• Plant Design Integration…

    System One (Bellevue, WA)
    …- $95 hourly Contractor Work Model: Remote System One is seeking to contract with a Plant Integration Engineer to support the integration , oversight, and ... processes, and plant level design deliverables. The Plant Integration Engineer will work...team members, including those in partner organizations, to develop nuclear island plant integration deliverables… more
    System One (12/18/25)
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  • Plant Radiological Integration…

    System One (Bellevue, WA)
    …$115 hourly System One is seeking a Plant Radiological Integration Engineer to support our client's advanced nuclear reactor project. This role focuses ... Job Title: Plant Radiological Integration Engineer ...Nuclear Island System, Structure, and Component (SSC) design integration with plant radiological design, analysis, and… more
    System One (12/26/25)
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  • Plant Integration Engineer

    System One (Bellevue, WA)
    Plant Integration Engineer - Mechanical & Process Systems (Long-Term Contract) Pay Rate: $69-$115/hr - Remote with occasional travel Employer: System One ... Project: Advanced Nuclear - Natrium Demonstration Plant (Kemmerer, WY) System One is seeking an experienced Plant Integration Engineer - Mechanical &… more
    System One (12/26/25)
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  • Nuclear Methods Engineer

    System One (Bellevue, WA)
    Job Title: Nuclear Methods Engineer Location: Remote Type: Contract (yearlong) typically extends on a yearly basis Compensation: $56 - $95 hourly Contractor Work ... | PTO System One is seeking a highly motivated Nuclear Methods Engineer to support nuclear...You'll collaborate with the modeling and simulation lead, MCFR plant design engineers, and the nuclear validation… more
    System One (12/26/25)
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  • Risk-Informed Design Integration…

    System One (Bellevue, WA)
    Job Title: Risk-Informed Design Integration Engineer Location: Bellevue, WA Type: 12-month Contract Compensation: $54 - $90 hourly Contractor Work Model: Onsite ... Job Title: Risk-Informed Design Integration Engineer (Contract) Overview: We are seeking...nuclear facility design or operations, with expertise in plant or systems engineering, design engineering, or licensing. +… more
    System One (12/18/25)
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  • Primary Heat Transport System Design…

    System One (Bellevue, WA)
    …a light water reactor. In this role, you will act as a system design engineer for our client's advanced nuclear reactor projects or other highly technical ... design activities within a system, as well as their integration with an overall plant design delivery...disciplines (such as mechanical, instrumentation and controls, civil, and nuclear ) to identify and develop plant design… more
    System One (12/26/25)
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  • I&C System Design Engineer

    System One (Bellevue, WA)
    …603, IEEE 7-4.3.2, and IEEE 497 is preferred. + Understanding of quality assurance in nuclear power plant design control, including 10 CFR 50 Appendix B and ASME ... Job Title: I&C System Design Engineer Type: Contract Compensation: $84 - $135 hourly...instrumental in developing instrumentation and control systems for advanced nuclear technologies. This position offers an exciting opportunity to… more
    System One (01/06/26)
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  • Senior Chemical Engineer /Scientist

    Hanford Tank Waste Operations & Closure, LLC (Richland, WA)
    …of Process Engineering, Design Engineering, Nuclear Safety, Plant /System Engineering, Construction Project Engineering, Flowsheet Integration , Process ... Title Senior Chemical Engineer /Scientist Position Number 40801 Company Hanford Tank Waste...management, or flow sheet development. * Experience in the nuclear industry (commercial, international, or DOE), technology development, or… more
    Hanford Tank Waste Operations & Closure, LLC (12/23/25)
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  • Acoustic Systems Engineer

    ManTech International (Silverdale, WA)
    …programming, such as MATLAB, VHDL, C, Java, or Python + Experience with nuclear power plant operations and enforcing rigorous programmatic standards is highly ... with MANTECH! MANTECH seeks a highly motivated, career and customer-oriented Acoustics Systems Engineer to join our team in Silverdale, WA. This is an onsite… more
    ManTech International (01/06/26)
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  • Acoustic Systems Engineer

    ManTech (Silverdale, WA)
    …programming, such as MATLAB, VHDL, C, Java, or Python + Experience with nuclear power plant operations and enforcing rigorous programmatic standards is highly ... **MANTECH** seeks a highly motivated, career and customer-oriented **Acoustics Systems Engineer ** to join our team in **Silverdale, WA.** This is an **onsite**… more
    ManTech (12/03/25)
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