How do I apply?
Open positions are posted on our frequently refreshed Careers page. Send inquiries to careers@xcimer.net.
We’ve hired the top talent in fusion, energy, defense, aerospace, semiconductor manufacturing, lithography, high-performance computing, and academia.
We plan to double the size of our team over the next year. Join us in our mission to commercialize fusion energy.
How we work
Fusion demands precision, creativity, and collaboration. It rewards those who can question assumptions, solve hard problems, and stay grounded in reality. These are the values that guide how we build together.
Respectful Critique
We invite criticism, welcome debate, and require honesty, but never tolerate disrespect or rudeness.
Accountable Trust
We trust each other with great responsibility and ownership of our responsibilities but hold each other accountable to deliver on commitments.
Humble Ambition
We aim to do great things while remembering we stand on the shoulders of giants.
Rigorous Urgency
We must act quickly and decisively while maintaining the highest standards in an unforgiving field.
Benefits
We take care of employees. All full-time employees receive competitive wages, comprehensive healthcare, and stock options so the whole team is motivated to win.
- Flexible work environment
- Relocation package
- Equity compensation plan
- Professional growth opportunities
- Generous sick leave and vacation days
- 13 paid company-wide holidays
- Up to 12 weeks paid parental leave
- Health, Dental, and Vision insurance
- Flexible Spending Accounts
- Short-term and long-term disability
- Life and AD&D insurance
- Employer-matched 401K plan
- Dog-friendly workplace
- Free lunch Tuesdays and Thursdays
Internships
We run a highly competitive internship program where our interns work alongside our scientists and engineers on projects such as computational simulations, optical code development, hardware testing, and materials analysis. And they have a lot of fun!
Current Job Openings
Career FAQs
Does Xcimer offer internships?
Yes. Xcimer runs one of the most competitive internship programs in the energy sector, giving the next generation hands-on experience in fusion science and engineering. And we have a track record of hiring many interns into full-time roles after graduation or completion of their academic studies. More information about our competitive internship program: xcimer.energy/internships
Does Xcimer hire non-technical professionals?
Yes. As we expand, we are increasingly hiring world-class employees in non-technical business roles, including HR, finance, government relations, and business development.
What is the culture like at Xcimer?
Xcimer’s culture is built around four core values:
Respectful Critique (we invite debate and require honesty, but never tolerate disrespect);
Humble Ambition (we aim to do great things while acknowledging we stand on the shoulders of giants);
Accountable Trust (we give each other real ownership and hold each other to commitments);
Rigorous Urgency (we move fast without compromising standards in an unforgiving discipline).
What benefits does Xcimer offer?
All full-time employees receive competitive pay, equity compensation, and comprehensive benefits including health, dental, and vision insurance; flexible spending accounts; short- and long-term disability; life and AD&D insurance; employer-matched 401K; up to 12 weeks paid parental leave; 13 paid company holidays; generous sick leave and vacation; relocation assistance; professional growth opportunities; free lunch Tuesdays and Thursdays; and a dog-friendly workplace.
Where are Xcimer’s offices and facilities?
Xcimer is headquartered in Denver, Colorado, with manufacturing operations in Tucson, Arizona.