Leonard McCormick
Dallas ISD
TYLER,TX
36
years of professional experience
Experienced Fleet Maintenance Technician skilled in brake system repair, electrical troubleshooting, and vehicle inspection. Known for fast diagnostics, reliable road calls, and restoring fleet readiness on trucks, buses, trailers, and reefer units.
Work History
Fleet Maintenance Technician
8 Months- Repaired mechanical and electrical components to restore fleet readiness.
- Diagnosed faults using hand tools, power tools, and diagnostic equipment.
- Inspected school buses and district vehicles for mechanical issues and safety compliance.
- Maintained fleet readiness on Ford medium duty F750 trucks, lift gates and reefer units.
- Perform road calls to remote locations.
Mobile Fleet Mechanic
1 Year 5 Months- Performed preventive maintenance on brakes, tires, suspension, and electrical systems to support fleet readiness.
- Completed roadside repairs for breakdowns, restoring trucks to service quickly and safely.
- Diagnosed tractor and trailer mechanical issues using hand tools, diagnostic equipment, and inspection checklists.
- Inspected vehicles for DOT compliance and corrected defects before dispatch.
- Stocked truck with all necessary parts and supplies.
- Maintain all tools and equipment.
General Manager
1 Year 11 Months- Oversaw staff scheduling, coaching, and performance management across dealership departments.
- Coordinated customer escalations, resolving delivery, service, and billing issues promptly.
- Optimized inventory control, ensuring accurate parts availability and reduced stock discrepancies.
- Directed daily truck depot operations, aligning sales, service, and inventory workflows.
- Responsible for all mobile diagnostics.
- Maintained all shop tools and equipment and kept location in compliance with local and state regulations.
Terminal Manager
6 Years 5 Months- Directed terminal operations.
- Managed safety compliance, enforcing DOT regulations, company policies, and incident reporting procedures.
- Supervised drivers and support staff, service expectations, and performance standards.
- I was also the lead technician performing all truck and trailer service related issues and coordinating with outside vendors for more complex and time consuming repairs.
Package Car Mechanic
3 Years 7 Months- Performed preventive maintenance inspections on package cars to support safe fleet operations.
- Diagnosed engine, brake, suspension, and electrical issues using hand tools and diagnostic equipment.
- Repaired worn components, restoring vehicles to road-ready condition and reducing service delays.
- Completed DOT safety checks and documented maintenance work for compliance and accurate records.
Mobile Trailer Technician
6 Years 2 Months- Diagnosed electrical, brake, and suspension issues using hand and power tools
- Repaired floors, doors, lights, wiring, and other trailer components
- Performed preventive maintenance to reduce breakdowns and service delays
- Inspected trailers for structural damage, wear, and safety compliance
Mobile Truck and Trailer Technician
5 Years 1 Month- Performed preventative maintenance on dry vans, reefers, and flatbeds to support fleet reliability.
- Repaired trailer bodies, floors, landing gear, and couplers to restore safe operating condition.
- Diagnosed electrical, air brake, and door system failures using hand and power tools.
- Inspected trailers for structural, brake, lighting, and suspension defects before dispatch.
- Performed all mobile repairs for our area and coordinated any follow up repairs needed.
Third Shift Lead Technician
6 Years 3 Months- Supervised team activities, assigning tasks and resolving issues to maintain consistent overnight operations.
- Coordinated third-shift workflow to keep service bays organized and production moving efficiently.
- Trained new team members on safety procedures, equipment handling, and shop standards.
- Inspected completed work for accuracy, quality, and compliance with repair expectations.
Light Wheel Mechanic
3 Years 2 Months- Repaired and replaced tires, tubes, valves, and wheel assemblies.
- Balanced wheel components to maintain safe vehicle performance.
- Diagnosed leaks, alignment issues, and bearing defects during maintenance checks.
- Inspected wheels, tires, and hubs for wear, damage, and serviceability.
Education
Associate of Science - Diesel
Skills
Brake system maintenance
Electrical systems troubleshooting
Vehicle inspection
Fleet repair techniques
Troubleshooting skills
Diagnostic testing
Preventive maintenance
Problem solving
Welding and fabrication
Troubleshooting
Tools and equipment maintenance
Problem-solving abilities
Timeline
Fleet Maintenance Technician
Dallas ISD
02.2026 - CurrentRead More
Mobile Fleet Mechanic
Werner Enterprises
06.2024 - 11.2025Read More
General Manager
Truck Depot
07.2022 - 06.2024Read More
Terminal Manager
Southeast Carriers
02.2016 - 07.2022Read More
Package Car Mechanic
UPS
07.2012 - 02.2016Read More
Mobile Trailer Technician
Pro Stop
05.2006 - 07.2012Read More
Mobile Truck and Trailer Technician
Swift Transportation
04.2001 - 05.2006Read More
Third Shift Lead Technician
Rush Peterbuilt
01.1995 - 04.2001Read More
Light Wheel Mechanic
Army
01.1991 - 03.1994Read More
Wyoming Technical Institute
Associate of Science from Diesel
Read More