Senior Mechanical Design Engineer (Nuclear Energy)

Location: Bellevue, Washington, USA. The position is subject to U.S. Government export control reviews; foreign nationals may require export authorization.

Salary: $1,386,857–$208,027 per year, with the range specific to Washington State.

Company

hirify.global is a nuclear technology company developing advanced nuclear reactors, hybrid energy systems, and medical isotope applications.

What you will do

• Design reactor structures and components from requirements through final design for the Natrium Generation IV Reactor.
• Coordinate engineering and project requirements to develop equipment and component design solutions.
• Perform scoping analyses, design calculations, mechanical analyses, and finite element stress assessments.
• Coordinate and technically manage supplier activities and interface with engineering analysis teams.
• Present design results, assess technical solutions, and lead design reviews.
• Provide direction and mentoring to junior engineers and subcontractors while supporting nuclear engineering best practices.

Requirements

• B.S. degree in Mechanical Engineering or equivalent preferred.
• At least eight years of equipment or component design experience; a relevant M.S. degree may count as two years of experience.
• Working experience with ASME Boiler and Pressure Vessel Code Section III and experience writing design specifications.
• Experience with Design for Manufacturability, Design for Assembly, finite element stress analysis, and commercial mechanical stress analysis tools, especially ANSYS.
• Strong analytical, problem-solving, writing, communication, and teamwork skills, with the ability to work independently on multiple tasks.
• Familiarity with CAD and SolidWorks is preferred. Minimum education and experience criteria, including relevant nuclear industry experience where applicable, must be verified.

Culture & Benefits

• Work with engineers and scientists developing next-generation advanced nuclear reactors.
• Competitive compensation with eligibility for discretionary short-term incentive payments.
• Medical, vision, dental, life, disability, wellness, and gender affirmation benefits.
• Parental leave, 21 days of accrued paid time off, and 10 paid holidays.
• 401(k) plan, relocation assistance, and professional and educational support opportunities.
• Travel requirement of approximately 0–10%; the role includes prolonged sitting and standard working conditions exceeding eight hours per day.

Hiring process

• Employment data and qualifications will be verified during the hiring process.
• Applicants must identify applicable U.S. citizenship or immigration status to support export control reviews.