Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Diesel Mechanic

Full-time

AA Express

Job Description

Job Description

AA Express Repair & Service LLC is seeking an experienced, dependable Diesel Mechanic to join our growing team. We are a large and expanding shop that takes pride in providing high-quality service, and we are looking for individuals who want to grow with us long-term. We are planning to expand into roadside service and towing operations in the future, so candidates with experience or qualifications in roadside assistance, field service, or towing are highly encouraged to apply.

We are looking for someone who takes pride in their work, can diagnose and repair equipment efficiently, and wants to be part of a professional shop that values quality, teamwork, and growth.

Responsibilities

  • Diagnose and repair diesel engines, electrical systems, and emissions systems.
  • Perform preventive maintenance and DOT inspections.
  • Repair brakes, suspensions, steering, driveline, cooling, and fuel systems.
  • Troubleshoot engine performance and check engine light issues.
  • Perform computer diagnostics using OEM and aftermarket software.
  • Complete repairs on tractors, trailers, and other commercial equipment.
  • Maintain accurate service records and inspection reports.
  • Keep the shop clean, organized, and safe.
  • Work efficiently while maintaining high-quality workmanship.

Qualifications

  • Previous experience as a diesel mechanic preferred.
  • Strong diagnostic and troubleshooting skills.
  • Knowledge of Cummins, Detroit, Paccar, Volvo, Mack, and other heavy-duty diesel engines is a plus.
  • Experience with electrical diagnostics and air brake systems.
  • Ability to lift up to 75 pounds.
  • Valid driver’s license required.
  • CDL is a plus but not required.
  • Bringing your own tools is a plus, but tools can be provided if needed.
  • Experience or interest in roadside service and towing operations is a strong plus.

What We Offer

  • Competitive pay based on experience.
  • Overtime opportunities.
  • Full-time, year-round employment.
  • Modern, well-equipped shop with quality tools and equipment.
  • Opportunities for advancement as the company continues to grow and expand.
  • Stable, family-owned company with a strong reputation.
  • Paid holidays and vacation
  • Health benefits available

Schedule

  • Full-Time
  • Monday–Friday
  • Overtime available

Pay

Competitive hourly wage based on experience and qualifications.

If you’re a motivated mechanic who enjoys solving problems and wants to grow with a company that is expanding into new services like roadside assistance and towing, we’d love to hear from you.

Vacancy posted 6 days ago
Similar jobs that could be interesting for youBased on the Diesel Mechanic in Madison, IL vacancy
  • $33.5 per hour

     ...minor repairs and standard component inspections/ repairs of fleet diesel equipment (tractors, trailers, refrigeration units) as well as,...  ...perform repairs as required Inspect brake systems, steering mechanisms, wheel bearings, and other important parts to ensure that they... 
    Suggested
    Hourly pay
    Full time
    Local area
    Relocation package

    Performance Foodservice

    Saint Louis, MO
    14 hours ago
  • $28 - $43 per hour

     ...East Saint Louis, United States | Posted on 08/18/2026 Diesel Truck & Tanker Trailer Mechanics are needed in East St. Louis IL to join a national fleet. This opening provides an opportunity for growth, training, and advancement. Compensation: $28.00 - $43.00/hour $7,50... 
    Suggested
    Weekly pay
    Relocation package
    Monday to Friday
    Shift work

    Mastertech Services

    Saint Louis, MO
    1 day ago
  •  ...Bulk Equipment Corp in Granite City, IL is seeking a Heavy Equipment Shop Mechanic to diagnose, troubleshoot, and repair diesel-powered machinery. You will perform inspections, preventative maintenance, and component replacements to keep fleet reliability high for steel... 
    Suggested
    Shift work

    Inland Rivers, Ports & Terminals, INC.

    Granite City, IL
    6 hours ago
  • $32.26 - $48.41 per hour

     ...each offering accident repair, painting, refurbishment, and heavy mechanical repair. We are supported by a 24/7 in-house call-center and...  ...anywhere, anytime. Fleet Services is currently hiring a Sr. Mobile Diesel Technician. The Sr. Mobile Diesel Technician will be... 
    Suggested
    Hourly pay
    Weekly pay
    Currently hiring
    Local area
    Shift work
    Weekend work

    Cox

    Saint Louis, MO
    1 day ago
  • Performance Food Group (New) is seeking skilled technicians to diagnose and repair medium to heavy-duty trucks and trailers. Responsibilities include preventative maintenance, brake and steering inspections, and road-call service as needed. Strong diagnostic and electrical...
    Suggested
    Relocation package
    Night shift

    Performance Food Group

    Saint Louis, MO
    1 day ago
  • $30 per hour

     ...minor repairs and standard component inspections/ repairs of fleet diesel equipment (tractors, trailers, refrigeration units) as well as...  ...repair onboard computers. Inspect brake systems, steering mechanisms, wheel bearings, and other important parts to ensure that they... 
    Hourly pay
    Local area
    Relocation package

