Mechanical Engineer (NSSS Component Analysis)
Corvillas, OR
Experience: 8
Education: BS
Category: Energy
Contractor Work Model: Remote
Brand: System One
Job ID: 348594
Date Posted: 05/07/2026
Shortcut: http://jobs.systemone.com/Mz0vl3
Job Title: Mechanical Engineer (NSSS Component Analysis)
Type: Contract
Work Model: Remote
Overview
System One is seeking a senior Mechanical Engineer – NSSS Component Analysis to support advanced nuclear component engineering activities for a next-generation light water reactor program.
The engineer will perform and document ASME BPVC Section III code-based stress and design evaluations for pressure-retaining components and supports, leveraging ANSYS and related CAD/analysis tools while working under strict quality assurance and regulatory requirements (including ASME NQA-1). Work may be performed remotely within the contiguous United States, with travel as needed for business requirements.
Responsibilities
- Perform and document stress analysis of pressure vessels, reactor internals, and primary equipment supports in accordance with ASME BPVC Section III (NB, NG, NF).
- Analyze components for pressure, thermal, and mechanical loadings including primary stress, secondary stress, and fatigue.
- Utilize ANSYS finite element software and CAD tools to evaluate and optimize component designs.
- Develop and interpret engineering design requirements and specifications for NSSS components.
- Support multi-disciplinary teams in resolving technical challenges related to component analysis.
- Provide technical leadership and mentorship to junior engineers within the NSSS Component Analysis Group.
- Lead or support NSSS component analysis activities, ensuring compliance with NQA-1 and NRC standards.
- Interact with other disciplines to promote effective technical coordination and problem resolution.
- Ensure all engineering work adheres to quality assurance regulations and regulatory standards such as 10 CFR 50 Appendix B and 10 CFR 21.
Requirements
- Education: A minimum of a B.S. degree in Engineering, preferably Mechanical Engineering, from an ABET-accredited institution. An advanced degree and PE license are preferred.
- Experience: At least 8 years of full-time relevant engineering experience, with extensive ANSYS stress analysis in accordance with ASME Section III.
- Significant experience in nuclear, power generation, or highly regulated industries.
- Key Skills: Advanced problem-solving and analytical skills, strong technical communication, project management, leadership, and mentorship abilities.
- Familiar with: 10 CFR 50 Appendix B, 10 CFR 21, ASME NQA-1 standards.
- Additional Skills: Seismic/dynamic analysis, programming skills (e.g., ANSYS APDL, MATLAB, Python).
- Industry Requirements: Eligible to work under DOE 10 CFR Part 810, ability to travel as needed.
- Physical Demands: Ability to communicate clearly, learn quickly, and operate in a fast-paced technical environment.
System One, and its subsidiaries including Joulé 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.
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