Mechanical Designer

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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  .

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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.

As our Mechanical Designer, you will support mechanical and manufacturing engineers by converting concepts and hardware into precise CAD models, assemblies, and technical documentation. You will develop test stand designs, centrifuge hardware documentation, and tooling/fixture models using Solid Works, AutoCAD, and PDMLink in a high‑security DOE/NNSA environment.

On-site in Oak Ridge, Tennessee (Q Clearance Required)

• Create and revise 3D CAD models and 2D drawings using Solid Works and AutoCAD.
• Translate engineering concepts into manufacturable designs and documentation.
• Apply GD&T and drafting standards to ensure clarity and manufacturability.
• Support mechanical hardware design including rotating systems, frames, enclosures, and tooling.
• Manage CAD data, revisions, and document control via PDMLink.
• Conduct self-checks and peer reviews to ensure accuracy.
• Prepare BOMs, assembly drawings, exploded views, and fabrication packages.
• Support change management workflows including ECNs and controlled releases.
• Provide technical support to manufacturing teams and verify as‑built conditions.
• Participate in design reviews and cross-functional collaboration.
• Help develop CAD standards, templates, and best practices.
• Ensure compliance with quality and configuration control requirements.

• Associate degree or technical certification in CAD, Mechanical Design, or Drafting.
• Minimum 5 years of mechanical design or drafting experience.
• Proficiency with Solid Works and AutoCAD.
• Experience with PDMLink or similar PLM systems.
• Strong attention to detail and organizational skills.
• Ability to read and interpret engineering drawings and models.
• Understanding of engineering change workflows.
• Ability to perform field verification and troubleshoot discrepancies.
• Strong communication and teamwork skills.
• Must be a…