Mechanical Engineer - Nuclear Steam Supply System
Corvallis, OR
Experience: 8
Education: BS
Category: Energy
Contractor Work Model: Remote
Brand: System One
Job ID: 347796
Date Posted: 05/07/2026
Shortcut: http://jobs.systemone.com/zjMLcw
Job Title: Mechanical Engineer 4 - Nuclear Steam Supply System (NSSS)
Location: Corvallis, OR
Type: Contract
Contractor Work Model: Remote
Overview
System One is seeking a Mechanical Engineer to support our client's Nuclear Steam Supply System (NSSS) design engineering organization.
In this role, you will perform a range of activities associated with the design, analysis, and manufacture of pressure vessels, related components, reactor vessel internals, and/or supports in accordance with ASME Boiler & Pressure Vessel Code (BPVC), Section III, and applicable regulatory requirements. All work within the NSSS Engineering design organization is completed under ASME NQA-1 quality assurance requirements and respective U.S. Nuclear Regulatory Commission guidelines.
Responsibilities
- Support the NSSS design engineering organization by generating technical requirements and design parameters for modular advanced light water reactors (ALWR).
- Prepare and review engineering specifications, reports, and documentation related to NSSS components, systems, and structures.
- Maintain and revise CAD models using Siemens NX and develop engineering drawings following ASME Y14 standards.
- Utilize BPVC Section III evaluations to optimize component designs.
- Collaborate across teams and engage in engineering change control processes to communicate design decisions effectively.
- Review and assess the work of other groups to ensure cohesive system integration.
- Engage in discussions with manufacturing partners to maintain design integrity during fabrication.
- Perform additional duties as assigned.
Requirements
- B.S. degree in Engineering, preferably Mechanical Engineering, from an ABET accredited college or university.
- Minimum of 8 years of relevant full-time engineering experience.
- Professional engineer (PE) license is strongly preferred.
- Extensive knowledge of engineering design, including familiarity with engineering drawings per ASME Y14 standards.
- Design experience with commercial nuclear components or BPVC Section III is highly desirable.
- Experience with ASME Design Specification Certification is advantageous.
- Familiarity with stress engineering analysis (design by analysis methodology) is preferred.
- Eligible to work under Department of Energy 10 CFR Part 810.
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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