Senior/Staff Nuclear Safety Analysis Engineer
4 days ago- Dept
- Software Engineering
- Location
- Los Angeles
- Comp
- -
Explore Antares careers: 51 open roles hiring now. Find jobs at Antares with direct links to apply. Funding stage: Series C. 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.
This page summarizes open roles, company profile signals, and official application paths so candidates can quickly evaluate fit before applying. Use the role list below to identify team focus, review location patterns, and jump to source listings. For broader comparison across the market, continue to the full company directory and jobs explorer.
Antares is a Series C stage AI startup, founded in 2023, with $604M in total disclosed funding. Its most recent round was a $470M Series C in Jul 2026. It currently lists 51 open roles across Los Angeles, Idaho Falls, DC. Source: Fast AI Jobs company dataset, updated Aug 2026.
Role links below go directly to official listing pages. Use them as a fast path while the full interactive view loads.
Los Angeles · Mission Engineering · FullTime
Los Angeles · Mechanical Engineering · FullTime
Los Angeles, Idaho Falls · Nuclear · FullTime
Los Angeles · Manufacturing · FullTime
Los Angeles · Operations · FullTime
Los Angeles · Operations · FullTime
Los Angeles · Quality · FullTime
Los Angeles · Quality · FullTime
Company profile last updated on Aug 7, 2026.
Antares jobs and careers: 51 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.
Open positions
51 jobs · Newest first
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 51 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, Senior Radiation Shielding Engineer, Manager, Manufacturing, Sr. Supply Chain Engineer, Supply Chain Manager, 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 $604M in total. The latest known stage is Series C.
Antares reports an employee count of 51-200.
Company context
Antares is a Series C stage AI startup, founded in 2023, with $604M in total disclosed funding. Its most recent round was a $470M Series C in Jul 2026. It currently lists 51 open roles across Los Angeles, Idaho Falls, DC. Source: Fast AI Jobs company dataset, updated Aug 2026.