421A Heavy Duty Mechanic

GFL Environmental; Thessalon; On-site; CAD 65,000 - 90,000; Full time

Benefits offered by this job

Competitive pay

Health benefits

RRSP/DPSP retirement savings

Modern shop & gear

Career growth across national network

Employee Assistance Program

Green for Life perks

Job summary

GFL Environmental is seeking a Heavy Duty Mechanic to keep our fleet running safely and efficiently. You will perform preventive maintenance, inspect, diagnose, and repair vehicles and equipment with minimal supervision to support our operations.

Responsibilities include preventive maintenance, diagnostics of electrical/hydraulic systems, and documenting repairs. The role requires a 421A certification and at least two years of hands-on experience in heavy equipment maintenance.

Qualifications

• Valid 421A Heavy Duty Equipment Technician Certification.
• Minimum 2 years of experience in automotive, truck, or heavy equipment maintenance and repair.
• Working knowledge of fuel, ignition, cooling, mechanical, hydraulic, electrical, and air brake systems; read hydraulic schematics.

Responsibilities

• Perform scheduled preventive maintenance and safety checks on vehicles and equipment.
• Inspect, diagnose, and repair electrical, hydraulic, suspension, brake, and air systems; use vehicle computer electronics to initiate repairs.
• Handle emergency breakdown service calls and complete repairs within Standard Repair Times (SRTs).
• Accurately document repairs, parts usage, and repair times in fleet maintenance software; review DVIRs.
• Estimate time and material costs for repairs and requisition necessary parts.
• Maintain a clean, organized, and OSHA-compliant work area.
• Assist in orienting and training apprentices and communicate maintenance needs to operations.

Skills

421A Certification

Experience: 2 years

Diagnostic skills

Safety compliance

Independent work

Read hydraulic schematics

Job description

Job Summary:

At GFL, our Heavy Duty Mechanics do more than repair equipment—they are essential to keeping our fleet running safely and efficiently, ensuring we can continue to serve our communities. In this role, you will perform preventive maintenance, inspect, diagnose, and repair vehicles and equipment, working under minimal supervision to keep our operations moving.

Why GFL:

• Competitive Pay: Individual pay is determined by responsibilities, experience, and location.
• Comprehensive Health Benefits: Full employer-paid medical, dental, and vision coverage for you and your family.
• Retirement Savings: Company-matching RRSP/DPSP program to secure your financial future.
• Modern Shop & Gear: Work out of well-equipped facilities with the latest diagnostic technology and tools.
• Nationwide Career Growth: Clear pathways for advancement across GFL’s growing national network.
• Employee Support: Full access to our confidential Employee Assistance Program (EAP).
• Green for Life Perks: Exclusive employee discount programs, perks, and team recognition initiatives.

Requirements:

• Licensing: Valid 421A Heavy Duty Equipment Technician Certification registered in the Skilled Trades of Canada.
• Experience: Minimum 2 years of experience in automotive, truck, or heavy equipment maintenance and repair.
• Technical Proficiency: Working knowledge of fuel, ignition, cooling, mechanical, hydraulic, electrical, and air brake systems; ability to read hydraulic schematics.
• Diagnostic Skills: Ability to utilize vehicle computer electronics systems to interpret failure modes and effectively diagnose defects.
• Safety Commitment: Ability to successfully satisfy all company standards for safety-sensitive positions; deep knowledge of safety procedures and practices.
• Reliability: Ability to work independently, manage time effectively, and document repairs accurately.

Responsibilities:

• Preventive Maintenance: Perform scheduled preventive maintenance services and conduct safety checks on vehicles and equipment.
• Repair & Diagnostics: Inspect, diagnose, and repair electrical, hydraulic, suspension, brake, and air systems; utilize vehicle computer electronic systems to initiate repairs.
• Operational Support: Perform emergency breakdown service calls and complete repairs within Standard Repair Times (SRTs).
• Documentation & Planning: Accurately document repairs, parts usage, and repair times using fleet maintenance software; review and complete repairs identified on Driver Vehicle Inspection Reports (DVIRs).
• Parts Management: Estimate time and material costs for repairs and requisition necessary parts.
• Facility Upkeep: Maintain a clean, organized, and compliant work area in strict accordance with Corporate and OSHA standards.
• Safety Compliance: Adhere to all established safety procedures and perform all work in a safe manner.
• Team Collaboration: Assist in orienting and training apprentices as required, and effectively communicate maintenance needs to operations.

#GFLTalent

We thank you for your interest. Only those selected for an interview will be contacted.

GFL is committed to equal opportunity for all, without regard to race, religion, color, national origin, citizenship, sex, sexual orientation, gender identity, age, veteran status, disability, genetic information, or any other protected characteristic. If you are interested in applying for employment and need special assistance or an accommodation to apply for a posted position, please contact.
Please note that GFL does not provide visa sponsorship for this position. Valid work authorization in the country where the job is located is required. Successful candidates will be required to provide valid documentation confirming their eligibility to work in the country where the job is located prior to their start date.

This hiring process may utilize machine-based systems to assist in screening and assessing applicants. Final selection decisions are made by our recruitment team.