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Principal Engineer Seismic/CSA Integration & Oversight
Job in
Bellevue, King County, Washington, 98008, USA
Listed on 2026-06-02
Listing for:
Protingent
Full Time
position Listed on 2026-06-02
Job specializations:
-
Engineering
Engineering Design & Technologists, Systems Engineer, Structural Engineer, Environmental Engineer
Job Description & How to Apply Below
Position Title: Principal Engineer Seismic/CSA Integration & Oversight
Position Description: Protingent Staffing has an exciting contract Principal Engineer Seismic/CSA Integration & Oversight opportunity.
Job Responsibilities:
- Provide continuous oversight of seismic design scope, covering building and structural systems, foundations, equipment supports, and integrated plant analyses such as soil-structure interaction (SSI), seismic fragility development, and PRA inputs.
- Coordinate and direct complex multi-system analyses, including SSI studies, seismic model development, external hazard characterization, and building seismic qualification, ensuring consistency with plant-level methodologies and licensing strategy.
- Perform and guide SSI analyses using in-house SASSI tools; establish repeatable frameworks, workflows, and benchmarks that improve analysis efficiency and traceability across multiple structures.
- Develop, document, and implement seismic design bases and strategies, supporting both deterministic and probabilistic methods; apply risk-informed, performance-based methodologies (e.g., LMP, RIPB) to define design acceptance criteria for SSCs.
- Author, review, and refine plant- and system-level requirements and specifications, integrating seismic and structural criteria into design deliverables and ensuring seamless alignment with plant-level engineering.
- Interface across design disciplines (mechanical, I&C, nuclear safety, systems) to ensure seismic requirements, structural criteria, and performance expectations are clearly defined, properly allocated, and implemented across interfacing designs.
- Ensure adherence to licensing and code requirements (ASCE, ACI, AISC, ASCE 4/7/43, NUREG guidance), verifying they are correctly integrated into CSA products and aligned with Company's licensing strategy.
- Support cost studies and trade-off evaluations as the CSA/seismic SME, ensuring technical rigor while balancing constructability, schedule, and economic considerations.
- Surveil subcontractor performance, monitoring design deliverables, verifying compliance with technical requirements, and ensuring design processes and quality programs are properly implemented.
- Lead and support design and integration reviews, chairing cross-functional resolution sessions for CSA/seismic challenges, and facilitating targeted technical forums (e.g., working groups, decision boards, digital/in-person reviews).
- Integrate seismic and CSA design information into licensing products, including regulatory submittals under the Licensing Modernization Project (LMP), ensuring design-basis alignment with licensing commitments.
- Report emerging technical risks to project and engineering management, providing timely recommendations for mitigation and escalation when needed.
- Drive continuous improvement, applying nuclear industry best practices to seismic modeling, fragility methods, and structural qualification, while identifying opportunities for improved efficiency, quality, and integration.
- Education:
M.S. degree in Civil engineering or equivalent or higher - 12+ years of civil/structural design and analysis and/or probabilistic risk assessment experience
- Excellent writing and communication skills
- Ability to work independently and with minimum direction to solve challenging problems
- Candidate must have strong analytical/problem solving skills
- Candidate must be a self-starter and possess ability to coordinate with internal and external engineering and design teams with minimal direction
- Experience with new nuclear power plant design projects
- Experience with risk-Informed performance based, and probabilistic methodologies for application to seismic design and analyses
- Experience in a broad range of design and integration topics throughout a product lifecycle, including conceptual design, final design, and construction
- Experience with structural design for complex external hazard loading such as seismic and aircraft impact
- Experience with commercial codes and standards such as UBC, ACI 318, AISC 360 and ASCE 7
- Experience with nuclear codes and standards such as ACI 349, ACI 359, AISC N690, ASCE 4, and ASCE 43
- Experience…
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