Diesel Mechanic Jobs in Illinois
Diesel Mechanic jobs in Illinois are open across Dolton, Downers Grove, and Elk Grove Vlg and other Illinois metros, with employers like Penske Truck Leasing, United Rentals, and Clean Harbors hiring at every experience level. Find a role that fits below and apply directly.
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INTRODUCTION
AutoZone is seeking a Distribution Center Diesel Mechanic to maintain and repair our private fleet of trucks and trailers. This role involves completing routine preventive maintenance and minor repairs on diesel engines, air conditioning systems, brakes, tires, and hydraulic lift gates. You will also ensure compliance with DOT regulations while maintaining inventory control for the parts room.
Skills and Abilities
Functional Competencies:
- Strong troubleshooting and problem-solving skills.
- Ability to work independently with minimal supervision.
- Knowledge of diesel engine diagnostics, repair techniques, and DOT compliance requirements.
Salary
$28.95 per hour
Benefits
Health, Dental, Vision, Stock Purchase Program, 401K, Short Term and Long Term Disability and more.
Core Competencies:
- Customer Focus: Provides WOW! customer service, understands customer needs, and solves problems with urgency.
- Team Player: Reliable, supportive, values others' ideas, builds strong relationships, and resolves conflicts effectively.
- Effective Communication: Clear, respectful communication, effective listening, and timely information sharing.
- Results-Oriented: Accountable, takes ownership, prioritizes well, and executes with integrity and ethics.
- Development Focused: Embraces feedback, owns professional development, and helps develop others.
- Change Embracer: Open to change, seeks process improvements, and encourages innovative thinking.
Physical Demands:
- Ability to perform physical tasks such as standing, walking, bending, kneeling, and lifting up to 40 pounds.
- Manual dexterity to operate various tools and equipment for diesel repairs.
- Ability to work in a fast-paced environment and comply with safety-sensitive requirements.
Responsibilities
- Perform preventive maintenance on diesel engines, including air conditioning, brakes, and minor engine repairs.
- Conduct trailer maintenance and repairs, including brakes, tires, and lift gates.
- Maintain accurate records and complete all required AutoZone and DOT documentation.
- Manage and track inventory in the Parts Room.
- Ensure safety compliance by following best practices in diesel fleet maintenance.
BASIC QUALIFICATIONS
- 3-5 years of experience working with diesel engines (Detroit and Cummins preferred).
PREFERRED QUALIFICATIONS
- 2-year technical degree in Diesel Mechanics or a related field.
- ASE Certification in diesel engine repair.
Since opening our first store in 1979, AutoZone has grown into a leading retailer and distributor of automotive parts and accessories across the Americas. Our customer-first mindset and commitment to Going the Extra Mile define who we are, for both our customers and AutoZoners. Working at AutoZone means being part of a team that values dedication, teamwork, and growth. Whether you're helping customers or building your career, we provide tools and support to help you succeed and drive your future.
Benefits at AutoZone
AutoZone offers thoughtful benefits programs with one-on-one benefits guidance designed to improve AutoZoners’ physical, mental and financial well-being.
All AutoZoners (Full-Time and Part-Time):
- Competitive pay
- Unrivaled company culture
- Medical, dental and vision plans
- Exclusive discounts and perks, including an AutoZone in-store discount
- 401(k) with company match and Stock Purchase Plan
- AutoZoners Living Well Program for free mental health support
- Opportunities for career growth
Additional Benefits for Full-Time AutoZoners:
- Paid time off
- Life, and short- and long-term disability insurance options
- Health Savings and Flexible Spending Accounts with wellness rewards
- Tuition reimbursement
Minimum age requirements may apply. Eligibility and waiting period requirements may apply; benefits for AutoZoners in Puerto Rico, Hawaii, or the U.S. Virgin Islands may differ. Learn more about all that AutoZone has to offer at Careers.AutoZone.com.
We proudly support Veterans, Active-duty Service Members, Reservists, National Guard and Military Families. Your experience is highly valued, and we encourage you to apply to join our team.
Fair Chance:
An applicant’s criminal record is not a disqualification from employment and will be considered individually based on factors such as the relationship between the position sought and the criminal offense, the nature of the offense, any documentation or information demonstrating the rehabilitation of the applicant, the time elapsed since the offense, and any other relevant information. This includes compliance with the San Francisco Fair Chance Ordinance, the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance, the Los Angeles County Fair Chance Ordinance for Employers, the New York City Fair Chance Act, the Philadelphia Fair Chance Hiring Act, and the U.S. Virgin Islands Fair Chance for Employment Act.
As permitted by state or local law, AutoZone may consider certain offenses to be relevant to positions responsible for conducting or overseeing financial transactions on behalf of AutoZone, driving company vehicles and/or supervision of minors.
Online Application:
An online application is required. Click the Apply button to complete your application. For step-by-step instructions on how to apply visit careers.autozone.com/candidateresources.
AutoZone, and its subsidiary, ALLDATA are equal opportunity employers. All applicants will be considered for employment without attention to age, race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status, or any other legally protected categories.
See All 33 Diesel Mechanic Jobs in Illinois
Find roles in Illinois that match your experience and apply in just a few clicks.
Find Diesel Mechanic JobsDiesel Mechanic Jobs by City in Illinois
Where Illinois roles are concentrated, by current openings.
Diesel Mechanic Job Market in Illinois
A snapshot from current Illinois openings, updated as new roles post.
Who's Hiring
- Penske Truck Leasing5

