> Markdown version of [/jobs/ext/219622-senior-fuel-handling-system-design-engineer](https://www.wearedevelopers.com/jobs/ext/219622-senior-fuel-handling-system-design-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Fuel Handling System Design Engineer - **Company:** Hansell Tierney - **Location:** Bellevue, WA, United States - **Experience:** Expert - **Salary:** $143,520.0 - $239,200.0 - **Contract:** Temporary contract - **Skills:** Testing (Software), 3d Models, Adobe InDesign, DevOps, PDMS, Software Requirements Analysis, Test Execution Engine, TypeScript - **Published:** May 15, 2026 - **Apply:** https://www.careerjet.com/jobad/us2a9562780ee21e876963114379d62ab6 ## About the Role * B.S. in Mechanical or related discipline; 10+ years direct experience with proven mechanical systems skills. * Demonstrated expertise in design of complex mechanical systems, structures, and equipment. * Previous nuclear reactor or nuclear fuel handling system design experience required. * Experience with high-temperature and multidisciplinary integration highly desired. * Excellent technical writing, communication, and presentation skills. * Attention to detail and commitment to technical excellence. * Demonstrated ability to coordinate and lead design teams with minimal direction. * Ability to manage multiple simultaneous tasks requiring multidisciplinary approach. * Experience with ASME Section III standards. * Experience working to quality standards such as ASME NQA-1 or ISO 9001. Nice to Have: * Piping design and pipe stress analysis experience. * Thermal design and heat exchanger design background. * Experience with testing program planning and execution. * Leadership experience on large engineering projects. ## Description * This is a senior mechanical systems design role for fuel handling and process equipment in advanced reactors. * Responsibility for end-to-end system design, regulatory analysis, supplier management, and design package delivery. * Heavy emphasis on ASME Section III compliance, multidisciplinary integration, and technical leadership. * Leadership coordination with licensing, suppliers, and cross-functional engineering teams., * Design fuel handling systems from requirements through final design and fabrication specifications. * Coordinate review of thermal, seismic, structural, and pipe stress analyses; integrate into plant design delivery. * Provide design direction regarding thermal and fluid requirements for system performance. * Identify and ensure application of correct design codes (ASME, ANS, ASTM, IEEE, NFPA) to system design. * Provide technical direction and guidance to engineers on nuclear and non-nuclear design standards. * Analyze and allocate regulatory criteria and standards to complex mechanical and process system design. * Support planning efforts and maintain schedule adherence for design activities. * Create and manage P&IDs, 3D models, and system interface drawings. * Interface with design disciplines to identify and develop plant design information and system specifications. * Provide technical direction and oversight of supplier projects; coordinate technical reviews of deliverables. * Establish and maintain system requirements and specification documents. * Propose and manage testing programs for system qualification as needed. * Support test execution, evaluation of results, and test reporting. * Develop design packages including calculations, reports, mechanical drawings, and engineering design specifications. * Support design reviews and interface with licensing activities., Role Overview: As a Senior Full-Stack Engineer specializing in TypeScript, you will play a pivotal role in designing and developing robust, scalable web applications. 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