Jobs at Antares

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  Technical Recruiter

  2 weeks ago

  Antares · Los Angeles, California, United States

  Full-timeMid level$90K – $150K a yearPeople & HR

  Our People team is responsible for supporting Antares’ best-in-class organization, as well as strategically managing our hiring pipelines to help us find the very best to join our company. On this team, you are given the opportunity to work across many disciplines in order to…

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  Build Engineer I/II - Space

  2 weeks ago

  Antares · Los Angeles, California, United States

  Full-timeMid level$90K – $185K a yearEngineering

  As a Build Engineer I/II on Antares’ Space team, you will turn engineering designs into hardware that advances nuclear power for space missions. You will own development, prototype, and pathfinder builds from planning through assembly, testing, and as-built closeout. Working…

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  Senior-Staff Manufacturing Engineer, Assembly & Integration

  2 weeks ago

  Antares · Los Angeles, California, United States

  Full-timeLead / staff$140K – $225K a yearEngineering

  We are looking for a Manufacturing Engineer to take lead on the assembly of our full scale, full power reactor on-site at Antares Prime. This person would work with design, quality, supply chain, and many other teams to provide DFM to design, define build processes, procure…

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  Senior/Staff Space Systems Electrical Engineer

  2 weeks ago

  Antares · Los Angeles, California, United States

  Full-timeLead / staff$160K – $235K a yearEngineering

  As a Staff Space Electrical Systems Engineer at Antares, you will own the system-level electrical architecture, requirements, interfaces, and verification strategy for first-of-a-kind space nuclear power systems and their associated development hardware.

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  Senior Accountant

  2 weeks ago

  Antares · Los Angeles, California, United States

  Full-timeSenior$150K – $180K a yearFinance

  Antares is building its Finance & Accounting organization to support the company's transition from research and development into manufacturing and commercial deployment. As a Senior Accountant, you will be one of the early members of the accounting team and play a key role in…

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  Senior Software Engineer, Hardware Test Platform

  3 weeks ago

  Antares · Los Angeles, California, United States

  Full-timeSenior$160K – $210K a yearEngineering

  Antares is seeking a Senior Software Engineer to build the software platform our engineers use to test and validate reactor components and subsystems. You will develop reusable infrastructure that connects to hardware, automates test procedures, captures synchronized data, and…

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  Senior Mission Engineer

  3 weeks ago

  Antares · Los Angeles, California, United States

  Full-timeSenior$140K – $190K a yearEngineering

  As a key member of the Mission Engineering team, you will lead programs across commercial, defense, and space microreactor missions – both on Earth and in space. You will serve as a primary technical point of contact for customers and stakeholders, driving the development,…

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  R&D Welding & Fabrication Technician III

  4 weeks ago

  Antares · Los Angeles, California, United States

  Full-timeSenior$31.50 – $50.60 an hourTrades & logistics

  As an R&D Technician III, you will be at the forefront of our company’s critical operations in a fast-paced, innovative environment. You will take ownership of prototyping, machining, assembly, testing, and fabrication operations, ensuring attention to detail and proper…

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  R&D Machinist I

  4 weeks ago

  Antares · Los Angeles, California, United States

  Full-timeEntry level$24.75 – $30.25 an hourTrades & logistics

  As an R&D Machinist, you will be at the forefront of our company’s critical operations in a fast-paced, innovative environment. You will take ownership of prototyping, machining and assembly operations, ensuring attention to detail and proper documentation as we develop…

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  Build Quality Engineer II-Senior

  4 weeks ago

  Antares · Los Angeles, California, United States

  Full-timeSeniorUp to $1.00 an hourEngineering

  We are seeking a passionate Build Quality Engineer committed to turning engineering designs into reliable, high-quality products. This role focuses on developing and implementing rigorous quality processes that meet or exceed nuclear industry standards. The ideal candidate will…

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  Senior Test Engineer - Space

