• Senior Engineer

    System One (Bellevue, WA)
    System One is seeking an experienced Senior Mechanical Engineer to support the design and development of reactor structures and components for a next-generation ... on high-integrity nuclear equipment design and requires deep expertise in ASME Section III nuclear design and certification. The Senior Engineer will work within… more
    System One (01/06/26)
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  • Materials Engineer

    System One (Bellevue, WA)
    Job Title: Materials Engineer Location: Bellevue, WA & Everett, WA Type: Contract Compensation: $52 - $85 hourly Contractor Work Model: Onsite We are seeking a ... Materials Engineer (level...teams (mechanical design, testing, radiochemistry, etc.) to ensure material development and testing efforts meet program objectives + Work… more
    System One (12/26/25)
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  • System Design Engineer , Sodium Cover Gas…

    System One (Bellevue, WA)
    Job Title: System Design Engineer , Sodium Cover Gas System Location: Bellevue, WA Type: Contract (yearlong) typically extends on a yearly basis Compensation: $52.00 ... | PTO System One is seeking a System Design Engineer for a fully remote, long-term contract position. The...is focused on system design, analysis, systems engineering, and supplier oversight. In this role, you will act as… more
    System One (01/13/26)
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  • Senior Mechanical Design Engineer

    System One (Bellevue, WA)
    Job Title: Senior Mechanical Design Engineer Location: Bellevue, WA Type: Contract (yearlong) typically extends on a yearly basis Compensation: $56 - $95 hourly ... Remote System One is seeking a Senior Mechanical Design Engineer . In this role, you will create design solutions...role, you will create design solutions for the design development of various nuclear reactor structures and components. Candidates… more
    System One (01/06/26)
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  • Fuel Handling Mechanical Design Engineer

    System One (Bellevue, WA)
    Job Title: Fuel Handling Mechanical Design Engineer Location: Bellevue, WA Type: 12-month Contract Contractor Work Model: Remote Position Overview: We are seeking a ... dynamic and highly motivated Fuel Handling Mechanical Design Engineer for a long-term contract opportunity with a remote model. In this role, you will play a crucial… more
    System One (12/18/25)
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