Service Technician III (DTNA) | St. Rose, LA

Job Details: Level: Experienced, Job Location: ST ROSE - Empire Truck Sales, LLC - St. Rose , LA, 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 IndustryEmpire Truck Sales is one of the Southeast's largest Freightliner and Western Star heavy truck dealerships.Handle demanding diesel truck repairs that require independent diagnosis and advanced technical judgment. This senior technician role focuses on complex engine performance, aftertreatment, electrical, and driveline issues, 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 DiagnosticLink, 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 floorQualifications: 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 DiagnosticLink, 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 travelBenefits 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 cultureApplyBring 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.