Backed by Techstars.
About the role
As a Senior Nuclear Methods Engineer you are responsible for developing, qualifying, and continuously improving the nuclear analysis methods that underpin reactor design, safety, and licensing. The position owns the technical foundation for steady-state and transient analyses, ensures engineering rigor through validation and uncertainty management, and translates nuclear methods into actionable design inputs for hardware development, manufacturing, and reactor operation.
What they're looking for
- Bachelor’s degree in Nuclear Engineering, Mechanical Engineering, Physics, or a related technical discipline
- 4+ years of professional experience in nuclear engineering, reactor physics, nuclear methods development, safety analysis, or a related field
- Experience with reactor physics and transport tools such as MCNP, Serpent, SCALE, OpenMC, MOOSE-based applications, or similar codes
- Experience with transient reactor analysis and coupled neutronics/thermal-hydraulics methods
- Experience performing steady-state and/or transient analysis of nuclear reactor systems
- Working knowledge of reactor physics, neutronics, thermal-hydraulics, or coupled Multiphysics analysis
More about this role
At Antares, our long-term mission is to make clean energy abundant from Earth to the Asteroid Belt. We’re fueled by the belief that advanced nuclear energy can strengthen our military, solve the climate crisis, elevate global living standards, and expand humanity's presence in outer space. To achieve our mission, we’re building mass-producible, inherently safe, deployable microreactors that can be used terrestrially, underwater, and in space.
The Antares team hails from SpaceX, the White House, the Pentagon, the Department of Energy, MIT, Rigetti Computing, General Atomics, Relativity Space, Ursa Major, and National Laboratories like Idaho, Oak Ridge, Los Alamos, and Savannah River. Antares has raised over $600M in venture capital from top-tier investors and has hundreds of million-dollars on contract with the military services, NASA, and the Department of Energy.
As a Senior Nuclear Methods Engineer you are responsible for developing, qualifying, and continuously improving the nuclear analysis methods that underpin reactor design, safety, and licensing. The position owns the technical foundation for steady-state and transient analyses, ensures engineering rigor through validation...
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