Diesel Mechanic

Superior Diesel•Waterman, IL

12d•Onsite

About The Position

Superior Diesel, Inc. is hiring a skilled and dependable Diesel Mechanic at either its Waterman or DeKalb location. This full-time position involves working in a clean, organized shop, with occasional field service based on customer needs. The mechanic performs maintenance, diagnostics, and repairs on heavy-duty trucks and trailers, using modern diagnostic software, tools, and shop equipment. The role requires clear communication, accurate documentation, safe work practices, and a focus on completing repairs correctly and supporting customer satisfaction.

Requirements

At least 3 years of mechanical experience or completion of a related mechanical training program.
Proficiency with mechanical and computerized diagnostic equipment.
Valid driver's license.
Must provide own hand tools.
Strong work ethic, reliability, and attention to detail.

Nice To Haves

Experience as a truck or diesel technician.
CDL.
ASE certifications.

Responsibilities

Perform routine preventative maintenance on heavy-duty trucks and trailers, including fluid and filter services, inspections, and brake inspections.
Identify potential equipment issues before they become major repairs.
Diagnose mechanical and electrical issues using diagnostic software and tools.
Repair or replace components such as engines, transmissions, brake systems, HVAC systems, suspension, and electrical systems.
Troubleshoot and complete repairs efficiently and accurately.
Safely operate hydraulic lifts, pneumatic tools, welders, and other shop equipment.
Follow company safety procedures and best practices.
Communicate repair findings and recommendations clearly.
Document inspections, diagnostics, repairs, and parts used accurately.
Work with service advisors and management to support customer satisfaction.