310T Mechanic (Day Shift)

GFL Environmental; Barrie; On-site; CAD 83,000 - 104,000; Full time

Benefits offered by this job

Employer-paid health benefits

RRSP/DPSP matching

Modern fleet & shops

Career growth opportunities

Employee Assistance Program

Job summary

GFL Environmental in Barrie, Ontario is seeking a 310T Heavy‑Duty Diesel Mechanic to inspect, repair, and rebuild fleet vehicles and equipment. Your work ensures the trucks operate safely, reliably, and in regulatory compliance. You will diagnose issues, perform preventive maintenance, and document work using fleet software.

The role requires safety‑driven hands‑on work and collaboration with operations. This position offers competitive hourly wages, comprehensive benefits, RRSP/DPSP matching,

Qualifications

• Valid 310T Truck & Coach Technician license is required.
• Minimum 1 year of experience as a diesel mechanic.
• High school diploma or GED required; technical diploma preferred.

Responsibilities

• Diagnostics & repair of heavy-duty diesel trucks and equipment including 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 schedule repairs using the M5 planner and procure parts; coordinate with operations.
• Maintain safety by complying with all company and regulatory standards.
• Maintain tools and shop; keep areas clean and safe.
• Follow company policies and perform additional duties as assigned.

Skills

Diesel mechanic

Diagnostic software

Safety conscious

Education

High school diploma

Tools

Fleet maintenance software

Diagnostic tools

Job description

Job Summary:

At GFL, our 310T Mechanics do more than repair trucks—they keep our fleet running safely and efficiently, ensuring we can continue to serve our communities. In this key role, you will be responsible for inspecting, maintaining, repairing, and rebuilding company-owned heavy-duty diesel trucks and related equipment, ensuring all assets operate reliably and in compliance with regulatory standards.

Why GFL:

• Competitive Pay:Hourly wages ranging from $40–$50/hr, determined by experience and qualifications.
• 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 Fleet & Gear:Work out of safe, modern shops with new equipment, tools, and the latest diagnostic technology.
• 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 310T Truck & Coach Technician license.
• Experience:Minimum 1 year of experience as a diesel mechanic.
• Education:High school diploma or GED required; technical diploma preferred.
• Technical Proficiency:Experience using diagnostic software is considered a strong asset, along with strong computer literacy and a willingness to learn new systems.
• Safety Commitment:Ability to successfully satisfy all company standards for safety-sensitive positions.

Responsibilities:

• Diagnostics & Repair:Diagnose and repair operational issues on heavy-duty diesel trucks and equipment, including diesel, CNG, gasoline, and electric-powered units.
• Preventive Maintenance:Perform thorough maintenance and repairs to ensure fleet reliability.
• Administrative Tasks:Complete work orders, repair reports, and parts requests; perform required administrative tasks daily using fleet maintenance software.
• Planning & Coordination:Plan and schedule repairs using the M5 planner and procure required parts; review mechanical write-ups and coordinate schedules with operations.
• Safety Compliance:Ensure all work is completed in a safe manner in full compliance with company and regulatory safety requirements.
• Tool & Shop Maintenance:Maintain and utilize a variety of hand tools, power tools, and diagnostic equipment; keep work areas clean, organized, and compliant with safety standards.
• Operational Support:Follow all company policies and procedures, and perform other duties and responsibilities as assigned by management.

#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.