At GFL Environmental, we’re not just maintaining trucks — we’re powering the communities we serve. As a Diesel Mechanic (Levels A–C), you’ll play a critical role in keeping our modern fleet of refuse, recycling, and support vehicles operating safely, efficiently, and reliably.
Whether you’re a seasoned master technician or an experienced mechanic looking to grow, GFL offers career progression, stability, and the opportunity to work with industry-leading equipment.
Perform preventive maintenance and repairs on a diverse fleet of diesel-powered vehicles and equipment
Diagnose and troubleshoot engines, electrical systems, hydraulics, air brakes, and emissions systems
Conduct DOT inspections and ensure compliance with safety and regulatory standards
Utilize diagnostic software and tools to efficiently identify and resolve issues
Maintain accurate service records and communicate repair needs clearly
Work closely with operations and leadership to minimize downtime and maximize fleet reliability
Follow all safety policies, procedures, and best practices
Mechanic Levels Explained
Diesel Mechanic C (Entry–Intermediate)
Performs routine PMs and basic repairs
Assists senior mechanics with complex diagnostics
Growing skills in diesel systems, hydraulics, and electrical components
Diesel Mechanic B (Experienced)
Independently diagnoses and repairs most vehicle systems
Strong working knowledge of diesel engines, air brakes, and electrical systems
Mentors junior mechanics and supports shop efficiency
Diesel Mechanic A (Master Technician)
Expert-level diagnostics and complex repairs
Leads major overhauls and advanced troubleshooting
Acts as a technical resource and mentor for the shopHelps drive safety, quality, and continuous improvementWhat We’re Looking ForHands-on experience as a Diesel Mechanic (level based on skill and experience)
Strong knowledge of diesel engines, hydraulics, electrical systems, and air brakes
Ability to read and interpret diagnostic data and service manuals
Commitment to safety, quality workmanship, and teamwork
Valid driver’s license (CDL preferred or willingness to obtain, depending on location)
ASE certifications are a plus (and supported by GFL!)
Why Join GFL Environmental?Competitive pay with a $5,000 sign-on bonus based on experience and skill level
Career growth opportunities across North America
Modern fleet and well-equipped shops
Comprehensive benefits package (medical, dental, vision, 401(k), paid time off)
Ongoing training and certification support
Work for a company committed to sustainability, safety, and employee success
Be Part of Something BiggerAt GFL Environmental, we invest in our people and our future. If you’re passionate about diesel mechanics and want a career—not just a job—GFL is the place to grow.
👉 Apply today and help keep our communities moving forward.
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 myworkdayrecruitment@gflenv.com
This hiring process may utilize machine-based systems to assist in screening and assessing applicants. Final selection decisions are made by our recruitment team.