Xcimer Energy is Hiring Experts in Fusion, Aerospace, Lithography, and High-Performance Computing

Education: Advanced degree in Engineering, Physics, Optical Engineering, Electrical Engineering, Mechanical Engineering, or a closely related technical field; MS or PhD preferred.
Experience: 10+ years of experience designing, developing, and delivering industrial laser systems.
Prior experience leading engineering teams, technical organizations, or major technical programs.
Strong understanding of laser system architectures, integration, and performance considerations.
Experience scaling laser systems from laboratory or R&D environments into industrial or production settings.
Strong communication, leadership, and cross-functional collaboration skills.
Ability to operate effectively within a rapidly evolving and fast-paced organization.
Demonstrated ability to balance hands-on technical leadership with strategic organizational oversight.
Ability to quickly learn and adapt to new laser technologies and system architectures.
Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.

Direct experience with pulsed gas laser systems.
Experience with large-scale or high-energy laser architectures.
Familiarity with high-power laser operations and industrial laser infrastructure.
Experience supporting manufacturing, integration, commissioning, or field deployment activities.
Experience working within fast-growth startup or scale-up engineering environments.

Build, lead, and grow the Nuclear Engineering Department, including hiring, onboarding, mentoring, and performance development of engineering staff.
Develop career paths and technical leadership pipelines for nuclear engineers while fostering a culture of technical rigor, collaboration, safety, and continuous improvement.
Establish, document, and maintain nuclear engineering standards, methods, and best practices across concept development, design, testing, and operations.
Define and maintain the nuclear design basis for Xcimer facilities and programs, ensuring assumptions, analyses, and requirements support performance, safety, and regulatory objectives.
Partner with Program Directors and Managers to ensure nuclear engineering activities are appropriately scoped, resourced, prioritized, and scheduled.
Identify nuclear engineering risks early and collaborate cross-functionally to develop and implement mitigation strategies.
Ensure disciplined execution of core nuclear engineering activities, including radiation transport and shielding analysis, activation analysis, source term definition, uncertainty analysis, and support for radiological safety and hazards analysis.
Collaborate closely with Systems Engineering, Facilities, Test, Operations, ES&H, and peer engineering departments to integrate nuclear engineering considerations into system architectures, facility designs, and operational procedures.
Define and execute a long-term roadmap for nuclear engineering capability growth, including external partnerships with national laboratories, academic institutions, and industry collaborators.
Represent Xcimer in technical forums and within the broader nuclear engineering community to build technical credibility and attract top-tier talent.

Experience within fusion energy, high-radiation facilities, or other advanced energy systems.
Experience collaborating with national laboratories, universities, or large multi-institution technical programs.
Experience establishing engineering standards and improving technical rigor across organizations.
Publication record or recognized technical leadership within the nuclear engineering community.

• Own electrical architecture and implementation for assigned subsystems, translating system and control requirements into safe, compliant electrical designs.
• Design and own signal distribution and protection schemes, including grounding, shielding, fault protection, and electrical safety considerations.
• Lead the design of control panels, cabinets, and electrical packaging, with a focus on robustness, serviceability, and scalability.
• Own cable and harness architecture, including interface definition, routing strategy, and documentation.
• Develop and maintain electrical‑focused P&IDs and interface diagrams describing power, signal, interlock, and utility interfaces.
• Use P&IDs as a cross‑disciplinary communication tool between Electrical, Controls, Mechanical, Safety, and Operations.
• Ensure consistency between P&IDs, schematics, wiring diagrams, harness drawings, and control I/O definitions.
• Produce complete, build‑ready electrical design packages, including P&IDs, schematics, wiring diagrams, harness drawings, ICDs, BOMs, and supporting documentation.
• Support design reviews, hazard analyses, safety reviews, system integration, commissioning, and bring‑up activities.
• Lead electrical failure analysis and root‑cause investigations, driving corrective actions and continuous improvement.
• Design electrical systems, panels, harnesses, and documentation in accordance with applicable internal and industry standards, including IPC/WHMA‑A‑620, IPC‑A‑610, IPC‑J‑STD‑001, UL 508A, NFPA 70/79, and ANSI/ISA‑5.1 for P&IDs.

• Education: Bachelor’s degree in Electrical Engineering or equivalent.
• Experience: 3+ Years of Experience in Electrical Engineering.
• Demonstrated experience owning electrical system design for complex hardware systems.
• Strong background in power distribution, protection, grounding, and electrical safety.
• Experience designing control panels, cabinets, and electrical packaging.
• Experience creating and maintaining electrical P&IDs, process diagrams, or electrical interface diagrams for complex systems.
• Familiarity with common offerings from large electrical distributors like Rockwell Automation, Siemens, and/or Beckhoff.
• Ability to produce clear, build‑ready electrical documentation.
• Familiarity with industry standards applicable to electrical systems, including cable and wire harness standards (IPC/WHMA‑A‑620), electrical panel standards (UL 508A, NFPA 70/79), and P&ID standards (ANSI/ISA‑5.1).
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.

• 5+ Years of Experience using P&IDs in safety reviews, commissioning, or operational documentation.
• Hands‑on experience with harness and cable design.
• Experience supporting system integration, commissioning, and failure analysis.
• Background working closely with controls, mechanical, and systems engineering teams.

• Develop and implement optimization routines for the adaptive optics control loop, and characterize their performance against measured data. 
• Design and implement algorithms for spatial beam shaping using phase plates and adaptive optics. 
• Align, calibrate, and operate adaptive optics hardware on a high-energy laser system, including deformable mirrors, wavefront sensors, and supporting diagnostics. 
• Build auto-alignment methods and routines to make beamline setup repeatable and fast. 
• Characterize the optical environment — aberration sources, thermal drift, vibration and jitter, beam path turbulence — and translate what you find into adaptive optics requirements. 
• Leverage and improve wave-optics propagation code to model the laser systems, in close collaboration with the Xcimer Theory and Computation team, and anchor those models against measurements so predictions can be trusted. 
• Contribute to wavefront error budgets and tolerance analyses spanning system to component level. 
• Collaborate closely with vendors to develop and drive the next generation of AO platforms for Xcimer’s needs, with a focus on deformable mirrors and wavefront sensors. 
• Work with control system engineers to integrate AO within the larger laser control system, helping define required controls, interlocks, and operator feedback/UI. 
• Write and maintain the test plans, alignment procedures, and calibration records that let others reproduce your results. 
• Maintain contamination-control discipline appropriate to deep-UV, high-fluence optics

• Education: B.S. in optical science/engineering, physics, or a related field. 
• Experience: 5+ years of optical science/engineering experience, including 3+ years directly related to adaptive optics systems. 
• Experience developing adaptive optics systems using wavefront sensors and deformable mirrors, including established optimization and reconstruction methods. 
• Experience with high-fidelity physical wave-optics propagation in the near and far field. 
• Experience with hands-on optical subsystem integration and alignment. 
• Experience working across multidisciplinary engineering fields including optical, opto-mechanical, software, and controls systems. 
• Working proficiency in at least one of MATLAB, Python, or C/C++/C# for modeling, analysis, and hardware control. 
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum. 

 

• M.S. or Ph.D. in optical engineering/science, physics, or a related field. 
• 5+ years of experience directly related to adaptive optics. 
• Depth in several of the following: turbulence characterization in beam paths; wavefront reconstruction and control law design; radiometry and imaging diagnostics; statistical and systems analysis; experimental work with high-energy laser systems. 
• Experience with high-energy optical systems operating in the deep UV, including laser-induced damage considerations and contamination control. 
• Experience designing adaptive optics coupled to beam pointing and jitter stabilization systems. 
• Experience defining and flowing down adaptive optics requirements from system to component level. 
• Familiarity with real-time control implementation — LabVIEW, embedded firmware, FPGA-based control, or low-latency computing architectures. 
• Familiarity with opto-mechanical practice: kinematic and flexure mounting, adhesive bonding, cleanroom assembly, and STOP (structural-thermal-optical performance) analysis. 

• Develop and lead execution of maintenance and operations of the fluids, vacuum, and cryogenic components of Phoenix to ensure they are reliably available and functional for scheduled experiments on time. 
• Develop the fluids, vacuum, and cryogenic operations schedule for experiments, maintenance, and system upgrades – working with the other leads, shot directors, and program managers. 
• Lead engineers and technicians to complete the needed work safely, correctly, and on time. 
• Lead post-experiment data reviews to confirm proper system function and determine if additional system work is needed ahead of the next experiments.  
• Troubleshooting anomalies in the superlasers’ fluids, vacuum, and cryogenic systems. 
• Develop operational infrastructure related to the fluids, vaccum, and cryogenic systems such as operating limits, operating procedures, preventative maintenance requirements, etc. 

• Bachelors degree in engineering (Bachelor of Science in Mechanical or Chemical Engineering) 
• 5+ years experience in technical operations, maintenance, and test of fluids, vacuum, and cryogenic systems 
• Experience leading teams to maintain and operate complex, high risk systems  
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum 
• Must be willing to work on a set 8 hour shift with set start and stop times.  Must also be willing to work over on non-shift hours during critical times. 

• Advanced degree in laser engineering (Bachelor of Science in Electrical Engineering with concentration in Laser Engineering or Bachelor’s degree in Photonics with a focus on laser systems, etc) 
• Working knowledge of control systems and mechanical/pneumatic equipment 

• Lead and directly manage a team of engineers and technicians: leading hiring, development, and performance management 
• Partner with program leads to deliver EI&C hardware and integrations that meet requirements and aggressive delivery targets 
• Lead the stand up of a new EI&C work center by leading input on manufacturing technique development and automation needs 
• Lead the EI&C team’s Design for Manufacturing input to engineering design teams 
• Partner with Electrical and Pulsed Power Engineering departments to integrate standards throughout the DFM process 
• Be the technical authority on integration standards for cabinets, panels, harnessing, and cabling 
• Drive standardization across EI&C assemblies 
• Implement part standardization, cataloging, and configuration management to reduce complexity and SKU proliferation. 
• Lead the team toward modular harness/cabinet architectures to reduce rework during design changes. 

[Electrical] 

• Experience providing Design for Manufacturing input to designers
• Experience standing up a new work center – setting tooling and automation requirements, defining team headcount and skillsets, defining work processes, etc. 
• Experience designing or implementing scalable EI&C manufacturing processes 
• Cable/harness production, panel/cabinet build, functional test stations, automated continuity/hi‑pot testing 
• Strong background in Lean Manufacturing and process standardization 
• Kanban, 5S, SMED, standard work, line balancing, PFMEA. 

