nuclearhustle

TFF Test Manager

TerraPower·Bellevue, Washington, United States, Everett, Washington, United States, or Kemmerer, Wyoming, United States·Posted today
Nuclear industryUS only

About this role

Lead the Sodium Test & Fill (TFF) test program for TerraPower's Natrium Demonstration Plant—a high-temperature liquid sodium test facility for next-generation nuclear reactor components. Oversee a diverse team of engineers and contractors conducting qualification testing of first-of-a-kind sodium-cooled fast reactor components, ensuring safe and timely delivery of critical testing deliverables that support regulatory approval and plant commissioning.

Responsibilities

  • Own and drive the TFF test program to ensure accurate and complete test plans and procedures are developed to support project timelines
  • Lead and coordinate a diverse test engineering team including TerraPower employees, subcontracted resources, partner engineers, and customers
  • Support test activities of mechanical equipment and components to the highest levels of safety and reliability with visible, continuous leadership
  • Ensure work process execution and technical adequacy comply with contract requirements, project standards, and industry standards (including NQA-1)
  • Interface with regulators, stakeholders, and customers on design, fabrication, and regulatory issues
  • Coordinate with interfacing project teams to develop cohesive test strategies and ensure accurate hand-offs
  • Provide technical direction and oversight of external test supplier activities and manage technical submissions
  • Provide engineering review and concurrence of procurement strategy for select commodities
  • Support schedule development and monitor team performance against schedule baseline with corrective action management
  • Recommend engineering staffing plans and identify staffing changes to meet long-range forecasts
  • Support recruitment, onboarding, and indoctrination of new engineers
  • Mentor and support employee development through training and challenging assignments
  • Recommend obtaining external subject matter experts and specialty resources as needed
  • Resolve priority conflicts and escalate unresolved issues to Senior Manager level

Qualifications

  • B.S. in Mechanical Engineering or related discipline from an accredited university
  • 8+ years direct experience with proven mechanical systems design and testing skills
  • 8+ years combined technical leadership role with leading performance of technical scope and/or additional manager responsibilities
  • Experience managing a test lab and test team
  • Prior experience developing first-of-a-kind test procedures and plans
  • Excellent writing and communication skills
  • Demonstrated experience in oversight of supplier and subcontractor organizations in an engineering environment
  • Demonstrated diverse and robust experience in test of complex mechanical components and equipment in high-temperature environments with multi-discipline integration

Desired

  • Experience working with high-temperature alkali metals (sodium or potassium)
  • Experience working to nuclear quality standards such as ASME NQA-1
  • Nuclear design or licensing experience
  • Previous experience with nuclear mechanical components, nuclear reactor equipment, or sodium-cooled fast reactor systems

Location

Primary location: Bellevue, WA or Everett, WA with regular travel to Kemmerer, WY. Fully remote option available in Kemmerer, WY.

Job details

FieldAdministrative
LocationBellevue, Washington, United States, Everett, Washington, United States, or Kemmerer, Wyoming, United States
IndustryNuclear energy
PostedJun 2026

About the company

TerraPower

A nuclear innovation company founded by Bill Gates, building the Natrium sodium-cooled fast reactor and advancing medical isotope production.

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