Thermo - Mechanical Design Engineer - Heat Pipes
5 days ago- Dept
- Software Engineering
- Location
- Los Angeles
- Comp
- -
Antares is hiring now. Browse 30 open Antares jobs with direct links to apply.
Looking for jobs at Antares? This page tracks Antares hiring activity and links to official application pages. Antares is at the Series B funding stage. It has raised $130M in total funding. Headcount is around 51-200 employees.
Apply directly on the official Antares careers page.
Explore Antares careers: 30 open roles hiring now. Find jobs at Antares with direct links to apply. Funding stage: Series B. Headcount: 51-200. Antares is developing mass-producible, inherently safe nuclear microreactors for terrestrial, underwater, and space-based applications, producing between 100 kilowatts and 1 megawatt of electricity. The company has a 145,000-square-foot manufacturing facility in Torrance, California and is on track to achieve first reactor criticality by mid-2026. Founded by alumni of SpaceX, MIT, and Los Alamos National Lab, Antares is backed by over $130 million in venture capital and government funding.
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Los Angeles · Mission Engineering · FullTime
Los Angeles · Mechanical Engineering · FullTime
Los Angeles, Idaho Falls · Nuclear Engineering · FullTime
DC · Government Affairs · FullTime
Los Angeles · Manufacturing · FullTime
Los Angeles · Operations · FullTime
Los Angeles · Operations · FullTime
Los Angeles · Machining · FullTime
Company profile last updated on Jun 24, 2026.
Antares jobs and careers: 30 open roles currently listed here. Review hiring details and apply via the official career page. Official careers page
Antares is an defense & aerospace company. Antares is developing mass-producible, inherently safe nuclear microreactors for terrestrial, underwater, and space-based applications, producing between 100 kilowatts and 1 megawatt of electricity. The company has a 145,000-square-foot manufacturing facility in Torrance, California and is on track to achieve first reactor criticality by mid-2026. Founded by alumni of SpaceX, MIT, and Los Alamos National Lab, Antares is backed by over $130 million in venture capital and government funding.
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Candidate questions
Antares is developing mass-producible, inherently safe nuclear microreactors for terrestrial, underwater, and space-based applications, producing between 100 kilowatts and 1 megawatt of electricity. The company has a 145,000-square-foot manufacturing facility in Torrance, California and is on track to achieve first reactor criticality by mid-2026. Founded by alumni of SpaceX, MIT, and Los Alamos National Lab, Antares is backed by over $130 million in venture capital and government funding.
Yes. Antares is hiring and currently has 30 open roles listed on Fast AI Startup Jobs, each with a direct link to the official application page.
Antares is currently hiring for roles such as Mission Engineer, Senior Mechanical Design Engineer - Cover Gas Systems, Radiation Shielding Engineer, Government Affairs Manager, Manufacturing Leader, Sr. Supply Chain Engineer, and more. See the full list of jobs at Antares above.
Antares is hiring across Los Angeles, Los Angeles, Idaho Falls, DC, Idaho Falls, and other locations based on its currently open roles.
Antares has raised $130M in total. The latest known stage is Series B.
Antares reports an employee count of 51-200.
Company context