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Senior Probabilistic Risk Assessment Engineer
15800 Northup Way Bellevue, WA 98008 US
Job Description
Position Description: Protingent Staffing has an exciting contract Senior Probabilistic Risk Assessment Engineer opportunity.
Job Responsibilities:
- Manage PRA work performed inside and outside of company in coordination with plant design, deterministic safety analysis, and other disciplines.
- Ensure that the PRA is appropriate and used for the reactor design and within regulatory requirements, guidance, and standards such as risk-informed performance-based technology guidance for Non-Light Water Reactors (RG 1.233 and NEI 18-04) and ASME/ANS Non-Light Water PRA standard.
- Develop containment fault trees and event trees to reflect most up to date design using CAFTA.
- Group similar source terms for assignment to event sequence end states.
- Perform risk integration using the PRA model to report risk metrics and importance measures.
- Perform focused PRA analysis to support trade studies.
- Work with an interdisciplinary team of engineers to establish core and reactor SSC functional, reliability, performance, safety, and quality requirements as well as support the overall design.
- Provide technical guidance to engineers and managers on reliability and various PRA-related topics.
- Establish and maintain documentation of model development and analysis results.
- Perform engineering reviews of analyses and other engineering design media.
Job Qualifications:
- B.S. in nuclear, mechanical, electrical, or aerospace engineering (or similar), with a minimum of 5 years’ experience in the nuclear field; or M.S. with a minimum of 3 years’ experience; or PhD with a minimum of 1 year experience.
- Knowledgeable of PRA principles and familiar with the ASME/ANS Non-Light Water PRA standard.
- Knowledgeable of PRA fundamentals in data, human reliability, accident analysis, severe accidents, and source term assessments.
- Experience with developing fault trees and event trees preferably using CAFTA, or similar software.
- Experience with performing assessments using codes such as GOTHIC, MELCOR, RADTRAD, or similar tools is a plus.
- Familiarity with nuclear design, regulatory requirements, and risk-informed performance-based technology guidance for Non-Light Water Reactors is required (NEI 18-04).
- Experience with SFR and/or Molten Salt Reactors safety analysis is highly desirable. Experience with other reactor designs can be considered when differentiating candidates.
- Demonstrated strong quantitative, analytical, modeling and reporting skills.
- Understanding of NQA-1 requirements associated with analysis and software management as well as experience working under a quality assurance programs.
- Experience in working in multi-disciplinary engineering teams to address engineering challenges.
- Strong software engineering skills in any language is a plus.
- The successful candidate will possess a high degree of trust and integrity, communicate openly and display respect and a desire to foster teamwork.
Job Details:
- Job Type: Contract
- Pay Rate Range: $63-$80/hr.
- Location: 100% Remote Acceptable
- Export control regulations require candidates to be a U.S. Citizen, U.S. Legal Permanent Resident, or of a protected person status
Benefits Package: Protingent offers competitive salaries, insurance plan options (HDHP plan or POS plan), education/certification reimbursement, pre-tax commuter benefits, Paid Time Off (PTO), and an administered 401k plan.
About Protingent: Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation — from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies. We’re passionate about making a positive impact by connecting exceptional talent with meaningful opportunities and helping our clients build the future.
Meet Your Recruiter

Jessica Dunkinson
I began working for Protingent in 2019. Our openings can really fluctuate with the needs of the market, and I especially enjoy working in niche and unique roles. My recruiting style is transparent and to the point and I strive to be as helpful as possible without wasting anyone’s time. I strive to help candidates achieve a fulfilling role, no matter their parameters, and my philosophy is “don’t make excuses, make improvements”. I love recruiting because every day is different; I get the opportunity to speak with a large variety of people while learning the tech industry. My favorite part of the job is being able to make a difference in an individual’s life and helping companies that are making a difference in the world.
I look forward to hearing from you. Jessica
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