Create 3D models, detail part drawings, assemblies, P&ID’s and interface control documents.
Design structures and pressure vessels, perform proof-tests to code standards.
Communicate and document design with mechanical, systems, laser and optical engineering and manufacturing team members.
Support procurement of the hardware for the prototype laser amplifiers and optical conditioning equipment.
Selection of sensors and instruments, work with controls team for integration
Oversee and assist assembly by a team of interdisciplinary technicians.
Support ongoing operation of the subject equipment and systems.
Continue above roles and responsibilities to participate in subsequent amplifier up-scaling leading to that which is needed for a power-producing IFE reactor.
Participate in concept studies supporting the use of these lasers in a power-producing IFE reactor, and other applications.
Contribute to authoring work instructions, test plans, specifications, and other documentation for the integration and operation of complex systems of systems
Provide manufacturing and production support and first-time engineering builds
Participate in design reviews and help to streamline engineering processes
Work with cross-functional teams that are responsible for selecting materials, manufacturing processes, and suppliers to produce world class hardware.
Plan, coordinate, conduct tests, and review test data
Maintain and report on activity schedule, budget and technical status
Identify opportunities for improvements and operational cost savings 

Education: B.S. in Mechanical, Nuclear, Aerospace Engineering, or related field.
Experience: 3-5 years in mechanical engineering, with a focus on industrial equipment design (preferred industries include semiconductor, solar, R+D, nuclear, fusion energy, lasers, defense).
Proficiency with 3D CAD software (NX preferred).
Working knowledge of Finite Element Analysis (FEA).
Experience getting design projects over the finish line, built, and qualified.
Strong problem-solving skills and a hands-on approach to troubleshooting and testing.
Interdisciplinary engineering experience is a plus.
Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum  

Develop and specify pulsed power generator components to meet pulsed power requirements.
Design equipment using NX CAD
Work with vendors for custom and OTS devices and instruments
Ensure functional integration of Marx and generator architecture and subsystems through analysis, documentation, and machine testing.
Mechanical design and documentation of generator parts, assemblies, lifting structures, oil plumbing and pumping, and structural supports using NX. 
Analyzing designs with FEA to map external influences on components and assemblies. 
Creating and maintaining interface control documents.
Lead design efforts for prototype systems and subsystems, including Preliminary and Final Designs.
Troubleshoot escalations and derive practical recommendations for improvements.
Collaborate with mechanical, laser, controls, pulsed power, and optical engineering teams throughout the design and development process.
Support procurement of hardware for laser amplifiers and support equipment.
Oversee and assist with assembly, shakedown, testing, and failure analysis of pulsed powersystems, laser amplifiers, and ancillary equipment.
Provide operational support for pulsed power systems and equipment.
Contribute to scaling designs for power-producing IFE reactors and participate in concept studies for IFE applications and beyond. 

Education: B.S. in Mechanical, Nuclear, Aerospace Engineering, or related field.
Experience: 3+ years in mechanical engineering, with a focus on high voltage pulsed powerdesign for complex hardware (preferred industries include semiconductor, solar, nuclear, fusion energy, lasers, aerospace, or defense).
Proficiency with 3D CAD software (NX preferred).
Working knowledge of Finite Element Analysis (FEA).
Experience designing simple PCBs or flex circuits.
Experience with complex integrated system design (e.g., pulsed power, lasers, high voltagesystems, fusion energy, aerospace, or defense).
Strong problem-solving skills and a hands-on approach to troubleshooting and testing.
Interdisciplinary engineering experience is a plus.
Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum  

Start-up experience preferred 
Electro-Static FEA analysis  

• Own the optical architecture and performance of laser beamlines and diagnostic systems, from first-principles system calculations through detailed design.  
• Build analysis of laser beamlines and diagnostics, including alignment design, tolerancing, and component specifications.  
• Set the optical performance requirements that drive mount design and lead the iteration with the opto-mechanical team to converge the mount requirements and system performance.  
• Work with optical physicists, electrical, and mechanical engineers to design active beam control systems including AO and tracking systems.  
• Source optical components including optical elements, coatings, cameras, active beam control, etc. Build and maintain strategic supplier relationships that support the program’s roadmap.  
• Lead integration, precision alignment, and test campaigns for laser and diagnostics systems, and establish or improve the methods and best practices the broader team uses to do this work.  

• Education: B.S. degree in optical engineering, or related field  
• Experience: 5+ years of optical engineering experience 
• Demonstrated ownership of an optical system or subsystem from concept through hardware, including setting requirements, driving sourcing and fabrication, and leading verification and validation. 
• Proficiency in commercially available optical design software (FRED & Zemax preferred) and computational tools (MATLAB or Python)  
• Proficiency in optical system tolerancing based on achievable fabrication limits, and statistical representations of optical system performance  
• Fluency in optical design using best practices and optimization methods using common imaging-based and beam quality metrics  
• Experience in optical system / subsystem integration and precision alignment techniques using common instrumentation such as theodolites, auto-collimators, laser trackers, etc  
• Experience in performing optical metrology including interferometric measurements of optical surfaces, surface scatter characterization, and part inspection  
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum.  

• Experience in the design of adaptive optics and tracking (beam pointing stabilization) systems  
• Experience in high fidelity physical wave optics propagation in the near and far fields  
• Experience in high energy optical systems working in the deep UV  

• Provide DFM/A (design for manufacturing/assembly) input to the product design team to eliminate or simplify processes and tooling.   
• Translate engineering intent, drawings, and configurations into fully functional hardware ready for test, qualification, and use.
• You will create, interpret, and modify work instructions and routings to convey procedures to technicians and trigger material planning, and fabrication processes.
• Driving continuous improvement of manufacturing process, you will also identify, develop, and deploy methods to improve quality, reduce cost, and optimize build sequences and schedules.
• Provide oversight and hands-on assistance during assembly by interdisciplinary technicians.
• Define and support repair and rework procedures as needed.  Disposition NCRs where delegated by the Responsible Engineer.
• Handle procurement activities for hardware, tools, and facility equipment.
• Maintain ongoing operation of the equipment and systems.
• Manage hardware configuration and maintain pedigree throughout the build and test phases.
• Validate assembly or operations safety procedures with the assistance of interdisciplinary engineers and safety personnel (HV, Oil Handling, Radiation Safety, etc)
• Coach and mentor more junior manufacturing engineers and technicians

• Bachelor of Science degree in Mechanical, Manufacturing, Industrial, or Aerospace Engineering or work equivalent.
• Possess 8+ years of direct manufacturing and manufacturing engineering experience within an R&D environment.
• Experience with Optical Engineering and familiarity with Laser Safety
• Develop clear manufacturing work instructions covering fabrication (additive, subtractive and material joining), assembly, testing, and integration processes.
• Demonstrate strong management skills in quality control, build sequence optimization, and schedule adherence throughout manufacturing.
• Conduct engineering drawing reviews and provide final approval for manufacturing.
• Proficient in root cause analysis and implementing corrective actions for non-conformances.
• Possess a solid understanding of mechanical design and manufacturing principles, including GD&T.
• Proficient in various software tools including CAD (Siemens NX), scheduling software, issue tracking systems, Microsoft Excel, Word, PowerPoint, and Outlook.
• Adept at learning new software and tools.
• Exhibit excellent verbal and written communication skills.
• Capable of supporting manufacturing floor activities, climbing stairs, working in confined spaces, and lifting and carrying up to 40 lbs.
• Individual must possess a high level of dexterity to manipulate optics and execute configuration changes without incident.
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum.

• Working with multi-functional teams on projects which may or may not be related to a Laser Technician’s normal scope of experience. 
• Assemble vacuum assemblies, operate pumps and pressure vessels 
• Ensure that documented Work Instructions & SOPs are followed and meet all quality requirements. 
• Adhere to cleanroom protocols and safety standards. 
• Assist with the implementation and maintenance of lean manufacturing and 5S activities. 
• Participate in Stand-up meetings and communicate any issues or blockers. 
• Participates in laser safety audits and related activities. 
• Embrace growth in their understanding of the daily operations and scientific foundations of the lasers systems and optical processes at Xcimer. 

 

• The ideal candidate has an associates or bachelors degree with 1-3 years of high average power or high intensity laser work or 3-5 years of laser alignment and experience.
• Experience with opto-mechanical assembly and laser alignment. 
• Must be cable of handling fragile optics and moving precisely. 
• Experience working in a cleanroom and adhering to strict safety standards. 
• Strong attention to detail and ability to work independently and as part of a team. 
• Ability to analyze plan and coordinate work activities. 
• Excellent communication and documentation skills. 
• Excellent time management, organizational skills, written and verbal communication skills. 
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum.

 

Requirements and Performance Modeling 

• Own adaptive optics and wavefront control requirements for the Directed Energy program, from the top-level irradiance and beam quality objectives down to component and interface specifications. 
• Build and maintain the end-to-end performance model: propagation through atmospheric turbulence and thermal blooming, wave-optics prediction of far-field irradiance, and a wavefront error budget resolved into fitting, temporal, measurement, calibration, and anisoplanatic terms. 
• Set the resulting requirements on deformable mirrors, wavefront sensors, reconstructors, and the real-time control loop, including bandwidth, latency, and disturbance rejection budgets, and review vendor and partner designs against them. 
• Lead trade studies and architecture decisions: correction topology, actuator count and stroke, sensing approach and wavelength, sampling and control rates, and where the system is limited by physics rather than by hardware. 
• Ensure designs meet performance, reliability, and operability requirements, and identify technical risks with mitigation plans in coordination with program management. 
• Translate lessons learned and key developments from Directed Energy beam control into beam control goals and requirements for Xcimer’s fusion program, and advise the fusion adaptive optics effort on architecture and component selection where the two programs share technology. 

 

Vendor and Partner Engagement 

• Act as a primary technical interface to our external program partners on adaptive optics and beam control. Negotiate interfaces and requirements, participate in joint design reviews, and carry a substantive share of a joint development effort. 
• Own the technical side of adaptive optics procurements and development subcontracts: statements of work, specification negotiation, vendor technical reviews, and acceptance criteria and testing. 
• Plan and defend the resources the adaptive optics scope needs: scope, schedule, staffing, and build-versus-buy calls, including where a commercial system suffices and where development is unavoidable. 
• Act as the primary technical interface for resolving performance, schedule, and integration issues with suppliers. 
• Communicate complex beam control trades clearly to audiences ranging from partner engineers to program leadership. 

 

Integration, Test, and Commissioning 

• Define the proof-of-concept and risk-reduction experiments that settle open questions, then direct optical engineers, laser scientists, and technicians to run them and interpret the results. 
• Define and review laboratory and in-situ test plans that validate performance and closed-loop operation, and approve the resulting test reports. 
• Provide guidance and best practices to other engineers in the assembly, integration, and test of beam control hardware within the beamline environment, including contamination-control discipline appropriate to deep-UV, high-fluence optics. 
• Work with control system engineers to integrate adaptive optics within the larger laser control system, helping define required controls, interlocks, and operator feedback. 
• Support commissioning activities and the transition to reliable, repeatable operations, including field or range testing where required. 

 

Technical Stewardship and Group Growth 

• Author and defend artifacts in Xcimer’s gated design review process, and serve as a reviewer on others’ packages. 
• Establish technical standards, documentation practices, and development workflows for the adaptive optics group. 
• Mentor engineers and scientists working on adaptive optics and wavefront control, across both the Directed Energy and fusion programs. 
• Participate in hiring and onboarding as the group grows. 
• Take on technology development that outlives any single program. 

