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Maintenance Lead; CNC Shop

Job in ontario, ca, Toronto, Ontario, M5A, Canada
Listing for: FactoryFix
Full Time position
Listed on 2026-11-04
Job specializations:
  • Manufacturing / Production
    Maintenance Technician / Mechanic, Industrial Maintenance
Job Description & How to Apply Below
Position: Maintenance Lead (CNC Shop)
Location: ontario, ca

Maintenance Lead/Working Supervisor – Precision Machining

Location:

Ontario, CA

Job Type: Full-Time

Position Overview

Tek Pro is partnered with a rapidly growing precision machining manufacturer serving the aerospace and defense industries is seeking an experienced, hands-on Maintenance

Supervisor to lead

maintenance

operations at its approximately 150,000-square-foot manufacturing facility in Ontario, California.

This is an excellent opportunity for a maintenance

lead

er who enjoys being on the manufacturing floor, working directly with CNC machine tools and solving equipment problems, while also taking ownership of the overall maintenance

function.

The facility operates a sophisticated mix of CNC machining equipment used to manufacture complex, high-precision components. We are looking for someone with strong CNC machine tool maintenance

and troubleshooting expertise who can keep equipment running reliably, respond quickly to breakdowns, and build a strong preventive maintenance

program as the operation continues to grow.

This is not a desk-only maintenance

management role. The Maintenance

Manager will be expected to remain technically involved, troubleshoot equipment alongside the maintenance

team, and provide lead

ership on difficult machine and facility issues.

Key Responsibilities

  • Lead day-to-daymaintenance

    activities throughout a large, high-precision CNC machining operation.

  • Provide hands-on troubleshooting and repair support for CNC machine tools and associated manufacturing equipment.

  • Diagnose mechanical, electrical, hydraulic, pneumatic, controls, and machine-related problems.

  • Troubleshoot CNC equipment issues involving spindles, servos, drives, motors, sensors, lubrication systems, coolant systems, hydraulics, pneumatics, and machine controls.

  • Work directly with technicians and outside machine-tool service providers to quickly identify root causes and return equipment to production.

  • Develop, manage, and continuously improve preventive and predictivemaintenance

    programs for CNC equipment and facility systems.

  • Establishmaintenance

    priorities based on equipment criticality, production requirements, safety, and downtime impact.

  • Track machine downtime and recurring failures and implement corrective actions to improve equipment reliability.

  • Maintain appropriate inventories of critical spare parts, tooling, components, andmaintenance

    supplies.

  • Coordinate outside contractors and OEM service technicians for specialized repairs, installations, and major equipment projects.

  • Support the installation, commissioning, relocation, and startup of new CNC machine tools and manufacturing equipment as the company expands.

  • Overseemaintenance

    of supporting facility infrastructure, including electrical, compressed air, HVAC, coolant, and other manufacturing support systems.

  • Develop and mentormaintenance

    personnel while remaining actively involved in technical troubleshooting.

  • Partner closely with Operations, Manufacturing Engineering, Quality, and Productionlead

  • ership to minimize downtime and support production requirements.

  • Ensuremaintenance

    activities are completed safely and in accordance with applicable company and regulatory requirements.

  • Qualifications

  • Strong hands-on experience maintaining and troubleshooting CNC machine tools in a precision machining environment.

  • Demonstrated ability to diagnose complex CNC equipment problems across mechanical and electrical systems.

  • Experience with CNC controls, servo systems, drives, motors, sensors, hydraulics, pneumatics, and related machine components.

  • Previousmaintenance

    lead

  • ership, supervisory, or management experience in a manufacturing environment.

  • Strong understanding of preventivemaintenance
  • , equipment reliability, root-cause troubleshooting, and machine uptime.

  • Ability to read and interpret electrical schematics, mechanical drawings, machine manuals, and technical documentation.
  • Comfortable working directly on the manufacturing floor and responding to urgent equipment issues.
  • Experience coordinating machine-tool OEMs, contractors, and outside service providers.
  • Experience supporting high-precision CNC machining operations strongly preferred.
  • Aerospace, defense, medical, automotive, or other highly regulated precision manufacturing experience is a plus.
  • Why This Opportunity

    This is an opportunity to join a high-growth precision manufacturing organization supporting demanding aerospace and defense programs. The company continues to invest in its manufacturing capabilities, equipment, and infrastructure, creating an important…

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