Senior Diesel Mechanic – Heavy‑Duty Diagnostics & Repairs

I-STATE TRUCK CENTERS; Billings (MT); On-site; USD 50,000 - 70,000; Full time

Benefits offered by this job

Competitive wages

Uniforms provided

Tool program available

Medical, dental, and vision coverage

401(k) with company match

Employee discounts

Job summary

I-State Truck Center in Billings, Montana is seeking a Journeyman Diesel Mechanic to join our dynamic team. The ideal candidate will have 2–5 years of heavy-duty diesel truck experience, proficient in diagnostics, repair, and preventive maintenance. This position offers a competitive salary, consistent Wednesday to Saturday schedule, and a range of employee benefits including medical coverage and tuition assistance. Join us in a fast-paced environment with opportunities for career growth.

Qualifications

• 2–5+ years of hands-on heavy-duty diesel truck experience required.
• Strong knowledge of diesel engines, electrical systems, and hydraulics.

Responsibilities

• Diagnose complex mechanical, hydraulic, electrical, and electronic systems.
• Perform routine maintenance including oil changes and brake adjustments.
• Repair or replace critical components such as diesel engines and transmissions.

Skills

Heavy-duty diesel truck experience

Strong problem-solving ability

Effective communication skills

Education

High school diploma or equivalent

Technical diploma or certification in diesel repair

Tools

Diagnostic software

Hand/power tools

Job description

I-State Truck Center in Billings, Montana is seeking a Journeyman Diesel Mechanic to join our dynamic team. The ideal candidate will have 2–5 years of heavy-duty diesel truck experience, proficient in diagnostics, repair, and preventive maintenance. This position offers a competitive salary, consistent Wednesday to Saturday schedule, and a range of employee benefits including medical coverage and tuition assistance. Join us in a fast-paced environment with opportunities for career growth.