Senior Mechanical Engineer ASME Lead
TerraPowerBellevue, Washington, United States$168k–$252k/yr
Good fit if
- You can work a hybrid schedule.
- You hold a PE license.
- You can travel 0 to 10% of the time.
Credentials that matter
Skills and tools
- ASME Codes
- ASME NQA-1
- ANSYS
- NRC Regulations
Required qualifications
- B.S. degree in Mechanical Engineering or equivalent
- Minimum eight years of equipment/component design experience (relevant M.S. degree credited as two years of experience)
- Active Professional Engineer (P.E.) license
- Working experience with ASME Boiler and Pressure Vessel Code Section III
- Demonstrated experience certifying Design Specifications and Design Reports for nuclear pressure-retaining components
- Deep understanding of ASME Section III, NQA-1, and related NRC regulations
- Experience in finite element stress analysis and commercial mechanical stress analysis modeling tools, with emphasis on ANSYS
- Excellent writing and communication skills
- Strong analytical and problem-solving skills
About this role
Senior Mechanical Engineer leading ASME Section III design, analysis, and certification of pressure boundary components for TerraPower's Natrium Generation IV sodium-cooled fast reactor. Design and certify reactor vessels, piping, valves, heat exchanger elements, and associated subcomponents to NRC standards while collaborating with multidisciplinary teams on next-generation nuclear reactor technology.
Responsibilities
- Perform detailed design, analysis, and documentation for ASME Section III Class HB pressure boundary components, including vessels, piping, valves, heat exchanger elements, and associated subcomponents
- Prepare design specifications, design reports, load evaluations, stress analyses, and code compliance calculations in accordance with ASME Section III rules and NRC guidance
- Conduct pressure boundary evaluations including fatigue, thermal, seismic, and time-dependent material evaluations
- Collaborate with multidisciplinary engineering teams to define design requirements, resolve technical issues, and optimize component performance
- Interface with internal quality teams, third-party reviewers, and regulatory bodies to support audits, design reviews, and code certification processes
- Support development of fabrication drawings, weld requirements, inspection criteria, material selection, and acceptance standards
- Participate in engineering change processes, nonconformance evaluations, and corrective action development
- Maintain current knowledge of ASME Section III revisions, NRC guidance, and industry best practices
- Provide technical mentorship to junior engineers as needed
Preferred qualifications
- Creative thinking approach to engineering challenges
Location, schedule, and travel
Bellevue, Washington; primarily sedentary work (sitting)
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