Precision Castparts Corp. CNC Machinist Set Up Operator in Woodbridge, Ontario

Position Summary:

Setup and operate vertical, horizontal 3-6 axis CNC machining centers and CNC lathes.

Primary Duties & Responsibilities:

  • Setup of machines through use of proper tools, and the most efficient technique. Align vises, fixtures with indicator to be parallel or square to a reference surface. Indicate position of the fixture and parts. Set axis to correct position by using the right numeric code. Load and unload the program.

  • Participate in the update and maintenance of set up sheets for all parts through the work center.

  • Operate machine with proper guarding in place, report any damaged guarding, tool holders, tools etc. Ensure guards are replaced after set up. Monitor oil levels of machine; keep machine and tools in condition.

  • Check the first part and make sure that all the dimensions are within tolerance.

  • Change and modify programs where applicable.

  • Change tool length and diameter offsets, fixture and pallet offsets.

  • Modify and grind cutting tools as required, and use proper feed and speed for maximum efficiency.

  • Keep production running; debur and prep parts for loading, or clean parts to reload.

  • Check parts, debur, tapping, counter boring and cleaning up tools holders from the previous setup.

  • Prepare tools and fixtures for the next job, get new tools, use regrind tools as required. Make sure to plan ahead when special tools may be required.

  • Follow Health and Safety Policies and practice safe work habits, industrial hygiene and good housekeeping around benches and machines.

  • Identify opportunities for improvement via new tooling, set up reduction concepts and programming changes to improve cost and delivery

  • Participate in root cause and corrective action identification for inferior quality parts.

  • All other duties as assigned.


  • Minimum 3 years’ experience running CNC machines

  • Aerospace experience preferred

  • A Certificate of Qualification as a General Machinist or equivalent and additional upgrading courses involving CNC technology required

Required Skills/Competencies:

  • Basic computer skills are an asset, Fanuc or Mazak control knowledge is a must

  • Ability to use all the available measuring tools such as micrometer, dial gauges, deep micrometer, vernier, measuring block, and height gauges

  • Ability to create layouts, read and interpret blue prints and drawings

  • Full understanding of geometric tolerances

  • Ability to identify wear of cutting tools (inserts, drills, end mills, boring bars, etc.)

  • Ability to change and set cutting tools

  • Ability to communicate effectively, both verbal and written

  • Attention to detail

  • Flexibility and adaptability

  • Initiative and results focused

  • Quality and safety

  • Technical Skills

Requisition ID: 002.18