Heavy-Duty Truck & Trailer Mechanic: OT & 401(k) Match

Al Warren Oil Company, Inc.; Chicago (IL); On-site; USD 34,000 - 52,000; Full time

Benefits offered by this job

PTO & holidays

401(k) match

Health coverage (BCBS)

HSA contributions

Life insurance

Disability insurance

Job summary

Al Warren Oil Company, Inc. is seeking a dependable Truck & Trailer Mechanic to join our Chicagoland maintenance team.

You will perform preventive maintenance, troubleshoot, and repair Class 8 diesel trucks and trailers, helping keep our fleet safe, reliable, and on the road. Responsibilities include diagnosing engines and electrical systems, completing scheduled maintenance, and supporting DOT readiness while maintaining a clean, organized work area.

Qualifications

• Experience repairing heavy-duty trucks or trailers.
• Strong troubleshooting skills with diagnostic tools.
• Familiarity with fleet maintenance practices and DOT requirements.
• Valid driver’s license; Class A CDL preferred.
• Own basic mechanic tools.
• Able to work independently and with a team.
• Tanker trailer experience, welding, and fabrication skills are a plus.

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 and support DOT inspection readiness.
• Document repairs, parts used, and follow-up maintenance needs.
• 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

Diesel systems

DOT compliance

Tools & diagnostics

Tools

Diagnostic equipment

Welding equipment

Job description

Al Warren Oil Company, Inc. is seeking a dependable Truck & Trailer Mechanic to join our Chicagoland maintenance team.

You will perform preventive maintenance, troubleshoot, and repair Class 8 diesel trucks and trailers, helping keep our fleet safe, reliable, and on the road. Responsibilities include diagnosing engines and electrical systems, completing scheduled maintenance, and supporting DOT readiness while maintaining a clean, organized work area.