CNC Machinist - Boring Mill - Night Shift

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

$25–$40 / hour

Opens an external site

Employment type: Full-time
Experience level: Senior · 5+ years
Minimum education: Professional degree
Posting language: English
Working hours: 40 hours per week

Job summary

The CNC Machinist is responsible for the setup and operation of large horizontal boring mills to machine complex components weighing up to 80 tons. They must interpret engineering drawings, perform quality inspections, and maintain equipment to ensure production efficiency and safety.

Job details

Position Summary The CNC Machinist – Horizontal Boring Mill reports directly to the Plant Manager – Machining and Plant Manager - Fabrication and is responsible responsible for the setup and operation of large CNC Horizontal Boring Mills to machine complex components ranging from 5 to 80 tons. This position requires an experienced machinist capable of working in a custom, one-off machining environment, interpreting engineering drawings, performing machine setups, and machining large fabricated and cast components to precise specifications. The successful candidate will work independently with minimal supervision while maintaining a strong focus on safety, quality, and productivity. Duties & Responsibilities CNC Machining & Setup * Work in a custom, one-off machining environment interpreting engineering drawings and performing full setups. * Responsible for setup and operation of large CNC Horizontal Boring Mills. * Machine complex components ranging from 5 to 60 tons according to specifications defined on job travelers, drawings, and sketches. * Read and interpret blueprints and symbols related to tolerances, GD&T, and surface finishes. * Perform pre-inspection of parts to ensure product compliance is achievable prior to machining operations. * Verify tooling requirements are available prior to the commencement of each job and escalate any concerns to the Plant Manager. * Machine products using optimal cutting conditions to maintain efficiency and cost effectiveness. * Maintain strong focus on safety, quality, and productivity while working independently. Program Review & Tooling * Read and understand CNC programs to a level that allows modification or editing when required. * Maintain tooling in peak operating condition. * Ensure proper tooling selection and setup for large component machining. Inspection & Quality Control * Verify dimensions of machined components using precision measuring instruments such as micrometers, bore gauges, indicators and calipers * Maintain measuring instruments in proper working condition through regular cleaning and calibration * Ensure machined parts meet dimensional and quality requirements * Perform inspection of critical features as outlined by job travelers and quality department and record results on company prepared documentation Equipment Operation & Maintenance * Perform daily machine checks in accordance with preventative maintenance programs and safety procedures * Maintain machines and equipment in safe and production condition including: * Routine Lubrication * Monitoring coolant levels * General cleaning and upkeep * Maintain excellent general housekeeping including work areas, chip removal, benches, floors and storage areas Skills, Qualifications & Experience * 5–8 years of CNC Machining experience with large parts * Proficient with Fanuc, Heidenheim or Siemens CNC Controls * Ability to read blueprints, drawings and technical specifications * Follow OHSA, shop safety practices, and manufacturing compliance standards * Experience working with overhead cranes, forklifts, and heavy equipment considered an asset * Willingness and ability to work extended hours, including Saturdays, as required to support scheduling and production demands * General machinist certification and GD&T knowledge is preferred

What you’ll do

Requirements

Candidates must have 5–8 years of experience with large-part CNC machining and proficiency in Fanuc, Heidenheim, or Siemens controls. A general machinist certification and the ability to read complex blueprints and GD&T specifications are preferred.