• Radiant (El Segundo, CA)
    …nuclear reactor . Responsibilities and Duties: Own modeling methods of core neutronics and reactor physics calculations supporting Radiant's transient safety ... preferably Python. Desired Skills and Qualifications: Knowledge and experience in reactor kinetics. Basic knowledge of thermal hydraulic principles. Experience… more
    Upward (07/21/25)
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  • TerraPower (Bellevue, WA)
    …and operated and will be constructed at Idaho National Laboratory. MCFR Senior Structural Engineer TerraPower's MCFR advanced nuclear reactor development program ... TITLE: MCFR Senior Structural Engineer LOCATION: Bellevue, WA TerraPower is...nuclear technology company based in Bellevue, Washington. At its core , the company is working to raise living standards… more
    Upward (07/19/25)
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  • System One Holdings, LLC (Bellevue, WA)
    …analysis engineers. *Work with an interdisciplinary team of engineers to establish core and reactor SSC functional, performance, safety, and quality requirements ... System One is seeking highly motivated Senior Safety Verification and Validation Engineer to support...Regulatory Guide 1.203 is required. *Knowledgeable of nuclear systems thermal -hydraulic fundamentals as well as reactor dynamics… more
    Upward (07/09/25)
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  • Reactor Design Engineer

    General Atomics (San Diego, CA)
    …to support startup, full power operation, shutdown, and accident response of the nuclear reactor core and supporting heat transfer systems. + Prepare and review ... to other staff members working on engineering analyses for thermal /fluids analysis, nuclear systems evaluations and core /assembly...loss of coolant evaluations and protection systems response. + Core /Assembly analysis - reactor core ,… more
    General Atomics (05/29/25)
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  • Engineer I - Sr, Reactor (Nuclear)

    Entergy (Killona, LA)
    …of the selected candidate. **Job Summary/Purpose:** Provides technical leadership for reactor core performance and monitoring, advocates nuclear fuel ... + Serves as a subject matter expert for the reactor core and associated areas. Manages ...etc. required of the position:** ANSI/ANS Qualifications - For Senior Reactor Engineer Only. Candidates must meet… more
    Entergy (07/18/25)
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  • Senior Safety Verification and Validation…

    System One (Bellevue, WA)
    …engineers. * Work with an interdisciplinary team of engineers to establish core and reactor SSC functional, performance, safety, and quality requirements ... System One is seeking highly motivated Senior Safety Verification and Validation Engineer to support...Guide 1.203 is required. * Knowledgeable of nuclear systems thermal -hydraulic fundamentals as well as reactor dynamics… more
    System One (07/04/25)
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  • Senior Nuclear Safety Analysis Engineer

    System One (Bellevue, WA)
    …evaluation model. + Work with an interdisciplinary team of engineers to establish core and reactor SSC functional, performance, safety, and quality requirements ... System One is seeking a Senior Nuclear Safety Analysis Engineer for a long-term,...in the nuclear field. + Knowledgeable of nuclear systems thermal -hydraulic, fuel performance, reactor dynamics, and transient… more
    System One (05/06/25)
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  • Lead/ Principal Nuclear Engineer

    MPR Associates (Alexandria, VA)
    …is essential. + Familiarity with both light water and non-light water reactor designs. Alternatively, familiarity with fusion device thermal and radiological ... engineer to guide, challenge, and mentor our growing team in a variety of reactor analysis activities. If you're looking for an opportunity to work on a broad… more
    MPR Associates (06/27/25)
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  • Nuclear Engineer

    MPR Associates (Alexandria, VA)
    …aspects of nuclear engineering, including neutronics modelling and simulation, thermal hydraulics, irradiation of materials, shielding, and radiation detection and ... across various projects including, for example: + Neutronics simulations and core design (Criticality safety evaluations, critical core configuration, fuel… more
    MPR Associates (07/16/25)
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  • Manager - Nuclear Fuel Cycle Analysis (Remote…

    GE Vernova (Wilmington, NC)
    …or university + Working knowledge of applied statistical framework of nuclear reactor core and fuel licensing, technical specifications, safety margin basis, ... The Fuel Cycle Analysis Team is responsible creating efficient fuel bundle and core designs to support existing fleet customers and manufacturing with a focus on… more
    GE Vernova (07/11/25)
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