Master Service Technician | Hattiesburg, MS

Job Details: Level: Experienced, Job Location: HATTIESBURG

• Empire Truck Sales, LLC
• Hattiesburg, MS, Position Type: Full Time, Salary Range: Undisclosed, Travel Percentage: Negligible, Job Shift: Days, Job Category: Skilled Labor
• Trades, Build Your Career with a Leader in the Heavy Truck Industry Empire Truck Sales is one of the largest Freightliner and Western Star heavy truck dealerships in the Southeast. Serve as an expert technical resource for the most challenging heavy truck diagnostics and repairs. The Master Technician role combines advanced diesel repair expertise, manufacturer-level technical problem-solving, and guidance for other technicians. What You’ll Do
• Serve as the shop’s lead diagnostic resource for complex, intermittent, and repeat repairs
• Perform major engine overhauls, Detroit DT12 and Allison transmission repairs, and advanced electrical and multiplex troubleshooting
• Handle ECU programming, parameter changes, and software updates
• Work directly with DTNA technical support and field service engineers on difficult cases
• Train, mentor, and quality-check the work of junior technicians
• Partner with service advisors and the shop foreman on repair estimates and customer communication Qualifications: Minimum of 6 years of heavy-duty truck technician experience with demonstrated expert-level diagnostic skills required ASE Master Medium/Heavy Truck Technician certification or equivalent level of OEM certification required DTNA, Detroit, Cummins, or Allison certifications strongly preferred; Western Star experience a plus Demonstrated productivity, repair accuracy, and low comeback rates Ability to explain complex technical issues to technicians, service advisors, and customers Complete professional tool set and diagnostic laptop required; laptop loan program available 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 Benefits and Opportunities Top-tier earning potential based on experience, productivity, and applicable pay structure Ongoing advanced DTNA and OEM certification training Tool and laptop loan programs Leadership opportunities, including shop foreman and trainer roles 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 If you have advanced certifications, expert diagnostic skills, and experience supporting other technicians, we invite you to apply for our Master Diesel Technician position. 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.