careers

Semi-Truck Diesel Mechanic

We’re seeking a dependable and skilled Diesel Mechanic with experience working on semi-trucks, including engine repairs, transmission work, aftertreatment systems, suspension, brakes, and other key components. The ideal candidate will be comfortable performing both preventative maintenance and more complex repairs across a variety of truck makes and models.

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Responsibilities:

  • Diagnose and repair diesel engine problems
  • Perform maintenance and repairs on transmissions, DPF/DEF systems, suspensions, brakes, drivelines, and more
  • Conduct inspections and routine service
  • Work on all major truck brands: Volvo, Freightliner, Kenworth, Mack, International, etc.
  • Keep accurate records of work completed and parts used
  • Maintain shop safety and cleanliness standards
  • Communicate effectively with service team and supervisors

Requirements:

  • Minimum 3 years of experience as a diesel technician
  • Strong mechanical background with ability to work independently
  • Experience with after-treatment systems and emissions-related repairs
  • Proficiency in working on various truck makes and systems
  • Must have a valid driver’s license (CDL preferred)

Preferred Qualifications:

  • ASE or OEM certifications
  • CDL-A license a plus
  • Bilingual is a plus

Pay: $35.00 - $40.00 per hour

Benefits:

  • 401(k)
  • 401(k) matching
  • Dental insurance
  • Health insurance
  • Paid time off
  • Vision insurance

services

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."