Onsite Mechanical Design Lead – Nuclear Demonstration Project

TerraPower LLC.; Kemmerer (WY); On-site; USD 143,000 - 191,000; Full time

Benefits offered by this job

Competitive compensation

Discretionary incentive payments

Comprehensive medical and wellness

401k plan

Generous PTO and holidays

Relocation assistance

Professional and educational support

Job summary

TerraPower LLC, based in Bellevue, Washington, seeks a Site Design Engineering Lead Mechanical Engineer for the Natrium Demonstration Project near Kemmerer, Wyoming. The role focuses on leading the onsite mechanical design team and aligning design, testing, startup, and turnover with safety standards and project requirements.

The position reports to the Site Design Engineering Manager and requires extensive nuclear experience, leadership, and collaboration with construction, licensing, and

Qualifications

• Bachelor's degree in Mechanical Engineering from an accredited institution.
• Minimum 10–15 years of progressive engineering experience, with 5–7 years in leadership.
• Experience in nuclear facility design, construction support, or field engineering.

Responsibilities

• Lead onsite Mechanical Engineering team across design, field engineering, and construction support.
• Interface with construction management, licensing, QA, regulators, and procurement to resolve issues.
• Ensure compliance with design basis, licensing commitments, and safety standards.

Skills

Leadership

Nuclear design knowledge

Regulatory interface

Communication

Mentoring engineers

Project coordination

Education

Bachelor's degree in Mechanical Engineering

Advanced degree or PE preferred

Job description

TerraPower LLC, based in Bellevue, Washington, seeks a Site Design Engineering Lead Mechanical Engineer for the Natrium Demonstration Project near Kemmerer, Wyoming. The role focuses on leading the onsite mechanical design team and aligning design, testing, startup, and turnover with safety standards and project requirements.

The position reports to the Site Design Engineering Manager and requires extensive nuclear experience, leadership, and collaboration with construction, licensing, and