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Materials Testing Engineer - Welding & Mechanical Testing

Job

TerraPower

Everett, WA (In Person)

$147,402 Salary, Full-Time

Posted 2 days ago (Updated 6 hours ago) • Actively hiring

Expires 6/29/2026

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Job Description

Materials Testing Engineer - Welding & Mechanical Testing Materials Testing Engineer - Welding & Mechanical Testing Everett, Washington, United States Apply TerraPower 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, TerraPower 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. TerraPowers 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 companys 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. TerraPower 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. TerraPower 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. Materials Testing Engineer Welding & Mechanical Testing TerraPower, LLC is seeking a highly motivated Materials Testing Engineer to support the engineering efforts of the Materials Testing & Characterization team. This role will work as part of a high functioning team of engineers focused on development and testing for next generation material and components for sodium cooled fast reactors. You will be responsible for welding and mechanical testing supporting the performance requirements of the Natrium Reactor in a laboratory environment located in Everett, WA.
Responsibilities:
Install, operate, and manage in-lab welding equipment Design, install, and operate mechanical testing equipment to qualify welds Oversee and develop welding and mechanical properties test programs for understanding material performance and degradation Develop and maintain test designs, plans, specifications, and procedures for testing and qualifying welds Interface with various project teams to ensure materials development and testing efforts meet programmatic objectives Conduct testing and material characterization in a laboratory environment Maintain test program schedule and ensure timely delivery of test results Provide materials engineering support for the procurement of engineered components and systems External procurements of materials and equipment, including authoring statements of work and managing supplier performance to plan Perform scientific analysis on test data and generate technical reports to document new knowledge related to materials performance and behavior, reactor design, and materials qualification Engage with design, fabrication, and operation of custom laboratory experiments Key Qualifications and Skills Bachelors degree with minimum 6 years of related experience or a Masters degree and 3 years of related experience. A degree in Mechanical Engineering, Materials Science/Engineering, Welding Engineering, or a related technical discipline is required Prior experience in materials testing and characterization for nuclear research or industry applications is required Proficiency in experimental techniques for materials testing, characterization, and analysis is required Proficiency in conducting mechanical testing is required Experience with experimental techniques for materials characterization and analysis, including SEM-EDS is required Demonstrated hands-on laboratory experience is required Proficiency in writing and producing technical documentation including test reports and studies is required Experience working with a variety of materials including metallics and welds is desired Experience working to quality standards such as ASME NQA-1, AS9100, ISO17025 or others is desired Ability to work with minimum direction to solve challenging problems The successful candidate will possess a high degree of trust and integrity, communicate openly and display respect and a desire to foster teamwork. This position is subject to qualification requirements in accordance with
ANSI/ANS 3.1.
Candidates must meet the minimum education and experience criteria applicable to the role, including relevant nuclear industry experience where required. Verification of data will be part of the hiring process.
Job Functions:
Job Functions are physical actions and/or working conditions associated with the position. These functions may also constitute essential functions for the job which the employee must be able to fulfill, with or without accommodation. Information provided below is to help describe the job so that the applicant has a reasonable understanding of the job duties/expectations. An applicant's ability to perform and/or tolerate these actions and conditions will be discussed and workplace accommodations may be made on a case-by-case basis following an individualized assessment of the applicant and other considerations, including but not limited to any governing safety standards.
Motor Abilities:
Sitting for extended periods, bending/stooping, grasping/gripping, fine motor control (hands) Physical exertion and/or requirements: Minimal, with ability to safely lift up to 25 pounds.
Repetitive work:
Prolonged Special Senses:
Visual and audio focused work
Work Conditions:
Stairs, typing/keyboard, standard and/or sitting working environment of >8 hours/day Travel required 0-10% TerraPowers technology is controlled for export by various agencies of the U.S. Government. TerraPower must evaluate applicants who are foreign nationals (other than asylees, refugees, or lawful permanent residents) in accordance with U.S. Government export control requirements. To facilitate TerraPowers export control reviews, you will be asked as part of the application process to identify whether you are a U.S. Citizen or national, asylee, refugee, or lawful permanent resident of the United States. Government export authorization approval times vary. Based on the business needs for a particular position, TerraPower may not consider a foreign national from a country if it is impracticable to obtain timely Government export approval. Job details
Salary Range:
$117,922 - $176,883 Any salary offered within the posted salary band is based on market data and commensurate with the selected candidates qualifications and experience. This range is specific to Washington State.
Job Type:
Full-time Benefits:
Competitive Compensation Salary, eligible to participate in discretionary short-term incentive payments Comprehensive Medical and Wellness Benefits Medical Vision Dental Life and Disability Gender Affirmation Benefits Parental Leave 401k Plan Generous Paid Time Off (PTO) 21 days of annually accrued PTO Generous Holiday Schedule 10 paid holidays Relocation Assistance Professional and Educational Support Opportunities TerraPower Career and Benefits information: https://www.terrapower.com/contact-us/careers/