Road-Ready Fleet Technician — Medium-Duty Trucks

Zūm; Omaha (NE); On-site; USD 60,000 - 85,000; Full time

Job summary

Zum Services, Inc. seeks an experienced Diesel Technician to diagnose, repair, and test medium‑duty fleet vehicles. You’ll work with electrical, steering, and powertrain systems, document parts and time, and coordinate inspections before returning vehicles to service.

This role requires 2–4 years of experience and knowledge of diesel equipment, with CDL preferred. The position may include overtime and on‑road calls to keep vehicles in service.

Qualifications

• 2–4 years of experience as a medium/heavy truck fleet technician.
• Expertise in diagnostics, electrical, and AC systems.
• Strong grasp of major vehicle systems and diesel equipment; experience with both diesel and gasoline systems.
• Equipped with the recommended minimum hand tools for a Diesel Technician.
• Exercise solid judgment and make clear, timely decisions.

Responsibilities

• Diagnose and repair medium-duty fleet vehicles across steering, electrical, cooling, lubrication, braking, drivetrains, suspensions, power steering units, clutches, and transmissions—meeting all applicable Federal, State/Provincial, and local requirements.
• Assist with major component rebuilds (engines, transmissions, differentials) as assigned by the manager.
• Execute preventive maintenance, perform test drives during PMs to investigate driver-reported issues, and confirm repairs with post-service road tests.
• Arrange for inspections and obtain approvals for major repairs before vehicles are released.
• Record time, parts, and services on the appropriate forms; flag additional repair needs, including work requiring higher-qualification technicians.
• Respond to road calls and complete on-the-road repairs when assigned.
• Maintain a safe, clean, and efficient work area and immediately advise the Lead Technician of any unsafe conditions, practices, or vehicle abuse.
• Work the assigned shift and overtime as needed (AM/PM).

Skills

HVAC

Heavy Equipment Repair

Mechanical Troubleshooting Skills

Vehicle Electronics & ComputerControls

Brake & Suspension Systems

Transmission & Drivetrain Systems

Automotive Repair

Engine Repair

Brakes

Engine Performance

Current CDL License

Education

ASE certifications desirable but not required

CDL preferred

Job description

Zum Services, Inc. seeks an experienced Diesel Technician to diagnose, repair, and test medium‑duty fleet vehicles. You’ll work with electrical, steering, and powertrain systems, document parts and time, and coordinate inspections before returning vehicles to service.

This role requires 2–4 years of experience and knowledge of diesel equipment, with CDL preferred. The position may include overtime and on‑road calls to keep vehicles in service.