Medium & Heavy Duty Diesel Technician

Acts Fleet Maintenance•Nashville, TN

1d•$25 - $50•Onsite

About The Position

ACTS Fleet is hiring an experienced medium- and heavy-duty diesel technician to service commercial trucks and fleet vehicles in the shop and in the field. The role focuses on vehicle uptime, safety, accurate diagnostics, and completing repairs correctly. The workplace emphasizes structured processes, consistent standards, clear communication with leadership, trust, and autonomy without micromanagement. Technicians perform preventative maintenance and repairs, diagnose diesel engines and late-model trucks, and work on mechanical, electrical, and emissions systems. Mobile service work involves diagnosing and repairing equipment in the field independently while representing ACTS Fleet professionally. The company describes a modern shop with updated equipment and supported field operations, opportunities for OEM training and technical education, and advancement paths through its Technician Growth Program.

Requirements

Strong hands-on experience as a diesel technician.
Advanced diagnostic ability.
North Carolina State Inspection Certification.
Familiarity with OEM and aftermarket scan tools.
Ability to work independently and follow structured processes.
Clear communication and accountability.

Nice To Haves

CDL; preferred but not required.

Responsibilities

Perform preventative maintenance, including DOT inspections and servicing fluids, filters, and brakes.
Diagnose and repair diesel engines.
Perform advanced diagnostics on late-model trucks.
Repair brake systems, suspension, steering, driveline, and transmissions.
Work on electrical systems and emissions components.
Read fault codes and diagnostic data accurately.
Verify repairs through inspections and test drives.
Diagnose and repair equipment directly in the field as part of mobile service work.
Work independently and take ownership of shop and field work.
Represent ACTS Fleet professionally and reliably.