    Performance Foodservice

    Saint Louis, MO
    13 hours ago
  •  ...chance to make your mark with the world’s largest equipment rental provider, come build your future with United Rentals! As a Diesel Mechanic - Experienced (Service Tech IV), you’ll use your skills to perform maintenance and repairs of complex equipment with limited or... 
    Hourly pay

    UR Work

    Saint Louis, MO
    1 day ago
  • $50 per hour

     ...Diesel Service Tech/MechanicOur client, a family-owned truck repair operated Union Diesel Repair Shop serving the St. Louis area for...  ...generation of Schroeders. We are currently looking for Diesel Mechanics for our 2nd shift, 3:30 to Midnight. Monday through Friday work... 
    Weekly pay
    Local area
    Monday to Friday
    Night shift
    Afternoon shift

    Cogent Talent Solutions

    Saint Louis, MO
    1 day ago
  •  ...passionate about providing the highest level of customer service will surround you everyday.The ideal candidate will have:Cummins, Detroit Diesel and/or other Heavy-Duty certification strongly preferredMinimum 3 years truck dealership experienceFreightliner experience helpful... 
    Temporary work

    TAG Truck Center

    Saint Louis, MO
    13 hours ago
  • $26 - $28 per hour

     ...Diesel MechanicAre you seeking a safer work environment as a mechanic? Is your family's financial security important to you? Aspiring to advance in your mechanic career? Searching for a company that prioritizes its employees' well-being? If this speaks to you, then WM... 
    Hourly pay
    Start working today
    Local area
    Immediate start
    Monday to Friday

    Waste Management

    Saint Louis, MO
    1 day ago
  • $25 per hour

     ...Diesel MechanicWe are seeking an experienced Diesel Mechanic to inspect, diagnose, repair, and maintain our fleet of diesel-powered buses. The ideal candidate is a skilled technician who takes pride in keeping vehicles safe, reliable, and road-ready, ensuring our drivers... 
    Shift work
    Night shift
    Afternoon shift

    Greyhound

    Saint Louis, MO
    1 day ago
  •  ...Diesel Mechanic - Experienced (Service Tech IV)If you'd like the chance to make your mark with the world's largest equipment rental provider, come build your future with United Rentals!As a Diesel Mechanic - Experienced (Service Tech IV), you'll use your skills to perform... 

    United Rentals

    Saint Louis, MO
    1 day ago
  • $29 per hour

     ...First Student is now hiring a Diesel Technician for our shop serving Granite City! Hours/Schedule: Monday–Friday, Full-time day shift...  ...safe and on time every day—because behind every bus is a skilled mechanic who ensures reliability, safety, and peace of mind for families... 
    Hourly pay
    Price work
    Full time
    Local area
    Immediate start
    Monday to Friday
    Day shift

    First Management Services

    Granite City, IL
    1 day ago
  • $20 per hour

     ...commercial vehicle dealerships across the US. Whether you're a recent graduate eager to kickstart your career or an experienced & certified Diesel Technician seeking a new path, we are looking to welcome you to our team!With more than 200 locations and nearly 8,000 dedicated... 

    Rush Enterprises

    Granite City, IL
    4 days ago
  • $31.5 - $35 per hour

     ...Diesel MechanicWe are hiring immediately multiple Diesel Mechanics to maintain, diagnose and repair our commercial vehicles and related equipment in our Madison, IL location. If your background includes diesel technician or related experience and excellent customer service... 
    Hourly pay
    Immediate start
    Monday to Friday
    Shift work
    Night shift

    Maverick USA

    Madison, IL
    4 days ago
  • $35 per hour

     ...Diesel MechanicIf you're looking for a career that will give you a strong sense of pride and purpose, this is the job for you. Getting...  ...a team that keeps our community moving.We're hiring Diesel Mechanics at all levels—whether you have 1 year of experience or are an advanced... 
    Hourly pay
    Relocation package
    Early shift

    Illinois Central School Bus

    Saint Louis, MO
    3 days ago
  • $33.5 per hour

     ...minor repairs and standard component inspections/ repairs of fleet diesel equipment (tractors, trailers, refrigeration units) as well as,...  ...perform repairs as required Inspect brake systems, steering mechanisms, wheel bearings, and other important parts to ensure that they... 
    Hourly pay
    Full time
    Local area
    Relocation package

    Performance Foodservice

    Saint Louis, MO
    13 hours ago
  • $35 per hour

     ...Diesel Mechanic If you're looking for a career that will give you a strong sense of pride and purpose, this is the job for you. Getting over 1,000,000 children safely to and from school every day is one of the most important jobs you will ever have. Come work for North... 
    Hourly pay
    Relocation package
    Day shift
    Early shift