 

• Experience on directed energy programs, including high-energy laser beam control, target tracking, or field test campaigns. 
• Experience delivering a custom adaptive optics system from concept through commissioning. 
• Familiarity with the pointing and tracking side of beam control (gimbals, fast steering mirrors, jitter and line-of-sight stability budgets) and how it hands off to wavefront correction. 
• Experience with beacon and reference-wave strategies, including target-return and illuminator-based sensing. 
• Familiarity with real-time software, FPGA-based control, or low-latency computing architectures. 
• Experience with predictive or optimal control, system identification, or reconstructor optimization applied to a real loop. 
• Experience with adaptive optics or wavefront correction on large-aperture, high-energy pulsed beamlines. 
• Experience with wavefront diagnostics beyond Shack-Hartmann sensing (interferometry, phase retrieval, curvature or pyramid sensing). 
• Experience with pulsed laser systems and the diagnostics used to characterize them. 
• Experience with high-energy optics in the deep UV, including laser-induced damage, coating specification, and contamination control. 
• Experience with opto-mechanical jitter analysis, vibration isolation, and STOP (structural-thermal-optical performance) analysis. 
• Prior experience on DoD or other government-funded programs, including proposal and review cycles. 
• Active or prior U.S. DoD personnel security clearance, or eligibility to obtain one. 
• Experience with intellectual property development, including invention disclosures and patents. 
• Experience mentoring engineers or leading technical teams, and building out a technical discipline within an organization. 
• Experience in multidisciplinary research laser facilities, such as national laboratories. 
• Experience in laboratory, field, and operational environments that demand high reliability and uptime. 
• Experience writing scientific papers or program technical reports. 

Requirements and Performance Modeling 

• Serve as technical lead for the adaptive optics system, from requirements definition through integration and commissioning. 
• Own adaptive optics and wavefront control requirements for the fusion beamlines, from top-level beam quality and energy-on-target objectives down to component and interface specifications. 
• Build and maintain the end-to-end performance model: wave-optics propagation through the beamline, prediction of far-field irradiance and focal-spot quality at target, and a wavefront error budget resolved into fitting, temporal, measurement, calibration, and non-common-path terms. 
• Own the disturbance model that drives it: beam path turbulence and gas density fluctuations, thermally induced aberration in amplifiers and transport optics, static figure error, opto-mechanical jitter, and pulse-to-pulse repeatability at operational repetition rate. 
• Set the resulting requirements on deformable mirrors, wavefront sensors, reconstructors, and the real-time control loop, including actuator count and stroke, bandwidth, latency, and disturbance rejection budgets, and review vendor designs against them. 
• Lead trade studies and architecture decisions: correction topology, sensing approach and wavelength, sampling and control rates, and where the system is limited by physics rather than by hardware. 
• Ensure designs meet performance, reliability, and operability requirements, and identify technical risks with mitigation plans in coordination with program management. 

 

Vendor Engagement and Procurement 

• Lead technical engagement with commercial and research vendors delivering adaptive optics components and subsystems. 
• Own the technical side of adaptive optics procurements and development subcontracts: statements of work, specification negotiation, vendor technical reviews, and acceptance criteria and testing, including deep-UV coating and damage-threshold requirements. 
• Plan and defend the resources the adaptive optics scope needs: scope, schedule, staffing, and build-versus-buy calls, including where a commercial system suffices and where development is unavoidable. 
• Oversee vendor design reviews, factory acceptance tests, and delivery milestones. 
• Act as the primary technical interface for resolving performance, schedule, and integration issues with suppliers. 

 

Integration, Test, and Commissioning 

• Define the proof-of-concept and risk-reduction experiments that settle open questions, then direct optical engineers, laser scientists, and technicians to run them and interpret the results. 
• Define and review laboratory and in-situ test plans that validate performance and closed-loop operation, and approve the resulting test reports. 
• Provide guidance and best practices to other engineers in the assembly, integration, and test of the adaptive optics system within the beamline environment, including contamination-control discipline appropriate to deep-UV, high-fluence optics. 
• Work closely with beamline, controls, and laser system teams to ensure clean system integration and well-defined interfaces. 
• Work with control system engineers to integrate adaptive optics within the larger laser control system, helping define required controls, interlocks, and operator feedback. 
• Support commissioning activities and the transition to reliable, repeatable operations. 

 

Technical Stewardship and Group Growth 

• Author and defend artifacts in Xcimer’s gated design review process, and serve as a reviewer on others’ packages. 
• Establish technical standards, documentation practices, and development workflows for the adaptive optics group. 
• Mentor and guide engineers and scientists working on adaptive optics and wavefront control. 
• Participate in hiring and onboarding as the group expands. 
• Take on technology development that outlives any single program. 

 

• Education: Advanced degree in optics, physics, electrical engineering, or a closely related field. 
• Experience: 8+ years of optical science/engineering experience, including 5+ years in adaptive optics, wavefront sensing and control, or closely related high-speed optical control systems. 
• A track record of delivering adaptive optics or beam control systems in industry, national labs, or observatories. 
• Demonstrated ownership of adaptive optics requirements and performance budgets on a real program, including the wavefront error budget and its allocation across subsystems. 
• Demonstrated use of a wave-optics propagation code for system performance prediction, including codes you wrote yourself, and the ability to state and defend what the model does and does not capture. 
• Hands-on working knowledge of deformable mirrors, wavefront sensors, and high-bandwidth feedback control, sufficient to specify them, review a vendor’s implementation, and judge whether a delivered system meets its requirements. 
• Ability to set and audit closed-loop control requirements: bandwidth, latency, sampling, reconstructor approach, and disturbance rejection. 
• Experience working directly with external vendors on custom optical and electro-optical systems, including specification negotiation and design reviews. 
• Experience directing the technical work of other engineers, scientists, or technicians through a substantial task. 
• Familiarity with high-energy or high-intensity laser systems and the constraints they place on optics, including damage threshold and thermal management. 
• Advanced verbal and written communication skills, including technical documentation, requirements definition, and presentation to internal and external audiences. 
• Willingness to travel to vendor facilities. 
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum. 

• Highly preferred: experience with directed energy or other high-power/high-intensity laser platforms. 
• Experience delivering a custom adaptive optics system from concept through commissioning. 
• Experience with high-energy optics in the deep UV, including laser-induced damage, coating specification, and contamination control. 
• Experience with adaptive optics or wavefront correction on large-aperture, high-energy pulsed beamlines. 
• Experience with pulsed laser systems and the diagnostics used to characterize them. 
• Experience with wavefront diagnostics beyond Shack-Hartmann sensing (interferometry, phase retrieval, curvature or pyramid sensing). 
• Experience with predictive or optimal control, system identification, or reconstructor optimization applied to a real loop. 
• Familiarity with real-time software, FPGA-based control, or low-latency computing architectures. 
• Experience with beam pointing and jitter control, including opto-mechanical jitter analysis and vibration isolation. 
• Familiarity with STOP (structural-thermal-optical performance) analysis and its use in setting opto-mechanical requirements. 
• Experience with turbulence characterization in enclosed beam paths. 
• Experience mentoring engineers or leading technical teams, and building out a technical discipline within an organization. 
• Experience in multidisciplinary research laser facilities, such as national laboratories. 
• Experience in laboratory and operational environments that demand high reliability and uptime. 
• Experience writing scientific papers or program technical reports. 

 

• Education: Bachelor’s degree in engineering, physics, systems engineering, or equivalent; advanced degree preferred. 
• Experience: 12+ years of experience in large, complex technical programs involving:
  • Industrial automation or plant-wide control systems
  • Nuclear, fusion, or high-energy physics environments
  • Safety-critical or high-reliability systems
  • Precision timing or data acquisition systems
  • Demonstrated experience in program management or systems leadership roles coordinating multi-disciplinary technical teams.
  • Strong understanding of system integration, interface control, requirements flow down, and cross-functional technical decision-making.
  • Experience in fusion, nuclear energy, pulsed-power facilities, or industrial control systems at scale.
  • Experience in distributed control systems, historians, and SCADA systems and architectures
  • Electrical power management systems.
  • Ability to lead and influence without direct people management authority.
  • Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum.

• Familiarity with systems engineering frameworks, ICD management, and V&V planning.
• Experience with ML and predictive maintenance based on data and system telemetry.
• Experience developing and building data repositories and distributed data access
• Exposure to cybersecurity practices for industrial/scientific systems.
• Experience in matrixed R&D environments with complex hardware-software integration.

Oversee and accountable for the design, planning, and execution strategy of a large-scale, hundred million to billion-dollar class program, ensuring alignment with organizational objectives.
Provide day-to-day leadership to matrixed engineering, science, and operations teams, maintaining technical integrity and quality standards.
Lead fusion system architecture, including the chamber, blanket, and supporting systems from conceptualization and requirement definition to delivery and plant integration.
Direct procurement activities and vendor management for long-lead, critical-path fusion system components.
Manage the transition from conceptual design to detailed design, fabrication, construction, assembly, and commissioning.
Partner with safety, licensing, and regulatory teams to ensure compliance with applicable nuclear, environmental, and industrial safety frameworks.
Manage project budgets, resource allocation, and schedules, implementing proactive risk mitigation and reporting on performance metrics.
Collaborate with senior leadership and stakeholders, communicating program status,
risks, and opportunities for continuous improvement.

• Education: BS in physics, nuclear engineering, mechanical engineering, electrical engineering or related technical field.
• Experience: 10+ years leading large, complex programs (billion-dollar scale preferred) within a nuclear and engineering-intensive environment (nuclear energy, fusion facilities, particle accelerators, space and defense, etc.)
• Proven track record of guiding large-scale technical teams through all phases of technical program delivery.
• Experience maturing TRLs from concept through prototype.
• Familiarity with power extraction systems in the context of power plant engineering and design.
• Familiarity with safety basis development and nuclear safety design and construction frameworks.
• Exceptional communication and stakeholder management skills, with the ability to influence at all levels of the organization.
• Demonstrated proficiency in one or more core engineering disciplines, such as Nuclear, Aerospace, Power or Mechanical.
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.

• Advanced degree (Master’s or Ph.D.) in a relevant engineering field.
• Experience with design and construction of one of a kind prototype systems in a nuclear environment.
• Familiarity with regulatory and compliance frameworks for high-value engineering projects and with NRC regulations.

Work with pulsed power design engineers to generate models of systems and components
Work with a multidisciplinary team to create, optimize and validate models of complex physical processes and phenomena.
Aid in the design of experiments for validation of models against real-world data
Work with design engineers to enhance the workflow from concept to final print based upon optimizations in simulation. 

