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: 10/27/2025
Shortcut: http://jobs.systemone.com/wPOuCc
Job Title: Senior Nuclear Safety Analysis Engineer
Location: Bellevue, WA
Type: Contract (yearlong)
Compensation: $69-$115 hourly
Contractor Work Model: Remote
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 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: 09/29/2025 Recommended
-
Fuel Handling Mechanical Design Engineer
Bellevue, WA
Job Title: Fuel Handling Mechanical Design Engineer Location: Bellevue, WA Type: 12-month Contract Contractor Work Model: Remote Position Overview: We are seeking a dynamic and highly motivated Fuel Handling Mechanical Design Engineer for a long-term c...
Date Posted: 11/12/2025 Recommended
-
Materials Engineer
Bellevue, WA
Job Title: Materials Engineer Location: Bellevue, WA & Everett, WA Type: Contract Compensation: $52 - $85 hourly Contractor Work Model: Onsite We are seeking a Materials Engineer (level to be determined based upon qualifications – Engineer, Senior Engi...
Date Posted: 12/01/2025 Recommended
-
Nuclear Mechanical Design Engineer
Bellevue, Washington
Job Title: Senior Mechanical Design Engineer Location: Remote Pay Range: $52–$85/hour Overview: System One is seeking a highly motivated and resourceful Senior Mechanical Design Engineer to support the conceptual and preliminary design development of v...
Date Posted: 11/03/2025 Recommended
-
Senior Mechanical Design Engineer
Bellevue, Washington
Job Title: Senior Mechanical Design Engineer Type: Contract Compensation: $54 - $90 hourly Contractor Work Model: Remote System One is actively seeking a Sr. Mechanical Design Engineer to support the development of advanced nuclear reactor technology. ...
Date Posted: 09/23/2025 Recommended
-
Senior System Design Engineer
Bellevue, Washington
Job Title: Senior System Design Engineer Compensation: $69 - $115 hourly Contractor Work Model: Remote System One is seeking a highly capable and motivated Senior System Design Engineer to support fluid systems and supplier integration activities for a...
Date Posted: 12/01/2025 Recommended
-
Senior Safety Methods Engineer
Bellevue, WA
Job Title: Senior Safety Methods Engineer Location: Bellevue, WA (local candidates only) Type: Contract (yearlong) typically extends on a yearly basis Compensation: $69 - $115 hourly Contractor Work Model: Onsite Paid holidays and PTO System One is see...
Date Posted: 11/24/2025 Recommended
-
Risk-Informed Design Integration Engineer
Bellevue, WA
Job Title: Risk-Informed Design Integration Engineer Location: Bellevue, WA Type: 12-month Contract Compensation: $54 - $90 hourly Contractor Work Model: Onsite Job Title: Risk-Informed Design Integration Engineer (Contract) Overview: We are seeking a ...
Date Posted: 12/01/2025 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: 11/04/2025 Recommended
-
Senior Process & Piping Design Engineer
Bellevue, Washington
MCFR Senior Process & Piping Design Engineer – Contract REMOTE $67 – $110/hour System One is seeking a Senior Process & Piping Design Engineer to support the Molten Chloride Fast Reactor (MCFR) program with direct contributions to the Molten Chloride R...
Date Posted: 10/28/2025 Recommended
-
Rotating Machinery SME
Bellevue, WA
Job Title: Rotating Machinery SME Type: Long-term Contract Contractor Work Model: Remote We are seeking a Rotating Machinery Subject Matter Expert (SME) to collaborate with suppliers and play a pivotal role in engineering efforts. Reporting to the Syst...
Date Posted: 11/12/2025 Recommended
-
Senior Director of Nuclear Plant Services
Houston, Texas
Senior Director, Nuclear Plant Services System One has a great opportunity for a Senior Director of Nuclear Plant Services, preferably based in the Houston area. The Senior Director of Nuclear Plant Services will lead the development, optimization, and...
Date Posted: 11/19/2025 Recommended
-
Nuclear Island Resident Engineer
Loveland, Colorado
Nuclear Island Resident Engineer Location: Onsite in Loveland, CO Pay Rate: $50–$80/hour Position Type: Contract (via System One) System One is seeking a highly motivated Nuclear Island Resident Engineer to support supplier activities on-site at James ...
Date Posted: 10/07/2025 Recommended
-
Nuclear Digital I&C IV&V Engineer
Corvallis, Oregon
Job Title: Nuclear Digital I&C IV&V Engineer Type: Contract Contractor Work Model: Remote (with potential travel requirements) As a Nuclear Digital I&C Independent Verification and Validation (IV&V) Engineer, you will play a crucial role in overseeing ...
Date Posted: 12/02/2025 Recommended
-
Structural Engineer
Guaynabo, Puerto Rico
System One is seeking a Structural Engineer in Guaynabo Puerto Rico for a direct hire! Summary: Lead and contribute to the structural design and analysis of bridges and other transportation related structures, ensuring compliance with industry standard...
