Diesel Mechanic Jobs in Illinois

Diesel Mechanic jobs in Illinois are among the most active in the Midwest, concentrated in freight and logistics, public transit, agriculture, and heavy construction across a state that serves as a major hub for commercial trucking. Chicago, Joliet, and Rockford anchor most of the hiring, where large employers like Ryder System, Rush Truck Centers, and the Chicago Transit Authority maintain ongoing demand for technicians at every level from entry-level lube techs to master technicians. The most in-demand specialties are diesel engine overhaul, emissions systems diagnostics, and fleet maintenance for Class 6 through Class 8 vehicles. See the openings below and apply to the ones that match your experience.

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Overview

Open roles122+
Top employerRush Enterprises
Top cityChicago, IL
Cities hiring72
Work type100% On-site
Top industryAutomotive

Showing 5 of 122+ Diesel Mechanic jobs

Apprentice Diesel Tech-Mechanic
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Added 3d ago
Apprentice Diesel Tech-Mechanic
TravelCenters of America
Monee, Illinois
Maintenance & Repair
Quality Control
Skilled Trades
High school diploma or GED
10,000+

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Diesel Mechanic (1st shift)
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Added 3d ago
Diesel Mechanic (1st shift)
US Equipment Sales
Lemont, Illinois
Maintenance & Repair
Manufacturing Operations
Skilled Trades
$25 - $35/hr
On-Site

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Diesel Mechanic
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Added 4d ago
Diesel Mechanic
Kurt Bridge
Peoria, Illinois
Maintenance & Repair
Manufacturing Operations
Skilled Trades

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Diesel Fleet Mechanic - 2nd Shift
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Added 4d ago
Diesel Fleet Mechanic - 2nd Shift
Bob's Discount Furniture
Shorewood, Illinois
Automotive Engineering
Maintenance & Repair
Skilled Trades
$27 - $34/hr
5,001-10,000

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Diesel Mechanic Trainee Entry Level
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Added 4d ago
Diesel Mechanic Trainee Entry Level
Ryder System
Dixon, Illinois
Maintenance & Repair
Quality Control
Skilled Trades
High school diploma or GED

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See All 122+ Diesel Mechanic Jobs in Illinois

Find roles in Illinois that match your experience and apply in just a few clicks.

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Diesel Mechanic Jobs by City in Illinois

Where Illinois roles are concentrated, by current openings.

Chicago
11 jobs
Joliet
5 jobs
Champaign
4 jobs
Effingham
4 jobs
Hampshire
4 jobs
Springfield
4 jobs
Normal
3 jobs
Rockford
3 jobs
Rock Island
3 jobs

Diesel Mechanic Job Market in Illinois

A snapshot from current Illinois openings, updated as new roles post.

Who's Hiring

  • Rush Enterprises24
  • First Student7
  • Crown Equipment7
  • TravelCenters of America5
  • Dayton Freight4

Top Industries Hiring

  • Automotive
  • Chemicals & Materials
  • Distribution & Wholesale
  • Mining & Natural Resources
  • Transportation & Logistics

What Illinois Employers Look For

The qualifications that appear most often in diesel mechanic jobs across Illinois.

  • ASE certification in diesel engines or medium/heavy truck systems preferred or required
  • Valid Illinois driver's license with a clean driving record for road testing vehicles
  • Two or more years of hands-on diesel engine diagnosis and repair experience
  • Proficiency with electronic diagnostic software such as Cummins Insite or Detroit Diagnostic Link
  • Ability to perform preventive maintenance, brake service, and DOT inspection procedures
  • Own a complete set of hand tools sufficient for diesel mechanical work

Diesel Mechanic Jobs in Illinois: Frequently Asked Questions

How do you become a diesel mechanic in Illinois?

Illinois does not require a state-issued license to work as a diesel mechanic, so the standard path is completing a diesel technology program at a community college such as Joliet Junior College or Midwest Technical Institute, then earning ASE certification in the diesel or medium/heavy truck series. Employers across Illinois treat ASE credentials as the primary professional benchmark, and many offer paid apprenticeships or on-the-job training that run alongside formal study.

Which companies hire diesel mechanics in Illinois?

Companies currently hiring diesel mechanics in Illinois include Rush Enterprises, First Student, and Crown Equipment, per current listings on MigrateAte as of November 2026. Illinois's role as a national freight corridor and intermodal logistics center means fleet operators, transit agencies, and equipment dealers all maintain steady technician openings throughout the year.

Which Illinois cities have the most diesel mechanic jobs?

Chicago, Joliet, and Champaign hold the most diesel mechanic openings in Illinois. Chicago and Joliet generate the bulk of demand through major trucking terminals, rail intermodal yards, and the Chicago Transit Authority fleet, while Rockford's industrial manufacturing base and proximity to I-90 freight corridors keeps its technician market consistently active as well.

Are there remote diesel mechanic jobs in Illinois?

Yes, but they're rare. About 0% of diesel mechanic openings tied to Illinois are remote or hybrid as of November 2026, which reflects the fundamentally hands-on nature of the work. The portions of the role most suited to remote arrangements are service writing, parts ordering, and warranty documentation rather than actual diagnosis or repair.

How can I get hired as a diesel mechanic in Illinois with little or no experience?

The most realistic entry path is an apprenticeship or lube technician role with a large fleet operator or dealership. Illinois employers such as Ryder System and Rush Truck Centers regularly bring on entry-level techs through structured apprenticeship programs where new hires work alongside journeyman mechanics while studying for ASE certification. Completing even the entry-level ASE Student Certification or a diesel technology certificate from an Illinois community college makes a candidate significantly more competitive for these openings.

Where can I find and apply to diesel mechanic jobs in Illinois?

You can find and apply to diesel mechanic jobs in Illinois on Migrate Mate, which lists current Illinois openings updated regularly. Search the roles available, identify the ones that match your certifications and experience level, and apply directly to the ones that fit.

See All 122+ Diesel Mechanic Jobs in Illinois

Find roles in Illinois that match your experience and apply in just a few clicks.

Find Diesel Mechanic Jobs