Job Description: Key Responsibilities: With guidance, perform basic preventive maintenance tasks to include, but not limited to, tire replacements/flat repairs, brake adjustments/services/replacements, electrical diagnostics, basic structural repairs on trailer chassis, sub-frames, etc. Job Summary: Under close supervision, this position is responsible for performing basic services of our tractors, trailers, chassis, containers, and power equipment at a customer site or rail yard using a mobile service truck.