Interstate Companies, Inc.

Diesel Mechanic

Interstate Companies, Inc.  •  Sioux Falls, SD (Onsite)  •  6 days ago
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Job Description

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—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.

#DieselTechnician #MechanicJobs #SkilledTrades #NowHiring #CDRXP

Interstate Companies, Inc.

About Interstate Companies, Inc.

Interstate Companies, Inc. is an industrial distributor, assembler, truck dealer, and a maintenance and repair provider. Our five operating divisions get their executive leadership, strategic planning, Acounting, IT, HR and Warranty support from our Corporate facility. Our operating divisions are:

Interstate AssemblySystems - an ISO 9001:2008 certified assembler.

Interstate BearingSystems - a distributor of industrial bearings and power transmission products. We are a member of both BSA and PTDA.

Interstate IndustrialSystems - a leading provider of Plant Services and field maintenance labor. We offer flexible labor solutions for contract and project-based work in mining, oilfield, and remote maintenance environments.

Interstate PowerSystems - an industrial distributor and maintenance and repair provider. We sell and service diesel engines, transport refrigeration, industrial automatic transmissions, and other products for both on-road and off-road applications.

I-State Truck Centers - a family of full-service truck dealerships. We sell, service and support commercial vehicles and heavy-duty trailers.

Industry
Transportation & Logistics
Company Size
501-1,000 employees
Headquarters
Minneapolis, Minnesota
Year Founded
Unknown
Website
istate.com
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