TerraPower
Senior Engineer, System Design
$132K–$171K
Bellevue, Washington, United States +1 · Senior · Full-time · Posted Jul 21, 2026
- Location
- Bellevue, Washington, United States
Bellevue, WA - Experience
- 10+ years of relevant experience; experience level may be partially substituted for an advanced degree depending on position relevance.
- Education
- B.S. in Mechanical Engineering or related discipline from an accredited university.
- Visa sponsorship
- Applicants who are foreign nationals (other than asylees, refugees, or lawful permanent residents) are evaluated under U.S. Government export control requirements. Applicants are asked to identify their U.S. citizenship or immigration status; the company may not consider applicants from countries when timely export approval is impracticable.
About the job
Designs and delivers Natrium reactor primary systems, coordinating multidisciplinary engineering work from requirements and system architecture through design verification and licensing support.
What you'll do
- Define system requirements and design nuclear and industrial mechanical systems, including specifications, analyses, and drawings.
- Maintain system architecture and design documentation, establish equipment design bases, and prepare engineering change packages.
- Coordinate supplier interfaces, design reviews, technology development, and support construction and operating license activities.
What they ask for
- B.S. in Mechanical Engineering or a related discipline from an accredited university.
- 10+ years of relevant experience; experience level may be partially substituted for an advanced degree depending on position relevance.
- Demonstrated experience developing designs for complex structures, multidisciplinary integration, and mechanical pressure vessel equipment.
- Strong understanding of configuration management and design control tools used in nuclear or similar complex industrial applications.
Nice to have
- Experience with nuclear reactors and systems, high-temperature pressure vessels, or similar system design; knowledge of ASME BPVC Section III.
- Experience with ASME NQA-1 or ISO 9001; professional engineering licensure is desired but not required.
Pay
$131,828 – $171,206 USD base salary
Tools
ASME NQA-1, ISO 9001, ASME BPVC Section III, P&IDs, Design Basis Documents, Interface Control Documents
Model-written summary · the original posting is authoritative