Job Description

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A transportation logistics leader in Billerica, MA, is hiring a Diesel Mechanic to service class 8 tractors, trailers, and reefer units. Ideal candidates are skilled in diagnostics, safety‑focused, and eager to grow. Apply now to join a high‑integrity, quality‑driven team!

Duties & Responsibilities:

• Perform preventive maintenance (PMs), such as oil changes, filter replacements, tire rotations, and air system services on class 8 tractors and trailers.
• Diagnose, troubleshoot, and repair diesel engines, hydraulics, brakes, transmissions, steering, pneumatic systems, and electrical systems, including communication and tablet interfaces.
• Maintain and service temperature control units (e.g., ThermoKing, Carrier), ensuring validated cold‑chain integrity.
• Conduct safety inspections, mount/dismount tires, and perform federal annual inspection compliance checks.
• Weld, fabricate, or repair trailer components as needed.
• Support trailer and tractor coupling/decoupling and maneuvering within the terminal.
• Enter, update, and manage work orders in the Fleet Management System; order parts and track inventory.
• Keep the workspace clean, organized, and compliant with company and regulatory safety standards.

Requirements:

• Required:
  • High school diploma or GED.
  • Valid driver’s license (CDL strongly preferred).
  • Solid understanding of diesel engines, hydraulic systems, pneumatic systems, braking systems, and electrical diagnostics.
  • Ability to service ThermoKing and Carrier units or willingness to learn.
  • Comfortable with tablet-based diagnostics and fleet communication tools.
  • Ability to perform physical tasks: lift/push/pull 70+ pounds, climb equipment, and work in varied positions (bend, kneel, arms raised).
  • Excellent reading, writing, speaking, and listening skills in English.
  • Ability to obtain required security clearance.
• Preferred:
  • 5+ years of hands-on experience as a diesel mechanic.
  • 5+ years working with hydraulics, pneumatics, electrical systems, and diagnostics.
  • Working knowledge of federal inspection criteria.
  • Familiarity with ThermoKing and Carrier units.
  • Experience using tablets and mobile fleet applications.
  • Background in parts ordering or inventory control.
  • CDL license.

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