THOMAS RALSTON
Pflugerville,TX
Summary
Results-driven Diesel Mechanic with extensive experience at Precision Fleet Management, excelling in vehicle diagnostics and electrical troubleshooting. Proven ability to enhance operational efficiency through effective problem-solving and preventive maintenance. Recognized for strong work ethic and adaptability, ensuring safety and performance in all repairs and inspections.
Overview
14
14
years of professional experience
Work History
Diesel Mechanic
Precision Fleet Management
Haslet, TX
04.2025 - Current
- Disassembled defective units to diagnose malfunctions and repair them accordingly.
- Replaced worn or damaged components such as spark plugs, air filters, and oil filters.
- Performed preventive maintenance services such as oil changes and lubrication.
- Examined brake systems for proper operation; replaced pads or shoes when needed.
- Tested electrical circuits for faults using diagnostic computers.
- Repaired fuel injection systems, turbochargers, brakes, and exhaust systems.
- Installed new parts such as radiators, injectors, hoses, belts, alternators, starters .
- Diagnosed mechanical problems and made necessary repairs.
- Performed preventative maintenance on diesel engines and equipment.
- Completed preventive maintenance on engines, transmissions, tires and other vehicle systems.
- Ran diagnostics on heating and cooling systems to trace faults and completed skilled repairs.
- Completed in-depth inspections of vehicle brakes, steering and other systems to check for safety and performance issues.
WHEELED VEHICLE MECHANIC
United States Army
Colorado Springs, United States
03.2021 - 06.2025
- Perform a supervisor role in an operational field and maintenance shop, sustainment level maintenance while conducting recovery operations on the following equipment: light/heavy wheeled vehicles, their associated trailers, and material handling equipment (MHE) during exercises and normal operational hours.
- Continue enhancing and uphold the Skill level 10 received from the Army by:
- Conduct periodic maintenance for wheeled vehicles and their associated trailers / MHE systems to include:
- O Usage of applicable references
- O Inspecting and services during on-the-fly scenario or routine check-ups
- O Repairing, replacement, adjusting, and testing vehicles/equipment
- O Internally perform same inspection and maintenance to each vehicle power plant/packs, compression ignition engines and engine fuel systems, air induction and exhaust systems and cooling systems.
- Vehicle chassis and powertrain components including:
- O Frame cross members, clutches assemblies, transmissions
- O Transfers, final drives, propeller shaft assemblies, brake systems
- O Steering systems, suspensions systems, fifth wheel assemblies
- O Wheeled vehicle crane, hoist and winch assemblies, and hydraulic systems.
- Automotive electrical systems including wiring harness, starting, and charging systems.
- Perform wheeled vehicle recovery operations
Diesel Technician
Ryder Truck Rental
Austin, TX
06.2023 - 04.2025
- Monitored emissions levels during testing procedures to ensure compliance with environmental regulations.
- Checked fan belts for wear or tension issues and replaced them if necessary.
- Installed turbochargers on diesel engines to increase power output without sacrificing fuel efficiency.
- Replaced worn out parts such as injectors, pumps, air filters, spark plugs and belts.
- Tested vehicle components to ensure proper functioning and identified potential malfunctions or defects.
- Diagnosed and repaired electrical problems in diesel engines using specialized diagnostic tools.
- Inspected vehicles for damage and performed repairs when necessary.
- Conducted regular inspections of vehicles to identify any potential safety risks before they become major problems.
- Diagnosed and performed accurate repair on brakes, engines, suspensions, drive trains and transmission clutches.
- Checked and replaced clamps, brackets, hoses and other system components.
- Removed malfunctioning parts and repaired components or installed new ones.
WHEELED VEHICLE MECHANIC
United States Army
Killeen, United States
08.2017 - 03.2021
- Operated a field level, sustainment level maintenance, and recovery operations on light/ heavy wheeled vehicles, associated trailers, and material handling equipment (MHE) within the first year.
- Uphold the record during the time frame station there for multiple garrison units and division units that came across Fort Hood.
- Deployed to Germany and Poland twice and kept up with operation status or more for multiple units.
- Perform level 10 & 20 skill levels.
WHEELED VEHICLE MECHANIC
U.S. Army Reserve
Killeen, United States
12.2014 - 08.2017
- Conduct field and sustainment level maintenance and recovery operations on light and heavy wheeled vehicles, their associated trailers and material handling equipment (MHE).
- Obtain Level 10 skills certification from United States Army.
- Conduct periodic maintenance for wheeled vehicles and their associated trailers / MHE systems to include:
- O Usage of applicable references
- O Inspecting and services during on-the-fly scenario or routine check-ups
- O Repairing, replacement, adjusting, and testing vehicles/equipment
- O Internally perform same inspection and maintenance to each vehicle power plant/packs, compression ignition engines and engine fuel systems, air induction and exhaust systems and cooling systems.
- Vehicle chassis and powertrain components including:
- O Frame cross members, clutches assemblies, transmissions
- O Transfers, final drives, propeller shaft assemblies, brake systems
- O Steering systems, suspensions systems, fifth wheel assemblies
- O Wheeled vehicle crane, hoist and winch assemblies, and hydraulic systems.
