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Diesel Service Manager Jobs in Wisconsin (NOW HIRING)

Istate Truck Center

Entry Level Diesel Mechanic

Windsor, WI · On-site

$25.25 - $33.25/hr

Job Title: Entry-Level Diesel Mechanic Location: Madison, Wisconsin Company: I-State Truck Center I ... Accurately document all work performed using digital service management software. * Maintain a ...

Istate Truck Center

Entry Level Diesel Mechanic

Windsor, WI

$25.25 - $33.25/hr

Job Title: Entry-Level Diesel Mechanic Location: Madison, Wisconsin Company: I-State Truck Center I ... Accurately document all work performed using digital service management software. * Maintain a ...

Istate Truck Center

Entry Level Diesel Mechanic

Windsor, WI · On-site

$25.25 - $33.25/hr

Job Title: Entry-Level Diesel Mechanic Location: Madison, Wisconsin Company: I-State Truck Center I ... Accurately document all work performed using digital service management software. * Maintain a ...

Absolute Jobs

Diesel Technician

Kieler, WI

Absolute Jobs is currently seeking a well rounded Diesel Technician to fill an opening with a ... the Service Manager Company provides training for development of diagnostic skill set Benefits ...

Truck Country

Service Manager

Wausau, WI · On-site

Lead and develop a team of Shop Foremen, Service Advisors, and Diesel Technicians * Drive shop ... Highly organized with the ability to manage multiple priorities under pressure * Team-oriented ...

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Diesel Service Manager information

See Wisconsin salary details

$9

$26

$54

How much do diesel service manager jobs pay per hour?

As of Jul 27, 2026, the average hourly pay for diesel service manager in Wisconsin is $26.60, according to ZipRecruiter salary data. Most workers in this role earn between $17.45 and $32.98 per hour, depending on experience, location, and employer.

What is the difference between Diesel Service Manager vs Diesel Technician?

AspectDiesel Service ManagerDiesel Technician
CertificationsASE certifications, management trainingASE certifications, diesel repair certifications
Work EnvironmentSupervisory role, office and shop managementHands-on repair in shop or field
Employer & Industry UsageFleet companies, repair shops, dealershipsRepair shops, fleet maintenance, service centers

The Diesel Service Manager oversees operations, manages staff, and ensures service quality, while the Diesel Technician focuses on diagnosing and repairing diesel engines. Both roles require technical certifications, but the manager's role emphasizes leadership and coordination, whereas the technician's role is hands-on repair work.

What are popular job titles related to Diesel Service Manager jobs in Wisconsin? For Diesel Service Manager jobs in Wisconsin, the most frequently searched job titles are:
What job categories do people searching Diesel Service Manager jobs in Wisconsin look for? The top searched job categories for Diesel Service Manager jobs in Wisconsin are:
What cities in Wisconsin are hiring for Diesel Service Manager jobs? Cities in Wisconsin with the most Diesel Service Manager job openings:
Diesel Service Manager jobs near you
Infographic showing various Diesel Service Manager job openings in Wisconsin as of July 2026, with employment types broken down into 91% Full Time, 8% Part Time, and 1% Nights. Highlights an 100% Physical job distribution, with an average salary of $55,319 per year, or $26.6 per hour.
Entry Level Diesel Mechanic

Entry Level Diesel Mechanic

Istate Truck Center

Windsor, WI • On-site

$25.25 - $33.25/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 18 days ago

I-State Truck Center rating

9.3

Company rating: 9.3 out of 10

Based on 14 frontline employees who took The Breakroom Quiz

2nd of 150 rated car dealerships

Job description

Job Title: Entry-Level Diesel Mechanic
Location: Madison, Wisconsin
Company: I-State Truck Center
I-State Truck Center is a leading provider of heavy-duty truck sales, parts, and service in the Midwest, specializing in Freightliner, Western Star, and Detroit Diesel products. With a commitment to excellence and customer satisfaction, we serve commercial fleets, owner-operators, and businesses across Wisconsin and beyond. Our Madison location offers a dynamic environment for skilled tradespeople to grow their careers.
The ideal candidate will have a strong foundation in diesel engine repair, diagnostics, and maintenance, with a focus on delivering high-quality service to ensure customer satisfaction. This role offers highly competitive wages and opportunities for career growth in a fast-paced work environment.
Job Summary
We are seeking a motivated Entry-Level Diesel Mechanic to join our Madison service team. This role is ideal for a recent graduate from a diesel technology program or someone with 1-2 years of hands-on experience in diesel repair. You'll work alongside seasoned technicians performing preventive maintenance, diagnostics, and repairs on Class 6-8 trucks and trailers. If you're eager to apply your foundational skills while continuing to learn advanced techniques, this is an excellent opportunity to build a long-term career in heavy-duty diesel service.
Key Responsibilities
  • Perform routine inspections, oil changes, and preventive maintenance on diesel engines, transmissions, brakes, and electrical systems.
  • Assist senior technicians with diagnostics using tools such as OBD scanners, multimeters, and air gauges.
  • Disassemble, repair, and reassemble components including fuel systems, aftertreatment systems, and suspension components under supervision.
  • Accurately document all work performed using digital service management software.
  • Maintain a clean, organized, and safe work area in compliance with company policies and OSHA standards.
  • Coordinate with the parts department to identify needed components.
  • Participate in on-the-job training and manufacturer certification programs.

Qualifications
Education:
  • High school diploma or equivalent required
  • Technical diploma or certification in automotive, diesel mechanics, or heavy-duty truck repair preferred

Experience:
  • 1-2 years of experience working on light-duty automotive or heavy-duty diesel trucks (Freightliner, Kenworth, Peterbilt, Volvo, Mack, etc.)

Skills:
  • Basic understanding of diesel engine systems, air brakes, and hydraulics
  • Familiarity with OEM diagnostic platforms (Cummins Insite, Detroit Diesel DiagnosticLink, etc.)
  • Ability to read service manuals, wiring diagrams, and schematics
  • Strong attention to detail, problem-solving skills, and safety-first mindset
  • Dependable attendance and team-oriented attitude

Physical Requirements:
  • Ability to lift 50-75 lbs
  • Ability to work in confined spaces and varying shop conditions

Preferred Skills
  • Experience with Freightliner and Detroit Diesel platforms
  • Exposure to diagnostic software such as DiagnosticLink or Jaltest
  • Basic welding or fabrication experience a plus

Employee Benefits
  • Competitive wages - be paid your worth
  • Uniforms provided and cleaned
  • Tool program available
  • Tuition assistance for ongoing education and career growth
  • Medical, dental, and vision coverage starting the first of the month following hire
  • PTO accrual starting day one
  • 6 paid holidays plus 2 floating holidays
  • 401(k) with company match
  • Company-paid short-term and long-term disability
  • Company-paid life insurance
  • Healthiest You virtual healthcare
  • PPE reimbursement (safety glasses and safety boots)
  • Pet insurance
  • Employee discounts on products and services
  • Employee Assistance Program (EAP) - free 24/7 access
  • Paid health and wellness screening

This job description is not intended to be an exhaustive list of duties and may be modified at any time.
Interstate Companies is an Equal Opportunity Employer. All qualified applicants are encouraged to apply.
Military Friendly Hiring
#Mechanic
#Technician
#CDRXP

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