• Mechanical Designer 3

    Sargent & Lundy (Richland, WA)
    …in the development of mechanical general arrangements, piping systems, and supports + 3 + years of experience in the nuclear power industry + Experience in ... Description + As a member of the mechanical design team, this position will...energy. Since 1954, we've been a trusted leader in nuclear engineering, design , and licensing, with expertise… more
    Sargent & Lundy (11/13/25)
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  • Mechanical Designer

    System One (Bellevue, WA)
    Overview: System One is seeking a highly motivated Mechanical Designer to support the conceptual and preliminary design of advanced Generation IV nuclear ... reactors. This role focuses on creating structural and mechanical design solutions, 3D CAD models, and...process improvement and standards development Qualifications: * BS in Mechanical , Electrical, Chemical Engineering or equivalent and 3 more
    System One (12/14/25)
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  • Senior Electrical Engineer 2 - Nuclear

    Sargent & Lundy (Richland, WA)
    …in the design , modification, and analysis of new and existing nuclear power plant electrical systems. You will work on interesting and challenging projects ... Interface with project team members from other engineering and design disciplines ( Mechanical , Structural, Civil, I&C), +...team environment for industrial applications, with a focus on design for existing nuclear power plants +… more
    Sargent & Lundy (12/09/25)
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  • Lead Piping Stress Engineer 1 - Nuclear

    Sargent & Lundy (Richland, WA)
    …of clean, carbon-free energy. Since 1954, we've been a trusted leader in nuclear engineering, design , and licensing, with expertise spanning small modular ... and a lead technical resource on projects. Lead engineers support engineering design projects with the following responsibilities: + Reviews complex calculations and… more
    Sargent & Lundy (11/11/25)
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  • Senior Piping Stress Engineer 1 - Nuclear

    Sargent & Lundy (Richland, WA)
    …of clean, carbon-free energy. Since 1954, we've been a trusted leader in nuclear engineering, design , and licensing, with expertise spanning small modular ... to ensure requirements are met. Senior-Level staff support engineering design projects with the following responsibilities: + Prepares and...a hybrid work schedule and will require in-office work 3 days per week. Qualifications We do not sponsor… more
    Sargent & Lundy (11/11/25)
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  • HLW, Mechanical /Piping Field Engineer

    Bechtel Corporation (Richland, WA)
    …# Major Responsibilities: + Coordinate with engineering on constructability and design issues relating to mechanical equipment and related systems. ... objectives to create a lasting positive impact. We serve the Infrastructure; Nuclear , Security & Environmental; Energy; Mining & Metals, and the Manufacturing and… more
    Bechtel Corporation (12/10/25)
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  • Mechanical Engineer (Senior-Level) *Repost

    Hanford Tank Waste Operations & Closure, LLC (Richland, WA)
    Design Authority qualification for assigned systems * Engineering support to nuclear and/or non- nuclear mechanical systems, exhaust ventilation systems, ... the ITDC facilities and H2C Engineering. Duties of the mechanical engineer typically include design , analysis, testing,...and standards Familiarity with ASME B16.5, ASME B31.1, ASME B31. 3 , ASME AG-1 Experience in a nuclear more
    Hanford Tank Waste Operations & Closure, LLC (12/05/25)
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  • HLW, Mechanical Field Engineer

    Bechtel Corporation (Richland, WA)
    …objectives to create a lasting positive impact. We serve the Infrastructure; Nuclear , Security & Environmental; Energy; Mining & Metals, and the Manufacturing and ... this critical project. The DOE selected Bechtel's team of engineers to design , construct, and commission this multi-facility complex, known as the Waste Treatment… more
    Bechtel Corporation (10/24/25)
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  • Senior Process & Piping Design Engineer

    System One (Bellevue, WA)
    design solutions that advance the MCFR program toward a commercial nuclear power reactor. Responsibilities + Develop System Design Descriptions, Interface ... BS in Mechanical or related discipline + 12+ years' experience in industrial mechanical systems. + Proven experience in piping design & analysis (AutoPipe or… more
    System One (09/30/25)
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  • Mid-Level Engineer HYBRID (Engineer 3 )

