Job Description

A long-standing, full-service fleet service operation is hiring a Mobile Diesel Technician (Road Service) in Chester, PA, to diagnose heavy-duty trucks and fleet equipment on-site. Ideal candidates have strong diesel diagnostics and DOT inspection experience. Apply now to step into a stable, long-term road service role with consistent, hands-on diesel work.

Duties & Responsibilities

• Diagnose, troubleshoot, and repair heavy-duty trucks and fleet equipment, including air brakes, electrical, mechanical, and related systems.
• Perform on-site preventative maintenance and repairs such as oil changes, brake inspections, component replacement, tire service, and drivability issues.
• Conduct DOT/FHWA and required inspections, ensuring compliance and accurate documentation.
• Respond to roadside service calls efficiently and communicate repair status with drivers and fleet contacts.
• Complete repair orders, PM records, inspection forms, and log sheets accurately.
• Maintain the service truck, including cleanliness, inspections, basic upkeep, and reporting needed repairs.
• Follow company policies, safety procedures, and motor vehicle laws while supporting team and operational goals.

Requirements

• Required
• • High school diploma or equivalent.
  • Experience in diagnosing and repairing diesel-powered equipment in a mobile or shop environment.
  • Strong working knowledge of air brake systems, electrical diagnostics, and mechanical repairs.
  • Ability to work independently, manage multiple tasks, and perform repairs in the field.
  • Ability to read and interpret technical diagrams and manufacturer specifications.
  • Professional communication skills with a customer-focused mindset.
  • Valid driver’s license, valid medical card, and acceptable driving record.
  • Ability to pass background check, drug screening, and MVR review.
  • Physically capable of heavy work, including lifting up to 100 lbs occasionally and working outdoors in all weather.

• Preferred
• • Prior road service or mobile diesel technician experience.
  • Experience performing DOT inspections and fleet compliance documentation.

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