Posted 3w ago

Service Technician (HD Journeyman) (310T, 421A, 425A, 310S)

@ Custom Truck One Source
Ayr, Ontario, Canada
OnsiteFull Time
Responsibilities:Diagnosing systems, Performing maintenance, Reading schematics
Requirements Summary:Journeyman or Red Seal; Ontario qualifications; strong hydraulic/electrical diagnostics; valid G license; own tools; HS diploma or equivalent.
Technical Tools Mentioned:Cummins INSITE, DTNA, OEM diagnostic software
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Job Description

 

Custom Truck One Source (CTOS) 127 Earl Thompson Place, Ayr, ON N0B 1E0

 

  • Utility Trucks & Equipment Boom /Bucket / Dump Trucks, Cranes, Digger Derrick.
  • 6:30 am-3:00 pm, Monday-Friday, OT as needed.

About the Role

Service Technicians (310T, 421A, 425A, 310S) Journeyman, or Red Seal. You will play a critical role in keeping specialized utility trucks and equipment safe, reliable, and ready for the field.  This is a hands-on role where you will inspect, troubleshoot, repair, and maintain utility trucks, aerial devices, cranes, and other vocational equipment used by essential industries across North America.

What You’ll Do

  • Diagnose, service, and repair utility trucks, aerial devices, cranes, and related equipment
  • Perform preventive maintenance and safety inspections
  • Troubleshoot mechanical, hydraulic, electrical, and pneumatic systems
  • Repair truck chassis, PTO systems, aerial lifts, booms, and attachments
  • Read and interpret schematics, blueprints, and manufacturer specifications
  • Use diagnostic tools and software (e.g., Cummins INSITE, DTNA, or similar)
  • Perform component rebuilds (gearboxes, cylinders, outriggers, etc.)
  • Conduct inspections, testing, and quality checks after repairs
  • Complete accurate service documentation and work orders
  • Ensure all work meets safety and quality standards (CSA, ANSI, dielectric testing where applicable)
  • Collaborate with team members in a professional shop environment
  • Participate in safety meetings and maintain a safe workplace

 

Why Join CTOS?

  • Work on specialized, custom-built equipment—not repetitive dealership work
  • Stable, growing company supporting essential industries
  • Exposure to multiple trades (electrical, hydraulic, mechanical)
  • Opportunities for training, development, and advancement
  • Team-oriented culture focused on safety and craftsmanship

Qualifications

  • Ontario Certificate of Qualification (preferred):
    • 310T – Truck and Coach Technician
    • 421A – Heavy Equipment Technician
    • 425A – Agricultural Equipment Technician
    • 310S – Automotive Service Technician
  • Strong experience with hydraulic and electrical diagnostics
  • Welding and fabrication experience is an asset
  • Experience with OEM diagnostic software preferred
  • Ability to work independently and as part of a team
  • High school diploma or equivalent
  • Valid Ontario Class G Driver’s License (clean abstract preferred)
  • Must have own tools

Benefits

  • Dental care
  • Extended health care
  • Vision care
  • Life and disability insurance
  • Employee assistance program (EAP)
  • Paid time off

 

About Custom Truck One Source

Custom Truck One Source (CTOS) is a leading manufacturer and provider of utility trucks and equipment with over 30 years of experience. With 40+ locations across North America, 2,500+ employees, and a fleet of more than 10,000 units, CTOS supports customers in utilities, telecom, construction, forestry, energy, and rail—helping keep critical infrastructure moving every day.


Apply today to build a career where your skills make an impact.