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

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Full Time Non-Exempt [Hourly] Technical Ayr, ON, CA

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

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

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.

• 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)
• 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

• 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

• 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
• Must have own tools
• Dental care
• Extended health care
• Life and disability insurance
• Employee assistance program (EAP)
• Paid time off

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.