As a Diesel Truck/Trailer Mechanic at Walmart Supply Chain, you will play a critical role in maintaining, repairing, and ensuring the safety and efficiency of our fleet—including trailers, tractors, yard trucks, and service vehicles. You'll use modern diagnostic tools and technology to complete preventative maintenance and corrective repairs, ensuring compliance with Walmart standards and DOT regulations. Your day-to-day will include creating and processing work orders, diagnosing issues, completing repairs, handling warrantable parts, and promoting a safe, clean work environment.