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Antare • Los Angeles, California, United States
Salary: USD 30–52 per hour
Role & seniority: Test Technician, mid-entry level (3+ years hands-on technical experience)
Stack/tools: instrumentation (thermocouples, pressure transducers, strain gauges, flow meters, relays, solenoid valves), data acquisition systems, control hardware, electrical wiring, mechanical fabrication (hand tools, basic machining), ability to read engineering drawings/schematics; CAD familiarity; basic test software
Build, assemble, and maintain test rigs, fixtures, and support equipment for R1 components
Install/integrate instrumentation and set up data acquisition and control systems
Execute tests per procedures, document conditions/results/anomalies, and assist in root-cause investigations
HS Diploma or GED
3+ years as a test/engineering/lab technician or similar
Experience assembling mechanical systems and test fixtures; instrumentation integration
Ability to read drawings/schematics, use hand/shop tools, and work safely around high-energy systems
R&D/prototype test rig experience; plumbing and hydraulic work
Electrical wiring/harnessing, relays, control panels; CAD experience
Debugging instrumentation, Python or scripting, welding/machining/fabrication
Location & work type: Torrance, CA; on-site in a large new facility; potential long hours and weekend work to support milestones; ability to lift up to 50 lbs; standing, climbing, bending, and other physical requirement
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. Formed in 2023, the Antares team hails from SpaceX, The White House, MIT, Rigetti Computing, The Air Force, General Atomics, Relativity Space, Ursa Major, and National Laboratories like Los Alamos, Idaho, and Oak Ridge. Antares has raised over $130M in venture capital from top-tier investors and has over $13M in government funding. About the Role As a Test Technician on the Antares Mission Engineering team, you will work directly alongside Test Engineers to build, operate, instrument, and maintain test infrastructure for the R1 reactor. You will be responsible for assembling test stands, integrating sensors and data acquisition systems, wiring and plumbing test hardware, operating tests safely and accurately, and documenting results and issues. This role is deeply hands-on. You will turn engineering concepts into physical test rigs, operate them during development and qualification testing, and feed back real-time observations to engineers to enable rapid iteration. You will be essential in ensuring data quality, test repeatability, and high operational uptime.