Journeyman Diesel Technician

Interstate PowerSystems; Inver Grove Heights (MN); On-site; USD 50,000 - 70,000; Full time

Benefits offered by this job

Competitive wages

Medical, dental, and vision coverage

Tuition assistance

401(k) with company match

Paid time off and holidays

Company-paid life insurance

Job summary

A leading heavy-duty truck service provider in Inver Grove Heights, MN, is seeking a skilled Diesel Mechanic to diagnose and repair diesel engines and systems. The ideal candidate will have 2–5 years of experience in diesel truck service, technical knowledge, and a commitment to delivering excellent customer service. The role offers competitive wages and benefits including medical coverage, PTO, and tuition assistance, in a supportive and dynamic work environment.

Qualifications

• 2–5 years of experience servicing heavy-duty diesel trucks.
• Strong knowledge of diesel engines, electrical systems, hydraulics.
• Professional communication and customer service skills.

Responsibilities

• Diagnose and troubleshoot mechanical and electrical systems.
• Perform routine preventive maintenance on diesel trucks.
• Complete detailed service reports and document maintenance activities.

Skills

Knowledge of diesel engines

Electrical systems expertise

Strong troubleshooting skills

Proficiency with diagnostic tools

Basic welding or fabrication skills

Education

High school diploma or equivalent

Technical diploma in diesel mechanics

Tools

OEM diagnostic software

Hand tools

Power tools

Job description

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
• 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)
• Employee Assistance Program (EAP) – free 24/7 access
• Paid employee health and wellness screening

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