TerraPower
Senior Thermal Hydraulic Test Engineer
$124K–$161K
Everett, Washington, United States +1 · Senior · Full-time · Posted Oct 16, 2026
- Location
- Everett, Washington, United States
Everett, WA - Experience
- Greater than five years of relevant experience in a testing/R&D environment preferred, or three years with a Master’s degree.
- Education
- Bachelor’s or higher degree in an applicable field of Engineering.
- Visa sponsorship
- Applicants who are foreign nationals other than asylees, refugees, or lawful permanent residents are subject to U.S. Government export-control review; the employer may not consider applicants from a country if timely export approval is impracticable.
About the job
Designs and conducts thermal-hydraulic tests, from planning and setup through analysis and reporting, to support the Natrium Demonstration Plant.
What you'll do
- Manage test campaigns, including setup, system validation, execution, post-test analysis, and reporting.
- Select and validate measurement instrumentation; coordinate fixture design, controls integration, laboratory activities, and external vendors.
- Draft test requirements and test documents, perform thermal-hydraulic calculations, and mentor junior engineers.
What they ask for
- Bachelor’s or higher degree in an applicable engineering field.
- Laboratory experience and thermal-hydraulic analytical skills, including one-dimensional hydraulic network analysis, system codes, and transient analysis.
- Experience post-processing and documenting experiments, and with multiple testing types (R&D, Acceptance, Validation, Qualification).
- Ability to work on multidisciplinary projects and multiple concurrent tasks; strong writing and communication skills.
Nice to have
- Working knowledge of ASME NQA 1 and 10 CFR 50 Appendix B quality assurance requirements.
- Experience with scaled water or oil flow loops, sodium or molten salt handling, or mechanical stress or vibration testing.
Pay
$124,115 – $161,188 (base salary)
Tools
one-dimensional hydraulic network analysis, system codes, P and ID drawings, load cells, LVDTs, encoders, RTDs, ASME NQA 1
Model-written summary · the original posting is authoritative