John Grisham
Lexington,TN
Summary
Dedicated professional with extensive experience in diesel engine maintenance and advanced diagnostics. Committed to optimizing repair processes and ensuring compliance with safety standards to drive team success and customer satisfaction.
Overview
19
19
years of professional experience
Work History
Diesel Technician/Assistant Shop Manager
AutoZone
Lexington, TN
01.2016 - 04.2026
- Directed diagnostic and repair processes for diesel engines, ensuring compliance with stringent service quality standards.
- Coordinated emergency breakdown operations, minimizing downtime and enhancing vehicle performance in critical situations.
- Mentored junior technicians in skill development, enhancing team collaboration and innovation.
- Participated in TDOT Safety Week Sponsorship annually.
- Conducted routine maintenance on heavy-duty vehicles, enhancing reliability and extending service life.
- Employed diagnostic tools to troubleshoot electrical systems, enhancing fault detection accuracy.
- Optimized workflow processes to enhance efficiency in repair turnaround times.
- Diagnosed root causes of system issues through comprehensive troubleshooting and problem tracing.
- Performed comprehensive vehicle lubrication and DOT safety inspections to maintain safety standards and enhance vehicle performance.
- Evaluated equipment condition, focusing on damage, wear, battery life, and fluid levels.
- Supported fleet operations with dependable on-site troubleshooting, diagnosis, and repair services for diesel-powered vehicles.
- Delivered reliable repair services by consistently adhering to manufacturer specifications during all maintenance activities.
- Promoted safety standards by keeping shop areas clean and free from unnecessary items.
- Refined diagnostic skills across various diesel engine models, ensuring accurate identification of underlying issues for targeted repairs.
- Inspected fleet vehicles for repair and maintenance needs.
- Maintained up-to-date knowledge of industry trends and advancements through regular participation in ongoing professional development courses.
- Completed warranty services and submitted required paperwork.
- Collaborated with team members on complex repair tasks, resulting in improved workflow efficiency.
- Replaced parts such as belts, hoses and motors on different systems.
- Applied documented procedures and policies to complete complex repairs and identify and prepare required parts and tools.
- Minimized potential damage from electrical system malfunctions through diligent inspection, identification, and resolution of wiring issues.
- Developed expertise in electronic control systems, enabling accurate troubleshooting of advanced diesel engine issues.
- Expedited repair turnaround times with the ability to analyze complex mechanical problems and develop appropriate solutions efficiently.
- Ensured compliance with emission standards through the meticulous inspection and servicing of exhaust after-treatment systems.
- Assessed engines to inform preventive maintenance work.
- Obtained dozen of Training Certifications to increase job knowledge and professionalism, including Palfinger Liftgates & STEMCO Wheel End Installation.
- Volunteered to stay On Call for roadside emergency repairs for approximately 6 years of my career with AutoZone.
Truck Washer/Diesel/Trailer Mechaninc
Shipper's Choice
Reagan, TN
08.2007 - 09.2012
- Diagnosed and resolved mechanical issues on trailers to uphold safety standards during transportation.
- Executed high-quality trailer repairs to enhance customer satisfaction and loyalty.
- Ensured accuracy in record-keeping for all completed work, enhancing transparency for management and clients.
- Performed preventative maintenance on trailers to ensure optimal performance and extend lifespan.
- Enhanced trailer safety by executing comprehensive inspections and pinpointing required repairs.
- Hired into the Wash Bay Tech position and was given OJT in order to be promoted to truck & trailer tech.
Education
High School Diploma -
Hardin County High School
Savannah05-2007
Skills
- Preventive Maintenance
- Fuel system repair
- Workplace safety
- Hydraulic systems proficiency
- Cooling system service
- Exhaust system repair
- Battery maintenance
- Troubleshooting skills
- Equipment inspection
- Parts replacement
- Drive shaft maintenance
- Inspection procedures
- Steering and suspension
- Team collaboration
- Welding and fabrication
- Electronic control modules
- Overhauling engines
- Diesel engine expertise
- Job tracking
- Diesel emissions control
- Advanced diagnostics
- Calibration
- Drivability testing
- Transmission troubleshooting
Timeline
Diesel Technician/Assistant Shop Manager
AutoZone
01.2016 - 04.2026
Truck Washer/Diesel/Trailer Mechaninc
Shipper's Choice
08.2007 - 09.2012
High School Diploma -
Hardin County High School