Heavy-Duty Diesel Truck MechanicJoin 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 DoDiagnose & repair mechanical, electrical, and hydraulic issues on heavy-duty diesel trucksUse 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 complianceCommunicate repairs and recommendations to customersMaintain a safe, clean, and organized workspaceWhat We're Looking For2+ years of heavy-duty diesel repair experienceStrong troubleshooting and diagnostic skillsExperience with trucks like Freightliner, Kenworth, Peterbilt, Volvo, or MackAbility to read schematics and technical manualsBasic welding/fabrication skills (preferred)Valid driver's license (CDL preferred)Diesel tech certification or ASE (T2–T8) is a plusWhy Join I-State Truck Center?Competitive pay — paid for your experienceFull benefits starting the 1st of the next monthHealth, Dental, Vision401(k) with company matchPTO starting day onePaid holidays + floating holidaysCompany-paid life & disability insuranceTuition assistance & career growth opportunitiesUniforms provided & cleanedTool program availableBoot & safety glasses reimbursementEmployee discounts + wellness programsPet insurancePhysical RequirementsLift up to 75 lbsWork in shop and outdoor conditionsPerform physically active tasks throughout the shiftAbout 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.