Heavy-Duty Trailer Systems Technician

100Hires, Inc.; Saint Paul (MN); On-site; USD 34,000 - 52,000; Full time

Job summary

100Hires, Inc. in Saint Paul, MN is seeking a skilled semi-trailer technician to perform scheduled maintenance and corrective repairs on brakes, suspension, electrical systems, and related components.

You will diagnose issues with hands-on troubleshooting, conduct safety inspections, and document repairs with precision while collaborating with teammates to improve workflows and stay current with industry best practices.

Qualifications

• High school diploma or equivalent; automotive/diesel training a plus.

Responsibilities

• Execute scheduled service and corrective repairs on semi trailers—brakes, suspension, electrical, and related systems.
• Pinpoint mechanical issues using diagnostics and hands-on troubleshooting to restore peak performance.
• Conduct safety and compliance inspections, recommending repairs or part replacements when needed.
• Document all maintenance and repair activities with accuracy and clarity.
• Partner with fellow technicians to refine processes and elevate the quality of service.
• Keep current with industry trends and best practices in semi trailer care.

Skills

Diagnostics & troubleshooting

Mechanical knowledge

Electrical systems

Hydraulic systems

Reading diagrams & manuals

Team communication

Safety & compliance

Education

High school diploma

Automotive/diesel tech training

Tools

Diagnostic tools

Electrical testing equipment

Job description

A day in the lifeIn Saint Paul, MN, your morning starts with a safety check and a quick huddle with teammates. You review the service queue, pull the first trailer into the bay, and dive into diagnostics—maybe it's a brake imbalance, a wiring fault in the lighting harness, or a suspension component that needs attention. Midday brings a compliance inspection, accurate documentation of the work you completed, and a call-out to a teammate to collaborate on a tricky hydraulic issue. You wrap up by updating maintenance records, reviewing parts needs, and sharing ideas to improve the workflow for tomorrow.What you'll take onExecute scheduled service and corrective repairs on semi trailers—brakes, suspension, electrical, and related systems.Pinpoint mechanical issues using diagnostics and hands-on troubleshooting to restore peak performance.Conduct safety and compliance inspections, recommending repairs or part replacements when needed.Document all maintenance and repair activities with accuracy and clarity.Partner with fellow technicians to refine processes and elevate the quality of service.Keep current with industry trends and best practices in semi trailer care.What makes you a matchHigh school diploma or equivalent; formal training in automotive or diesel technology is a plus.Proven experience maintaining and repairing semi trailers or comparable equipment.Solid understanding of mechanical, electrical, and hydraulic systems.Confidence reading and applying technical manuals, diagrams, and schematics.Strong diagnostic mindset with sharp attention to detail.Clear communicator who thrives in a team-focused shop.Valid driver’s license with a clean driving record.Where you'll workThis role is based in Saint Paul, MN, within a supportive, friendly environment that values craftsmanship, safety, and continuous learning.