Diesel Mechanic

About the Role

Work alongside shop leadership and senior mechanics to keep our diverse fleet of Diesel and Compressed Natural Gas (CNG) vehicles operating in peak, "road-ready" condition. Handle everything from standard preventative maintenance and electronic diagnostics to complex mechanical repairs in a safe, fast-paced shop environment.

Responsibilities

• Diagnose, service, and repair diesel engines, CNG systems, hydraulics, and electrical components.
• Conduct thorough DOT and brake inspections to ensure full safety compliance across all fleet vehicles.
• Perform routine and complex brake system repairs and service A/C systems using standard electronic diagnostic software.
• Test-drive trucks as needed to accurately diagnose issues and confirm repairs.
• Log work orders, manage parts inventory, maintain clean work bays, and adhere strictly to OSHA and GFL safety protocols.

Requirements

• 3+ years of experience in heavy-duty diesel and/or CNG fleet maintenance.
• Brake Safety Certificate and EPA Section 609 A/C Certification.
• Proficiency with electronic diagnostic software and basic computer systems.
• Valid Class A or B CDL strongly preferred (or willingness to obtain within 6 months of hire).
• ASE certifications are a strong plus.
• Working knowledge of DOT and OSHA regulations, with a strong commitment to shop safety.

Physical Demands

• Ability to stand, bend, climb ladders, and maneuver in tight shop spaces for extended periods.
• Ability to lift up to 50 lbs. regularly and push/pull up to 100 lbs.
• Comfortable operating heavy equipment, power tools, and computerized diagnostic units.