Senior CNC Programmer

Toronto, ON
On-site
Posted Oct 14, 2026
1 position

$30–$55 / hour

Opens an external site

Employment type: Full-time
Experience level: Lead · 10+ years
Minimum education: Professional degree
Posting language: English
Working hours: 40 hours per week

Job summary

Develop, verify, and optimize complex CNC programs for multi-axis machining centers while ensuring productivity and quality standards. Provide technical leadership and collaborate with manufacturing teams to implement process improvements and troubleshoot machining issues.

Job details

Duties & Responsibilities * Develop, verify and optimize CNC programs using the latest version of Mastercam. * Program complex turning centres, horizontal boring mills, vertical boring mills and multi-axis machining centres. * Develop machining strategies that maximize productivity, quality, tool life and machine utilization. * Prepare complete setup documentation including tooling sheets, setup sheets, fixture requirements and work instructions. * Develop and maintain comprehensive tool lists and tooling assemblies for production. * Select cutting tools, inserts, workholding and fixturing appropriate for each application. * Review customer models, drawings and GD&T requirements prior to programming. * Support prove-outs, troubleshoot machining issues and implement process improvements. * Work closely with machinists, inspectors and manufacturing engineers throughout production. * Lead continuous improvement initiatives focused on cycle time reduction, setup reduction and process standardization. Skills, Qualifications & Experience * Minimum 10 years of CNC programming experience in a precision machining environment. * Expert-level Mastercam programming experience. * Extensive experience programming CNC turning centres and horizontal/vertical boring mills. * Demonstrated experience programming complex 3-, 4- and 5-axis machining operations. * Strong understanding of tooling, cutting parameters, work holding and machining process development. * Extensive experience creating and managing tool lists, setup documentation and tooling assemblies. * Ability to interpret engineering drawings, 3D CAD models and GD&T. * Experience machining large fabricated weldments, forgings and castings. * Experience machining carbon steel, alloy steel, stainless steel and cast iron. * Experience machining nickel-based alloys (Inconel, Waspaloy, Hastelloy, Monel, etc.) is considered a significant asset. * General Machinist Certificate or equivalent trade certification is considered an asset. * Experience with Concepts NREC software is considered an asset. * Provide technical leadership and mentorship to machinists and junior programmers. * Communicate effectively with engineering, quality and operations. * Maintain a strong commitment to safety, quality and continuous improvement. * Manage multiple projects while meeting production schedules

What you’ll do

Requirements

Requires a minimum of 10 years of CNC programming experience in a precision machining environment with expert-level proficiency in Mastercam. Candidates must demonstrate extensive experience with complex multi-axis operations and the ability to interpret engineering drawings and GD&T.