Journeyman Diesel Technician

Job Title: Journeyman Diesel Mechanic

Location: Inver Grove Heights, Minnesota

Company: I-State Truck Center

Pay Range: $25.00-45.00/hour DOE

I-State Truck Center is a leading provider of heavy-duty truck sales, parts, and service in the Midwest, specializing in Freightliner, Western Star, and Detroit Diesel products. With a commitment to excellence and customer satisfaction, we serve commercial fleets, owner-operators, and businesses across Minnesota and beyond. Our Inver Grove Heights location offers a dynamic environment for skilled tradespeople to grow their careers.

The ideal candidate will have a strong background in diesel engine repair, diagnostics, and maintenance, with a focus on delivering high-quality service to ensure customer satisfaction. This role offers highly competitive wages and opportunities for career growth in a fast-paced work environment.

Key Responsibilities

• Diagnose and Repair: Troubleshoot complex mechanical, hydraulic, electrical, and electronic systems on heavy-duty diesel trucks using advanced diagnostic tools, schematics, and technical manuals (e.g., Cummins Insite, Detroit Diesel Diagnostic Link).
• Perform Maintenance: Conduct routine preventive maintenance, including oil changes, filter replacements, tire inspections, brake adjustments, and chassis lubrication to ensure reliability and compliance with federal and state regulations.
• Component Replacement: Replace or repair major components such as diesel engines, transmissions, differentials, turbochargers, and brake systems.
• Welding and Fabrication: Perform minor welding, cutting, or fabrication tasks as needed.
• Documentation: Complete detailed service reports, document parts used, and record maintenance activities for warranty, billing, DOT compliance, and inventory purposes.
• Customer Interaction: Communicate with fleet managers or drivers to explain repairs and provide maintenance recommendations.
• Safety Compliance: Follow OSHA, DOT, manufacturer, and company safety standards while maintaining a clean work environment.
• Tool and Equipment Management: Maintain tools, equipment, and diagnostic systems to ensure readiness and efficiency.
  
  

Qualifications

Education:

• High school diploma or equivalent required
• Technical diploma or certification in diesel mechanics or heavy-duty truck repair preferred
  
  

Experience

• 2–5 years of experience servicing heavy-duty diesel trucks (Freightliner, Kenworth, Peterbilt, Volvo, Mack, etc.)
  
  

Skills

• Strong knowledge of diesel engines, electrical systems, hydraulics, and electronic controls
• Proficiency with OEM diagnostic software and hand/power tools
• Ability to read and interpret service manuals, wiring diagrams, and schematics
• Strong troubleshooting skills and attention to detail
• Basic welding or fabrication skills preferred
• Professional communication and customer service skills
  
  

Certifications

• OEM training (Cummins, Detroit Diesel, Paccar) or ASE T2–T8 certifications preferred
  
  

Employee Benefits

• Competitive wages – be paid your worth
• Uniforms provided and cleaned
• Tool program available
• Tuition assistance for education and ongoing career growth
• Medical, dental, and vision coverage starting the first of the month following hire
• PTO accrual beginning day one
• 6 paid holidays plus 2 floating holidays annually
• 401(k) with company match
• Company-paid short- and long-term disability
• Company-paid life insurance
• Healthiest You virtual healthcare
• PPE reimbursement (safety glasses and safety boots)
• Pet insurance
• Employee discounts
• Employee Assistance Program (EAP) – free 24/7 access
• Paid employee health and wellness screening
  
  

This job description is not intended to be an exhaustive list of duties and may change at any time.

Interstate Companies is an Equal Opportunity Employer. All qualified applicants are encouraged to apply.

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