Senior Nuclear Safety Analysis Engineer
Bellevue, WA
Experience: 15
Education: MS
Category: Energy
Contractor Work Model: Remote
Brand: System One
Compensation Range: 102.00 - 130.00 Per Hour
Job ID: 331435
Date Posted: 10/28/2026
Shortcut: http://jobs.systemone.com/DYBawn
Job Title: Senior Nuclear Safety Analysis Engineer
Type: Contract (Yearlong) typical extends on a yearly basis
Compensation: $102- $130 hourly
Contractor Work Model: Remote
System One is seeking a Senior Nuclear Safety Analysis Engineer for a long-term, fully remote contract. Must have significant experience with safety analysis codes such as SAS4A/SASSYS-1, GOTHIC, RELAP5, TRACE, MELCOR, MACCS, RADTRAD or equivalent and at least 15+ years of experience in the nuclear field.
The successful candidate will be part of a growing team supporting the design and licensing of the demonstration reactor and is primarily responsible for performing design and licensing analyses and developing associated methodologies in the following areas:
- Analysis of design and licensing basis events
- Mechanistic source terms
- Radiological release and consequences
Responsibilities
- Perform transient and accident analyses to meet the safety analysis needs of the SFR program.
- Develop analytical and computational models in collaboration with safety analysis engineers.
- Develop methodologies using a graded approach to the Evaluation Model Development and Assessment Process (EMDAP).
- Collaborate with safety verification and validation engineers to develop assessment bases (benchmark, identify applicable tests, etc.) and asses the evaluation model.
- Work with an interdisciplinary team of engineers to establish core and reactor SSC functional, performance, safety, and quality requirements as well as support the overall design.
- Establish and maintain analysis of record and methodology documentation.
- Perform engineering reviews of analyses and other engineering design media.
- Contribute, as needed, to the implementation of capabilities required for transient and accident analysis within our client’s software framework.
Key Qualifications and Skills
- M.S. or Ph.D. in nuclear engineering, or other relevant engineering degree, with at least 15+ years of experience in the nuclear field.
- Knowledgeable of nuclear systems thermal-hydraulic, fuel performance, reactor dynamics, and transient phenomena.
- Direct experience with the US NRC on design and analysis methodology licensing topical report(s) is required.
- Significant experience with safety analysis codes such as SAS4A/SASSYS-1, GOTHIC, RELAP5, TRACE, MELCOR, MACCS, RADTRAD or equivalent.
- Familiarity with nuclear design, regulatory requirements, and risk-informed performance-based technology guidance for Non-Light Water Reactors under Regulatory Guide (RG) 1.233 is required.
- Familiarity with EMDAP and RG 1.203 is required.
- Experience with SFR safety methods is highly desirable. Experience with other reactor designs can be considered when differentiating candidates.
- Demonstrated strong quantitative, analytical, modeling and reporting skills.
- Understanding of Appendix B to 10 CFR 50 and ASME NQA-1 requirements associated with analysis and software management as well as experience working under a quality assurance program.
- Experience in working in multi-disciplinary engineering teams to address engineering challenges.
- Strong communication skills desired.
- The successful candidate will possess a high degree of trust and integrity, communicate openly and display respect, and a desire to foster teamwork.
- Actual position starting level and title will be determined based on assessment of qualifications.
- Candidates must be legally authorized to work permanently in the U.S. without visa sponsorship now or in the future.
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