- United Rentals5

- Clean Harbors4

- First Student3

- Fleet Services by Cox Automotive3

Top Industries Hiring
- Transportation & Logistics11
- Automotive4
- Consulting & Professional Services4
- Manufacturing2
- Chemicals & Materials1
What Illinois Employers Look For
The qualifications that appear most often in diesel mechanic jobs across Illinois.
- Two or more years of hands-on diesel engine repair and diagnostics experience
- ASE certification in Medium/Heavy Truck or related diesel specialty
- Proficiency with electronic diagnostic software such as ServiceLink or INSITE
- Valid commercial driver's license or ability to obtain one
- Experience with preventive maintenance schedules on Class 6 through Class 8 vehicles
- Ability to read and interpret technical service manuals and wiring diagrams
Diesel Mechanic Jobs in Illinois: Frequently Asked Questions
How many diesel mechanic jobs are there in Illinois?
There are 33+ diesel mechanic openings in Illinois on Migrate Mate as of June 2026, with the most roles in Dolton, Downers Grove, and Elk Grove Vlg. New positions post regularly as employers across Illinois hire.
How much do diesel mechanics make in Illinois?
Diesel mechanics in Illinois earn a median of about $64,340 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $44,760 for the lowest 10% to over $97,670 for the top 10%. Pay rises with experience, specialty, and employer.
Which Illinois cities have the most diesel mechanic jobs?
Dolton, Downers Grove, and Elk Grove Vlg have the most diesel mechanic openings in Illinois right now, with additional roles spread across smaller metros statewide.
Which companies hire diesel mechanics in Illinois?
Employers hiring diesel mechanics in Illinois include Penske Truck Leasing, United Rentals, and Clean Harbors, based on current listings on Migrate Mate as of June 2026.
Are there remote diesel mechanic jobs in Illinois?
Yes. About 0% of diesel mechanic openings tied to Illinois are remote or hybrid as of June 2026. The rest are on-site roles based in Illinois metros.
How do I apply for diesel mechanic jobs in Illinois?
You can apply to diesel mechanic jobs in Illinois directly on Migrate Mate. Search the listings above, find roles that match your experience and preferred Illinois location, then apply to each one that fits.
See All 33 Diesel Mechanic Jobs in Illinois
Find roles in Illinois that match your experience and apply in just a few clicks.
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