Set up CNC milling machines and prove out programs while producing precision components in Woodbridge, Ontario. Apply robust inspection skills daily.
As a CNC Mill Setup Operator, you will handle one-off, prototype, tooling, and short production jobs. You will interpret engineering drawings and GD&T;, prepare workholding, set tools and offsets, and inspect first articles. The work includes aluminum, stainless steel, and tool steels for MAS Precision Parts customers.
Key Responsibilities: Review drawings and programs before planning each setup
Mount fixtures, touch off tools, and set work offsets
Dry-run programs and inspect first pieces against drawings
Monitor tool wear, chip load, and part quality
Document measurements and maintain inspection records
Requirements: Five or more years setting up CNC milling machines
Ability to complete independent first-article prove-outs
Experience machining aluminum, stainless steel, and tool steels
Ability to interpret engineering drawings and GD&T;
Familiarity with ISO tolerancing and inspection practices
Use CNC setup, first-article inspection, and machining knowledge to deliver tight-tolerance parts at MAS Precision Parts.

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📌 CNC Mill Setup Operator (Ontario)
🏢 MAS Precision Parts
📍 Ontario