Job Description

Job Title: Entry-Level Diesel Mechanic
Location: Bismarck North Dakota
Company: I-State Truck Center

I-State Truck Center is a leading provider of heavy-duty truck sales, parts, and service in the Midwest, specializing in Freightliner, Western Star, and Detroit Diesel products. With a commitment to excellence and customer satisfaction, we serve commercial fleets, owner-operators, and businesses across North Dakota and beyond. Our Bismarck location is at the heart of our operations, offering a dynamic environment for skilled tradespeople to grow their careers. The ideal candidate will have a strong background in diesel engine repair, diagnostics, and maintenance, with a focus on delivering high-quality service to ensure customer satisfaction. This role offers highly competitive wages and opportunities for career growth in a dynamic work environment.

We are seeking a motivated Entry-Level Diesel Mechanic to join our Bismarck service team. This role is ideal for a recent graduate from a diesel technology program or someone with 1-2 years of hands-on experience in diesel repair. You'll work alongside seasoned technicians on preventive maintenance, diagnostics, and repairs for Class 6-8 trucks and trailers. If you're eager to apply your foundational skills in a fast-paced shop while learning advanced techniques, this is your opportunity to launch a rewarding career in heavy-duty diesel service.

Key Responsibilities

• Perform routine inspections, oil changes, and preventive maintenance on diesel engines, transmissions, brakes, and electrical systems.
• Assist senior mechanics with diagnostics using tools like OBD scanners, multimeters, and air gauges to identify and resolve mechanical issues.
• Disassemble, repair, and reassemble components such as fuel systems, exhaust aftertreatment, and suspension parts under supervision.
• Document all work performed in detail using our digital service management software, including parts used and labor hours.
• Maintain a clean and organized workspace, adhering to safety protocols and OSHA standards.
• Support parts department by identifying required components during repairs.
• Participate in on-the-job training and manufacturer certification programs to expand your expertise.

Qualifications:

• Education High school diploma or equivalent; technical diploma or certification in automotive, diesel mechanics, or heavy-duty truck repair preferred.
• Experience 1-2 years of experience repairing and maintaining light duty automotive or heavy-duty diesel trucks (e.g., Kenworth, Peterbilt, Freightliner, Volvo, or Mack).
• Skills
  • Basic knowledge of diesel engine principles, hydraulic systems, and air brake technology
  • Familiar with diagnostic tools (e.g., Cummins Insite, Detroit Diesel Diagnostic Link, or OEM software) and hand/power tools.
  • Ability to read and interpret technical manuals, wiring diagrams, and hydraulic schematics.
  • Strong problem-solving skills and attention to detail and a safety-first mindset.
  • Reliable attendance and team-oriented attitude
• Physical Requirements Ability to lift heavy parts (up to 50–75 lbs.), work in confined spaces (e.g., under truck chassis), and perform tasks in various weather conditions.
• Driver’s License Valid driver’s license required; CDL (Commercial Driver’s License) with appropriate endorsements strongly preferred.

Preferred Skills

• Familiarity with Freightliner or Detroit Diesel systems.
• Experience with diagnostic software like DiagnosticLink or Jaltest.
• Basic welding or fabrication skills a plus.

Employee Benefits:

• Competitive Wages – Be paid your worth!
• Uniforms - fully supplied by Interstate including cleaning!
• Tool program - available
• Tuition assistance - for educational and ongoing career growth
• Health, dental and vision coverage - begins on the first day of the following month.
• Paid Time Off - (PTO) starts accruing day one of your full-time employment.
• Holidays - 6 Holidays and 2 Floating Holidays per year
• 401(K) - with company matching.
• Long Term Disability - Supplied
• Short Term Disability - Supplied
• Life Insurance - Supplied
• Healthiest You - Virtual Health Care paid by Interstate.
• PPE Reimbursement- Safety Glasses and Safety Boot Reimbursement
• Pet Insurance – We care about our furry friends!
• Employee Discounts - available on products and services
• Paid Employee Assistance Program - Free 24/7 Access to a guidance consultant regarding life challenges you or family member may face.
• Paid Health and Well-being screening - for employees and their spouse

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.

Interstate Companies is an Equal Opportunity Employer, and we encourage all qualified and interested persons to apply for this position by submitting a resume for consideration.

Military Friendly Hiring.

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