Diesel Technician: Growth, Diagnostics & PMs

True North Fleet Services; Town of Texas (WI); On-site; USD 34,440,000 - 52,349,000; Full time

Benefits offered by this job

Paid ASE testing

Certification support

Training opportunities

Stable schedule

Job summary

True North Fleet Services, in partnership with Billy Bob's Repair and Tire, is seeking a skilled Diesel Technician to keep heavy trucks safe, reliable, and on the road. You will perform preventive maintenance, diagnostics, and quality repairs on heavy‑duty equipment.

If you value teamwork, steady growth, and hands‑on problem solving, this role offers training, ASE certification support, and a stable schedule with opportunities for advancement.

Qualifications

• 2+ years of diesel or heavyduty maintenance experience (fleet, dealership, or independent shop).
• ASE TSeries certifications preferred (T2, T4, T5, T6, T8) or willingness to obtain
• Strong mechanical and diagnostic skills
• Familiarity with preventive maintenance programs
• Ability to work independently and as part of a team
• Valid driver’s license (CDL a plus, not required)

Responsibilities

• Perform preventive maintenance on heavyduty trucks and trailers
• Diagnose and repair diesel engines, brake systems, suspension, steering, and electrical components
• Identify and troubleshoot mechanical and electronic issues
• Complete DOT inspections and ensure compliance standards are met
• Accurately document repairs and maintenance activities
• Maintain a clean, safe, and organized work environment
• Collaborate with drivers, service advisors, and shop leadership

Skills

Diesel maintenance

Heavy-duty trucks

Diagnostics

Preventive maintenance

Teamwork

CDL beneficial

Tools

Diagnostic tools

Job description

True North Fleet Services, in partnership with Billy Bob's Repair and Tire, is seeking a skilled Diesel Technician to keep heavy trucks safe, reliable, and on the road. You will perform preventive maintenance, diagnostics, and quality repairs on heavy‑duty equipment.

If you value teamwork, steady growth, and hands‑on problem solving, this role offers training, ASE certification support, and a stable schedule with opportunities for advancement.