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Jobs in El Segundo, United States

82 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.

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  • Radiant Industries · El Segundo, California, United States

    On-siteFull-timeMid level$100.5K – $142.8K a yearOperations

    We are looking for a Quality Operations Specialist to help run, sustain, and continuously improve Radiant’s Quality program as we scale. You will work across the Quality organization to keep key processes moving, maintain the systems and information behind them, and help ensure…

  • Radiant Industries · El Segundo, California, United States

    On-siteFull-timeSenior$158K – $219.5K a yearEngineering

    Radiant is seeking a Senior FPGA Verification Engineer to add to our Embedded Systems team. You will lead verification of FPGAs used in reactor safety, control, and instrumentation systems, covering safety-critical applications, sensor and actuator handling, and communication…

  • Radiant Industries · El Segundo, California, United States

    On-siteFull-timeSenior$133.5K – $190.1K a yearEngineering

    Radiant is seeking a Technical Program Manager, IT and Security, to own visibility and delivery across our IT and security portfolio: eight concurrent programs across three states, including a reactor program at Idaho National Laboratory, a fuel facility and manufacturing plant…

  • Radiant Industries · El Segundo, California, United States

    On-siteFull-timeSenior$133.5K – $184.8K a yearEngineering

    Radiant is seeking a highly motivated Senior Tooling Engineer who will be working closely with design engineers and the manufacturing team to develop and innovate custom equipment to build and assemble our microreactor system. You will be part of the early team that develops…

  • Radiant Industries · El Segundo, California, United States

    On-siteFull-timeDirector$173K – $237.3K a yearEngineering

    Lead and grow a team of nuclear engineers spanning core physics, shielding performance, dose and consequence analysis, and nuclear instrumentation domains; Manage team execution to efficiently deliver against the strategy, remove roadblocks, and adapt to shifting priorities;…

  • Radiant Industries · El Segundo, California, United States

    On-siteFull-timeSenior$158K – $219.5K a yearEngineering

    Design, develop, and manage automation projects - this includes equipment ideation, machine commissioning, proof of rate capability, quality and reliability studies, and eventual hand-off to operational teams.; Architect, write, and debug PLC code with an emphasis on generating…

  • Radiant Industries · El Segundo, California, United States

    On-siteFull-timeSenior$133.5K – $184.8K a yearEngineering

    Radiant is seeking a Stress Engineer to own and execute structural loads, vibration, and dynamic analyses for complex mechanical systems associated for Kaleidos, the world's first portable microreactor and supporting hardware. You will play a critical role in ensuring…

  • Radiant Industries · El Segundo, California, United States

    On-siteFull-timeSenior$158K – $219.5K a yearEngineering

    Radiant is seeking a Senior Electrical Engineer focused on PCB development, mixed-signal design, high-speed interfaces, power distribution, and signal integrity, supporting the data acquisition, signal conditioning, data sampling, and reactor control operations behind Kaleidos,…

  • Radiant Industries · El Segundo, California, United States

    On-siteFull-timeMid level$182K – $293K a yearEngineering

    Radiant is seeking a Loads & Dynamics Engineer to own and execute structural loads, vibration, and dynamic analyses for complex mechanical systems associated for Kaleidos, the world's first portable microreactor and supporting hardware. You will play a critical role in ensuring…

  • Radiant Industries · El Segundo, California, United States

    On-siteFull-timeLead / staff$162.5K – $228.8K a yearEngineering

    Radiant is seeking a Staff Loads & Dynamics Engineer to own and execute structural loads, vibration, and dynamic analyses for complex mechanical systems associated for Kaleidos, the world's first portable microreactor and supporting hardware. You will play a critical role in…

  • Nuclear Engineer

    3 months ago

    Radiant Industries · El Segundo, California, United States

    On-siteFull-timeEntry level$106.5K – $146.5K a yearEngineering

    Radiant is seeking a highly motivated Nuclear Engineer responsible for developing nuclear engineering solutions for our Kaleidos microreactor. This may include nuclear engineering areas such as radiation shielding, criticality safety, accident dose consequence, reactor physics…

  • Radiant Industries · El Segundo, California, United States

    On-siteFull-timeEntry level$106.5K – $146.5K a yearEngineering

    Radiant is seeking a highly motivated Nuclear Engineer to own sensor and instrumentation solutions for our Kaleidos microreactor. This includes radiation detection, neutron flux monitoring, and instrumentation design and qualification for reactor physics, shielding, and safety…

  • Radiant Industries · El Segundo, California, United States

    On-siteFull-timeMid level$106.5K – $146.5K a yearEngineering

    Radiant is a seeking a Nuclear Engineer, Core Physics responsible for designing and implementing nuclear-specific testing operations at our 2026 demonstration. You will be responsible for the design of a large portion of the test campaign, which includes providing analysis to…

  • Radiant Industries · El Segundo, California, United States

    On-siteFull-timeSenior$150K – $211.8K a yearEngineering

    Radiant is seeking a driven Senior Nuclear Engineer to join our team! You will own modeling methods and reactor physics calculations of neutronics parameters such as reactivity, kinetics parameters, and energy deposition distributions used within our cutting-edge custom-made…

  • Radiant Industries · El Segundo, California, United States

    On-siteFull-timeLead / staff$115K – $168K a yearLegal & compliance

    Radiant is scaling fast - expanding factory operations, standing up multi-entity structures, and taking on both government and commercial deployments. This role will manage our liability exposure in a centralized manner - owning programs across all teams and building out our…

  • Radiant Industries · El Segundo, California, United States

    On-siteFull-timeManager$154.5K – $256.2K a yearFinance

    Radiant is executing a significant, multi-year capital program across a range of financing vehicles to support our manufacturing scale up, R&D and internal CapEx. As Structured Finance Manager, you will own designing and executing ITC (Investment Tax Credits) monetization…

  • Radiant Industries · El Segundo, California, United States

    On-siteFull-timeSenior$186K – $258.3K a yearOperations

    Radiant is seeking an experienced Regulatory Program Manager who loves to think outside the box and challenge convention; in this role you will lead the authorization process for reactor deployment with our military partners. You will be responsible for regulatory submissions…

  • Radiant Industries · El Segundo, California, United States

    On-siteFull-timeSenior$133.5K – $184.8K a yearEngineering

    Perform testing as a Test Conductor/Test Director to gain firsthand experience, ensuring procedures align with real-world execution.; Partner with design engineers to develop innovative test methods for complex mechanisms and structures.; Support testing and iterative…

  • Radiant Industries · El Segundo, California, United States

    On-siteFull-timeMid level$106.5K – $146.5K a yearEngineering

    Perform testing as a Test Conductor/Test Director to gain firsthand experience, ensuring procedures align with real-world execution.; Partner with design engineers to develop innovative test methods for complex mechanisms and structures.; Support testing and iterative…

  • Radiant Industries · El Segundo, California, United States

    On-siteFull-timeManager$208.5K – $284K a yearEngineering

    Radiant is seeking a talented Senior Manager, Power Systems, to build and lead the team that designs, models, and validates electrical power systems for our nuclear microreactor platform. You will manage a team of power systems and power electronics engineers, set technical…

Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.