What are the responsibilities and job description for the Diesel Mechanic position at Istate Truck Center?
Diesel Mechanic / Diesel Technician
Location: Madison, Wisconsin
Company: I-State Truck Center
I-State Truck Center is hiring Diesel Mechanics of all experience levels at our Madison location. We’re open to recent diesel graduates, automotive technicians looking to move into heavy-duty repair, and experienced diesel technicians ready for their next opportunity.
Our technicians work on Class 6–8 trucks, including Freightliner, Western Star, and other major heavy-duty platforms, with engines such as Detroit Diesel, Cummins, CAT, and more.
What You’ll Do
- Perform preventive maintenance, inspections, diagnostics, and repairs.
- Troubleshoot diesel engines, aftertreatment, electrical, brake, suspension, and drivetrain systems.
- Use diagnostic tools such as Cummins INSITE, Detroit Diesel DiagnosticLink, and other OEM software.
- Repair and replace components based on your skill and experience level.
- Accurately document repairs and completed service work.
- Maintain a clean, organized, and safe work environment.
- Participate in ongoing technical and manufacturer training.
What We’re Looking For
- Entry-level through experienced diesel technicians.
- Diesel or automotive technical training is preferred.
- Knowledge of diesel engines, mechanical and electrical systems, air brakes, and aftertreatment systems.
- Strong mechanical aptitude and troubleshooting skills.
- Ability to read service manuals, wiring diagrams, and schematics.
- Valid driver’s license required.
- ASE certifications, OEM training, and CDL are a plus.
- Ability to lift 50–75 lbs. and work in typical heavy-duty shop conditions.
Why I-State Truck Center?
- Competitive pay is based on experience and skill level.
- Manufacturer and OEM training.
- Career advancement opportunities.
- Exposure to a wide range of heavy-duty diagnostics and repairs.
- Experienced, supportive service team.
- Long-term career opportunities with I-State Truck Center.
Whether you’re just starting your diesel career or bringing years of heavy-duty experience, we’d like to hear from you. Apply today to join the I-State Truck Center team in Madison.
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.
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