Mechanical Engineer - Test Stands & Processes

At BWX Technologies, Inc. (NYSE: BWXT), we are People Strong, Innovation Driven. A U.S.-based company, BWXT is a Fortune 1000 and Defense News Top 100 manufacturing and engineering innovator that provides safe and effective nuclear solutions for global security, clean energy, environmental restoration, nuclear medicine and space exploration. With more than 7,800 employees, BWXT has 14 major operating sites in the U.S., Canada and the U.K. We are the sole manufacturer of naval nuclear reactors for U.S. submarines and aircraft carriers. Our company supplies precision manufactured components, services and fuel for the commercial nuclear power industry across four continents. Our joint ventures provide environmental restoration and operations management at a dozen U.S. Department of Energy and NASA facilities. BWXT’s technology is driving advances in medical radioisotope production in North America and microreactors for various defense and space applications. For more information, visit www.bwxt.com . Follow us on LinkedIn , X , Facebook and Instagram . Welcome to BWXT We believe in empowering our employees and cultivating a dynamic workplace that fosters growth, collaboration, and technical excellence. At our Oak Ridge, Tennessee Enrichment Operations site, you will join teams working at the forefront of advanced nuclear manufacturing, precision engineering, and mission‑critical national security programs. Whether you're an experienced professional or just starting your career, you’ll find opportunities to challenge yourself, partner with seasoned experts, and contribute to innovation shaping the future of nuclear technology. Our work requires a wide range of skills, and we welcome candidates from diverse backgrounds and career stages who share a passion for meaningful impact and technical advancement. Position Overview As our Mechanical Engineer for Test Stands & Processes, you will support engineering and manufacturing efforts associated with the BWXT portion of the DUECE centrifuge program. You will design, develop, and integrate mechanical test stands, process equipment, and mechanical systems used for assembly, testing, and verification of enrichment centrifuges. This role spans concept development through fabrication, installation, operation, and documentation within a DOE/NNSA high-security environment. Location On-site in Oak Ridge, Tennessee (Q Clearance Required) Your Day to Day as a Mechanical Engineer – Test Stands & Processes • Collaborate with engineering teams to design mechanical test stands and unique process equipment. • Use SolidWorks, AutoCAD, and PDMLink to design and model mechanical systems, fixtures, and tooling. • Develop functional and interface requirements for new designs. • Analyze, test, and integrate mechanical components to meet system requirements. • Evaluate designs for cost, performance, reliability, safety, and compliance. • Create controlled engineering documentation including P\&IDs, hazard…