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System Transients Analysis Engineer

Company: System One
Location: Bellevue
Posted on: November 22, 2021

Job Description:

**Long term contract that will--convert to--permanent/direct hire for the right candidate. Must have MS or Ph.D. and 5+ years of RELAP or other nuclear system code experience to be presented to our client. This is a 100% remote opportunity!** Reporting to Manager, Thermal Hydraulics, the System Transients Analysis Engineer is responsible for both thermal-hydraulics plant-wide and component level transient analysis with application to the sodium-cooled reactor program.-- The successful candidate will support transient analyses for various reactor designs including novel systems. --The analyses may involve use of existing in-house and commercial codes or may involve generation of new code or augmentation of existing code.-- They will interface with the safety group and other groups to accurately represent the different systems of the plant. Responsibilities

  • Develop and apply thermal-hydraulic analysis methods, including steady state and transient one-dimensional network hydraulic analyses.
  • Perform calculations using first principles of heat transfer, fluid dynamics, and thermodynamics to support and validate analysis results.
  • Perform analysis of reactor normal operations, upset events, emergency events and faulted events as defined in the ASME BPVC Section III to establish design, service, and test loadings and limits.
  • Perform multiscale and multidisciplinary neutronics and control analyses involving the thermal hydraulics of sodium, molten salt, and non-condensable fluids.
  • Integrate with other engineering groups performing aspects of component, system, fuel, and control system design and related thermal-hydraulic testing.
  • Perform code benchmarking and validation analyses to support code qualification and methodology development. Key Qualifications and Skills
    • M.S. or PhD in nuclear or mechanical engineering.
    • Strong thermal-hydraulic analytical skills with one dimensional hydraulic network analysis, system codes experience and transient analysis.
    • Substantial (5-10 years) experience with RELAP, SAS4A/SSYS-1, GOTHIC, or other system code.
    • Familiarity with code V&V and associated regulatory requirements.
    • Experience with nuclear power plant design or operations a plus.
    • Knowledge of design approach under ASME Boiler Code Section III a plus.
    • Experience developing new analytical methods highly desirable.
    • Experience with first-of-a-kind or high temperature nuclear reactor design projects is a plus.
    • Strong technical writing skills.
    • Effective communication skills.

Keywords: System One, Bellevue , System Transients Analysis Engineer, Other , Bellevue, Washington

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