Xcimer logo
Xcimer

54 open roles

Cryophysicist

Denver, COFull-timePosted Sep 29, 2026

Job description

Xcimer Energy leverages decades of research on Inertial Fusion Energy (IFE) combined with groundbreaking new laser architecture. Our mission is to deploy fusion power plants to meet global decarbonization goals as fast as possible. Xcimer has assembled a team of leaders in tough tech, fusion science, and manufacturing with a track record of rapid execution.

Supported by leading investors, Xcimer is uniquely positioned to deliver limitless, clean, fusion power to combat climate change. Join us in powering a better world with inertial fusion! This is a full-time, onsite role based at our headquarters in Denver, CO. We are welcoming applicants for a Cryophysicist position on Xcimer’s Fill and Injection Station Team.

The successful candidate will join a growing group of engineers and scientists aimed at developing the processes and technologies to build a first of its kind Inertial Fusion Energy fueling station for Xcimer’s fusion reactor plant. In this role, you will lead the experimental and theoretical design, characterization, and optimization of physical systems operating at ultra-low temperatures.

You will manage relations and work closely with collaborators from national labs and universities to drive research objectives that will critically impact future system design and architecture. This is an entry- to mid-level role focused on experimental and theoretical R&D.

Description copied from Xcimer's careers page. Read the full posting before you apply.

More jobs at Xcimer

See all openings at Xcimer

More jobs in Denver

See all jobs in Denver