Senior Nuclear Safety Analysis Engineer
Bellevue, WA
Experience: 5
Education: BS
Category: Energy
Contractor Work Model: Remote
Brand: System One
Compensation Range: 69.00 - 115.00 Per Hour
Job ID: 341227
Date Posted: 03/06/2026
Shortcut: http://jobs.systemone.com/aMcQit
Job Title: Senior Nuclear Safety Analysis Engineer
Location: Bellevue, WA
Type: Contract (yearlong) typically extends on a yearly basis
Compensation: $69-$115 hourly
Contractor Work Model: Fully Remote
Paid Holidays | PTO
System One is seeking to contract with a Senior Nuclear Safety Analysis Engineer responsible for performing safety analyses of our client’s Demonstration reactor, and support design transients analysis, Structures, Systems and Components (SSC) classification, development of analytical models and methods, as well as uncertainty quantification and sensitivity calculation.
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.
Key Qualifications and Skills
- 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.
- 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.
- 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.
- Strong software engineering skills in any language, such as Python, Fortran, or C++, is a plus.
- B.S., M.S. or Ph.D. in nuclear engineering, or other relevant engineering degree, with a minimum of 10 years’ of experience for a B.S., 7 years experience with a M.S., and 5 years of experience with a PhD. in the nuclear field.
- The successful candidate will possess a high degree of trust and integrity, communicate openly and display respect and a desire to foster teamwork.
System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees 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.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
#M-
#LI-
#DI-
Ref: #161-Managed Staffing Charlotte
-
Senior Safety Verification and Validation Engineer
Bellevue, Washington
Job Title: Senior Safety Verification and Validation Engineer Type: Contract (12-months) Contractor Work Model: Remote About the Role: As a Senior Safety V&V Engineer, you will be instrumental in verifying and validating safety assessment models and so...
Date Posted: 03/09/2026 Recommended
-
Senior Safety Methodology Engineer
Bellevue, WA
Job Title: Senior Safety Methodology Engineer Location: Bellevue, WA Type: Contract Compensation: $67 - $110 hourly Contractor Work Model: Remote About This Opportunity System One is seeking to place a Senior Safety Methodology Engineer with our client...
Date Posted: 01/08/2026 Recommended
-
I&C Design Engineer Lead
Bellevue, WA
System One is seeking an experienced Instrumentation & Controls (I&C) Design Engineer to support advanced nuclear reactor development. This contract position supports system design, prototype development and testing, plant-level system integration, and...
Date Posted: 02/23/2026 Recommended
-
Instrumentation & Controls (I&C) Design Engineer
Bellevue, WA
I&C Design Engineer Company: System One Location: Remote Pay Rate: $69 – $115 per hour (based on experience) Job Type: Contract Duration: Long-Term Contract Position Overview System One is seeking an experienced Instrumentation & Controls (I&C) Design ...
Date Posted: 03/09/2026 Recommended
-
Senior Nuclear Mechanical / Structural Engineer (Reactor Analysis )
Cranberry Township , Pennsylvania
Job Title: Senior Nuclear Mechanical / Structural Engineer (Reactor Analysis ) 3 positions Location: Cranberry Township , Pennsylvania Contractor Work Model: Onsite Length of the assignments: 6 months to 2 years Start date: May 2026 LOCAL CANDIDATE PRE...
Date Posted: 03/18/2026 Recommended
-
Senior Safety Methods Engineer
Bellevue, WA
Job Title: Senior Safety Methods Engineer Location: Bellevue, WA Type: Contract (yearlong) typically extends on a yearly basis Compensation: $69 - $115 hourly Contractor Work Model: Fully Remote Paid holidays and PTO System One is seeking a Senior Safe...
Date Posted: 03/06/2026 Recommended
-
Plant Radiological Integration Engineer
Bellevue, WA
Job Title: Plant Radiological Integration Engineer Location: Bellevue, WA Type: Contract Compensation: $69 - $115 hourly System One is seeking a Plant Radiological Integration Engineer to support our client’s advanced nuclear reactor project. This role...
