David Hellerich
Conway,AR
Summary
Accomplished Diesel Mechanic with extensive experience at Union Pacific Railroad Co, specializing in diesel engine repair and preventive maintenance. Proven ability to enhance operational efficiency through effective troubleshooting and process improvements. Strong skills in engine diagnostics and team collaboration, ensuring safety and reliability in all mechanical operations. Also including gasoline powered fleet vehicles.
Overview
10
10
years of professional experience
Work History
Diesel Mechanic
Union Pacific Railroad Co
North Little Rock, AR
08.2025 - 10.2025
- Performed routine inspections and diagnostics on diesel engines to ensure operational efficiency.
- Assisted in troubleshooting mechanical issues, applying problem-solving skills to reduce downtime.
- Utilized hand tools and diagnostic equipment for repairs and maintenance of locomotives.
- Maintained accurate records of repairs and services completed, ensuring compliance with safety regulations.
- Supported preventative maintenance programs to extend equipment lifespan and reliability.
Mechanic
Conway Public Schools
Conway, AR
07.2020 - 08.2025
- Diagnosed mechanical issues using advanced diagnostic tools and techniques.
- Performed routine maintenance on school vehicles to ensure safety and reliability.
- Collaborated with staff to schedule repairs minimizing disruption to school operations.
- Trained junior mechanics on equipment usage and safety protocols enhancing team performance.
- Developed maintenance schedules based on usage patterns, improving service life of equipment.
Mechanic
Greenbrier Public Schools
Greenbrier, AR
07.2015 - 07.2020
- Implemented process improvements that reduced vehicle downtime and increased operational efficiency.
- Led repair projects for heavy machinery, ensuring compliance with safety regulations and standards.
- Monitored inventory of parts and supplies, streamlining procurement processes for timely repairs.
- Inspected and tested equipment to locate worn and damaged parts.
- Performed diagnostic and troubleshooting procedures to find and identify root causes of mechanical issues.
Education
High School Diploma -
05-2002
Skills
- Oil changes
- Preventive Maintenance
- Heavy equipment repair
- Diesel engine repair
- Engine repair
- Welding and fabrication
- Vehicle inspections
- Fuel injection systems
- Brake systems
- Engine diagnostics
- Suspension systems
- Inspection procedures
- Auto diagnostics
- Steering mechanisms
- Fuel system maintenance
Affiliations
Army veteran. MOS was 63b wheeled vehicle mechanic. Deployed to iraq 2006-2008. Discharged under honorable conditions.
Timeline
Diesel Mechanic - Union Pacific Railroad Co
08.2025 - 10.2025
Mechanic - Conway Public Schools
07.2020 - 08.2025
Mechanic - Greenbrier Public Schools
07.2015 - 07.2020
Conway High School - High School Diploma,