Date Posted: 10/22/2025 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: 11/20/2025 Recommended
-
Pipe Stress Engineer
Naperville, IL
Job Title: Pipe Stress Engineer Location: Naperville, IL Work Model: Remote or Hybrid Options Available System One is seeking an experienced Pipe Stress Analysis Engineer to support one of our key clients in the power and energy sector. This position i...
Date Posted: 11/24/2025 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: 11/20/2025 Recommended
-
Plant Integration Engineer
Bellevue, Washington
TITLE: Plant Integration Engineer – (Agency Contract) Plant Layout and 3D Model Development position Location: Bellevue, WA, USA (Onsite) Pay Range: $67–$110/hour System One is seeking a Plant Integration Engineer to support nuclear plant design and in...
Date Posted: 09/15/2025 Recommended
-
Structural Engineer
Bolingbrook, Illinois
Job Title: Structural Engineer Location: Bolingbrook, Illinois Type: Contract to Direct Compensation: $45/hr plus or minus depending on expereince Contractor Work Model: Onsite Hours: 5 – 8 hours day System One is seeking a Structural Engineer for a co...
Date Posted: 10/13/2025 Recommended
-
Mechanical Engineer
Morgantown, WV
About the Role We are seeking a skilled Mechanical Engineer with expertise in hydraulics and AutoCAD Inventor to join our engineering team in Morgantown, WV. The ideal candidate will have a strong foundation in mechanical design principles and hands-on...
Date Posted: 10/31/2025 Recommended
-
Sales Engineer
Chattanooga, TN
Sales Engineer – Nuclear Manufacturing Location: Chattanooga, TN | Experience Preferred: 10+ Years System One is looking for an experienced Sales Engineer for a direct hire opportunity for our client in Chattanooga, TN. In this role, you will serve as ...
Date Posted: 11/24/2025 Recommended
-
Senior Civil/Structural Engineer
Lake Mary, FL
Job Title: Senior Civil/Structural Engineer Location: Lake Mary, FL Type: Direct Hire Compensation: $115000 - $135000 annually Overview A leading engineering organization is seeking a highly skilled Senior Civil and Structural Engineer to take ownershi...
Date Posted: 11/19/2025 Recommended
-
Electrical CAD Drafter
Tampa, FL
System One is looking for an Electrical CAD Drafter in Tampa, FL POSITION SUMMARY The Electrical CAD Drafter is responsible for drawing and detailing electrical components and complex electric assemblies using AutoCAD software. The ECAD Drafter works c...
Date Posted: 11/04/2025 Recommended
-
Civil/Structural Engineer III
Lake Mary, FL
Job Title: Civil/Structural Engineer III Location: Lake Mary, FL Type: Direct Hire Compensation: $100000 - $125000 annually Work Model: Onsite Engineer III, Civil & Structural Overview A leading engineering organization is seeking an experienced Engine...
Date Posted: 11/19/2025 Recommended
-
Licensing Engineer 3
Rockville, Maryland
Licensing Engineer 3 – Full Time – Onsite (Rockville, Maryland) System One is seeking a Licensing Engineer 3 to support our client within the commercial nuclear industry. This is a full-time, onsite position in Rockville Maryland. Position Summary: Und...
Date Posted: 11/21/2025 Recommended
-
Bridge Design Engineer
Canonsburg, Pennsylvania
Job Title: Bridge Design Engineer Location: Canonsburg, PA Type: Direct Hire Compensation: up to $98000 annually Contractor Work Model: Hybrid Bridge Design Engineer Objective Advance engineering expertise through leading bridge infrastructure design a...
Date Posted: 09/23/2025 Recommended
-
Bridge Engineer
Canonsburg, Pennsylvania
Job Title: Bridge Engineer Location: Canonsburg, PA Type: Direct Hire Compensation: $85000 annually Contractor Work Model: Hybrid Bridge Engineer Objective Develop expertise in bridge infrastructure design and transportation engineering through hands-o...
Date Posted: 09/23/2025 Recommended
-
Senior Electrical Engineer
Corpus Christi, Texas
Job Title: Senior Electrical Engineer (PROPOSAL) Location: Corpus Christi or Houston, TX Type: 12 month Contract Compensation: $80.00 - $85.00 hourly Contractor Work Model: Onsite System One is currently seeking a Senior Electrical Engineer on a 12 mon...
Date Posted: 11/05/2025 Recommended
-
Intern, Reliability Engineer - Packaging
York, Pennsylvania
Job Title: Intern, Reliability Engineer - Packaging Location: York, Pennsylvania Type: Contract Compensation: $23.40 hourly Contractor Work Model: Onsite Reliability Engineer – Packaging (Co-Op) Summer 2026 Projected Hire Date: May 2026 Projected End D...
Date Posted: 11/10/2025 Recommended