nuclearhustle

Consequence Safety Methods Lead Engineer

TerraPower·Bellevue, WA, USA·Posted today
Nuclear industryUS only

About this role

TerraPower seeks a Consequence Safety Methods Lead Engineer to support the design and licensing of the Natrium® demonstration sodium-cooled fast reactor. You will lead methodology development and safety analysis for licensing basis events, source terms, radiological release consequences, and emergency planning zones. This role involves developing evaluation models, performing transient and accident analyses, and establishing analysis documentation to support NRC licensing of advanced reactor technology.

Responsibilities

  • Develop methodologies using a graded approach to the Evaluation Model Development and Assessment Process (EMDAP)
  • Develop assessment bases (benchmark, identify applicable tests) and assess evaluation models
  • Develop analytical and computational models in collaboration with safety analysis engineers
  • Perform transient and accident analyses to meet SFR program safety analysis needs
  • Work with interdisciplinary engineering teams to establish core and SSC functional, performance, safety, and quality requirements
  • Establish and maintain analysis of record and methodology documentation
  • Perform engineering reviews of analyses and other engineering design media
  • Contribute to implementation of capabilities for transient and accident analysis within the TerraPower software framework

Qualifications

  • M.S. or Ph.D. in nuclear engineering or other relevant engineering degree with at least 10+ years of nuclear industry experience (M.S. counts as 1 year; Ph.D. may count as up to 3 years)
  • Knowledge of nuclear systems thermal-hydraulic, fuel performance, reactor dynamics, accident source term, and transient phenomena
  • Significant experience with transient and accident analysis codes
  • Familiarity with nuclear design, regulatory requirements, and risk-informed performance-based technology guidance for Non-Light Water Reactors under Regulatory Guide 1.233
  • Familiarity with EMDAP and RG 1.203
  • Understanding of Appendix B to 10 CFR 50 and ASME NQA-1 requirements associated with analysis and software management
  • Experience working under a quality assurance program
  • Demonstrated strong quantitative, analytical, modeling, and reporting skills
  • Experience working in multi-disciplinary engineering teams
  • High degree of trust and integrity with strong communication skills

Desired

  • Direct experience interacting with US NRC on design and analysis methodology applications such as licensing topical reports
  • Experience with source term and radiological consequence codes
  • Experience with source term methods development
  • Experience with SFR safety methods (experience with other reactor designs can be considered)

Job details

FieldEngineering
LocationBellevue, WA, USA
IndustryNuclear energy
PostedJun 2026

About the company

TerraPower

A nuclear innovation company founded by Bill Gates, building the Natrium sodium-cooled fast reactor and advancing medical isotope production.

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Consequence Safety Methods Lead Engineer

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