# System Engineer at TerraPower LLC > United States · Unspecified · Software engineering · open. Source: https://alderhq.app/jobs/greenhouse%3Aterrapowerllc%3A4487552009 (read 2026-11-12). ## Facts (observed) - Company: [TerraPower LLC](https://alderhq.app/companies/terrapower-llc) - Location text: Everett, WA; Everett, WA - Where it can be done from (inferred): United States (evidence: "Location: Everett, WA; Everett, WA") - Posted: 2026-11-12 (0 days ago) - First seen by alder: 2026-11-12 · last verified: 2026-11-12 - Reposted: 0 times · edited: 0 times - Apply on the employer's site: https://job-boards.greenhouse.io/terrapowerllc/jobs/4487552009 - Skills listed (inferred): Distributed systems ## Pay and sponsorship - Posted pay: not posted - Market band for similar posted roles (United States, n 7586): p25 $120k, median $155k, p75 $200k ## Description (the employer's text) The TerraPower Isotopes® (TPI™) division has been established to pursue medical isotopes development--advancing nuclear science for significant human health benefits. We seek to support revolutionary radiotherapies for treatments of various cancers through the supply of radioisotopes. TerraPower currently has unique access to a supply of thorium for the long-term production of actinium-225 in the growing alpha therapy market and intends to expand into other nuclear related medical treatments. The TerraPower Isotopes program is an integral part of the Washington State based TerraPower team, a company working to raise living standards globally. In 2006, the company originated with Bill Gates and a group of like-minded visionaries who evaluated the fundamental challenges to raising living standards around the world. TerraPower’s mission is to be a world leader in new nuclear technologies, while developing innovators and future leaders in the nuclear field. TPI is seeking to hire highly motivated and forward-thinking professionals who are interested in focusing on advanced radiopharmaceutical applications and influencing change within nuclear medicine. 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. ### Systems Engineer – TPI TerraPower Isotopes (TPI) is seeking a Systems Engineer to support the development and delivery of systems and facilities for the Alpha2, Alpha5, and/or Alpha30 projects. This position will coordinate the technical definition, integration, and verification of assigned systems throughout their lifecycle, from requirements development and conceptual design through commissioning and operational turnover. The Systems Engineer will work across engineering disciplines, project management, Quality, Operations, and external partners to ensure assigned systems meet their intended functions and integrate effectively with the broader facility. This role will maintain requirements, system boundaries, interfaces, design bases, and configuration information, while supporting technical reviews, engineering change control, and resolution of cross-functional issues. ### Responsibilities ### System Definition and Requirements Management • Develop and maintain requirements for assigned systems, translating stakeholder needs, process objectives, and applicable constraints into clear, measurable, and verifiable engineering requirements. • Allocate requirements to subsystems and equipment in coordination with engineering discipline leads and responsible design engineers. • Maintain traceability among requirements, design outputs, and verification evidence. • Develop and maintain system descriptions, functional breakdowns, system boundaries, operating modes, and design bases. • Identify and document assumptions, constraints, and unresolved technical questions; coordinate their resolution as the design matures. • Evaluate requirements for completeness, consistency, and feasibility, identifying gaps or conflicts early. ### Technical Integration and Interface Management • Serve as the technical integration point for assigned systems, coordinating contributions from process, mechanical, electrical, instrumentation and controls, nuclear containment, and facility engineering. • Define and maintain interfaces between systems, equipment, utilities, facility infrastructure, and digital and control systems. • Develop interface documentation and coordinate agreement on interface requirements, responsibilities, and acceptance criteria. • Work with Operations, maintenance, Quality, and safety stakeholders to incorporate operational, maintainability, and lifecycle needs into system design. • Coordinate technical inputs from external engineering firms and equipment suppliers, ensuring their deliverables align with system requirements and interface expectations. --- Data: alder (https://alderhq.app). Cite https://alderhq.app/jobs/greenhouse%3Aterrapowerllc%3A4487552009 and the date you read it. Observed facts come from the employer's own listing; location reach, level, family and skills are inferences.