Job Title: Heavy-Duty Diesel Truck Mechanic
Location: Sioux Falls South Dakota
Company: I-State Truck Center
Join a leading Midwest truck dealership and service provider.
At I-State Truck Center, we specialize in Freightliner, Detroit Diesel, Isuzu Truck, Battle Motors, and Fruehauf Trailers-and we're looking for skilled Diesel Technicians who take pride in quality work and want to grow their careers in a stable, team-focused environment.
What You'll Do
- Diagnose & repair mechanical, electrical, and hydraulic issues on heavy-duty diesel trucks
- Use advanced diagnostics (Cummins Insite, Detroit Diesel Diagnostic Link, OEM software)
- Perform preventive maintenance (oil, brakes, inspections, lubrication)
- Repair/replace major components (engines, transmissions, differentials, turbos)
- Complete work orders and documentation for warranty and compliance
- Communicate repairs and recommendations to customers
- Maintain a safe, clean, and organized workspace
What We're Looking For
- 2+ years of heavy-duty diesel repair experience
- Strong troubleshooting and diagnostic skills
- Experience with trucks like Freightliner, Kenworth, Peterbilt, Volvo, or Mack
- Ability to read schematics and technical manuals
- Basic welding/fabrication skills (preferred)
- Valid driver's license (CDL preferred)
- Diesel tech certification or ASE (T2-T8) is a plus
Why Join I-State Truck Center?
- Competitive pay - paid for your experience
- Full benefits starting the 1st of the next month
- Health, Dental, Vision
- 401(k) with company match
- PTO starting day one
- Paid holidays + floating holidays
- Company-paid life & disability insurance
- Tuition assistance & career growth opportunities
- Uniforms provided & cleaned
- Tool program available
- Boot & safety glasses reimbursement
- Employee discounts + wellness programs
- Pet insurance
Physical Requirements
- Lift up to 75 lbs
- Work in shop and outdoor conditions
- Perform physically active tasks throughout the shift
About Us
I-State Truck Center is part of Interstate Companies-committed to delivering best-in-class service to fleets, owner-operators, and businesses across the Midwest.
Apply today to start your next chapter as a Diesel Technician.
Interstate Companies is an Equal Opportunity Employer and proudly supports Military-Friendly hiring.
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