Diesel Fleet Mechanic in Downers Grove

Date Posted: Thursday, October 9, 2025

Job Snapshot

Job Description

Now Hiring: Diesel Mechanic / Fleet Maintenance Technician

Location: Joliet, IL Job Type: Full-Time 

About the Job We’re looking for an experienced Diesel Mechanic to keep our fleet rolling strong. This position handles everything from routine maintenance to major repairs on Class 8 trucks, trailers, and Reefer Units etc.. You’ll work on engines, brakes, electrical, trailer components - everything to make sure drivers are running smooth and safe.

If you take pride in doing the job right the first time and want steady, year-round work with a solid team, we want to hear from you.

What You’ll Do

  • Perform regular preventive maintenance and inspections on trucks and trailers

  • Troubleshoot and repair diesel engines, electrical issues, brakes, and AC systems

  • Handle major engine and component repairs as needed

  • Service trailers, liftgates, and related equipment

  • Keep detailed and accurate maintenance records

  • Maintain a clean and safe work area

What You Need

  • Hands-on experience working with diesel engines and fleet equipment

  • Ability to perform major repairs without supervision

  • Strong understanding of electrical and air systems

  • Must have your own tools

  • Able to lift up to 50 lbs

Preferred Experience

  • 2+ years of diesel repair or fleet maintenance work

  • Familiar with Cummins or Detroit engines

  • Experience using maintenance tracking systems (Cetaris or similar)

  • CDL Class A preferred but not required

  • Trailer maintenance experience a plus

Why Work Here

  • Steady hours — no seasonal layoffs

  • Competitive pay based on experience

  • Opportunity to grow your skills and take on more responsibility

  • A team that respects hard work and reliability

All qualified applicants will receive consideration without regard to race, age, color, sex (including pregnancy), religion, national origin, disability, sexual orientation, gender identity, marital status, military status, genetic information, or any other status protected by applicable laws or regulations. GPAC (Growing People and Companies) is an award-winning search firm specializing in placing quality professionals within multiple industries across the United States since 1990. We are extremely competitive, client-focused and realize that our value is in our ability to deliver the right solutions at the right time.