"nuclear engineering" Jobs

246 open tech roles matching “nuclear engineering”, taken straight from company career pages — not reposted from other job boards. Most in demand right now: Python, Mechanical Engineering, Electrical Engineering. Every listing is re-checked daily and closed roles are removed.

Showing 20 of 246 results

Radiant

Lead a team designing and validating electrical power systems for portable nuclear microreactors at a pioneering startup.

Radiant El Segundo, CA Published 2 months ago
Standard Nuclear

Coordinate and develop technical training programs to ensure workforce readiness and compliance in a nuclear fuel fabrication environment.

Standard Nuclear Oak Ridge, TN Published 2 months ago
Radiant

Join Radiant as a Build Engineer to work hands-on with high-speed turbomachinery for innovative nuclear microreactor technology.

Radiant El Segundo, CA Published 4 months ago
Radiant

Join Radiant as a Senior Structures Engineer to design critical structures for portable nuclear microreactors in a fast-paced startup environment.

Radiant El Segundo, CA Published 1 month ago
Radiant

Lead the regulatory engineering efforts for portable nuclear microreactors at a pioneering startup.

Radiant El Segundo, CA Published 4 months ago
Valar Atomics

Lead the electrical engineering team at Valar Atomics, driving innovation in advanced nuclear power systems.

Valar Atomics Torrance, California, United States $196k–$240k/yr Published 2 weeks ago
Radiant

Join Radiant as a Senior Thermal-Hydraulics Engineer to design and implement simulations for innovative nuclear microreactors.

Radiant El Segundo, CA Published 1 month ago
Flexible on stack
Radiant

Join Radiant as a Senior Test Engineer to lead testing operations for innovative nuclear microreactor technology in a fast-paced environment.

Radiant El Segundo, CA Published 2 months ago
Standard Nuclear

Lead the Oak Ridge nuclear fuel fabrication facility, ensuring safe operations and driving continuous improvement in production performance.

Standard Nuclear Oak Ridge, TN Published 2 months ago
Radiant

Join Radiant as a Senior Thermal Modeling Engineer to drive the development of portable nuclear microreactors in a dynamic startup environment.

Radiant El Segundo, CA Published 1 month ago
Flexible on stack
Radiant

Join Radiant as a Senior Mechanical Engineer to lead the design of critical fluid systems for innovative portable nuclear microreactors.

Radiant El Segundo, CA Published 3 months ago
Helion

Join Helion as a Principal Nuclear Materials Engineer to develop materials for high-radiation environments in the pursuit of fusion power.

Helion Everett, WA Published 11 months ago
Flexible on stack
Radiant

Join Radiant as a Reactor Operations Enablement Engineer to develop training resources for portable nuclear microreactors.

Radiant El Segundo, CA Published 2 months ago
Proxima Fusion

Join Proxima Fusion as a Neutronics Engineer to advance stellarator design and contribute to the future of clean energy.

Proxima Fusion Munich Published 8 months ago
Flexible on stack
Inertia

Lead the design and analysis of critical components for the world's first fusion energy power plant at Inertia.

Inertia Livermore $125k–$225k/yr Published 6 months ago
Flexible on stack
Valar Atomics

Join Valar Atomics as a Senior Mechanical Engineer to lead the design of advanced nuclear systems and mentor junior engineers.

Valar Atomics Torrance, California, United States $140k–$185k/yr Published 2 months ago
Flexible on stack
Radiant

Join Radiant as a Senior Thermal Modeling & Analysis Engineer to lead CFD and thermal modeling for innovative nuclear microreactors.

Radiant El Segundo, CA Published 1 month ago
Flexible on stack
Radiant

Join Radiant as a Senior Mechanical Engineer to design critical mechanisms for innovative portable nuclear microreactors.

Radiant El Segundo, CA Published 2 months ago
Radiant

Join Radiant as a Senior Tooling Engineer to innovate custom equipment for portable nuclear microreactors in a dynamic startup environment.

Radiant El Segundo, CA Published 1 week ago
Radiant

Join Radiant as a Staff Structures Engineer to design critical structures for innovative portable nuclear microreactors.

Radiant El Segundo, CA Published 2 weeks ago