Diesel Technician: Heavy-Duty Diagnostics & PM Expert

Interstate PowerSystems

Billings (MT)

Hybrid

USD 52,000 - 90,000

Full time

9 hours ago

Be an early applicant

Application generator

An application made for this job — a tailored resume and cover letter that speak straight to the posting.

Get past ATS filters

Benefits offered by this job

Competitive wages

Uniforms provided

Tuition assistance

Medical, dental, and vision coverage

PTO

401(k) with company match

Disability insurance

Life insurance

HealthiestYou virtual healthcare

PPE reimbursement

Employee discounts

EAP – 24/7 access

Wellness screening

Job summary

Interstate Power Systems in Billings, MT, is seeking a skilled diesel technician to diagnose, repair, and perform preventive maintenance on heavy-duty trucks and equipment. You will work with OEM platforms and diagnostic software to troubleshoot complex systems, read schematics, and ensure quality workmanship.

The role involves welding, fabrication, and accurate documentation, with opportunities for manufacturer training and career development.

Qualifications

2-5+ years diesel technician experience required.
Experience diagnosing and repairing heavy-duty trucks, vocational trucks, construction equipment, mining 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.

Responsibilities

Diagnose and repair 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.
Perform routine preventive maintenance including oil changes, filter replacements, brake inspections, fluid services, chassis lubrication, and equipment inspections.
Repair or replace major components including diesel engines, transmissions, differentials, aftertreatment systems, hydraulic components, steering systems, and braking systems.
Diagnose and repair electrical systems, engine controls, sensors, wiring harnesses, and electronic control modules (ECMs).
Perform minor welding, cutting, and fabrication work necessary to complete equipment repairs and modifications.
Complete accurate repair orders, maintenance records, warranty documentation, and parts usage reports.
Communicate repair findings, maintenance recommendations, and equipment status updates with customers and service personnel.
Follow OSHA, manufacturer, and company safety standards while maintaining a clean and organized work environment.
Maintain tools, diagnostic equipment, and shop resources to ensure operational readiness and efficiency.