Senior Nuclear Engineer - Multiphysics Reactor Design; Onsite
Listed on 2026-11-04
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Engineering
Civil Engineering, Engineering Design & Technologists, Mechanical Engineer, Environmental Engineer
Radiant, an El Segundo, CA-based startup, seeks a Staff Nuclear Engineer to lead nuclear design and analysis of Kaleidos. You will own complex reactor physics work streams, develop high-fidelity transport models, and drive regulatory documentation.
This role requires deep technical judgment, autonomy, and collaboration across disciplines to translate analyses into practical reactor design decisions. You will mentor engineers, establish standards, and contribute to testing, startup, and regulatory
Our team is growing, and we are hiring a Senior Nuclear Engineer - Multiphysics Reactor Design (Onsite) in El Segundo, CA, United States.
If your experience matches this role, we encourage you to apply.
All applications are reviewed carefully by our team.
The position is based in El Segundo, CA, United States.
This opportunity is part of our work in Engineering.
The advertised compensation is 180..
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