  4 weeks ago

  Antares · Los Angeles, California, United States

  Full-timeSenior$140K – $190K a yearEngineering

  As a Space Test Engineer on Antares' Mission Engineering team, you will develop and execute tests that demonstrate the performance and reliability of avionics, electrical subsystems, and thermal hardware for space nuclear power systems. You will own testing from requirements…

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  Senior Structural Engineer - Space

  4 weeks ago

  Antares · Los Angeles, California, United States

  Full-timeSenior$145K – $185K a yearEngineering

  As a Structural Engineer at Antares, you will own analysis and dynamics for space nuclear systems, including reactor, spacecraft, radiator, payload, and associated support hardware. This role combines stress analysis, structural dynamics, test planning, and hands-on development…

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  Senior Thermal Engineer - Space

  4 weeks ago

  Antares · Los Angeles, California, United States

  Full-timeSenior$145K – $185K a yearEngineering

  As a Senior Space Thermal Engineer at Antares, you will own and drive the thermal design and analysis of a space nuclear vehicle, including the reactor, spacecraft, and heat rejection systems. You will develop, validate, and anchor thermal models to experimental and test data,…

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  R&D Machinist III-IV

  5 weeks ago

  Antares · Los Angeles, California, United States

  Full-timeSenior$41.40 – $59.60 an hourTrades & logistics

  As an R&D Machinist, you will be at the forefront of our company’s critical operations in a fast-paced, innovative environment. You will take ownership of prototyping, machining and assembly operations, ensuring attention to detail and proper documentation as we develop…

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  Electrical Integration Engineer

  5 weeks ago

  Antares · Los Angeles, California, United States

  Full-timeMid level$120K – $210K a yearEngineering

  Every system we build is tied together by wire and some of that wire carries safety-class functions. As our Electrical Integration Engineer, you'll own that layer end to end: from wire and connector selection, through schematic and routed 3D model, through a release package a…

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  Strategic Finance Associate

  5 weeks ago

  Antares · Los Angeles, California, United States

  Full-timeEntry level$150K – $180K a yearFinance

  Antares is looking for a Strategic Finance Associate to join our growing Finance organization. You will work directly with the Head of Finance and company leadership on some of the most important financial and strategic decisions facing the business.

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  Licensing Engineer

  6 weeks ago

  Antares · Idaho Falls, Idaho, United States

  Full-time$115K – $190K a yearEngineering

  Antares is seeking a Licensing Engineer to develop and execute licensing and permitting strategies for the Antares R1 product line and future commercial microreactor deployments. The engineer will prepare regulatory products, coordinate engagements, translate regulatory…

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  Equipment Reliability Engineer

  7 weeks ago

  Antares · Los Angeles, California, United States

  Full-timeMid level$115K – $150K a yearEngineering

  As an Equipment Reliability Engineer, you will own the systems and technical work required to keep critical manufacturing equipment safe, available, and capable. You will work directly with CNC machining tools and other production assets, lead difficult breakdown repairs,…

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  Materials Engineer - Metallurgy

  7 weeks ago

  Antares · Los Angeles, California, United States

  Full-timeMid level$115K – $150K a yearEngineering

  As a Materials Engineer you will aid in the development and qualification of all materials in Antares’ reactor systems. This will consist of developing experiments, processes, and quality control as well as working with vendors and collaborators to identify and rectify critical…

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  Senior Turbomachinery Aerodynamics Engineer

  7 weeks ago

  Antares · Los Angeles, California, United States

  Full-timeSenior$140K – $220K a yearEngineering

  As a Senior Turbomachinery Aerodynamics Engineer, you will own the aerodynamic and aeromechanical design of compressor and turbine stages for Antares nuclear reactors. You will develop turbomachinery from early sizing and architecture trades through detailed aerodynamic design,…

Updated 06 Nov 2026 09:37 UTC from the OptiTalent job library.