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[Nuclear Engineer] 100% REMOTE Nuclear System Transient Thermal Hydraulic Engineer

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Nuclear System Transient Thermal Hydraulic Engineer

This position will be a senior to principal system transient thermal hydraulic engineer role (5+ years exp). Candidates will be responsible for both plant-wide and component level thermal-hydraulic transients’ analysis with application to a sodium-cooled reactor program.
The successful candidate will support transient analyses for various reactor designs including novel systems. The analyses may involve the use of existing in-house and commercial codes or may involve generation of new code or augmentation of existing code. This position will interface with the safety group and other groups to accurately represent the different systems of the plant.

• Develop and apply thermal-hydraulic analysis methods, including steady state and transient one­ dimensional network hydraulic analysis.
• Perform calculations using the first principles of heat transfer, fluid dynamics, and thermodynamics to support and validate analysis results.
• Perform RELAP5-3D analysis of reactor normal operations, upset events, emergency events and faulted events as defined in the ASME BPVC Section Ill to establish design, service, and test loadings and limits.
• Perform multiscale and multidisciplinary analysis involving thermal hydraulics, neutronics, control, sodium, molten salt, and noncondeisble fluid dynamics.
• 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 {3+ years of experience for Senior level)
• Strong thermal-hydraulic analytical skills with one dimensional hydraulic network analysis, system codes experience and transient analysis experience
• Substantial (5-10 years) experience with RELAP, SAS4A/SSYS-1, GOTHIC, or other system code
• Familiarity with code V&V and NQA-1 requirements
• Experience with nuclear engineering design or operations a plus
• Knowledge of design approach under ASME Boiler Code Section Ill 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

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