Truck & Trailer Mechanic

Al Warren Oil Company has been delivering fuel, lubricants, and transportation solutions for over 75 years. As a family-owned company with a strong reputation across the Midwest, we take pride in operating safe, dependable equipment and supporting the hardworking people behind it.

We are currently seeking an experienced Truck & Trailer Mechanic to join our Chicago-area maintenance team. This position plays a critical role in keeping our fleet of tanker trucks, trailers, and equipment operating safely and efficiently.

If you take pride in your work, enjoy problem-solving, and want to work for a company that values its technicians, we want to hear from you.

The Truck & Trailer Mechanic will perform preventative maintenance, inspections, diagnostics, and repairs on company tractors, tanker trailers, and related equipment. This role requires attention to detail, strong troubleshooting skills, and a commitment to safety and compliance.

• →Perform preventative maintenance and repairs on diesel tractors and tanker trailers
• →Diagnose and repair mechanical, electrical, hydraulic, pneumatic, and air brake systems
• →Conduct DOT inspections and ensure compliance with safety standards
• →Repair suspension, lighting, ABS systems, tires, wheel seals, and other components
• →Troubleshoot engine performance and drivability concerns
• →Complete work orders and maintenance documentation accurately
• →Maintain a clean, organized, and safe work environment
• →Work collaboratively with drivers, operations, and other shop personnel
• →Respond to breakdowns or emergency repairs when needed

• Previous experience as a truck and trailer mechanic preferred
• Experience working on diesel engines and tanker trailers strongly preferred
• Knowledge of DOT inspection requirements and FMCSA regulations
• Ability to diagnose mechanical and electrical issues efficiently
• Welding and fabrication experience is a plus
• Must have own basic mechanic tools
• Valid driver’s license required; CDL is a plus
• Strong work ethic, reliability, and attention to detail
• Ability to lift heavy components and work in a shop environment