Education: B.S. or M.S.in Mechanical or Electrical Engineering
Experience: 2+ years of experience with field solver/particle-in-cell/circuit simulation codes  
Strong communication skills across disciplines and departments
Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum 

Proficiency in COMSOL, CST and/or LT-SPICE
Proficiency in solid-modeling software, e.g. SolidWorks or NX
Strong knowledge of electromagnetic field principles
Mechanical design skills – knowledge of GD&T principles a plus
Proficiency with Python and/or MATLAB. Experience with VBA and Java a plus 

• Safely operate, maintain, troubleshoot, and improve high-voltage, high-current pulsed-power systems and experimental hardware. 
• Perform electrical diagnostics using oscilloscopes, probes, meters, and other test equipment to evaluate system performance and identify faults. 
• Analyze transient waveforms and test data to identify abnormal behavior, equipment degradation, and potential root causes. 
• Inspect, test, install, and replace electrical components including capacitors, resistors, inductors, switches, cables, connectors, and other high-voltage hardware. 
• Support preventive and corrective maintenance, component refurbishment, system commissioning, and equipment readiness activities. 
• Prepare systems for testing and support pre-shot, post-shot, and troubleshooting activities during experimental campaigns. 
• Read and interpret schematics, drawings, procedures, component datasheets, and technical documentation. 
• Develop and maintain operational procedures, checklists, test documentation, and equipment records. 
• Work closely with engineers, technicians, scientists, and subject matter experts to resolve technical issues and improve system reliability. 
• Participate in root-cause investigations, failure analysis, and continuous improvement efforts focused on safety, reliability, repeatability, and operational efficiency. 
• Maintain accurate records of system performance, maintenance activities, failures, and lessons learned. 
• Develop technical expertise in pulsed-power systems, high-voltage engineering, transient diagnostics, and laboratory operations. 
• Train and qualify as a Pulsed Power Controller for the Phoenix Laser System 
• Serve as a Pulsed Power Controller, executing procedures and working in support of the Shot Director, during laser experiment operations  
• Develop procedures and other shot operations infrastructure for the Phoenix pulsed power system 
• Perform hands-on integration and maintenance work with the Phoenix team during maintenance and upgrade windows 

• Masters or Bachelors degree in Electrical Engineering 
• Preferred: coursework and/or lab work in pulsed power applications 
• Preferred: 2+ years of experience in pulsed power or other high voltage test operations 
• Entry-level engineers and candidates with strong laboratory, test, or hands-on engineering experience are encouraged to apply. 
• Experience working on and operating complex, high risk systems. 
• Strong understanding of electrical circuit fundamentals, including Ohm’s Law, Kirchhoff’s Laws, voltage/current relationships, impedance, power, and energy. 
• Demonstrated ability to perform DC and AC circuit analysis and analyze series/parallel networks. 
• Understanding of first- and second-order electrical circuits, including RC, RL, and RLC circuits and their transient response. 
• Ability to understand and apply the fundamentals of energy storage and energy transfer in capacitors, inductors, and other energy-storage systems. 
• Highly proficient with oscilloscopes and electrical test equipment, including the ability to properly configure measurements, select appropriate probes, understand bandwidth and sampling considerations, identify measurement artifacts, and interpret waveforms. 
• Ability to read and interpret electrical schematics, wiring diagrams, circuit diagrams, and engineering drawings. 
• Ability to identify common electrical components, including resistors, capacitors, inductors, diodes, switches, relays, transformers, connectors, and high-voltage components, and understand their basic functions. 
• Ability to read and interpret component datasheets and technical specifications, including voltage, current, power, capacitance, inductance, tolerance, insulation ratings, temperature ratings, and other relevant operating limits. 
• Demonstrated ability to troubleshoot electrical systems using a systematic, data-driven approach, including identifying abnormal component behavior and determining likely root causes. 
• Ability to recognize common indicators of failed, degraded, or improperly operating electrical components through visual inspection, electrical measurements, waveform analysis, and comparison against expected performance. 
• Understanding of basic electrical safety and high-voltage laboratory practices, including appropriate use of PPE, grounding, discharge procedures, interlocks, and safe work practices around stored electrical energy. 
• Ability to work effectively with engineers, technicians, scientists, and other laboratory personnel in a hands-on test environment. 
• Strong technical communication skills, including the ability to document test results, anomalies, troubleshooting activities, and equipment status clearly and accurately. 
• Ability to work in a fast-paced laboratory environment where equipment configuration, test conditions, and priorities may change rapidly. 
• Must be willing to work on a set 8-hour shift with set start and stop times.  Must also be willing to work over on non-shift hours during critical times. 
• Ability to follow optical layouts and drawings and translate them into physical setups. 
• Basic mobility - (ability to stand for extended periods, ability to lift up to 50 pounds, etc.) 
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum.

Optimize beam efficiency and energy deposition on target
Lead design, fabrication, and testing of cathode systems across multiple emitter technologies (explosive emission, thermionic, photocathodes)
Design and optimize hibachi foil/anode grid structures for beam transport efficiency
Lead experimental campaigns end-to-end
Develop and validate cathode and beam transport models (analytical, PIC, SPICE) to guide design decisions; roughly equal balance of modeling and experimental work
Operate and maintain UHV vacuum systems (target < 10^-9 Torr) including bakeout, leak checking, and pumping systems
Survey prior art on emitter technologies, beam transport, and cathode physics
Own experimental program documentation: test reports, design records, operating procedures, and data management
Manage hardware procurement, BOM tracking, and vendor relationships for cathode subsystems
Interface with potential commercial emitter suppliers on procurement, packaging, and quality
Support integration of cathode systems into larger diode and laser architectures

• Education: PhD in physics, electrical engineering, or closely related field (MS with exceptional relevant experience considered)
• Deep expertise in beam diagnostics (Faraday cups, beam imaging, energy analysis, calorimetry)
• Hands-on experience with vacuum electronics and electron-beam generation
• Able to independently design experiments, interpret results, and write up findings clearly
• Experience building and commissioning complex experimental systems end-to-end (mechanical, electrical, vacuum, controls)
• Familiarity with high-voltage pulsed power systems (100 kV+)
• Proficiency with lab instrumentation (SMUs, oscilloscopes, HV power supplies)
• Comfortable working across mechanical, electrical, and physics domains in a small team
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.

Direct experience with explosive emission, or cold cathode technologies
Familiarity with semiconductor fabrication processes    
Experience with PIC or beam optics simulation codes (e.g., Chicago, CST, COMSOL)
Background in beam transport optimization
Track record of thorough technical documentation and hardware program management (procurement, scheduling, vendor coordination)
Background in excimer laser or inertial fusion energy systems

Perform comprehensive non-sequential ray tracing (primarily using FRED software) to analyze stray light, ghost reflections, scattering, and diffraction in high-energy DUV laser systems.
Identify and mitigate high-fluence "hot spots" and fringing effects to prevent optical damage and ensure system longevity.
Implement and evaluate mechanical feature models (such as baffles, apertures, and beam dumps) within non-sequential environments to actively mitigate stray light.
Write and maintain custom scripts (e.g., Python, MATLAB, or FRED script) to automate ray trace simulations, process large datasets, interface to other analysis tools and quantify system-level signal degradation.
Collaborate cross-functionally with sequential optical designers to optimize system layouts for stray light performance.
Work closely with opto-mechanical engineers to design and validate physical stray light mitigation hardware.
Partner with material scientists to evaluate Bidirectional Scattering Distribution Functions (BSDF/BRDF), surface roughness, and specialized UV-resilient absorptive coatings/materials.
Collaborate with Optical Systems Engineers to ensure stray light requirements are defined, met, and verified at the system level for ICF applications. 

• Education: B.S. or M.S. degree in Optical Engineering, Physics, or a closely related field.
• Experience: 5+ years of dedicated experience in stray light analysis and non-sequential optomechanical modeling.
• Expert-level proficiency in non-sequential optical design software, with a strong preference for FRED.
• Demonstrated experience writing scripts to automate optical analysis and process ray trace data.
• Strong understanding of stray light mitigation techniques, including the implementation of mechanical features (baffles, beam dumps) in optical models.
• Solid foundation in physical optics, scattering (BSDF/BRDF), and diffraction.
• Proven ability to work in a cross-collaborative environment with multi-disciplinary engineering teams.
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.
  
  

Ph.D. in Optical Engineering, Physics, or related field.
8+ years of experience in stray light analysis for high-energy laser systems or deep UV (DUV) applications.
Experience with Laser Induced Damage Thresholds (LIDT) and material fluorescence in the DUV regime.
Specific experience working on laser systems for Inertial Confinement Fusion (ICF) or similar high-fluence beam delivery systems.
Familiarity with stray light measurement instrumentation (e.g., scatterometers) to correlate empirical data with simulation models.
Experience importing and managing complex CAD geometry within FRED or other non-sequential optical simulation environments. 

• Develop mounting and support methodologies for large (meter-class), segmented, and lightweight mirrors used in deep-UV, high-energy laser beam transport, including kinematic definition, axial and lateral support schemes, and multi-degree-of-freedom adjustment.
• Architect and design the trusses, weldments, optical benches, and precision adjustment mechanisms that hold those mirrors, optimizing stiffness-to-mass, thermal stability, and resistance to facility-borne vibration.
• Perform structural-thermal-optical performance (STOP) analysis: static, modal, random-vibration, and thermal FEA mapped to optical surface deformation and pointing error, and correlate the models to measured data.
• Define vibration isolation and damping strategies, quantify resonant modes and harmonics against PSD-defined base and impulse sources, and lead modal testing with accelerometers to validate designs.
• Select and specify materials for athermal, dimensionally stable structures (low-CTE metals and ceramics, composites) and define bond-pad and stress-limited mounting approaches for coated DUV substrates.
• Design and validate large-optic handling, lifting, installation, and removal fixtures and procedures with contamination control and personnel safety as first-order requirements.
• Support metrology of mounted optics (interferometry, surface figure, alignment references) and use the results to accept or iterate mount and structure designs.
• Create and maintain interface control documents between optical mounts, supporting structures, facility interfaces, and adjacent subsystems; integrate designs into the large-scale NX assembly of the facility.
• Produce detailed models, GD&T drawings per ASME Y14.5, and technical data packages; release and control drawings through engineering change.
• Specify materials and finishes, manage technical data transfer to machining and fabrication suppliers, and inspect and qualify hardware on receipt.
• Develop and execute assembly, alignment, and test plans in collaboration with manufacturing engineers; assemble prototype hardware and support integration and troubleshooting in the cleanroom and lab.
• Present work at design reviews to optical, controls, manufacturing and science stakeholders; document analyses, decisions, and lessons learned.
• Mentor other mechanical engineers on precision design, analysis, and opto-mechanical integration.

