Diesel Mechanic Technician

We are seeking a highly skilled Class A or Class B Diesel Mechanic to join our fleet maintenance team in the waste and environmental services industry. The Diesel Mechanic is responsible for diagnosing, repairing, and maintaining a wide range of heavy-duty diesel trucks and waste industry equipment to ensure safety, reliability, and compliance. The ideal candidate is experienced, self-motivated, certified in key technical areas, and comfortable working in a high-volume shop environment. Candidates must be willing to take an ASE-based test during the interview process to verify mechanical competency. Key Responsibilities Maintenance & Repair Perform inspections, diagnostics, preventive maintenance, and major repairs on heavy-duty refuse trucks (front loaders, side loaders, rear loaders, roll-offs) and supporting equipment. Troubleshoot and repair diesel engines, hydraulic systems, electrical systems, air brake systems, suspension, after-treatment systems (DPF, DEF, SCR), and drivetrains. Utilize diagnostic tools and software including JPRO and Cummins Insite for troubleshooting and programming. Conduct HVAC repairs and diagnostics (A/C certified required). Complete PM services and identify potential failures before breakdowns occur. Compliance & Documentation Ensure repairs meet DOT, OSHA, and company safety standards. Document all work performed, parts used, and inspections completed in maintenance software. Conduct pre- and post-repair safety checks on assigned equipment. Operational Support Respond to road calls, breakdowns, and emergency repairs as needed. Participate in every 3rd weekend on-call rotation. Collaborate with operators, supervisors, and fleet management on equipment issues and repair planning. Required Qualifications Mandatory Nothing less than a Class A or Class B Diesel Mechanic skill level. 5 years of diesel mechanic experience, preferably in heavy-duty or refuse fleet equipment. Must bring own tools and a functional work cart (minimum requirement). Commercial Air Brake Certified. HVAC Certified (EPA 609). Clean MVR (Motor Vehicle Record). Experience using JPRO and Cummins Insite diagnostic software. Willing to take an ASE-based skills test during the interview. Ability to lift up to 75 lbs and work in physically demanding conditions. Preferred ASE Medium/Heavy Truck T-Series Certifications. Class B CDL (or willingness to obtain). Experience in the waste industry (WM, GFL, Republic, municipal fleets, or similar). Welding and light fabrication skills. 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 Current GFL Employees If you are an existing GFL employee and would like to search and apply to current job openings, please visit the internal GFL Jobs Hub. At the heart of GFL lies our greatest asset—our people. So, we're glad you landed here! We believe in great careers, making a positive impact on the environment and supporting our people with their life ambitions. We aspire to create the right jobs in a way that brings you along with us. At GFL, growth isn’t just for our business—it’s for our people. Because we see the potential in all our employees to do whatever it is they set their mind to, and we’re proud to support them in that journey. We consider our employees’ personal goals, helping them create the career, and life, that they desire—whether it’s advancing in their job, learning new skills, forming lasting relationships, or mentoring others, while having time to pursue other life ambitions. With safety and sustainability at the core of what we do, we all come together to form “Team Green”—united by our shared purpose to provide environmental solutions that enable our customers and the communities we serve to be Green For Life. We’re proud to say that working for GFL is more than a job. It’s an opportunity to make a difference and grow tremendously along the way. Regardless of the work we’re doing today, we’ve got our sights set on the big picture—not just tomorrow, but for life. GFL empowers those looking for growth in their career and lives, whether that's on our Field Operations teams or Professional Services teams. Field Operations – Our Field positions offer candidates across North America the potential for limitless growth and skill expansion as the front line of our organization, making them central to our company's vision of creating cleaner and more sustainable communities. Professional Services – Our Corporate positions located in key North American offices grow candidates to form strong client relations, manage key programs and accounts, and ensure our Field teams are operating at maximum efficiency.