- Automotive electrical systems including wiring harness, starting, and charging systems.
CORRECTIONAL OFFICER
Texas Department of Criminal Justice
Abilene, United States
11.2013 - 08.2017
- Responsible for enforcing the rules and maintaining routines at the correctional facility.
- Conducted inspection of jail cells according to security protocols and safety codes, supervised inmates during meals/recreational time and diffused conflicts between inmates to assist preserve peace and order environment.
- Regular head counts of inmates within a section
- Monitor inmate behavior and report unusual activity to ensure safety and security
- Write regular reports of activities
- Escort inmates to job sites, medical facilities, or various locations needed in a timely but secure manner
- Assist other Correctional Officers with the management of inmates
- Conduct regular searches of inmate areas like cells, recreation rooms, and showers for unauthorized items
- Manage confrontational situations as they arise to maintain security
- Execute leadership skills among my peers and inmates to maintain order and control in day-to-day occurrences
- Sound judgment skills to make good decisions during high-stress situations
SALES REPRESENTATIVE
AutoZone
Eastland, United States
08.2012 - 11.2013
- Excel in customer service communications by assisting customers with a solution or a part to fix their vehicle honestly.
- Maintained store appearance and cleanliness.
- Replenished store stock and merchandise.
- Ensures assigned store tasks are completed in a timely manner on assigned shift
- Utilizes ZNET to help customers locate merchandise or find suitable alternatives
- Utilizes OBDII to read codes from customer's automobiles
- Ability to diagnose automobile problems and recommend solutions
- Provides trustworthy advice to customers regarding the best products that fit the customers' expectations
- Maintains a safe working environment including PPE (Personal Protective Equipment)
TIRE TECHNICIAN
Love's Travel Stop
Ranger, United States
09.2011 - 11.2013
- Routinely perform inspection/replaced worn or unrepairable tires and wheels to include mounting, inflating, replacement of tire pressure monitoring system sensors, and balancing.
- Simultaneously, operated roadside assistance for tires and fuel while maintaining the premises both: indoors and outdoors of the store assigned.
- Take ownership of the sale, removal, and replacement of tires up to, but not limited to, commercial vehicles
- Assist customers with roadside services
- Responsible for equipment repair and maintenance of the store facility including general housekeeping duties
- Ability to work a flexible schedule to include some nights, weekends, or holidays
- Ability to lift a minimum of 50 pounds, working in close quarters
- Always put the safety and satisfaction of your customers first, complying with company safety policies & procedures
Education
Army Basic Training -
01.2015
Advanced Individual Training -
01.2015
Correctional Officer Academy -
01.2013
GED -
01.2007
Skills
- Problem Solving
- Communication Skills
- Interpersonal Skills
- Adaptability
- Machine Learning
- Forklift Operation
- Project Leadership
- Diagnostics
- Active Learning
- Training & Development
- Attention to Detail
- Strong Work Ethic
- Electrical troubleshooting
- Engine repair
- Vehicle diagnostics
- Preventive maintenance
Professional Summary
Secret (active), 10 years in a leadership position: 5 years in Corrections and 5 years in the Army, +5 years diagnosing and repairing diesel vehicles in fast-paced environments, 5 years sponsoring and training new mechanics, 2 years running a 5k forklift, 4 years recovering/towing vehicles in a 24/7 operations environment
Professional Development
- Recovery Operations School, 2018
- Structured Self Development Course, 2018
- Basic Leadership Course, 2020
- Field Sanitation Course, 2020
Timeline
Diesel Mechanic
Precision Fleet Management
04.2025 - Current
Diesel Technician
Ryder Truck Rental
06.2023 - 04.2025
WHEELED VEHICLE MECHANIC
United States Army
03.2021 - 06.2025
WHEELED VEHICLE MECHANIC
United States Army
08.2017 - 03.2021
WHEELED VEHICLE MECHANIC
U.S. Army Reserve
12.2014 - 08.2017
CORRECTIONAL OFFICER
Texas Department of Criminal Justice
11.2013 - 08.2017
SALES REPRESENTATIVE
AutoZone
08.2012 - 11.2013
TIRE TECHNICIAN
Love's Travel Stop
09.2011 - 11.2013
Army Basic Training -
Advanced Individual Training -
Correctional Officer Academy -
GED -
Similar Profiles
Benson Themba JacobBenson Themba Jacob
General Worker/ Greening and Cleaning at Fleet Management Head Quarters (Facilities Management)General Worker/ Greening and Cleaning at Fleet Management Head Quarters (Facilities Management)
Alan L. UtzmanAlan L. Utzman
Mobile Technician at National Fleet ManagementMobile Technician at National Fleet Management
David GuthaimDavid Guthaim
Sr. Account Executive /Fleet Management Consultant at Enterprise Fleet ManagementSr. Account Executive /Fleet Management Consultant at Enterprise Fleet Management
Ruth BondsRuth Bonds
Sales Agent #1976 at Blue Jay Wireless AgentSales Agent #1976 at Blue Jay Wireless Agent
ELIJAH GOFFELIJAH GOFF
Assistant Store Manager at Extra Space StorageAssistant Store Manager at Extra Space Storage