• Education: B.S. in Mechanical Engineering, Optical Engineering, or a related field.
• Experience: 10+ years of opto-mechanical engineering experience, including full lifecycle ownership (concept, analysis, procurement, assembly, test) of precision optical hardware.
• Demonstrated experience designing mounts and support structures for large optics (meter-class apertures), including truss or weldment structures for support and adjustment.
• Experience designing and characterizing optical mounts in the presence of PSD-defined base and external vibration, including quantifying resonant modes and harmonics and correlating FEA to modal test data.
• Working knowledge of athermal design: CTE matching, thermal gradient and soak effects on figure and alignment, and low-expansion material selection.
• Understanding of gravity-induced sag and print-through and the mount strategies used to control them.
• Strong FEA skills (static, modal, random vibration, thermal) in standard tools such as Ansys, Abaqus, or Nastran, and the ability to fit and decompose deformed optical surfaces (e.g., Zernike or rigid-body fits) into figure and pointing errors.
• Experience implementing alignment references and integrating optical subsystems containing flat, powered, and off-axis mirrors.
• Ability to build tolerance stack-ups for optical sensitivity analysis and a clear understanding of how mechanical tolerances translate into optical tolerances.
• Fluency in 3D CAD (NX preferred; SolidWorks or Creo acceptable) and in creating drawings using GD&T per ASME Y14.5.
• Practical knowledge of machining, welding, and fabrication processes and design for manufacturability for large precision structures.
• Experience creating and maintaining interface control documents.
• Comfort working in cleanroom, high-vacuum, and high-voltage environments.
• Strong written and verbal communication and a track record of clear technical documentation.

• M.S. or Ph.D. in Mechanical Engineering, Optical Engineering, or a related field.
• Experience with segmented mirror arrays or large-format mirrors greater than 1 m, including multi-DOF mounts and array-level alignment.
• Design, fabrication, or optimization of lightweight mirror substrates.
• Active mount pointing and alignment recovery, including slow and fast steering mirrors.
• Experience with high-energy laser systems, particularly in the deep UV, and with laser-induced damage considerations for coated optics.
• Hands-on experience with optical fabrication and assembly techniques, including adhesive bonding of optics.
• Experience with vibration isolation systems and facility or slab dynamic characterization.
• Background in large telescope, lithography, or high-energy laser facility opto-mechanics.

Internal Developer Platform

Build and own the internal developer platform as a product, so researchers and engineers can provision what they need and start work quickly.

Design and build the services behind data analysis pipelines, the data warehouse, dashboards, research code environments, and the web apps that expose HPC simulation to non-specialists.

Extend Open OnDemand and related portals, and build what's missing where off-the-shelf tools fall short.

Own AI developer tooling, its budget, and provisioning workflows.

Set and maintain standards that give engineers autonomy while keeping the platform coherent and governable.

Systems & Software Engineering

Architect and write platform services, control planes, APIs, and data-pipeline frameworks.

Build reusable components and set software standards that match the needs of active R&D projects.

Translate requirements from Physics, Engineering, and Controls teams into systems that scale and stay maintainable.

Treat reliability, observability, and cost as design requirements.

HPC & Infrastructure

Provide the platform layer over HPC clusters, job scheduling, and distributed filesystems so researchers can run simulation and analysis themselves.

Build and maintain secure cloud infrastructure (AWS/GCP/Azure), managed as infrastructure-as-code.

Build observability, alerting, and incident-response systems across on-prem and cloud resources.

Manage cloud costs proactively through architecture choices, reserved capacity, and observability.

Lead migrations, upgrades, and modernization with minimal disruption to active experiments.

Documentation & Mentorship

Write clear documentation, runbooks, and operational procedures so others can operate and extend the platform.

Mentor junior platform engineers and the cross-functional engineers who build on the platform.

Set technical direction for infrastructure as code, observability, and system resilience.

Education: Bachelor's degree in Computer Science, Engineering, Physics, Applied Mathematics, or related field; advanced degree preferred.
Experience: 7+ years of experience in platform, infrastructure, or software engineering, including building internal tools or platforms used by other engineers.
Strong software engineering fundamentals. Proficiency in Python, Rust, and/or C++.
Experience building internal platforms or tooling that measurably improved team productivity.
Hands-on experience with Linux and infrastructure automation (Ansible, Terraform, or equivalent).
Experience with cloud infrastructure (AWS/GCP/Azure). Familiarity with HPC clusters and job scheduling is a plus.
A track record of designing systems for reliability, observability, and scale.
Experience with containerization and orchestration (Kubernetes, Docker, or similar).
Experience mentoring engineers and leading cross-functional projects.
Clear communication, including explaining technical tradeoffs to non-technical colleagues.
Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum

Experience building data platforms, data warehouses, or analytics and dashboard infrastructure.
Prior experience in scientific computing or research environments.
Familiarity with Open OnDemand or similar research computing portals.
Experience with secure enclave architectures, identity management (OIDC, LDAP), or export-controlled data.
Domain background in manufacturing, experimental physics, or fusion energy. We don't require it — strong generalists ramp quickly here — but a head start is welcome.
Experience managing and optimizing cloud infrastructure.

Optimize beam efficiency and energy deposition on target
Lead design, fabrication, and testing of cathode systems across multiple emitter technologies (explosive emission, thermionic, photocathodes)
Design and optimize hibachi foil/anode grid structures for beam transport efficiency
Lead experimental campaigns end-to-end
Develop and validate cathode and beam transport models (analytical, PIC, SPICE) to guide design decisions; roughly equal balance of modeling and experimental work
Operate and maintain UHV vacuum systems (target < 10^-9 Torr) including bakeout, leak checking, and pumping systems
Survey prior art on emitter technologies, beam transport, and cathode physics
Own experimental program documentation: test reports, design records, operating procedures, and data management
Manage hardware procurement, BOM tracking, and vendor relationships for cathode subsystems
Interface with potential commercial emitter suppliers on procurement, packaging, and quality
Support integration of cathode systems into larger diode and laser architectures

• Education: PhD in physics, electrical engineering, or closely related field (MS with exceptional relevant experience considered)
• Experience: 5+ years of industry experience 
• Deep expertise in beam diagnostics (Faraday cups, beam imaging, energy analysis, calorimetry)
• Hands-on experience with vacuum electronics and electron-beam generation
• Able to independently design experiments, interpret results, and write up findings clearly
• Experience building and commissioning complex experimental systems end-to-end (mechanical, electrical, vacuum, controls)
• Familiarity with high-voltage pulsed power systems (100 kV+)
• Proficiency with lab instrumentation (SMUs, oscilloscopes, HV power supplies)
• Comfortable working across mechanical, electrical, and physics domains in a small team
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.

Direct experience with explosive emission, or cold cathode technologies
Familiarity with semiconductor fabrication processes    
Experience with PIC or beam optics simulation codes (e.g., Chicago, CST, COMSOL)
Background in beam transport optimization
Track record of thorough technical documentation and hardware program management (procurement, scheduling, vendor coordination)
Background in excimer laser or inertial fusion energy systems

Education: Bachelor's degree in Computer Science, Engineering, Physics, Applied Mathematics, or related field; advanced degree preferred.
Experience: 7+ years of professional software development experience in technical, data-intensive, or research-driven environments.
Expert-level Python skills and strong experience with numerical and data libraries (NumPy, SciPy, Pandas, Matplotlib, Scikit-Learn).
Demonstrated ability to design and own complex software systems under ambiguous or evolving requirements.
Experience collaborating closely with non-software domain experts and supporting experimental or simulation workflows.
Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.

Experience working with 3D geometry or CAD data (STEP, IGES, STL, BREP) and related libraries (OpenCASCADE, VTK, PyVista).
Familiarity with structured scientific data formats (HDF5, NetCDF, VTK, custom binary formats).
Experience interfacing Python with C/C++ or Fortran (pybind11, Cython, f2py, nanobind).
Strong background in parallel, GPU, or distributed computing (MPI, CUDA, OpenACC).
Experience with machine learning systems in production environments.
Background supporting real-time systems, feedback loops, or adaptive control applications.
Experience with containerization and orchestration (Docker, Apptainer, Kubernetes) as well as HPC environments and job schedulers (SLURM).

Lead thermal and CFD analyses for cooling systems, gas‑flow pathways, and fusion chamber components.
Build and maintain transient and steady‑state thermo‑fluid models including conduction, convection, radiation, turbulent flow, and compressible gas dynamics.
Validate CFD and thermal models using analytical techniques, experimental data, and multi‑physics correlations.
Produce clear, accurate, and traceable analysis documentation for design reviews, architecture trades, and test readiness.
Conduct peer reviews of thermal/CFD analyses from other analysts; maintain best practices for modeling, assumptions, margins, and documentation.
Collaborate with analysts and design engineering teams to ensure thermal results are fully integrated into component and system designs.
Support prototype builds and test operations by diagnosing thermally‑related issues, supporting root‑cause investigations, and recommending corrective actions.
Contribute to the development of internal thermal/CFD workflows, correlation standards, and analysis verification/validation processes.

Education: B.S. in Mechanical Engineering, Aerospace Engineering, Nuclear Engineering, or related field.
Experience: 8+ years of thermal‑fluid, CFD, or heat‑transfer analysis experience supporting engineered hardware (Energy, Aerospace, Laser Systems, HVAC.).
Expert proficiency with commercial CFD tools (e.g., STAR‑CCM+, Ansys Fluent) and experience with CFD verification/validation.
Demonstrated experience with turbulent flow modeling, compressible and incompressible fluids, convection and radiation heat transfer, and cooling system design.
Strong fundamentals in classical heat transfer and thermo‑fluids, including hand calculations and closed‑form thermal analysis methods.
Demonstrated experience supporting hardware test campaigns, thermal instrumentation, flow diagnostics, and correlating models with experimental data.
Must be a U.S. citizen or national, U.S. permanent resident (Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.

M.S. or advanced degree in Mechanical Engineering, Aerospace Engineering, Nuclear Engineering, or related field.
Hardware selection and/or design experience: fans, pumps, heat exchangers, piping, and other supporting equipment.
Experience developing multi‑physics simulation environments involving thermal, flow, mechanical stress using simulation tools (SimCenter, COMSOL, Abaqus, etc.).
Experience with high‑temperature systems, transient pulsed heat deposition, gas lasers, or fusion‑related thermal environments.
Familiarity with engineering materials, manufacturing processes, cooling strategies, and how they affect thermal performance and reliability.
Familiarity with scripting languages (Python, MATLAB, VBA) for automating workflows and post‑processing results.
CAD/PLM experience (NX, Teamcenter).

Technical leadership over the Power Electronics & EMI/EMC sub-department within Pulsed Power Engineering
Functional management over individuals within the Power Electronics & EMI/EMC sub-department within Pulsed Power Engineering
Development of a technology roadmap for power electronics at Xcimer. Including high-voltage power supplies, DC-DC converters, and EMI/EMC compliant PCB design.
Development of standards, specifications, requirements and best-practices for power electronics and EMI/EMC for Xcimer.

