Xcimer Energy
Xcimer Energy is seeking an Engineering Intern to join its 12-week program at its Denver headquarters, where you will gain hands-on experience designing and building laser-driven inertial fusion hardware and software. You will work alongside an industry expert mentor to tackle complex, real-world challenges in fields such as structures, optics, pulsed power, and plasma physics. This role is integral to developing the systems needed for the world's first commercial fusion energy power plant.
Headquarters
Denver, Colorado, United States
Company Size
11-50 employees
Founded
2022
Xcimer Energy is a clean‑energy company developing commercial inertial fusion power by building high‑energy laser systems. The company aims to extend proven inertial fusion science to commercial deployment, designing what it describes as the world’s highest‑energy laser to enable a viable path to fusion energy. Xcimer’s mission — “Powering a better world” — focuses on creating a practical roadmap to put fusion on the grid through advanced laser engineering, system integration, and commercialization planning.
Xcimer Energy completes first private-sector electron-beam excimer laser
Jun 12, 2025
Xcimer Energy Delivers Technical Update to U.S. Energy Sec. Chris Wright and U.S. Rep. Gabe Evans in Denver Laser Bay
Dec 23, 2025
Fusion startup Xcimer hopes to pick site by year's end
1 month ago
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
View leadership team, funding history,
and employee contacts for Xcimer Energy.
54% below the average for this role
Fusion Startup Xcimer Raises $100M, Plans Laser Prototype | Industry News | Aug 2024
Sep 30, 2025
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