Heavy-Duty Truck & Trailer Diesel Tech (Class 8)

Al Warren Oil Company; Chicago (IL); On-site; USD 34,000 - 55,000; Full time

Benefits offered by this job

Competitive pay

Overtime opportunities

Paid time off

401(k) with company match

Health insurance

Dental and vision

HSA contributions

Life insurance

Disability coverage

Training

Tool reimbursement

Annual tool allowance

Job summary

Al Warren Oil Company is seeking a dependable Truck & Trailer Mechanic to join our Chicagoland maintenance team. The role focuses on preventive maintenance, troubleshooting, and repairs for Class 8 diesel trucks, tractors, and tanker trailers to keep equipment safe and reliable for customers.

Ideal candidates will perform diagnostic work, handle heavy-duty repairs, and contribute to DOT readiness. Excellent teamwork and a commitment to quality are valued, with competitive pay and benefits

Qualifications

• Experience repairing heavy-duty trucks or trailers, or relevant diesel technician training.
• Strong troubleshooting skills and ability to use diagnostic equipment.
• Familiarity with fleet maintenance practices and DOT inspection requirements.

Responsibilities

• Inspect, diagnose, maintain, and repair heavy-duty trucks and trailers.
• Troubleshoot diesel engines, electrical systems, air brakes, suspension, steering, and drivetrain components.
• Repair trailer lighting, wiring, ABS systems, wheel seals, and related components.
• Complete scheduled maintenance and identify developing equipment problems.
• Perform safety inspections within your qualifications and support DOT inspection readiness.
• Document repairs, parts used, and follow-up maintenance needs accurately.
• Communicate equipment concerns with drivers, shop personnel, and operations.
• Perform authorized equipment moves and road tests when properly licensed.
• Maintain a clean, organized, and safe work area.

Skills

Heavy-duty trucks

Troubleshooting

Diagnostics

Teamwork

Education

Diesel technician training

Tools

Diagnostic scanners

Welding equipment

Job description

Al Warren Oil Company is seeking a dependable Truck & Trailer Mechanic to join our Chicagoland maintenance team. The role focuses on preventive maintenance, troubleshooting, and repairs for Class 8 diesel trucks, tractors, and tanker trailers to keep equipment safe and reliable for customers.

Ideal candidates will perform diagnostic work, handle heavy-duty repairs, and contribute to DOT readiness. Excellent teamwork and a commitment to quality are valued, with competitive pay and benefits