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

Location: Salem, NH (shop & yard)

About the role:

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.

What you’ll do:

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).

What you’ll bring:

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.

Schedule:

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

Pay & benefits:

Competitive hourly pay.
Paid time off and holidays

Tools & equipment:

Specialty tools, heavy equipment, and PPE provided.

How to apply:
If you need more information please call +1-978-886-9406. Apply now and join a winning team.

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Apply for 53ft Trailer Mechanic at 3 Lions Logistics