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[Nuclear Engineer] Senior Probabilistic Risk Assessment Engineer

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SEND RESUME TO: keith.ward@gses.com

This position requires an understanding of PRA principles and preferably familiarity with the ASME/ANS PRA standard. While this position requires knowledge of sodium fast reactor technology, this knowledge can be obtained on the job through various in-house training workshops and interaction with TerraPower staff.
Responsibilities
Manage PRA work performed inside and outside of TerraPower 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 (NEI 18-04) and ASME/ANS Non-Light Water PRA standard.
Participate in the development of planning and schedule for PRA related activities.
Provide technical guidance to engineers and managers on reliability and various PRA-related topics.
Participate in PRA peer reviews.
As needed, can support the development of event and fault trees, in-vessel radiological transport models, containment transport models, and mechanistic radiological release categories for PRA 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 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.


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