Mobile Diesel Mechanic | Fleet Maintenance Pro

Keller Logistics Group; Kentucky; On-site; USD 42,000 - 66,000; Full time

Job summary

Keller Trucking, part of Keller Logistics Group, is seeking a Mobile Mechanic to travel to various locations to diagnose and repair the fleet’s semi-truck tractors and trailers, and maintain diesel engines. A valid driver’s license is required due to the mobile nature of the role.

Responsibilities include routine maintenance, brake and steering inspections, relining brakes, tire installation, and safety inspections per FMCSA standards. Independent work and strong safety awareness are essential.

Qualifications

• High school diploma or equivalent, preferably from a Diesel Mechanics program.
• Brake certification in accordance with FMCSA § 396.25 required.
• Experience with OEM software is preferred.

Responsibilities

• Diagnose, adjust, repair, or overhaul fleet tractors and trailers.
• Perform routine maintenance (oil, batteries, lubrication).
• Inspect brakes, steering, bearings, and safety devices.
• Attach test instruments and read gauges to diagnose malfunctions.
• Install, mount, and dismount tires.
• Read service guides using OEM software.
• Maintain a clean, safe work area and complete documentation.

Skills

Diesel mechanics

Fleet diagnostics

Independent worker

Education

High school diploma or equivalent

Brake certification FMCSA 396.25

Diesel mechanics program (preferred)

Tools

OEM software

Job description

Keller Trucking, part of Keller Logistics Group, is seeking a Mobile Mechanic to travel to various locations to diagnose and repair the fleet’s semi-truck tractors and trailers, and maintain diesel engines. A valid driver’s license is required due to the mobile nature of the role.

Responsibilities include routine maintenance, brake and steering inspections, relining brakes, tire installation, and safety inspections per FMCSA standards. Independent work and strong safety awareness are essential.