Senior Mechanical Engineer ASME Lead

TerraPower•Bellevue, WA

17d

About The Position

In this role, you will create design solutions for the design development of various reactor structures and components for the Natrium Generation IV Reactor. Candidates must have extensive experience in equipment design. The Senior Engineer will report to the Reactor Enclosure System Component Manager. The Senior Engineer will work as part of a high functioning team of engineers and scientists focused on developing the design of next generation advanced nuclear reactors. The Senior Engineer we are seeking is a highly experienced engineer with a strong background in ASME Section III nuclear design. The successful candidate will be responsible for preparing, reviewing, and certifying Design Specifications (DS) and Design Reports (DR) in accordance with ASME Section III requirements, as well as supporting licensing, compliance, and customer deliverables.

Requirements

Education: B.S. degree in Mechanical engineering or equivalent preferred
Minimum of eight years of equipment / component design experience; relevant M.S. degree credited as two years of experience.
Active Professional Engineer (P.E.) license required
Working experience with ASME Boiler and Pressure Vessel Code Section III.
Demonstrated experience certifying Design Specifications and Design Reports for nuclear pressure-retaining components
Deep understanding of ASME Section III, NQA-1, and related NRC regulations.
Experience in finite element stress analysis, mechanical analysis methods, and commercial mechanical stress analysis modeling tools with emphasis on ANSYS.
Excellent writing and communication skills.
Strong analytical/problem solving skills, creative thinker.
The successful candidate will possess a high degree of trust and integrity, communicate openly and display respect and a desire to foster teamwork.

Responsibilities

Perform detailed design, analysis, and documentation for ASME Section III Class NF structural supports, including frames, brackets, hangers, and other support elements used in nuclear facilities.
Develop and maintain design specifications, calculations, load evaluations, and qualification reports in compliance with ASME Section III and related nuclear codes and standards.
Prepare and certify engineering design packages, including performing or reviewing design calculations to ensure accuracy and code compliance.
Collaborate with multidisciplinary engineering teams to define design requirements, resolve technical issues, and optimize component performance.
Interface with internal quality teams, third-party reviewers, and regulatory bodies to support audits, design reviews, and code certification processes.
Support material selection, fabrication requirements, inspection criteria, and acceptance standards for Class NF components.
Participate in engineering change processes, nonconformance evaluations, and corrective action development as required.
Maintain current knowledge of ASME Section III revisions, NRC guidance, and industry best practices.
Provide technical mentorship to junior engineers as needed.