Date Posted: 03/12/2026 Recommended
-
Senior Procurement Engineer
Hancock’s Bridge, New Jersey
Job Title: Senior Procurement Engineer Location: Hancock’s Bridge, New Jersey Type: Contract - 10 month (through end of 2026) w/ Potential for Extension Contractor Work Model: Hybrid- 2 days/week in office (must be local) System One is seeking a Senior...
Date Posted: 03/06/2026 Recommended
-
Engineer Staff, Sr - Power
Tulsa, Oklahoma
Job Title: Engineer Staff, Sr - Power Location: Tulsa, Oklahoma Overview System One is seeking a Senior Staff Power Engineer to play a key role in shaping the future of electrical reliability and safety across major natural gas and petrochemical operat...
Date Posted: 03/03/2026 Recommended
-
Engineer Staff, Sr - Power (Salt Lake City)
Salt Lake City, Utah
Job Title: Engineer Staff, Sr - Power Location: Salt Lake City, Utah Overview System One is seeking a Senior Staff Power Engineer and play a key role in shaping the future of electrical reliability and safety across major natural gas and petrochemical ...
Date Posted: 03/03/2026 Recommended
-
Engineer Staff, Sr - Power (Houston)
Houston, Texas
Job Title: Engineer Staff, Sr - Power Location: Houston, Texas Overview System One is seeking a Senior Staff Power Engineer and play a key role in shaping the future of electrical reliability and safety across major natural gas and petrochemical operat...
Date Posted: 03/03/2026 Recommended
-
Engineer Staff, Sr - Power (Pittsburgh)
Pittsburgh, Pennsylvania
Job Title: Engineer Staff, Sr - Power Location: Pittsburgh, Pennsylvania Overview System One is seeking a Senior Staff Power Engineer who will play a key role in shaping the future of electrical reliability and safety across major natural gas and petro...
Date Posted: 03/03/2026 Recommended
-
Environmental and Seismic Engineer
Oak Ridge, Tennessee
Environmental & Seismic Engineer – Oak Ridge, TN Type: Direct Hire Work Model: Onsite System One is seeking an experienced Environmental and Seismic Engineer to support nuclear facility programs in Oak Ridge, TN. This role is essential to ensuring safe...
Date Posted: 03/02/2026 Recommended
-
Project Engineer - Industrial/Structural
Richland, Washington
Job Title: Project Engineer - Industrial/Structural Location: Richland, Washington Type: Contract To Hire Compensation: $55.00 - 60.00 hourly Contractor Work Model: Onsite Hours: Mon-Fri 8am-5pm Project Engineer - Industrial/Structural In a world of po...
Date Posted: 03/23/2026 Recommended
-
Electrical Engineer I, II, III
Vinita, OK
Job Title: Electrical Engineer Location: Vinita, OK Work Model: Hybrid Overview The Electrical Engineer provides technical support for substation relaying, metering design, system protection, communications configuration, and NERC compliance activities...
Date Posted: 02/25/2026 Recommended
-
Senior Nuclear Electrical Engineer
Stonington, Connecticut
Senior Nuclear Electrical Engineer Charlotte, NC 28273 or Stonington, CT 06378 System One is seeking a Senior Nuclear Electrical Engineer in Charlotte, NC or Stonington, CT to perform a variety of engineering and design activities involving power plant...
Date Posted: 12/30/2025 Recommended
-
Structural Design Engineer, Commercial Nuclear
Atlanta, Georgia
Job Title: Structural Design Engineer, Commercial Nuclear Location: Atlanta, Georgia Type: Contract Compensation: Contractor Work Model: Remote Hours: Add the job’s scheduled days and times (delete if not needed) Security Clearance: List security clear...
Date Posted: 01/08/2026 Recommended
-
Senior Nuclear Electrical Engineer
Charlotte, North Carolina
Senior Nuclear Electrical Engineer Charlotte, NC 28273 System One is seeking a Senior Nuclear Electrical Engineer in Charlotte, NC to perform a variety of engineering and design activities involving power plant upgrades and/or new power plant projects....
Date Posted: 12/30/2025 Recommended
-
Senior Engineer
Austin, Texas
Position Description Play a key role in supporting Austin-based growth initiatives. You’ll work on a wide range of pipeline and infrastructure projects that bring natural gas utility service to new subdivisions and commercial developments. We’re lookin...