    Illinois Central School Bus

    Saint Louis, MO
    4 days ago
  • $70k - $90k

     ...About the Job Now Hiring: Experienced Diesel Mechanic East St. Louis, IL - Rose Lake Rail Terminal Take your skills to a place where they truly matter. At Pacific Rail Services (PRS), we keep one of the busiest rail terminals in the region moving every single... 
    Temporary work
    Immediate start
    Monday to Friday
    Shift work
    Day shift

    Rail Management Services LLC

    Saint Louis, MO
    2 days ago
  • $52k - $61.01k

     ...Qualifications Minimum of two to four years medium/heavy truck Fleet mechanic repair experience. Diagnostic, Electrical, and AC skills...  ...a must. Technical knowledge of major vehicle systems and diesel equipment is required. Have previous fleet experience and... 
    Hourly pay
    Full time
    Local area

    Zūm

    Saint Louis, MO
    2 days ago
  • $54.08k - $58.24k

     ...Are you seeking a safer work environment as a mechanic? Is your family’s financial security important to you? Aspiring to advance in your...  ..., and a safe environment to work. That’s what you get as a Diesel Mechanic at WM – and more. The pay and benefits you’ll get... 
    Hourly pay
    Full time
    Work experience placement
    Start working today
    Local area
    Immediate start
    Monday to Friday
    Afternoon shift

    Waste Management, Inc. (WM)

    Saint Louis, MO
    2 days ago
  • MasterTech is seeking Diesel Truck & Tanker Trailer Mechanics for our East St. Louis, IL operation. This role offers growth opportunities within a national fleet, with a 5x8 daytime schedule (Mon-Fri, 8:00am-4:30pm) and a comprehensive compensation package including a $... 
    Weekly pay
    Relocation package

    MasterTech

    East Saint Louis, IL
    3 days ago
  • $36 - $43 per hour

    Raineri Construction, Llc in St. Louis is seeking an experienced Mechanic to handle maintenance and repairs on vehicles, heavy equipment, and tools. The position offers a competitive starting wage between $36 to $43 per hour, based on experience. Join a company committed... 
    Hourly pay

    Raineri Construction, Llc

    Saint Louis, MO
    4 days ago
  • $23 - $45 per hour

     ...Sr. Diesel MechanicAre you seeking a safer work environment as a mechanic? Is your family's financial security important to you? Aspiring to advance in your mechanic career? Searching for a company that prioritizes its employees' well-being? If this speaks to you, then... 
    Hourly pay
    Temporary work
    Local area
    Monday to Friday

    Waste Management

    Saint Louis, MO
    13 hours ago
  • $28 - $40 per hour

    Waste Management is seeking Diesel Mechanics to inspect, maintain, and repair diesel-powered garbage trucks and heavy equipment used for waste collection operations. Diesel Mechanics are responsible for diagnosing mechanical issues, performing preventative maintenance,... 
    Hourly pay
    Full time
    Relocation package
    Shift work
    Night shift
    Afternoon shift

    Waste Management , Inc.

    Saint Louis, MO
    2 days ago
  • $30 per hour

    Job Description Job Description Up to $30/hr | Full Benefits | Tools Provided AAA Truck & Trailer Services
    Hourly pay

    AAA Truck & Trailer Services

    Saint Louis, MO
    3 days ago
  •  ...Field Diesel Mechanic (Service Tech IV - Field Service)If you'd like the chance to make your mark with the world's largest equipment rental provider, come build your future with United Rentals!As a Field Diesel Mechanic (Service Tech IV - Field Service), you'll use your... 

    United Rentals

    Saint Louis, MO
    1 day ago
  • Position Overview Experienced Diesel Mechanic - East St. Louis, IL. Join the Power Behind a Rail Terminal working at Pacific Rail Services (PRS). Pay Base pay range: $36.00/hr - $39.00/hr, equivalent to $70K-$90K/year based on experience and overtime potential. Benefits... 
    Full time
    Monday to Friday
    Day shift

    Pacific Rail Services

    East Saint Louis, IL
    4 days ago
  • $30 per hour

     ...minor repairs and standard component inspections/ repairs of fleet diesel equipment (tractors, trailers, refrigeration units) as well as...  ...and repair onboard computers. Inspect brake systems, steering mechanisms, wheel bearings, and other important parts to ensure that they... 
    Hourly pay
    Relocation package

    Performance Foodservice

    Saint Louis, MO
    4 days ago
  • $30.68 per hour

    Location: US-MO-St. Louis Overview As a Diesel Mechanic, you will be responsible for the maintenance, repair, and diagnostics of our diesel-powered fleet of buses. Your day-to-day involves more than just fixing engines; you'll be part of a tight-knit team that helps change... 
    Local area
    Shift work
    Afternoon shift

    Greyhound Lines, Inc.

    Saint Louis, MO
    4 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Diesel Mechanic. Be the first to apply!