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Diesel Mechanic

Istate Truck CenterSioux Falls, SD
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Overview

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On-site

Job Description

Job Title: Heavy-Duty Diesel Truck MechanicLocation: Sioux Falls South DakotaCompany: 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 UsI-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

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FAQs About Diesel Mechanic Jobs at Istate Truck Center

What is the work location for this position at Istate Truck Center?
This job at Istate Truck Center is located in Sioux Falls, SD, according to the details provided by the employer. Some roles may also include multiple work locations depending on the requirement.
What pay range can candidates expect for this role at Istate Truck Center?
Employer has not shared pay details for this role.
What employment applies to this position at Istate Truck Center?
The employer has not provided this information. This may be discussed during the hiring process.
What is the process to apply for this position at Istate Truck Center?
You can apply for this role at Istate Truck Center either through Sonara's automated application system, which helps you submit applications 10X faster with minimal effort, or by applying manually using the direct link on the job page.