Education: M.S.E.E. or greater
Experience: >10 years
Project management, functional management, experience with EMI/EMC specifications/standards/design, expert knowledge of power supply design, PCB layout and EMI/EMC compliant design.
Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum

LTSPice or similar circuit modeling software
Experience with electromagnetic modelling via Ansys, COMSOL, CST, or equivalent software
Knowledge of electromagnetic fields, as well as their associated interactions and diagnostics
Python or MatLAB programming skills
Experience with project management software such as Jira, Microsoft Projects, etc…
Experience interpreting and implementing EMI/EMC commercial or military standards (e.g. IEC 61000-4, MIL-STD-461 etc…)

Develop and specify pump-down and vent procedures to meet vacuum system flow requirements.
Perform analyses and calculations to predict and optimize flow architecture functionality, including pressure drop, flow budgeting, humidification, and gas purity.
Design equipment using NX CAD
Work with vendors for custom and OTS devices and instruments.
Select instruments for gas analysis such as RGAs and FTIR
Work with the controls team on device integration.
Ensure functional integration of vacuum architectures and subsystems through analysis, documentation, and machine testing.
Manage pressure and vacuum vessel certifications, proof-tests, and compliance with code standards.
Lead design efforts for prototype systems and subsystems, including Preliminary and Final Designs.
Troubleshoot escalations and derive practical recommendations for improvements.
Collaborate with mechanical, laser, pulsed power, and optical engineering teams throughout the design and development process.
Support procurement of vacuum-related hardware for laser amplifiers and optical conditioning equipment.
Oversee and assist with assembly, shakedown, and testing of vacuum systems on laser amplifiers and ancillary equipment.
Provide operational support for vacuum systems and equipment.
Contribute to scaling designs for power-producing IFE reactors and participate in concept studies for IFE applications and beyond. 

Education: B.S. in Mechanical, Nuclear, Aerospace Engineering, or related field.
Experience: 3+ years in mechanical engineering, with a focus on vacuum system design for complex hardware (preferred industries include semiconductor, solar, R+D, nuclear, fusion energy, lasers, defense).
Proficiency with 3D CAD software (NX preferred).
Working knowledge of high purity gas delivery components and standard equipment.
Working knowledge of Finite Element Analysis (FEA).
Experience with complex integrated system design (e.g., plasma source, gas delivery, pulsed power, lasers, opto-mechanical systems).
Strong problem-solving skills and a hands-on approach to troubleshooting and testing.
Interdisciplinary engineering experience is a plus.
Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum  

• Serve as the implementation arm for newly approved operational processes: write clear, usable process documentation, design and run the training and rollout plan, and own the post-implementation adoption review. 
• Own operational projects end-to-end — from problem definition through solutioning and implementation to a clean transition of ownership — coordinating finance, procurement, IT, facilities, and HR to deliver company-wide operational projects that don't sit cleanly inside a single engineering program. 
• Own headcount planning and demand/supply forecasting for business-operations functions, building the tooling and processes that support efficient resource allocation as Xcimer scales. 
• Define and evolve Xcimer's operational knowledge-management and information architecture (e.g., Confluence or similar), driving adoption and content hygiene across departments. 
• Maintain a prioritized backlog of identified-but-unresourced operational process gaps across the company and recommend sequencing and resourcing to close them. 
• Partner with other departments to map end-to-end business data workflows (e.g., Teamcenter, Boltline, ERP) and drive resolution of cross-team data and process gaps. 
• Work with the Chief of Staff to translate decisions and action items from executive offsites and business reviews into resourced initiatives with clear owners, timelines, and follow-through. 
• Identify, evaluate, and help mitigate operational risks and single points of failure across business operations functions. 
• Partner with Finance to build and maintain the program-level economic models that connect technical and schedule decisions to long-run plant economics, capital requirements, and investment tradeoffs — feeding the assumptions Finance uses in its capital-markets and fundraising models — to support program prioritization and make/buy decisions. 
• Partner with the Head of PMO to represent business-operations capacity and constraints (finance, procurement, IT, facilities, data systems) in program planning, ensuring program schedules are built against realistic support-function resourcing. 
• Project-manage across large, cross-functional stakeholder groups: lead working sessions, wrangle multiple threads at once, and report progress up to executive stakeholders without dropping the ball. 
• Prepare analysis and materials to support budget reviews, board updates, and investor reporting as requested by the COO. 

• Bachelor's degree in business, engineering, operations, or a related field; MBA or equivalent experience a plus. 
• 5+ years of experience in strategy, business operations, program management, or management consulting, ideally supporting a hardware, deep-tech, or complex engineering organization. 
• Demonstrated experience designing and rolling out operational processes end-to-end — including training and post-implementation follow-through — in a fast-growing or resource-constrained organization. 
• Demonstrated experience with headcount planning, demand/supply forecasting, or workforce modeling in a scaling organization. 
• Experience supporting facilities or space planning, ideally across multiple sites. 
• Strong analytical and financial modeling skills, with comfort building quantitative models that connect technical or program decisions to business and economic outcomes. 
• High ownership and low ego, with a bias toward proactively stepping into ambiguous, cross-functional problems rather than waiting to be assigned one. 
• Excellent written and verbal communication skills, with the ability to work effectively — and lead meetings — across engineering, finance, procurement, IT, and executive stakeholders. 
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum 

• Experience in fusion, aerospace, defense, or other capital-intensive hardware development environments. 
• Familiarity with PLM/ERP and business data systems (e.g., Teamcenter, Boltline, or similar) and the challenges of integrating data across them. 
• Experience administering or architecting Confluence or a similar knowledge-management platform at scale. 
• Experience with BI/analytics platforms such as Looker, Tableau, or similar. 
• Experience establishing or scaling a PMO, or working closely alongside one, in a matrixed engineering organization. 
• Project Management Professional (PMP) or similar certification.

• Regulatory strategy: Develop, own and execute Xcimer’s licensing and permitting strategy for current and future facilities, including pathway selection across the U.S. Nuclear Regulatory Commission (NRC) byproduct-material framework and Agreement State programs, jointly with Engineering leadership. 
• Agency relationships: Serve as Xcimer’s primary point of contact with the NRC, Agreement State radiation control offices, federal and state environmental agencies, and local permitting and building authorities; lead pre-application meetings and ongoing regulator engagement. 
• Application program management: Plan, schedule, budget, and manage license and permit applications from pre-application through approval: define submittal content and structure, assign contributors, integrate technical inputs from Engineering, control document versions, and coordinate responses to requests for additional information (RAIs). 
• Permit inventory and calendar: Own the enterprise inventory of required licenses and permits (radioactive materials, environmental, air, water, land use, building, and others) with lead times, dependencies, and renewal dates, and integrate it into facility and program schedules. 
• Site and environmental permitting: Lead non-technical environmental review and site permitting activities, including National Environmental Policy Act (NEPA) processes where federal funding or action applies, and air, water, land-use, and zoning approvals, working with Capital Projects/Facilities and outside consultants. 
• Compliance obligations system: Build and run the register of regulatory commitments and license conditions; assign owners, track closure, and provide leadership with a clear view of status and risk. 
• Inspections, reporting, and records: Coordinate agency inspections and audits, required notifications and periodic reports, and the regulatory records system; manage correspondence and ensure submittals are traceable and retrievable. 
• License administration: Once licensed, administer licenses (amendments, renewals, fees, and conditions) in partnership with the Radiation Safety Officer and EH&S. 
• Regulatory intelligence: Monitor federal and state rulemaking and guidance affecting fusion and laser facilities, assess impact, and coordinate Xcimer’s formal comments and industry positions with Engineering, Legal, and External Affairs. 
• Budget and partners: Manage the department budget and the portfolio of licensing consultants and specialist firms; timely escalate to and coordinate with Legal any unresolved regulatory matters or issues to engage and direct regulatory counsel. 
• Cross-functional governance: Serve on the company Safety Working Group and relevant design and readiness reviews to ensure regulatory requirements and commitments flow into design, construction, and operations. 
• Team leadership: Recruit, develop, and lead a team of licensing and permitting specialists and compliance administrators; establish the department’s procedures, tools, and metrics. 

• Education: Bachelor’s degree in engineering, physical science, environmental science, public policy, or a related field; or equivalent experience. 
• Experience: 10+ years of experience in regulatory affairs, licensing, or permitting for nuclear, radiological, energy, or other highly regulated industrial facilities, including 5+ years leading teams or programs. 
• Direct experience preparing and managing license or permit applications through approval with the NRC, an Agreement State, DOE, or comparable federal or state regulators. 
• Working knowledge of radioactive materials licensing (e.g., 10 CFR Parts 20 and 30 or Agreement State equivalents) and of environmental permitting and NEPA processes. 
• Demonstrated ability to manage complex, multi-contributor submittals to schedule and budget, and to integrate technical content produced by engineering teams. 
• Excellent written and verbal communication skills, including regulatory correspondence and briefings to executives and agency staff. 
• Willingness to travel as needed to agencies, sites, and prospective facility locations. 

• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum.

• Experience licensing first-of-a-kind facilities or technologies, including fusion, accelerators, research reactors, or advanced reactors. 
• Experience with Agreement State fusion or accelerator regulatory programs and with the NRC’s fusion machine rulemaking. 
• Experience standing up a regulatory affairs or compliance function in a fast-growing organization. 
• Familiarity with laser product and laser safety regulatory requirements (e.g., FDA/CDRH, ANSI Z136). 
• Experience with commitment-tracking and records management systems for regulated facilities. 
• Advanced degree or professional credential (e.g., PE, JD, PMP, or Regulatory Affairs certification). 

• Project Management: Oversees large commercial installations, new construction layouts, and energy-efficiency retrofits.
• Supervision & Training: Leads teams of apprentices and journeymen, ensuring adherence to safety regulations.
• System Design & Permitting: Interprets blueprints, designs custom modifications, and pulls official municipal permits.
• Advanced Diagnostics: Troubleshoots complex pneumatic, digital, and central energy management controls. 
• Maintain chilled water and centralized air handling units through regularly scheduled preventative maintenance activities 
• Perform coil cleanings, filter changes, test and balance activities, sensor calibrations, and UV bulb replacements 
• Belt alignments and replacement, drain pan treatments, damper calibration and repairs, cleaning interior of AHU 
• Perform electrical safety inspections
• Leads and helps other facilities technicians in troubleshooting, diagnosis, and repair of commercial air conditioning and multi-zone heating and cooling systems that incorporate pneumatic, digital, and central energy management system controls 
• Ability to create cost and downtime estimates for major repairs and/or equipment replacement 
• Perform work to the highest industry and manufacturer recommended standards 
• Follow all applicable federal, state, and local safety guidelines including, but not limited to, lock-out/tag-out, OSHA, confined space, PPE, etc.
• Completes and documents all work and labor time using Engineering’s CMMS
• Ability to communicate clearly and effectively with the Sr. Manager of Facility Management about equipment conditions

• High School Diploma, or equivalent required
• 5-8 years of experience in a commercial, industrial, or a healthcare environment minimum required
• 3- 5 years of documented hands-on work experience, including time spent as an apprentice and journeyman
• EPA Sect 608 Universal Refrigerant Certification Required
• Valid Driver’s License in good standing
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum

• Read, interpret, and install simple and complex electrical blueprints, schematics, and layouts tailored for advanced fusion energy infrastructure.
• Demonstrate functional knowledge of both AC and DC systems, control systems, automation, and instrumentation.
• Install switchgear, panelboards, transformers and associated conduit and wiring while also providing electrical support of fixtures, harnesses, instrumentation, and other electrical equipment, etc.
• Maintain existing facility electrical infrastructure, ensuring lighting and general power systems operate at peak efficiency.
• Troubleshoot electrical anomalies to maximize system uptime and research operational continuity.
• Proficiently use multimeters and other test equipment.
• Assist facilities, electrical and engineering teams with the early-stage planning and physical layout of new electrical distributions, laser-delivery power subsystems, and buildings.
• Eager to assist with broader facility operations and diverse tasks, ensuring overall plant safety and operational excellence.
• Work seamlessly as an independent self-starter and as a collaborative team player. Effectively give clear directions to apprentices, contractors, etc. and accept strategic direction from leads.

