• Senior Engineer, Thermal Hydraulics

    System One (Bellevue, WA)
    …like project thermophysical properties or experimental datasets Key Qualifications and Skills + PhD in Mechanical, Chemical, or Nuclear Engineering +3-5 years of ... related experience OR MS degree plus 6-8 years of related experience OR a Bachelor's degree with 10-15 years of related experience + Experience implementing experimental methods in thermal-fluid systems, model validation, or interfacing with experimental teams… more
    System One (01/17/26)
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  • Core Component Structural Analyst

    System One (Bellevue, WA)
    …and experienced Structural Analyst to support our client in the advanced nuclear industry. This role focuses on analyzing the mechanical performance of core ... work closely with a multidisciplinary engineering team developing next-generation nuclear reactor technology. Responsibilities + Perform structural and stress… more
    System One (12/26/25)
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  • Reactor Core and Component System Design Engineer

    System One (Bellevue, WA)
    …and scientists to deliver safe, reliable, and efficient solutions in the nuclear energy space. Key Responsibilities: + Collaborate with a geographically diverse ... + Apply engineering principles, methods, and tools in the design of nuclear and industrial facilities and their associated systems. + Coordinate analyses such… more
    System One (12/26/25)
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  • Materials Engineer

    System One (Bellevue, WA)
    …Senior Engineer, Principal Engineer) to support the engineering efforts of the advanced nuclear reactor technology. This role will be a part of a high functioning ... education and experience + Materials Engineer: Bachelor's degree, Master's degree or PhD . + Senior Materials Engineer: Bachelor's degree with minimum 6 years related… more
    System One (12/26/25)
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  • Chemist 2

    Pacific Northwest National Laboratory (Richland, WA)
    …on complex, real-world threats to our nation and the world. The Nuclear , Chemical, and Biological Technologies Division, within the National Security Directorate, ... such as explosives detection, biological threat detection, chemical and nuclear forensics, and special nuclear materials. **Responsibilities** Applicants… more
    Pacific Northwest National Laboratory (01/14/26)
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  • Advisor 5

    Pacific Northwest National Laboratory (Richland, WA)
    …or higher and 11 years of relevant experience Preferred Qualifications: + PhD in Radiochemistry, Chemistry, Chemical Engineering, Nuclear Engineering, Materials ... and mentors diverse, high-performing teams across radiochemistry, chemical engineering, nuclear engineering, materials science, and related fields. The sector lead… more
    Pacific Northwest National Laboratory (12/12/25)
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  • Geomechanics Researcher

    Pacific Northwest National Laboratory (Richland, WA)
    …security of the American energy system; and resolving complex issues in nuclear science, energy, and environmental management. The Earth Systems Science Division, ... and 2 years of relevant experience -OR- + MS/MA -OR- + PhD Preferred Qualifications: + Ph.D. in Mechanical Engineering, Structural Geology, Geophysics, Petroleum… more
    Pacific Northwest National Laboratory (11/01/25)
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  • Associate Laboratory Director (ALD), National…

    Pacific Northwest National Laboratory (Richland, WA)
    …workforce and oversee distinct capabilities within the directorate to include nuclear , chemical, and biological technologies, data science and engineering and ... with key stakeholders across the US Department of Energy, the National Nuclear Security Administration (NNSA), the Department of Homeland Security, the Department of… more
    Pacific Northwest National Laboratory (12/25/25)
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  • Chief Materials Scientist - Magnetic Materials

    Pacific Northwest National Laboratory (Richland, WA)
    …security of the American energy system; and resolving complex issues in nuclear science, energy, and environmental management. The Energy Processes and Materials ... MS/MA and 7+ years of relevant experience -OR- + PhD with 5+ years of relevant experience Preferred Qualifications:...with 5+ years of relevant experience Preferred Qualifications: + PhD with 10+ years of research or industrial experience… more
    Pacific Northwest National Laboratory (01/06/26)
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  • Principal R&D Engineer/Scientist

    Solstice Advanced Materials (Spokane, WA)
    …risk mitigation strategies **Qualifications** **MUST HAVE** + A MS or PhD degree in Metallurgy/Materials Science, Chemical Engineering or related discipline with ... focus on powder metallurgy or ceramics, or 15+ years' experience without a PhD + Minimum 10 years of metal and/or refractory powder processing and related products… more
    Solstice Advanced Materials (11/07/25)
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