Service Technician III

Build Your Career with a Leader in the Heavy Truck Industry Empire Truck Sales is one of the Southeast’s largest Freightliner and Western Star heavy truck dealerships.

We’re seeking an experienced Service Technician III to diagnose and repair complex diesel truck systems, including engines, aftertreatment, electrical, and driveline components. This advanced technician role requires strong troubleshooting skills, independent judgment, and the ability to perform complex repairs with minimal supervision.

What You’ll Do Diagnose and repair complex engine performance, aftertreatment (DPF, SCR/DEF, EGR), and electrical system issues

Troubleshoot multiplexed electrical systems on Freightliner and Western Star models

Perform in-frame engine repairs, transmission and clutch replacements, and driveline work Resolve intermittent and repeat problems using Diagnostic Link, INSITE, and OEM service information

Complete warranty repairs to DTNA standards with detailed, accurate repair stories

Share technical knowledge by guiding Tech I and Tech II technicians on the shop floor

Minimum 4 years of heavy-duty truck diagnostic and repair experience required; dealership or large-fleet experience is a plus Demonstrated ability to diagnose aftertreatment, engine performance, and electrical faults independently

Proficiency with Detroit Diagnostic Link, Cummins INSITE, or comparable OEM diagnostic software

Ability to interpret electrical schematics and use a multimeter to trace circuits

Experience with advanced engine, transmission, clutch, and driveline repairs

Multiple ASE Medium/Heavy Truck certifications and/or DTNA certifications preferred

Comprehensive professional tool set suitable for advanced diesel repairs required

Valid driver’s license and clean Motor Vehicle Record (MVR) required

Class A CDL is a plus, but not required; willingness to obtain one preferred

Ability to work assigned shifts and overtime as needed

Willingness to travel

Benefits and Opportunities Earning potential based on experience, efficiency, and applicable pay structure

Advanced DTNA, Detroit, and OEM training

Tool and laptop loan programs

Opportunities to progress toward Master Technician and shop leadership

Medical, dental, vision, and life insurance

Company-paid short- and long-term disability
401(k) with company match

Paid holidays and vacation time State-of-the-art facilities

Boot and safety glasses allowance

Strong safety culture

Apply

Bring your advanced diagnostic and repair experience to a senior technician position where complex mechanical work is central to the role.

Empire Truck Sales promotes a safe, drug-free workplace. Pre-employment background checks and drug screening are required.

Empire Truck Sales, LLC is an equal opportunity employer.