310T Diesel Mechanic: Fleet Diagnostics & Repair

GFL Environmental Inc.; Aurora; On-site; CAD 55,000 - 69,000; Full time

Benefits offered by this job

Competitive pay

Health benefits

RRSP/DPSP

Modern shops

National growth

EAP

Employee discounts

Job summary

GFL Environmental Inc. in Canada is seeking a skilled 310T Mechanic to inspect, maintain, repair, and rebuild company-owned heavy-duty diesel trucks and related equipment, ensuring assets operate reliably and in compliance with regulatory standards while supporting safe, efficient fleet operations.

This role offers hands-on diagnostic work, planning and coordination of repairs, and usage of fleet maintenance software to complete work orders and reports.

Qualifications

• Valid 310T Truck & Coach Technician license.
• Minimum 1 year of diesel mechanic experience.
• High school diploma or GED; technical diploma preferred.
• Experience using diagnostic software is a strong asset and willingness to learn new systems.
• Safety-sensitive position with strict compliance to company standards.

Responsibilities

• Diagnostics and repair of heavy-duty diesel trucks and equipment (diesel, CNG, gasoline, and electric-powered units).
• Perform preventive maintenance to ensure fleet reliability.
• Complete work orders, repair reports, and parts requests using fleet maintenance software.
• Plan and coordinate repairs using the M5 planner and procure required parts.
• Ensure safety compliance and maintain a clean, organized shop.
• Follow company policies and perform other duties as assigned by management.

Skills

310T license

Diesel mechanic experience

Safety-conscious

Diagnostic software

Safety protocols

Education

High school diploma or GED

Technical diploma preferred

Tools

Diagnostic software

Job description

GFL Environmental Inc. in Canada is seeking a skilled 310T Mechanic to inspect, maintain, repair, and rebuild company-owned heavy-duty diesel trucks and related equipment, ensuring assets operate reliably and in compliance with regulatory standards while supporting safe, efficient fleet operations.

This role offers hands-on diagnostic work, planning and coordination of repairs, and usage of fleet maintenance software to complete work orders and reports.