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Open nowPosted 6 days ago

Journeyman Diesel Mechanic

istate88 open roles

Where
Billings, MT, US
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Your applicationOpen nowJourneyman Diesel Mechanicistate · Billings, MT, US

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The clock on this job

Early applications get read.

12.3% of postings close within 7 days. Measured by our own scanner across the market. istate postings stay open a median of 1 days.

Share of postings closed within
  1. 2.1%1 day
  2. 4.5%3 days
  3. 12.3%7 days
  4. 19.3%14 days
  5. 35.6%30 days
  6. 58.1%60 days
This job: posted 6 days ago

istate median: 1 days open

The posting

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 Wednesday–Saturday 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: 2–5+ 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 (T2–T8)
  • Physical Requirements: Ability to lift 50–75 lbs., work under trucks, and perform duties in various shop conditions
  • License: Valid driver’s 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

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