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Senior Integration Engineer – Physical Design Oversight

TerraPower LLC. · Bellevue, Washington

$140,021–$181,845/yrOnsiteDirect from the employer

Posted Oct 8, 2026 · Verified open Oct 10, 2026

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About the job

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. TerraPower’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.”

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.

Senior Integration Engineer – Physical Design Oversight

TerraPower, LLC. is seeking a highly motivated Senior Integration Engineer for the Physical Design Oversight (PDO) team on TerraPower’s Natrium advanced nuclear reactor projects. In this role, you will support the PDO team in the development of requirements and strategies relevant to first of-a-kind nuclear facility design, perform oversight review of work products, and facilitate integration across TerraPower and its suppliers to ensure successful execution of physical design and construction. The successful candidate will coordinate with engineers working on structures, systems, components, and engineering analyses for integration of input and requirements for nuclear plant design and analysis. Candidates must have experience in one or more aspects of physical design and analysis, project coordination, and performing owner’s acceptance review.

The PDO team has oversight for all aspects of design that relate to civil/structural, architectural, physical modeling, pipe routing and stress, plant layout, geotechnical works, and underground work. The team also owns several design discipline criteria for the project and serves as the subject matter expert for their implementation.

Responsibilities

Key Qualifications and Skills

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.

TerraPower’s 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 TerraPower’s 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: $140,021 - $181,845

Any salary offered within the posted salary band is based on market data and commensurate with the selected candidate’s qualifications and experience. This range is specific to WA State.

Benefits:

TerraPower Career and Benefits information: https://www.terrapower.com/contact-us/careers/