System One · 3 months ago
Senior Nuclear Safety Analysis Engineer
Bellevue, WA
Contract
Onsite
Senior Level
$50/hr - $80/hr
5+ years expSystem One is seeking to contract with a Senior Nuclear Safety Analysis Engineer responsible for performing safety analyses of their client’s Demonstration reactor. The role involves supporting design transients analysis, Structures, Systems and Components classification, and developing analytical models and methods.
Staffing Agency
Responsibilities
Develop system models and perform safety analysis of Anticipated Operational Occurrence (AOO), Design Basis Event (DBE), and Design Basis Accident (DBA) for the Demonstration reactor
Collaborate with cross-functional teams to establish core and reactor SSC functional, performance, safety, and quality requirements as well as support the overall design
Collaborate with cross-functional teams to integrate NEI 18-04 Licensing Basis Event (LBE) analyses and findings into licensing documentation and project design activities
Contribute to the safety method development, such as code assessment, scaling analysis, code verification and validation activities, etc
Develop and maintain documentation of model development and analysis results
Perform engineering reviews of other engineering analysis and design deliverables, such as ASME design transients
Assess plant transient benchmark tests, identify applicable tests relevant to the reactor and perform benchmark calculations
Contribute to our client’s software framework implementation of capabilities required for transient and accident analysis
Qualification
Required
Extensive experience in nuclear safety analysis, nuclear reactor system modeling
Significant experience with safety analysis software such as RELAP5, TRACE, TRAC, SAS4A/SASSYS-1, or other nuclear system analysis software
Experience in transient and accident analysis for submittals to NRC, such as Chapter 15 in the Final Safety Analysis Report (FSAR), is highly desired
Knowledgeable of nuclear systems thermal-hydraulic fundamentals as well as reactor dynamics and transient phenomena
Knowledgeable of nuclear reactor core physics such as neutron transport theory and reactivity feedback
Knowledgeable of nuclear reactor instrumentation and control systems, and related modeling approaches in the safety analysis computer code
Familiarity with nuclear design, regulatory requirements, and risk-informed performance-based technology guidance for Non-Light Water Reactors is required
Demonstrated strong quantitative, analytical, modeling and reporting skills
Understanding 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
B.S., M.S. or Ph.D. in nuclear engineering, or other relevant engineering degree, with a minimum of 5 years' experience in the nuclear field
Preferred
Familiarity with EMDAP and Regulatory Guide 1.203 is preferred
Experience with SFR safety analysis or methods is highly desirable. Experience with other reactor designs, such as Light Water Reactors (LWRs), can be considered when differentiating candidates
Strong software engineering skills in any language, such as Python, Fortran, or C++, is a plus
Benefits
Health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
Company
System One
System One is a professional staffing firms.
5001-10000 employees
H1B Sponsorship
System One has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (5)
2024 (6)
2023 (9)
2022 (10)
2021 (9)
2020 (5)
Funding
Current Stage
Late StageTotal Funding
$301.8MKey Investors
TruistOaktree Capital ManagementProspect Capital Corporation
2021-01-28Debt Financing· $290M
2020-12-08Private Equity
2016-09-20Acquired
Leadership Team
Troy Gregory
Chief Executive Officer
Dan Moran
Chief Financial Officer
Recent News
2026-01-06
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