    HII (Bremerton, WA)
    …functions in one or more of the following specialties: electronics, electrical, mechanical , civil, naval, and/or chemical. + Design and develop engineering ... (GS) group comprises live, virtual, constructive (LVC) solutions; fleet sustainment; nuclear and environmental; and Australia business. As a trusted partner to… more
    HII (11/29/25)
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  • Senior Resident Inspector (BWR/TL)

    Nuclear Regulatory Commission (Richland, WA)
    …but are not limited to: Managing, overseeing, and conducting inspections of nuclear facilities to assure compliance with design specifications. Initiating ... experience in nuclear plant operations, systems, integrated facility operations, and design . Such experience should have provided you with the full range of… more
    Nuclear Regulatory Commission (12/07/25)
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  • Computational Fluid Dynamics (CFD) Analyst

    System One (Bellevue, WA)
    … quality. * Collaborate across multidisciplinary teams to evaluate thermal and mechanical design considerations for reactor systems and components. Required ... Qualifications * Bachelor's degree in Mechanical , Nuclear , or Chemical Engineering (or equivalent)....using experimental data. * Experience integrating CFD results into mechanical or structural design workflows. System One,… more
    System One (10/21/25)
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  • Thermal Hydraulics Engineer

    System One (Bellevue, WA)
    …enhancements. + Collaborate with multidisciplinary teams to address thermal and mechanical design considerations for components, contributing to system ... efficiency and safety. Key Qualifications and Skills: + A Bachelor's degree in Mechanical , Nuclear , or Chemical Engineering (or equivalent) with a minimum of 5… more
    System One (12/14/25)
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  • Materials Engineer

    System One (Bellevue, WA)
    …environmentally assisted fatigue, creep, etc.) + Interface with project teams ( mechanical design , testing, radiochemistry, etc.) to ensure material development ... 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… more
    System One (12/14/25)
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  • Acoustic Systems Engineer

    ManTech International (Silverdale, WA)
    …the Carderock Acoustics program and will be involved in the engineering design review, operational analysis, and execution of Navy-related acoustic trials, primarily ... ideal candidate will leverage a strong background in electrical and mechanical engineering principles, coupled with deep operational experience, to lead technical… more
    ManTech International (12/07/25)
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  • Acoustic Systems Engineer

    ManTech (Silverdale, WA)
    …the Carderock Acoustics program and will be involved in the engineering design review, operational analysis, and execution of Navy-related acoustic trials, primarily ... ideal candidate will leverage a strong background in electrical and mechanical engineering principles, coupled with deep operational experience, to lead technical… more
    ManTech (12/03/25)
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  • Materials Engineer

    System One (Bellevue, WA)
    …of reports and test data (eg, metallography, non-destructive inspection, mechanical properties, ductility) and generate technical specifications to document new ... knowledge related to reactor design and qualification. + Oversee test programs designed to...test programs designed to develop an understanding of complex mechanical phenomena (eg creep, fatigue, creep fatigue, stress corrosion… more
    System One (12/14/25)
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  • Senior Electrical Engineer - Power Systems

    Pacific Northwest National Laboratory (Richland, WA)
    …of the American energy system; and resolving complex issues in nuclear science, energy, and environmental management. The Electricity Infrastructure and Buildings ... Adapt and apply information theory, communication theory, and control theory to design resilient energy systems with desired behaviors. + Research, develop, and… more
    Pacific Northwest National Laboratory (11/20/25)
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  • R&D Engineer/Scientist I

    Solstice Advanced Materials (Spokane, WA)
    …Metallurgical Engineering, Mechanical Engineering, or a closely related field. + 3 -6 years of experience in research and development within a technology or ... Targets and associated manufacturing processes. You will lead the design and development of a range of metal targets...+ MS or Ph.D. degree in Materials Science, Metallurgy, Mechanical Engineering, or a closely related discipline. + Knowledge… more
    Solstice Advanced Materials (11/01/25)
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  • Senior Control Systems Engineer

    System One (Everett, WA)
    …testing environment Key Qualifications and Skills + BS degree in Controls, Electrical, Mechanical , Chemical Engineering or equivalent and 3 + years of relevant ... testing activities. Responsibilities will include instrument and control system design , EPICS integration, and support of commissioning activities. The strongest… more
    System One (11/11/25)
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