Senior Mechanical Engineer ASME Lead
Bellevue, WA
Experience: 10
Category: Energy
Contractor Work Model: Remote
Brand: System One
Compensation Range: 69.00 - 115.00 Per Hour
Job ID: 375803
Date Posted: 06/22/2026
Shortcut: http://jobs.systemone.com/mFjtjb
Senior Mechanical Engineer – ASME Lead (Contract)
Remote | Long-Term Contract
$69-$115/hr
System One is seeking a Senior Mechanical Engineer – ASME Lead to support the design and development of advanced nuclear reactor systems. This role will focus on the design, analysis, and certification of safety-related reactor components and pressure-retaining systems in accordance with ASME Section III requirements.
Responsibilities
- Lead design and analysis of ASME Section III pressure boundary and internal reactor components.
- Prepare, review, and certify Design Specifications (DS) and Design Reports (DR).
- Develop engineering calculations, load evaluations, qualification reports, and design documentation.
- Ensure compliance with ASME Section III, NQA-1, and NRC requirements.
- Support licensing activities, design reviews, audits, and code certification efforts.
- Collaborate with multidisciplinary engineering teams, suppliers, and quality organizations.
- Support material selection, fabrication requirements, inspections, and corrective actions.
- Provide technical leadership and mentorship to engineering teams.
Qualifications
- B.S. in Mechanical Engineering or related discipline.
- Active Professional Engineer (PE) license required.
- 10+ years of equipment or component design experience.
- Extensive experience with ASME Boiler & Pressure Vessel Code Section III.
- Demonstrated experience certifying Design Specifications and Design Reports for nuclear pressure-retaining components.
- Strong knowledge of ASME Section III, NQA-1, and NRC regulations.
- Experience with finite element analysis and ANSYS.
- Excellent technical writing, communication, and problem-solving skills.
This is an excellent opportunity to contribute to next-generation nuclear technology while working with a highly collaborative engineering team focused on innovation, safety, and technical excellence.
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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