• Must hold an active, valid Journeyman Electrician License in the State of Colorado.
• 3+ years of dedicated experience in industrial, commercial, and manufacturing environments.
• In-depth knowledge of electrical installation techniques, equipment, and materials, with a focus on safety, quality, and efficiency.
• Working knowledge of electrical principles, codes, governing industrial electrical wiring construction.
• Strong attention to detail.
• Commitment to a "Safety First" culture, with adherence to OSHA, industry standards, and the National Electrical Code (NEC).
• Ability and willingness to travel to auxiliary facilities when project requirements dictate.
• Strong analytical mindset, exceptional communication skills, and the physical stamina required for active industrial field environments.
• Must have good people skills with the ability to work as a team.
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum.

• Education: Ph.D. in Mathematics (preferred), Applied Mathematics, Computational Physics, or a closely related field, with a focus on numerical methods for fluid dynamics.
• Strong background in numerical analysis for PDEs, particularly for fluid dynamics.
• Hands-on experience with invariant-domain preserving (IDP) methods or comparable certifiably robust discretization frameworks for hyperbolic/compressible flow.
• Experience with finite element methods and hands-on development using deal.II (strongly preferred) or similar frameworks.
• Experience developing scientific software in C++.
• Experience working in high-performance computing environments (MPI-based parallelism and large-scale simulations).
• Familiarity with multi-material modeling techniques in CFD.
• Experience with verification and validation of numerical methods.
• Strong written and verbal communication skills, with demonstrated ability to contribute to scientific publications.
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.

• Education: Master’s + 3 years experience or PhD in applied physics, engineering physics, mechanical engineering, aerospace engineering, vacuum engineering, or related field
• Experience: 0 - 3+ years of experience in the fields of cryophysics, thermodynamics, superconducting magnetics, or similar background
• Expertise in ultra low temperature engineering and design with a focus on thermal transport, mechanical compatibility, or liquefaction
• Demonstrated experience on system design and integration teams.
• Demonstrated experience working in laboratory environments and hands-on experience with ultra-low temperature installations.
• Demonstrated experience building thermal, fluid flow, and materials models.
• Experience with both wet and dry cryogenic systems.
• Experience collaborating with a multidisciplinary team of engineers, scientists, and non-domain experts supporting system design.
• Highly self-motivated, with the ability to work independently without guidance.
• Advanced verbal and written communications skills.
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the E.S. as a refugee or granted asylum.

Build, lead and grow the Fusion Nuclear Science department, including hiring, onboarding, mentoring, and professional development of scientific staff.
Define and own the scientific roadmap for fusion chamber dynamics, blanket multi-physics, tritium science, and supporting fusion nuclear science domains.
Develop the strategy for scientific tools, modeling frameworks, experimental capabilities, and validation infrastructure.
Oversee scientific analysis, modeling, code development, and experimental programs with strong emphasis on reproducibility, uncertainty quantification, and model credibility.
Translate scientific insights, experimental data, and validated models into design guidance for engineering teams responsible for fusion system architecture.
Collaborate closely with the engineering  and operations divisions, and with other science departments, to ensure strong communication and alignment.
Evaluate emerging scientific opportunities and integrate advances from academia, national laboratories, and international fusion programs.
Manage relationships with external laboratories, university collaborators, and vendors providing modeling tools, experimental facilities, or other fusion nuclear science scope.
Establish department‑wide scientific best practices, documentation standards, review processes, and quality expectations appropriate for industrial fusion systems.
Identify key scientific risks across fusion nuclear science programs and drive mitigation strategies supporting execution and long‑term scalability.
Support system troubleshooting, root‑cause investigations, and scientific review of failures or anomalies encountered in development or experimental operations.
Align fusion nuclear science priorities with company strategy, program schedules, resource constraints, and commercialization goals in partnership with executive leadership.
 

• Education: PhD in Nuclear Science, Nuclear Engineering, Nuclear Physics, or a closely related field.
• Experience: 12+ years of experience in analysis, simulation, experimental R&D, or technology development for complex nuclear or fusion systems under extreme thermal and radiation environments.
• Leadership: 6+ years in leadership of multidisciplinary scientific or R&D organizations.
• Deep experience with nuclear analysis tools (e.g., MCNP), multi‑physics simulation software (e.g., COMSOL, ANSYS), and reactor thermohydraulic codes (e.g., RELAP, MELCOR).
• Experience designing and executing experiments that raise component or system technology readiness.
• Proven record of mentoring and growing high-performing technical teams.
• Strong publication and scientific leadership record.
• Ability to operate effectively within a rapidly evolving organization transitioning from startup to industrial scale.
• Ability to balance hands‑on scientific leadership with high‑level strategic direction and organizational oversight.
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.

 

Experience in fusion chamber research, blanket multi-physics, and tritium fuel cycle analysis.
Familiarity with fusion safety and regulatory requirements.
Experience in the commercial nuclear industry or fusion experimental facilities.
Knowledge of tritium handling systems, molten salt technologies.
Familiarity with fusion plant design and commercialization efforts.

Build, grow, and lead the Integrated Target Design group, including recruiting, hiring, onboarding, managing, mentoring, and the professional development of staff.
Convert program priorities into detailed work scopes, schedules, and task assignments for the team.
Evaluate near-term capability and resource needs and communicate them to program leadership to support effective staffing and toolchain development.
Uphold and enforce Xcimer’s cultural values of humble ambition, accountable trust, respectful critique, and rigorous urgency.
Ensure the high‑quality execution of all work by removing obstacles and maintaining clear priorities for the team.
Work with the Theory and Computation group to ensure modeling capabilities align with design needs.
Collaborate with the Diagnostic Physics Division (Imaging and Spectroscopy) to ensure researchers have the diagnostic support, interfaces, and coordination needed for high-quality execution of experiments.
Participate as a technical authority in cross‑functional discussions with laser engineering, target fabrication, chamber engineering, diagnostics, etc.
Provide day-to-day technical guidance to team members in implosion physics, LPI, symmetry control, and energy coupling strategies.
Review and validate team outputs for technical quality and consistency Contribute to technical collaborations with national labs, universities, external vendors, and testing facilities.
Establish department-wide practices, documentation standards, review processes, and quality control appropriate for industrial fusion systems.
Success Measures
An Integrated Design team with high measures of performance, strong collaborations, and very clear priorities.
High-quality outputs delivered on schedule and aligned with program goals.
Strong integration of target physics and implosion design work into experimental platforms that drive system, element, and program level decisions.
Effective recruiting, mentoring, and development of internal capabilities.
Consistent delivery of work scopes tied to physics risks and their resolution.
 

Ph.D. in Physics or Engineering, or a related technical field, with knowledge of ICF.
Demonstrated ability to lead and develop scientific or technical teams.
Strong written and verbal communication skills, including the ability to convey complex arguments to diverse staff in a matrixed organization.
Ability to manage execution in a fast-moving, interdisciplinary environment, with evolving priorities.
Must be a U.S. citizen or national, U.S. permanent resident, or lawfully admitted as a refugee or granted asylum.

Deep expertise in inertial confinement fusion, capsule and hohlraum design, laser-plasma instabilities, hydrodynamics, or a related field.
Familiarity with radiation‑hydrodynamic modeling workflows, methods in physics validation, and developing or supporting experimental platforms at HED facilities (NIF, OMEGA, Z, or similar).
Experience in multi‑institutional experimental collaborations.
Familiarity with topics of interest to IFE including target fabrication, DT filling, cryogenic handling, and/or target injection and delivery.

Build, lead, and scale the Diagnostics Physics department, including hiring, onboarding, mentoring, and developing exceptional scientific talent.
Learn and maintain a system-wide understanding of program-defined diagnostic requirements across laser science and engineering, target design, pulsed power, nuclear science, manufacturing, operations, and systems architecture.
Build and maintain scientific models, analysis tools, simulation frameworks, and validation infrastructure supporting all imaging and spectroscopy activities.
Ensure all imaging and spectroscopy systems establish accurate calibration standards, verified response functions, and traceable performance metrics throughout their lifecycle.
Drive design requirements that guarantee diagnostic instruments can survive and operate reliably in expected environments, including high-radiation fields, electromagnetic interference, neutron bombardment, vacuum conditions, and mechanical/thermal loads.
Partner with Controls and DAQ teams to enable robust remote configuration, command, synchronization, and data readout for all diagnostic systems.
Maintain awareness of emerging opportunities in optical, X-ray, neutron, and plasma diagnostics; identify promising academic or laboratory technologies, and collaborate with program leads, maturing those selected for integration into program activities.
Contribute to technical collaborations with national labs, universities, external vendors, and testing facilities; oversee off-site validation campaigns prior to installation in Xcimer facilities.
Establish departmental scientific best practices, documentation standards, design review processes, and quality expectations appropriate for industrial diagnostic systems.
Own the organization’s validated knowledge and collaborate with engineering and manufacturing to deliver diagnostic systems that are scalable, repeatable, and suitable for next‑generation fusion operations.
Identify key scientific and technical risks associated with diagnostic equipment and drive mitigation strategies that ensure reliable operation and support long-term scalability.
Support troubleshooting, root‑cause investigations, and analyses of anomalies across experimental operations and development environments.

Education: MS in Physics, Electrical Engineering, or a closely related field.
Experience: 10+ years of experimental experience in imaging, spectroscopy, laser experiments, plasma diagnostics, or development of complex optical/X‑ray/neutron diagnostic systems.
Deep experience with simulation tools for beam propagation, laser-matter interaction, radiation transport, nonlinear optics, and diagnostic performance modeling.
Experience designing, executing, and analyzing complex imaging, spectroscopic, or fusion experiments.
Demonstrated leadership of multidisciplinary scientific or R&D organizations.
Proven track record of mentoring, developing, and guiding high‑performing scientific teams.
Strong publication record and recognized scientific contributions.
Ability to thrive in a fast‑moving organization transitioning from startup to industrial scale.
Ability to balance hands‑on scientific leadership with high‑level strategic and organizational responsibilities.
Must be a U.S. citizen or national, U.S. permanent resident, or lawfully admitted as a refugee or granted asylum.

