Semi Trailer Mechanic

Southeastern Paperboard, Inc.; Piedmont (CA); On-site; USD 52,000 - 79,000; Full time

Job summary

Southeastern Paperboard, Inc. is seeking a hands-on trailer technician in California to maintain and repair a private fleet of semi-trailers and coordinate third-party service as needed.

This role requires experience with trailer systems, the ability to work independently, and problem-solving skills. A Class A CDL is preferred, and candidates must meet DOT inspection requirements.

Qualifications

• High School Diploma or GED required.
• Valid drivers license required; Class A CDL preferred.
• Prior hands-on semi-trailer repair experience required.
• Must have own tools and be willing to purchase additional tools.
• DOT compliance knowledge and ability to perform DOT inspections.

Responsibilities

• Perform repairs on semi-trailers including floors, doors, panels, roofs, suspension and frame components.
• Service air systems, air brakes, and landing gear.
• Repair trailer lighting and electrical systems.
• Perform interior and exterior trailer repairs.
• Conduct regular DOT inspections and preventative maintenance.
• Diagnose mechanical issues accurately and implement solutions.
• Maintain accurate records of repairs, maintenance schedules, and parts inventory.
• Move equipment in and out of the shop as needed.
• Collaborate with team to diagnose problems and plan repair schedules.
• Other duties as assigned.

Skills

Valid drivers license

Detail-oriented

Diagnostic skills

Team collaboration

DOT compliance knowledge

Education

High School Diploma or GED

Job description

In this role, the successful candidate will be responsible for the maintenance and repair of semi-trailers for a small, independent private fleet, along with some third-party service coordination. This is a hands‑on role requiring experience specifically with trailer systems. Must be a self-starter with the ability to work independently and problem‑solve effectively.

Responsibilities

• Perform repairs on semi-trailers, including floors, doors, panels, roofs, suspension, and frame components.
• Service and repair air systems, air brakes, and landing gear.
• Repair trailer lighting and electrical systems.
• Perform trailer interior and exterior repairs.
• Conduct regular DOT inspections and preventative maintenance.
• Diagnose mechanical issues accurately and implement effective solutions.
• Maintain accurate records of repairs, maintenance schedules, and parts inventory.
• Maintain parts inventory and ensure cleanliness and organization in the shop.
• Collaborate with team to diagnose problems and plan repair schedules.
• Move equipment in and out of the shop as needed.
• Other duties and responsibilities may be assigned.

Qualifications

• Valid Driver's License REQUIRED.
• Class A CDL is preferred. Company may assist in obtaining within 180 days of hire if desired.
• High School Diploma or GED REQUIRED
• Prior hands‑on experience repairing semi‑trailers REQUIRED.
• Must have own tools and be willing to purchase tools required for the job.
• Ability to diagnose issues accurately and implement effective solutions.
• Strong attention to detail and commitment to quality work.
• Familiarity with DOT compliance requirements.
• Must meet qualifications to perform DOT annual trailer inspections and brake inspections per 49 CFR 396 Appendix G and 49 CFR 396.25, or be willing to complete necessary training to do so.
• Welding experience is a plus.
• Diesel engine knowledge is a bonus, but not required for this role.

EOE M/F/D/V