Master Service Technician | Mossy Head, FL

Empire Truck Sales, LLC; DeFuniak Springs (FL); On-site; USD 85,000 - 135,000; Full time

Benefits offered by this job

Medical, dental, vision, and life保险

401(k) with company match

Paid holidays and vacation time

Short- and long-term disability

Tool and laptop loan program

Job summary

Empire Truck Sales, LLC is seeking a Master Diesel Technician to serve as the lead diagnostic resource for complex repairs in a high-volume shop. The role includes engine overhauls, transmission work, and advanced electrical troubleshooting, with direct collaboration with DTNA technical support and field engineers.

Ideal candidates have 6+ years of heavy-duty experience, ASE Master/Mid-Heavy certification or OEM equivalents, and the ability to mentor junior technicians.

Qualifications

• Minimum of 6 years of heavy-duty truck technician experience with expert-level diagnostic skills.
• ASE Master Medium/Heavy Truck Technician certification or equivalent OEM certification required.
• DTNA, Detroit, Cummins, or Allison certifications strongly preferred; Western Star experience a plus.
• Valid driver's license with clean MVR; Class A CDL is a plus but not required.

Responsibilities

• Serve as the shop’s lead diagnostic resource for complex, intermittent repairs.
• Perform major engine overhauls, DT12 and Allison transmission repairs, and advanced electrical/multiplex troubleshooting.
• Handle ECU programming, parameter changes, and software updates.
• Train, mentor, and quality-check the work of junior technicians.
• Collaborate with service advisors and foreman on repair estimates and customer communication.

Skills

Diesel diagnostics

Heavy-duty trucks

ECU programming

DTNA certifications

OEM certifications

Tool proficiency

Customer communication

Tools

Diagnostic laptop

Comprehensive tool set

Job description

Build Your Career with a Leader in the Heavy Truck IndustryEmpire 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 communicationMinimum of 6 years of heavy-duty truck technician experience with demonstrated expert-level diagnostic skills requiredASE Master Medium/Heavy Truck Technician certification or equivalent level of OEM certification requiredDTNA, Detroit, Cummins, or Allison certifications strongly preferred; Western Star experience a plusDemonstrated productivity, repair accuracy, and low comeback ratesAbility to explain complex technical issues to technicians, service advisors, and customersComplete professional tool set and diagnostic laptop required; laptop loan program availableValid driver’s license and clean Motor Vehicle Record (MVR) requiredClass A CDL is a plus, but not required; willingness to obtain one preferredAbility to work assigned shifts and overtime as neededBenefits and OpportunitiesTop-tier earning potential based on experience, productivity, and applicable pay structureOngoing advanced DTNA and OEM certification trainingTool and laptop loan programsLeadership opportunities, including shop foreman and trainer rolesMedical, dental, vision, and life insuranceCompany-paid short- and long-term disability401(k) with company matchPaid holidays and vacation timeState-of-the-art facilitiesBoot and safety glasses allowanceStrong safety cultureApplyIf 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.