Ph.D. in Physics, Electrical Engineering, or a closely related field.
Experience in nonlinear optics.
Experience in X‑ray imaging and spectroscopy.
Experience in neutron diagnostics and detection systems.
Background in gas kinetics, plasma kinetics, and related simulations.
Experience building interferometric diagnostic systems.
Experience developing industrial optical/X‑ray/neutron diagnostic equipment.
Experience with research‑grade free‑space pulsed laser systems.
Experience with vacuum systems.
Familiarity with phase optics, precision optical manufacturing, and metrology.

• Design, modify, operate, and maintain advanced pulsed laser systems.
• Enhance laser beam quality by specifying, sourcing, and installing optical components and hardware.
• Select optical components based on laser damage thresholds, transmission, and beam quality requirements; collaborate with vendors to refine specifications and procure these optics.
• Develop clear procedures and documentation for technicians, providing training on complex laser systems to enable basic maintenance and alignment tasks.
• Plan, execute, and oversee spectroscopic experiments, ensuring accurate data collection and thorough analysis.
• Calibrate laser characterization devices and ensure experimental data is acquired accurately and free of artifacts.
• Collaborate closely with engineers, offering clear technical guidance to support the design and development of laser systems.

• BS with 3+ years of experience, MS with 1-2 years of related lab experience, PhD desired.
• Advanced knowledge in solid state and gas pulsed lasers and characterization of laser pulses.
• Ability to own and maintain complex laser systems.
• Experience in specifying, budgeting, purchasing, installing, and operating laser systems, detectors, optics, spectrometers, and other scientific research equipment.
• Experience in nonlinear frequency conversion processes.
• Independent troubleshooting and solving non-trivial technical issues.
• Planning, managing, and executing laser-based experiments.
• Experience working with a multidisciplinary team of engineers and scientists.
• Highly self-motivated, with the ability to work independently without guidance.
• Advanced verbal and written communication skills.
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum.

• PhD in electrical engineering, chemistry, physics, or related fields.
• Expertise in optical spectroscopy, gas kinetics, and data processing.
• Experience in laser gain dynamics
• Experience with electro-optical devices.
• Experience in pulse shaping of laser pulses.
• Experience in spectral shaping of laser pulses.
• Hands-on experience with aligning Ti:Sapphire laser systems.
• Familiarity with fiber optics.
• Experience working with high-damage-threshold optics.
• Knowledge of phase mask and/or free-form optic manufacturing, specification, and alignment.
• Experience with ns and fs pulse diagnostics and characterization (spectral and temporal).
• Experience with vacuum systems.
• Experience leading teams of optical, laser, and controls engineers
• Experience building laser beamlines
• Experience working in multidisciplinary research laser facilities, such as national labs
• Experience in writing scientific papers.
• Experience in Matlab, Python, and LabVIEW.

Take ownership of a “virtual beamline” digital twin of our laser architecture
Work with other teams (Theory/Computation, Software Engineering, Optical Engineering, Mechanical Engineering, etc.) and key stakeholders to continue the development of a scalable virtual beamline architecture, as well as requirements, interfaces, functionality, and new modules
Run Monte Carlo simulations and parameter sensitivity studies using HPC resources
Write clear documentation to allow other users and developers to get up to speed quickly
Develop, implement, and enforce unit tests and other code validation checks
Think outside the box to identify and solve unique challenges involving big lasers!

Education: Bachelor’s degree in physics, optics, electrical engineering, computer science, or related field
Experience: 6+ years of experience in the fields of optical physics, lasers, or software engineering
Expertise in optical simulation methods, including one or more of the following: diffraction, ray tracing, Gaussian beamlet decomposition, laser amplification, turbulence correction, or nonlinear optical propagation
Demonstrated ability to write and maintain a high-quality, scalable code base with a team
Design of and hands-on experience using complex optical/laser systems
Excellent verbal and written communication, including documentation of technical results
Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum

Master’s or PhD in physics, optics, electrical engineering, computer science, or related field
8+ years of experience in the fields of optical physics, lasers, or software engineering
Zemax, FRED, or similar software
Experience with inverse solution methods
CAD software experience
Knowledge of algorithm optimization for speed, especially for distributed computing

Act as the primary experimental owner for assigned laser experiments
Rapidly learn and develop deep understanding of complex experimental platforms, including lasers, diagnostics, and supporting subsystems
Design and execute experiments involving lasers, spectroscopy, imaging, and time resolved measurements
Develop and apply appropriate diagnostics to understand system performance and debug experimental issues
Translate high level scientific objectives into detailed experimental designs and test plans
Review experimental results critically, identify limitations, and drive systematic improvements
Perform quantitative post processing and analysis of spectroscopy and imaging data
Modify, extend, and maintain data processing and analysis scripts
Produce clear technical reports, presentations, and publishable quality results
Interface with the scientific board and senior scientists to understand experimental priorities and required outcomes
Collaborate closely with technicians and engineers, providing technical direction, mentoring, and training
Troubleshoot nontrivial experimental, diagnostic, and system level issues
Work effectively across disciplines, including experimentalists, theorists, engineers, and technicians

Education: PhD in Physics, Electrical Engineering, Applied Physics, or a closely related field, or equivalent experience
Strong hands-on experience with laser-based experiments
Solid understanding of optical and laser diagnostics
Demonstrated ability to independently drive complex experimental work
Experience debugging complex experimental systems and diagnosing root causes
Willingness to learn pulsed power concepts
Proficiency in data analysis and post processing
Strong written and verbal communication skills
High level of motivation, curiosity, and ownership mindset
Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum

Familiarity with excimer lasers
Experience in laser gain dynamics
Experience with laser wavefront measurement
Experience with deformable mirrors
Experience with phase plates
Experience with gas kinetics
Experience with vacuum systems.
Experience operating and aligning pulsed laser systems
Experience producing scientific publications
Experience working in multidisciplinary research laser facilities, such as national labs
Experience with Matlab, Python, and LabVIEW.
Prior experience mentoring technicians or junior team members

• Passion for solving complex problems and contributing to positively impacting the future of energy!
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum.

• Mechanical design and hardware development
• Mechanical and thermal analysis using finite element analysis
• Systems engineering
• Manufacturing engineering
• Electrical engineering (pulsed power)
• Control systems engineering
• Computational and software engineering (simulations)
• Nuclear engineering
• Optical engineering
• Plasma physics

• Qualified candidates must be enrolled in a Bachelor's, Master’s or PhD degree program from an accredited college or university in mechanical engineering, electrical engineer, physics, nuclear engineering, or other related engineering discipline.
• Application of technical skills outside of the classroom (examples include: extracurricular projects, volunteering, personal projects, laboratory research, or prior internship/work experience).
• Proficiency in CAD software for 3D modeling and simulation.
• Strong written, verbal, communication, and interpersonal skills. 
• Passion for fusion energy!
• Ability to work full-time onsite through the duration of the 12 week internship program in Denver, CO.
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum.

• Mechanical design and hardware development
• Mechanical and thermal analysis using finite element analysis
• Systems engineering
• Manufacturing engineering
• Electrical engineering
• Control systems engineering
• Computational and software engineering (simulations)
• Nuclear engineering
• Optical engineering
• Plasma physics
• Pulsed Power Engineering

• Qualified candidates must be enrolled in a Bachelor's, Master’s or PhD degree program from an accredited college or university in mechanical engineering, electrical engineer, physics, nuclear engineering, or other related engineering discipline.
• Application of technical skills outside of the classroom (examples include: extracurricular projects, volunteering, personal projects, laboratory research, or prior internship/work experience).
• Proficiency in CAD software for 3D modeling and simulation.
• Strong written, verbal, communication, and interpersonal skills. 
• Passion for fusion energy!
• Ability to work full-time onsite through the duration of the 12 week internship program in Denver, CO.
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum.

• Mechanical design and hardware development
• Mechanical and thermal analysis using finite element analysis
• Systems engineering
• Manufacturing engineering
• Electrical engineering (pulsed power)
• Control systems engineering
• Computational and software engineering (simulations)
• Nuclear engineering
• Optical engineering
• Plasma physics

• Qualified candidates must be enrolled in a Bachelor's, Master’s or PhD degree program from an accredited college or university in mechanical engineering, electrical engineer, physics, nuclear engineering, or other related engineering discipline.
• Application of technical skills outside of the classroom (examples include: extracurricular projects, volunteering, personal projects, laboratory research, or prior internship/work experience).
• Proficiency in CAD software for 3D modeling and simulation.
• Strong written, verbal, communication, and interpersonal skills. 
• Passion for fusion energy!
• Ability to work full-time onsite through the duration of the 12 week internship program in Denver, CO.
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum.

• Mechanical design and hardware development
• Mechanical and thermal analysis using finite element analysis
• Systems engineering
• Manufacturing engineering
• Electrical engineering (pulsed power)
• Control systems engineering
• Computational and software engineering (simulations)
• Nuclear engineering
• Optical engineering
• Plasma physics

• Qualified candidates must be enrolled in a Bachelor's, Master’s or PhD degree program from an accredited college or university in mechanical engineering, electrical engineer, physics, nuclear engineering, or other related engineering discipline.
• Application of technical skills outside of the classroom (examples include: extracurricular projects, volunteering, personal projects, laboratory research, or prior internship/work experience).
• Proficiency in CAD software for 3D modeling and simulation.
• Strong written, verbal, communication, and interpersonal skills. 
• Passion for fusion energy!
• Ability to work full-time onsite through the duration of the 12 week internship program in Denver, CO.
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum.

• Mechanical design and hardware development
• Mechanical and thermal analysis using finite element analysis
• Systems engineering
• Manufacturing engineering
• Electrical engineering (pulsed power)
• Control systems engineering
• Computational and software engineering (simulations)
• Nuclear engineering
• Optical engineering
• Plasma physics

• Qualified candidates must be enrolled in a Bachelor's, Master’s or PhD degree program from an accredited college or university in mechanical engineering, electrical engineer, physics, nuclear engineering, or other related engineering discipline.
• Application of technical skills outside of the classroom (examples include: extracurricular projects, volunteering, personal projects, laboratory research, or prior internship/work experience).
• Proficiency in CAD software for 3D modeling and simulation.
• Strong written, verbal, communication, and interpersonal skills. 
• Passion for fusion energy!
• Ability to work full-time onsite through the duration of the 12 week internship program in Denver, CO.
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum.

• Mechanical design and hardware development
• Mechanical and thermal analysis using finite element analysis
• Systems engineering
• Manufacturing engineering
• Electrical engineering (pulsed power)
• Control systems engineering
• Computational and software engineering (simulations)
• Nuclear engineering
• Optical engineering
• Plasma physics

• Qualified candidates must be enrolled in a Bachelor's, Master’s or PhD degree program from an accredited college or university in mechanical engineering, electrical engineer, physics, nuclear engineering, or other related engineering discipline.
• Application of technical skills outside of the classroom (examples include: extracurricular projects, volunteering, personal projects, laboratory research, or prior internship/work experience).
• Proficiency in CAD software for 3D modeling and simulation.
• Strong written, verbal, communication, and interpersonal skills. 
• Passion for fusion energy!
• Ability to work full-time onsite through the duration of the 12 week internship program in Denver, CO.
• Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum.