A
Los Angeles, California, United States· Full-time
$115K – $185K/yr
A
Role overview
Job description
About Us 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. About the Role
…About this listing
- Source: Antares's official careers site (via Ashby) · last confirmed on the source 27 Oct 2026
- Posted 11 Sept 2026
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What they are looking for
Skills & requirements
Qualification
Bachelor's degree in Mechanical Engineering, Aerospace Engineering, Nuclear Engineering, or a related engineering discipline. 2+ years of professional experience for Engineer II, designing, analyzing, and developing structural systems for demanding engineering applications. Experience in structural design, including hand calculations, material selection, bolted and welded joint design, load path development, and thermo-mechanical trade studies. Experience using finite element analysis (FEA) tools to evaluate structural performance, stress, deformation, fatigue, and thermal loading. Knowledge of structural design principles, materials, bolted and welded joints, and load path development. Demonstrated ability to work effectively on multidisciplinary engineering teams and communicate technical concepts to a broad range of technical and non-technical stakeholders. Preferred Skills &
Department · Reactor Hardware Engineering
Hiring company
Antares
Antares is a diversified credit platform built on three decades of disciplined credit leadership across private and liquid markets.
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