Senior Diesel & CNG Fleet Mechanic

GFL Environmental Inc.; Fort Wayne (IN); On-site; USD 55,000 - 85,000; Full time

Job summary

GFL Environmental Inc. seeks an experienced diesel/CNG technician to diagnose, repair, and maintain fleet vehicles. You will perform engine, electrical, hydraulics and fuel system work, lead inspections, and coordinate scheduled repairs for safe, road-ready trucks.

Role requires DOT/OSHA knowledge, certifications, and the ability to read detailed schematics. You may mentor less experienced mechanics and handle essential admin tasks daily.

Qualifications

• Knowledge of DOT, OSHA and related regulations.
• Brake safety certificate and 609 A/C 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, hydraulics, and fuel systems.
• Lead inspections of brakes, engine components, emissions, steering, bearings; ensure proper condition.
• Mentor level B and C mechanics.
• Prioritize repairs to maximize efficiency and timely completion of work orders.
• Oversee review of mechanical write‑ups and coordinate repair schedules.
• Perform DOT and brake inspections on all vehicles.
• Complete reports, orders, and parts procurement; perform daily admin tasks.
• Maintain a safe working environment and comply with regulations.
• Interpret electrical and diagnostic schematics; participate in trainings.
• Maintain a clean work area.

Skills

Diesel engines

CNG systems

Electrical systems

Diagnostics

Brake systems

Education

Brake safety certificate

609 A/C system certification

ASE certifications

CDL (Class A/B) preferred

Tools

Diagnostic software

Computer literacy

Job description

GFL Environmental Inc. seeks an experienced diesel/CNG technician to diagnose, repair, and maintain fleet vehicles. You will perform engine, electrical, hydraulics and fuel system work, lead inspections, and coordinate scheduled repairs for safe, road-ready trucks.

Role requires DOT/OSHA knowledge, certifications, and the ability to read detailed schematics. You may mentor less experienced mechanics and handle essential admin tasks daily.