Diesel Mechanic

Merx Truck & Trailer, Inc. is growing, and we are expanding the shop. We are looking for an experienced Diesel Mechanic to join our team in Melrose Park, IL. The Diesel Mechanic will repair, maintain, and inspect trucks and trailers, run diagnostics, and diagnose issues relating to engine, transmission, electrical, breaks, etc.


Responsibilities and Essential Functions

· Perform diagnostics and repair on medium and heavy-duty diesel engines.

· Utilizing electronic diagnostic tools and computer software to assist in the troubleshooting and repair of heavy-duty truck engines, braking, electrical, cooling, and exhaust systems.

· Perform repairs on the various components which may include transmission, suspension, and other systems.

· Perform regular maintenance and repairs on heavy-duty trucks.

· Coordinate parts orders with the parts department.

· Complete online training courses.

· Perform other duties as assigned by the supervisor.


· 5+ years of previous heavy-duty mechanical experience minimum.

· Proficiency in diagnosing and repairing heavy-duty trucks.

· Ability to work independently or in a team.

· Ability to make decisions promptly.

· Ability to read a wiring diagram.

· Mastery of English speaking and writing skills required.

· Exceptional customer service skills.

· Desire for a long-term career with a growing shop.

Minimum Qualifications

  • High School Diploma, GED or equivalent
  • Excellent reading and writing skills
  • Ability to speak and understand English

Truck & Trailer Diesel Mechanic Services

With multiple locations in Illinois, Iowa & Texas, Merx Truck & Trailer has built a reputation for industry-leading heavy-duty diesel mechanic service. We proudly provide commercial trucks & fleets with trusted repair & maintenance services, from DOT inspections and preventive maintenance services, to heavy-duty truck repairs & everything in between. Schedule the services you require with Merx today at the location nearest you!

Best shop in Illinois! Very ethical team, no hidden charges and lies. Ask for Filip, he takes care of your issues. They do everything, from paint job to overhaul of engines. Luis is great!
SIP Logistics
5 star review

"Great service! Got me in for a water pump replacement on short notice and had me back on the road in a few hours. Very professional staff and a nice clean facility with a comfortable waiting room."

Anthony Cummings

5 star review

"Fast, friendly same day service! Tractor and APU PM, trailer tire change and reefer maintenance in less than 3.5 hours 💪 IG @the_happy_trucker 🚛💨💨"

5 star review

"The best service in Chicago! These guys have real mechanics that know their stuff and they carry a lot of parts for Volvo. Cheap fast, and good service. This is my favorite shop."