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Plant Integrated Analysis Engineer

System One • Bellevue, WA • 1d ago

Location: Bellevue, WA

Job Type: Contract

Work Model: Hybrid (Primarily Remote)

Schedule: 40 hours/week

System One is seeking a highly motivated Plant Integrated Analysis Engineer to support the development of advanced sodium-cooled nuclear reactor technology. This role will focus on plant-level thermal-hydraulic analysis, transient modeling, and control system performance to support reactor design, safety, and operational excellence.

Working as part of a multidisciplinary engineering team, you'll collaborate with safety, instrumentation & controls (I&C), and system design engineers to model, analyze, and validate complex plant systems.

Responsibilities

Develop and maintain RELAP5-3D models for steady-state and transient one-dimensional hydraulic network analyses.

Perform plant-level thermal-hydraulic analyses for normal operating conditions, upset events, and emergency scenarios.

Develop, evaluate, and optimize plant control strategies and component-level control systems.

Perform first-principles engineering calculations involving heat transfer, fluid dynamics, and thermodynamics.

Analyze plant-wide transients to support operational strategies and reactor design improvements.

Conduct multidisciplinary analyses involving sodium, molten salt, and non-condensable fluid systems.

Collaborate with system, component, fuel, safety, and I&C engineering teams.

Support the development, validation, and improvement of analytical methods and modeling approaches.

Prepare technical documentation and communicate analysis results to cross-functional engineering teams.

Required Qualifications

Bachelor's degree or higher in Nuclear Engineering, Mechanical Engineering, Electrical Engineering, or a related engineering discipline.

Experience using thermal-hydraulic system analysis codes such as RELAP5 or TRACE.

Strong experience performing one-dimensional hydraulic network and transient thermal-hydraulic analyses.

Solid understanding of heat transfer, fluid mechanics, and thermodynamics.

Excellent analytical, technical writing, and communication skills.

Preferred Qualifications

Experience modeling plant control systems and Instrumentation & Controls (I&C).

Background supporting commercial or advanced nuclear power plant design or operations.

Experience developing or improving analytical methods and engineering models.

Experience working within a highly regulated engineering environment.

Additional Information

Travel: Up to 5%

Work Environment: Primarily remote with occasional onsite collaboration.

Physical Requirements: Standard office environment with the ability to sit or stand for extended periods and lift up to 25 pounds as needed.

System One, and its subsidiaries including Joulé, ALTA IT Services, CM Access, TPGS, and MOUNTAIN, LTD., are leaders in delivering workforce solutions and integrated services across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible full-time employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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