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Posted August 23, 2026

Commercial Semi‑Trailer Service Mechanic

DTR Services
Saint Paul, MN, US Full Time
25USD - 40USD per hour

Job Description

Job Description
Help keep freight moving safely

Our Saint Paul, MN shop is looking for a Commercial Semi‑Trailer Service Mechanic who takes pride in quality work and safe equipment. If you love solving mechanical puzzles and improving reliability, you’ll feel at home here.

Your impact
  • Keep trailers roadworthy through expert maintenance and precise repairs.
  • Protect drivers and loads by identifying issues early and addressing them thoroughly.
  • Uphold compliance through meticulous inspections and accurate recordkeeping.
  • Strengthen the team by sharing knowledge and refining shop processes.
Core work you’ll do
  • Service and repair trailer brake, suspension, and electrical systems.
  • Diagnose faults using observation, testing, and schematics to guide corrective action.
  • Perform safety and compliance inspections; recommend part replacements or repairs.
  • Record all work performed and parts used in a clear, organized manner.
  • Collaborate with peers to elevate service standards and efficiency.
  • Stay informed on new techniques and best practices for semi trailer maintenance.
What you bring
  • High school diploma or equivalent; automotive/diesel technical coursework is beneficial.
  • Hands-on experience working on semi trailers or similar heavy equipment.
  • Proficiency with mechanical, electrical, and hydraulic systems.
  • Ability to interpret technical manuals, wiring diagrams, and schematics.
  • Detail-driven problem solver with strong follow-through.
  • Team-focused communicator.
  • Valid driver’s license and a clean driving record.
Why you’ll like it here

Join a friendly, supportive crew that values safety, craftsmanship, and continuous improvement—all from our conveniently located Saint Paul, MN facility.

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