RI
El Segundo, California, United States· Full-time
$140.5K – $202.5K/yr
RI
Active1w ago
Materials Engineer, Moderator Materials
Role overview
Job description
About Radiant Radiant is an El Segundo, CA-based company building the world's only mass-produced, transportable nuclear microreactors. The U.S. grid is under growing strain, with power demand accelerating, driving higher utility costs, rising carbon emissions, and interconnection backlogs. Radiant has a solution, transportable, on-site power. Our first reactor, Kaleidos, is 1 megawatt: small enough to be factory-built, transported by land, sea, or air, and deployed wherever power is needed. 1 MW can power 1000 homes for five years. Ship it back and we refuel for a 20 year operating life. We made energy a product that can be used for critical infrastructure like military bases, data centers, hospitals, and remote sites, as well as the commercial main street businesses that keep America running. Founded in 2020, Radiant is under contract to deliver power to the U.S. Army, Navy and Air Forc
…About this listing
- Source: Radiant Industries's official careers site (via Ashby) · last confirmed on the source 27 Oct 2026
- Posted 20 Oct 2026
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What they are looking for
Skills & requirements
Qualification
About the Role Radiant is seeking a highly motivated Materials Engineer to own development, testing, and qualification of in-core moderator and reflector materials and related manufacturing processes used for the Kaleidos 1MW nuclear microreactor; Required Qualifications & Skills Bachelor’s degree from an accredited institution in Materials Science and Engineering, or in Mechanical, Aeronautical, Nuclear, or Chemical Engineering with a materials science and engineering focus; Experience with development and qualification of nuclear moderator and reflector materials for high temperature and irradiation environments; We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law
Department · Engineering
Hiring company
Radiant Industries
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