CNC Machinist

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BWXT Precision Manufacturing Inc. (BWXT PMI) is a leading supplier of nuclear-grade materials and precision-machined components for CANDU® nuclear power utilities around the globe. We are an industry leader in providing critical nuclear components such as Fuel Channel End Fittings, Liners, Feeders, and Shield Plugs. BWXT PMI has a range of opportunities in professional disciplines, including Machining, Metal Fabrication, Quality Control, Project Management and Engineering.

For more information, please see our website here.

BWXT PMI is conveniently located between Toronto and Hamilton, nestled along Lake Ontario. Oakville invites you to relax and enjoy a perfect blend of urban charm and natural beauty. With its lakeside views, vibrant arts scene, and abundant outdoor activities, Oakville offers something for everyone. Home to over 200,000 residents, this thriving community combines rich culture, exceptional dining, and welcoming neighborhoods, making it a great place to live, work, and explore:
Parks, Recreation & Culture.

We believe in empowering our employees and cultivating a dynamic workplace that fosters growth and collaboration. Whether you’re an experienced professional or just starting your career, you'll find opportunities to challenge yourself, learn from seasoned experts, and contribute to nuclear innovation. We require a diverse range of skills to support our work in the markets that drive our business and welcome candidates from all backgrounds and life stages who are passionate about making a difference.

The CNC Machinist reports to the Production Supervisor and is responsible for the operation of one or more CNC machines. The CNC Machinist manufactures large precision‑machined components working to tolerances less than 0.0005” using four and five axis mills, lathes, and/or mill‑turn equipment. All work must be done purposefully with safety as the first priority.

Onsite in Oakville, Ontario

• Run multiple BWXT machines and demonstrates an ability to work on various BWXT parts of varying degrees of complexity.
• Design and machine complex tooling / fixture as necessary.
• Establish with CNC Programmers and Engineers the key dimensions that need to be trended at the machine in the dimension sheets and in the MCS to ensure process capability.
• Adjust programs/reprogram the part in accordance with the approved PCR.
• Set up, troubleshoot and/or operate one or more of the following machine(s), using vises, fixtures, chucks, etc., concurrently in assigned area under limited supervision: CNC lathe, CNC mill, bandsaw, manual mill, manual drill press, and other power tools.
• Read and interpret technical drawings to set‑up parts appropriately to ensure conformity and cycle time requirements.
• May transfer CNC programs between CNC equipment.
• Monitor to ensure Tool Life Management is implemented across the cell and in the respective machines which have automated systems.
• Work with Manufacturing Engineering and Programming to prove out programs and lock them out, standardize and make minor changes to existing programs in accordance with established procedures.
• Enhance and follow approved work instructions and drawings provided.
• Strive to hit 100% first time throughput on setup’s and expedited through the QC department.
• Follow MCS and complete sign-offs as required.
• Perform basic machine adjustments, if necessary (ex. tool offsets).
• Set tools per Tooling Set Sheet.
• Read and interpret technical drawings to verify machined parts.
• Complete PCR’s to indicate process deficiencies or to make continuous improvement recommendations.
• Follow tooling life replacement program.
• Visually or mechanically inspect parts for defects (cracks, chips, dimension, surface finish, etc.) as part of in‑process inspection; record results and…