Diesel & CNG Fleet Mechanic — Lead & Diagnostics

GFL Industries; Kendallville (IN); On-site; USD 52,000 - 68,000; Full time

Job summary

GFL Industries seeks an experienced Diesel/CNG Mechanic to maintain a fleet and ensure road-ready condition. You will diagnose, repair, and inspect complex systems, provide guidance to junior mechanics, and manage repair schedules.

The role requires strong diagnostic skills, safety compliance, and the ability to work from schematics. Candidates should have 5+ years of diesel/CNG experience and may hold ASE certifications.

Qualifications

• 5+ years of diesel/CNG maintenance experience.
• Brake safety certificate and 609 A/C system certification required.
• ASE Certifications preferred.
• Ability to read and interpret detailed schematics and manuals.

Responsibilities

• Diagnose and repair Diesel and CNG powered trucks, including engines, electrical, propane, hydraulics, and fuel systems.
• Lead inspections of brake systems, engine components, emissions, steering, and bearings.
• Mentor level B and C mechanics.
• Prioritize repairs to maximize efficiency and timely completion of work orders.
• Oversee review of mechanical write-ups and schedule repairs.
• Perform DOT and brake inspections on all vehicles.
• Complete reports, work orders, parts orders, and admin duties daily.
• Ensure safe working conditions and regulatory compliance.
• Interpret intricate electrical and diagnostics schematics.
• Participate in training to increase skills.
• Maintain a clean work area.

Skills

Diesel maintenance

CNG systems

Diagnostics

Electrical systems

Safety compliance

Mentorship

Troubleshooting

Read schematics

Education

ASE Certifications preferred

Tools

Diagnostic software

Job description

GFL Industries seeks an experienced Diesel/CNG Mechanic to maintain a fleet and ensure road-ready condition. You will diagnose, repair, and inspect complex systems, provide guidance to junior mechanics, and manage repair schedules.

The role requires strong diagnostic skills, safety compliance, and the ability to work from schematics. Candidates should have 5+ years of diesel/CNG experience and may hold ASE certifications.