Journeyman Diesel Technician

Location: Billings, Montana
Position: Journeyman Diesel Technician
Company: Interstate Power Systems

Interstate Power Systems is a leading provider of diesel engine, transmission, and heavy equipment solutions, supporting customers across the transportation, construction, mining, agriculture, and industrial industries. We specialize in industry-leading products including Detroit Diesel, Allison Transmission, MTU, Volvo Penta, CAT, Cummins, and other OEM platforms, servicing everything from heavy-duty trucks and vocational vehicles to construction, mining, and industrial equipment.

Our Billings, Montana location offers a fast-paced, professional shop environment for skilled diesel technicians looking to apply their expertise, expand their technical knowledge, and build a long-term career with a growing organization.

The ideal candidate has proven diesel repair experience and a strong background in diagnostics, repair, and preventive maintenance of commercial trucks, vocational equipment, and diesel-powered machinery. This role offers competitive wages, a consistent schedule, and exceptional opportunities for advancement through manufacturer training and career development programs.

Key Responsibilities

• Diagnose and Repair: Troubleshoot complex mechanical, hydraulic, electrical, and electronic systems on heavy-duty trucks, vocational vehicles, and off-highway equipment using advanced diagnostic software, schematics, and technical resources.
• Preventive Maintenance: Perform routine maintenance including oil changes, filter replacements, brake inspections, fluid services, chassis lubrication, and equipment inspections to maximize uptime and reliability.
• Component Repairs: Repair or replace major components including diesel engines, transmissions, differentials, aftertreatment systems, hydraulic components, steering systems, and braking systems.
• Electrical Diagnostics: Diagnose and repair electrical systems, engine controls, sensors, wiring harnesses, and electronic control modules (ECMs).
• Welding and Fabrication: Perform minor welding, cutting, and fabrication work necessary to complete equipment repairs and modifications.
• Documentation: Complete accurate repair orders, maintenance records, warranty documentation, and parts usage reports.
• Customer Interaction: Communicate repair findings, maintenance recommendations, and equipment status updates with customers and service personnel.
• Safety Compliance: Follow OSHA, manufacturer, and company safety standards while maintaining a clean and organized work environment.
• Tool & Equipment Management: Maintain tools, diagnostic equipment, and shop resources to ensure operational readiness and efficiency.

Qualifications

Education

• High school diploma or equivalent required
• Technical degree or certification in diesel technology, heavy equipment repair, or related field preferred

Experience

• 2-5+ years of hands-on diesel technician experience required
• Experience diagnosing and repairing heavy-duty trucks, vocational trucks, construction equipment, mining equipment, agricultural equipment, or industrial diesel-powered equipment
• Experience with Detroit Diesel, Cummins, CAT, Allison Transmission, Volvo Penta, MTU, Kenworth, Peterbilt, Freightliner, Western Star, Mack, Volvo, or comparable products preferred

Technical Skills

• Strong knowledge of diesel engines, drivetrain systems, hydraulic systems, air brake systems, electrical systems, and electronic controls
• Experience using OEM diagnostic software and computerized diagnostic tools
• Ability to diagnose and repair engine, transmission, fuel, cooling, emissions, electrical, and hydraulic systems
• Ability to read and interpret service manuals, wiring diagrams, schematics, and technical documentation
• Proficiency with hand tools, specialty tools, and shop equipment

Soft Skills

• Strong troubleshooting and problem-solving abilities
• Excellent communication and customer service skills
• Ability to work independently and as part of a team
• Strong attention to detail and commitment to quality workmanship

Certifications (Preferred)

• ASE Medium/Heavy Truck Certifications (T2-T8)
• OEM training from Detroit Diesel, Allison, Cummins, CAT, MTU, Volvo Penta, or equivalent manufacturers
• CDL endorsement or related vocational certifications

Physical Requirements

• Ability to lift 50-75 lbs.
• Ability to work in various shop environments and weather conditions
• Ability to stand, bend, kneel, climb, and work around heavy equipment and commercial vehicles

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
• HealthiestYou 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.

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