Trailer Mechanic

Trailer Mechanic (53′ Dry Van & Reefer) — Full-Time

Location: Salem, NH (shop & yard)

3 Lions Logistics is hiring a hands‑on Trailer Mechanic to keep our 53′ fleet safe, compliant, and rolling. You’ll handle the day‑to‑day repairs and preventive maintenance on dry vans and reefers (trailer side only), from brake jobs and lighting to body patches and tires.

• Perform PMs and FHWA/DOT inspections on 53′ trailers; document all work.
• Brake system service: shoes/drums/rotors, chambers, slack adjusters, air lines, ABS sensors.
• Electrical & lighting: diagnose shorts/opens, repair 7‑way wiring, replace LEDs/harnesses.
• Tires & wheels: repair/replace, mount/dismount, balance, torque, replace wheel seals & bearings.
• Body & frame: patch/repair aluminum/FRP sidewalls, roof, floor, crossmembers, ICC bumper, landing gear, doors & hinges.
• Air system: locate and fix leaks, valves, gladhands, air tanks, governors.
• Coordinate any reefer‑unit repairs with vendors; perform basic checks (belts, mounts, leaks).
• Maintain parts inventory, keep the shop organized, and follow safety procedures.
• Occasionally support roadside or on‑site fixes with a service truck (as needed).

• 5+ years as a trailer technician/mechanic (fleet, dealer, or mobile) — or strong diesel/HD truck experience with trailer focus.
• Solid working knowledge of air brakes, 12V trailer wiring, and DOT requirements.
• Ability to weld/cut (MIG preferred) for patch panels/brackets (nice to have).
• Comfortable using diagnostic tools (multimeter, scan for ABS), torque wrenches, tire machines, presses.
• Valid driver’s license; clean, safety‑first work habits; dependable and organized.
• Able to lift 75 lbs+, work on your feet, and handle New England weather when repairs are yard‑side.

• Full‑time, typically Monday–Friday day shift, with occasional after‑hours/OT for breakdowns or turnarounds.

• Competitive hourly pay.
• Paid time off and holidays.

• Specialty tools, heavy equipment, and PPE provided.

If you need more information please call . Apply now and join a winning team.