Journeyman Diesel Mechanic

Location: Billings Montana
Position: Journeyman Diesel Mechanic
Company: I-State Truck Center
Schedule: Wednesday Saturday

I-State Truck Center is a leading provider of heavy-duty truck sales parts and service specializing in Freightliner Western Star and Thomas Built Bus products. We proudly support commercial fleets owner-operators and businesses across the region. Our Billings Montana location offers a fast-paced professional shop environment for skilled diesel technicians looking to apply their expertise and continue growing their careers.

The ideal candidate has proven heavy-duty diesel truck experience and a strong background in diagnostics repair and preventive maintenance. This role offers competitive wages a consistent WednesdaySaturday schedule and long-term stability within a growing organization.

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).
• Preventive Maintenance: Perform routine maintenance including oil changes filter replacements brake adjustments tire inspections and chassis lubrication to ensure reliability and regulatory compliance.
• Component Repairs: Repair or replace critical components such as diesel engines transmissions differentials turbochargers and braking systems.
• Welding and Fabrication: Perform minor welding cutting or fabrication work to repair or modify frames and components as needed.
• Documentation: Complete accurate service reports document parts usage and record maintenance activities for warranty billing DOT compliance and inventory tracking.
• Customer Interaction: Communicate with drivers and fleet managers regarding repairs recommendations and service outcomes.
• Safety Compliance: Follow OSHA DOT manufacturer and company safety guidelines while maintaining a clean and organized work environment.
• Tool & Equipment Management: Maintain shop tools diagnostic equipment and service areas to ensure operational readiness.

Qualifications

• Education: High school diploma or equivalent; technical diploma or certification in diesel or heavy-duty truck repair preferred.
• Experience:
  • 25 years of hands-on heavy-duty diesel truck experience is required
  • Experience with brands such as Freightliner Kenworth Peterbilt Volvo Mack or similar
• Technical Skills:
  • Strong knowledge of diesel engines electrical systems hydraulics and ECM diagnostics
  • Proficiency with diagnostic software and hand/power tools
  • Ability to read and interpret technical manuals wiring diagrams and schematics
• Soft Skills:
  • Strong problem-solving ability and attention to detail
  • Effective communication and customer service skills
• Certifications (Preferred):
  • Manufacturer training (Cummins Detroit Diesel Paccar) or ASE Heavy-Duty certifications (T2T8)
• Physical Requirements:
  • Ability to lift 5075 lbs. work under trucks and perform duties in various shop conditions
• License:
  • Valid drivers license required
  • CDL strongly preferred

Employee Benefits

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

This job description is not designed to cover a comprehensive listing of activities duties or responsibilities. Duties and responsibilities may change at any time.

Interstate Companies is an Equal Opportunity Employer.

Military Friendly Hiring.

#Mechanic #DieselTechnician #HeavyDuty #TruckMechanic #CDRXP