Thermal-Hydraulics Engineer – Level 4
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Job Description
Thermal-hydraulics engineer developing nuclear reactor safety analyses for NuScale Power. Executing RELAP and VIPRE evaluations, supporting licensing, reload safety, and SMR development.
Responsibilities:
- Report to the Manager, Thermal Hydraulics
- Collaborate with Nuclear Methods, Nuclear Design, Code Development, Engineering, and Operations teams
- Execute and review system-level thermal-hydraulic evaluations using RELAP
- Execute and review subchannel analyses using VIPRE
- Prepare and verify VIPRE subchannel analyses, including CHF predictions and margin evaluations
- Prepare and verify RELAP system-level evaluations, including LOCA, non-LOCA transients, and design-basis evaluations
- Evaluate system designs, operating functions, and engineered features for required safety functions
- Recommend design modifications that preserve safety margins and system performance
- Lead cross-functional thermal-hydraulic reviews for reload safety analyses, design changes, operational concepts, and licensing deliverables
- Identify margin sensitivities and cross-discipline interface impacts
- Support development and maintenance of licensed thermal-hydraulic methods and implementing analyses
- Maintain thermal-hydraulic modeling standards and evaluate method applicability ranges
- Advise on code and model updates
- Support application of licensed methods to alternate regulatory frameworks and country-specific regulatory expectations
- Manage interfaces with core and fuel design, subchannel thermal hydraulics, and transient analysis
- Provide technical leadership, mentor junior engineers, and lead complex analysis tasks
- Contribute to licensing technical/topical reports, license applications, and other licensing documentation
- Participate in licensing interactions with the government regulator
- Prepare and verify engineering reports, calculations, studies, system descriptions, requirement specifications, and design documents
- Develop innovative solutions to multifaceted technical challenges using multi-physics reasoning
- Independently frame problems, propose solution strategies, and execute analyses with minimal oversight
- Support changing organizational priorities, including urgent analyses, cross-functional reviews, troubleshooting, and special studies
- Perform other duties as assigned
Requirements:
- Minimum B.S. degree in Nuclear, Mechanical, or Chemical Engineering (or related discipline) from a four-year accredited college or university
- Advanced degree in Nuclear, Mechanical, or Chemical Engineering desirable
- Minimum 8 years of full-time, directly relevant engineering experience
- Experience implementing engineering design processes for subchannel thermal-hydraulics, transient analysis, and related safety analysis
- Experience in neutronics or fuel performance preferred
- Eligible to work under Department of Energy 10 CFR Part 810
- Understanding and implementation of quality assurance regulations, standards, and guidelines of 10 CFR 50 Appendix B, 10 CFR 21, and ASME NQA-1
- Ability to understand and communicate clearly using phones, personal interaction, and computers
- Ability to learn new job functions and comprehend, understand, and apply new concepts quickly in a rapidly evolving environment
- Ability to travel nationally and locally using common forms of transportation
- Ability to perform essential duties efficiently and accurately with or without reasonable accommodation without causing significant safety threat to self or others
Benefits:
- Remote work for individuals living beyond a 30-mile radius of a physical NuScale office and within the contiguous United States
- Equal opportunity employment
- Reasonable accommodations for individuals with disabilities
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