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Senior​/Principal Alkali Metal Test Engineer

Job in Everett, Snohomish County, Washington, 98213, USA
Listing for: TerraPower
Full Time position
Listed on 2025-12-24
Job specializations:
  • Engineering
    Electrical Engineering, Mechanical Engineer
Salary/Wage Range or Industry Benchmark: 125000 - 150000 USD Yearly USD 125000.00 150000.00 YEAR
Job Description & How to Apply Below

Title:

Senior/Principal Alkali Metal Test Engineer

Location:

Everett, Washington, United States

Job Type:

Full-time

Description:

Terra Power is a nuclear technology company based in Bellevue, Washington. At its core, the company is working to raise living standards globally through a more affordable, secure and environmentally friendly form of nuclear energy along with innovations in medical isotopes to improve human health. In 2006, Terra Power originated with Bill Gates and a group of like‑minded visionaries who evaluated the fundamental challenges to raising living standards around the world.

They recognized energy access was crucial to the health and economic well‑being of communities and decided that the private sector needed to take action and create energy sources that would advance global energy deployment. Terra Power’s mission is to be a world leader in new nuclear technologies, while developing innovators and future leaders in the nuclear field. As a result, the company’s activities in the fields of nuclear energy and related sciences are yielding significant innovations in the safety and economics of nuclear power, hybrid energy and medical applications – all for significant human health benefits.

Terra Power is seeking to hire highly motivated and forward‑thinking professionals who are interested in focusing on advanced nuclear reactor research and development and influencing change within the nuclear power landscape and bringing forward the critical production of medical isotopes. Terra Power is an Equal Opportunity Employer. We do not discriminate in hiring on the basis of sex, gender identity, sexual orientation, race, color, religious creed, national origin, physical or mental disability, protected Veteran status, or any other characteristic protected by federal, state, or local law.

In addition, as a federal contractor, Terra Power has instituted an affirmative action plan (AAP) in an effort to proactively recruit, hire, and promote women, minorities, disabled persons and veterans.

Senior/Principal Alkali Metal Test Engineer

Reporting to the Manager of Alkali Metal Testing, the Senior/Principal Alkali Metal Test Engineer is responsible for designing and conducting an array of developmental and qualification tests for high temperature liquid sodium and salt systems for the Natrium reactor. The successful candidate will support all aspects of alkali metal testing activities including planning, designing, testing, document review, engaging with external vendors, and generating documents.

Responsibilities:
  • Collaborate with internal customers to translate conceptual requirements into actionable test specifications, including design input, instrumentation strategy, and success criteria.
  • Will serve as the lead test engineer supporting experimental design, operation, repair, and analysis of tests supporting the Natrium reactor with an emphasis on high temperature liquid sodium and salt systems.
  • Coordinate cross‑functional efforts in areas such as fixture design, control system integration, technician and designer support, and facility interfaces and integration.
  • Design and select instrumentation for testing, based around data acquisition and control hardware and software, to meet experimental test objectives.
  • Develop and document test plans, design test assemblies – including developing P&IDs, CAD models, and performing FEA of piping and vessels – and author test procedures for experimental work.
  • Conduct data analysis and generate detailed test reports.
  • Support continuous learning and application of nuclear industry best practices in order to maintain the highest quality of engineering design and proactively identify process change/enhancement opportunities.
Key

Qualifications and Skills:
  • Senior Test Engineer:
    Bachelor’s degree in applicable field of Engineering and a minimum of ten (10) years of related experience, or six (6) years and a Master’s degree, or a PhD with 3+ years’ experience.
  • Principal Test Engineer:
    Bachelor’s degree in applicable field of Engineering and a minimum of ten (15) years of related experience, or six (8) years and a Master’s degree, or a PhD with 5 years’ experience, or…
Position Requirements
10+ Years work experience
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