Date Posted: 03/20/2026 Recommended
-
Electrical, Instrumentation & Controls Engineer
New Castle, Delaware
Job Title: Electrical, Instrumentation & Controls Engineer Location: New Castle, Delaware Type: Direct Hire Compensation: $95000 - $125000 annually Contractor Work Model: Onsite Job Summary: The Electrical, Instrumentation & Controls Engineer is respon...
Date Posted: 02/09/2026 Recommended
-
Senior Electrical Engineer
Downers Grove, IL
Job Title: Senior Electrical Engineer Location: Downers Grove, IL Type: Contract (Contract to Direct Possible) Duration: 6 months Compensation: $67.40 - $82 (Flexibility DOE) Contractor Work Model: Onsite Hours: 40 hours/week (Monday - Thursday 7:30am ...
Date Posted: 02/24/2026 Recommended
-
Traffic Engineer PE
Houston, Texas
Job Title: Traffic Engineer (PE) Location: Houston, Texas Type: Direct Hire Contractor Work Model: Onsite System One is assisting a client in hiring a Traffic Engineer PE. The ideal candidate will demonstrate expertise and strong relationships with TXD...
Date Posted: 02/06/2026 Recommended
-
Construction Project Manager
Tulsa , Oklahoma
Job Title: Construction Project Manager Location: Tulsa , Oklahoma Responsible for managing and coordinating assigned construction projects from initiation through execution to successful completion. This role involves managing timelines, budgets, reso...
Date Posted: 02/27/2026 Recommended
-
Drainage Engineer
Guaynabo, Puerto Rico
Job Title: Drainage Engineer Location: Guaynabo, Puerto Rico Type: Direct Hire Compensation: $72000 - $93000 annually Contractor Work Model: Onsite System One is actively seeking a Drainage Engineer for a direct hire opportunity with a client in Guayna...
Date Posted: 01/20/2026 Recommended
-
Project Engineer - Industrial/Mechanical
Richland, Washington
Job Title: Project Engineer - Industrial/Mechanical Location: Richland, Washington Type: Contract To Hire Compensation: $55.00-60.00 / hourly Contractor Work Model: Onsite Hours: Mon-Fri. 8am-5pm Project Engineer - Industrial/Mechanical In a world of p...
Date Posted: 03/23/2026 Recommended
-
Senior Project Engineer
Cambridge, Massachusetts
Job Title: Senior Project Engineer Location: Cambridge, Massachusetts Type: Direct Hire Compensation: $160000 - $210000 annually Contractor Work Model: Hybrid System One is currently seeking a Senior Project Engineer on a direct hire position located i...
Date Posted: 02/03/2026 Recommended
-
OSP Engineer
Salem, OR
Mountain Ltd. has an opening for a Remote OSP Engineer to work in the Salem, OR area. Since 1979, Mountain Ltd. has successfully created and supported turnkey engineering solutions for traditional and wireless telecom providers across the United States...
Date Posted: 02/24/2026 Recommended
-
Lead Control Panel Tech
Bridgeville, PA
Lead Control Panel Tech Bridgeville, PA Type: Direct Hire Compensation: $58,240.00 Contractor Work Model: Onsite Hours: 40.0 Security Clearance: not specified in the description Responsibilities Assemble and wire electrical control panels following pro...
Date Posted: 03/17/2026 Recommended
-
Sr. Metallurgist Process Engineer
Austintown, Ohio
Job Title: Sr. Metallurgist Process Engineer Location: Austintown, Ohio Type: Contract Compensation: 120-130K Contractor Work Model: Onsite – onsite Hours: 40.0 Responsibilities Direct and oversee casting and metallurgical programs to enhance operation...
Date Posted: 03/20/2026 Recommended
-
Chemist - Industrial Manufacturing
Spring Grove, Pennsylvania
Job Title: Chemist 1 Location: Spring Grove, Pennsylvania Type: Direct Hire Chemist – Analytical Science & Innovation Join a dynamic technical team where your analytical expertise will directly support product development, operations, quality, environm...
Date Posted: 03/19/2026 Recommended