Mobile Diesel Fleet Technician — On‑Site Service Pro

DuraFleet Allentown; Allentown (Lehigh County); Hybrid; USD 50,000 - 80,000; Full time

Job summary

DuraFleet Allentown is seeking an experienced Mobile Diesel Mechanic / Fleet Technician to join our growing team. This hands-on role performs preventive maintenance, diagnostics, repairs, and roadside service directly at customer locations across Allentown and surrounding areas, helping keep fleets on the road.

You will operate a company service truck, use diagnostic tools, and communicate clearly with customers while delivering professional, reliable service in varying field conditions.

Qualifications

• 5+ years as a diesel mechanic or fleet technician.
• Experience diagnosing mechanical and electrical problems.
• Knowledge of brakes, suspension, steering, and PM.

Responsibilities

• Perform preventive maintenance and repairs on commercial trucks and fleet vehicles at customer locations.
• Diagnose mechanical, electrical, brake, suspension, starting/charging, and other vehicle issues.
• Perform oil changes, fluid services, filter replacements, brake repairs, batteries, belts, hoses, lighting, and other routine fleet maintenance.
• Diagnose and repair diesel engine and related systems.
• Perform DOT-related inspections and identify safety or maintenance concerns.
• Respond to roadside service and breakdown calls when scheduled.
• Use diagnostic equipment and technical information to accurately identify vehicle problems.
• Document inspections, maintenance, repairs, parts, and services performed.
• Communicate clear with customers regarding vehicle condition and recommended repairs.
• Maintain an organized and professional company service truck and work area.
• Follow DuraFleet safety procedures and applicable industry standards.
• Represent DuraFleet professionally at customer facilities and job sites

Skills

Diesel engines

Fleet maintenance

Diagnostics

Electrical systems

Communication

Independent field work

Valid driver's license

Professional with customers

Physical stamina

Tools

Diagnostic equipment

Hand tools

Power tools

Jacks

Lifting equipment

Job description

DuraFleet Allentown is seeking an experienced Mobile Diesel Mechanic / Fleet Technician to join our growing team. This hands-on role performs preventive maintenance, diagnostics, repairs, and roadside service directly at customer locations across Allentown and surrounding areas, helping keep fleets on the road.

You will operate a company service truck, use diagnostic tools, and communicate clearly with customers while delivering professional, reliable service in varying field conditions.