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Principal Seismic Probabilistic Risk Assessment Engineer

Job in Bellevue, King County, Washington, 98008, USA
Listing for: Protingent
Full Time position
Listed on 2026-06-03
Job specializations:
  • Engineering
    Systems Engineer
Salary/Wage Range or Industry Benchmark: 69 - 115 USD Hourly USD 69.00 115.00 HOUR
Job Description & How to Apply Below
Job Description

Position Title: Principal Seismic Probabilistic Risk Assessment Engineer

Position Description: Protingent Staffing has an exciting
* REMOTE*contract Principal Seismic Probabilistic Risk Assessment Engineer opportunity.

Job Responsibilities:
  • Manage SPRA work performed outside of the Company in coordination with plant design, deterministic safety analysis, and other disciplines.
  • Ensure that the SPRA 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.
  • Lead the development of the planning and schedule for SPRA-related activities.
  • Provide technical guidance to engineers and managers on reliability and various SPRA-related topics.
  • Participate in SPRA peer reviews.
  • Review and support the development of event and fault trees for SPRA models.
  • 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.
  • Establish and maintain documentation of model development and analysis results.
  • Perform engineering reviews of analyses and other engineering design media.
  • Develop containment fault trees and event trees to reflect the 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.
  • Perform hand calculations using first principles to assess and validate more complex models for system performance, containment performance, and radiological consequences.
  • Prepare topical reports describing PRA methods and analytical results for customers and regulators.
  • Deliver presentations for internal management and external customers, and regulators.
Job Qualifications:
  • B.S., M.S., or PhD in nuclear, mechanical, electrical, or aerospace engineering (or similar)
  • Fifteen years or more of experience in Probabilistic Risk Assessment
  • In-depth knowledge of PRA principles and the ASME/ANS Non-Light Water PRA standard.
  • In-depth knowledge of risk-informed performance-based regulations and applications.
  • In-depth knowledge of PRA fundamentals in data, human reliability, accident analysis, severe accidents, and source terms assessments.
  • Experience with PRA software: CAFTA in particular; SAPHIRE, Risk Spectrum, or other similar software is still considered valuable.
  • Experience with performing assessments using codes such as GOTHIC, MELCOR, RADTRAD, or similar tools is a plus.
  • Demonstrated technical writing and communication skills.
  • Experience with sodium-cooled reactors or other advanced reactors preferred.
  • Fluent in spoken and written English.
  • A broad understanding of the various engineering disciplines and how they interrelate in the design of a Nuclear Power Plant.
  • High degree of trust, integrity, open communication, respect for others, and teamwork.
Job Details:
  • Job Type: Contract
  • Location:

    100% Remote Acceptable
  • Pay Rate Range: $69 - $115/hr (Pay rates are approved based on candidate location, education, and experience).
  • Export control regulations require candidates to be a U.S. Citizen, a U.S. Legal Permanent Resident, or a protected person.
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 401 (k) plan.
#Terra Pro
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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