Guillermo Hernandez
San Antonio,TX
Summary
Accomplished Locomotive Mechanic with Union Pacific, skilled in mechanical diagnostics and preventive maintenance. Proven track record of enhancing operational efficiency and ensuring safety compliance. Adept at collaborating with teams to troubleshoot complex issues, while maintaining meticulous technical documentation and managing inventory effectively.
Overview
10
10
years of professional experience
Work History
Locomotive Mechanic
Union Pacific
Little Rock, Arkansas
11.2025 - Current
- Inspected and repaired locomotive engines to ensure optimal performance and safety.
- Diagnosed mechanical issues using advanced diagnostic tools and techniques.
- Conducted routine maintenance on locomotives for safety compliance.
- Collaborated with team members to troubleshoot complex mechanical problems.
- Maintained accurate records of repairs, inspections, and service schedules for equipment.
- Operated specialized machinery for assembly and disassembly of locomotive components.
- Implemented best practices for inventory management of tools and replacement parts.
- Repaired damaged fuel lines on diesel engines.
Locomotive Mechanic
Union Pacific
San Antonio, USA
05.2023 - Current
- Executed maintenance troubleshooting and repairs on diesel locomotives to ensure reliability and compliance with FRA standards.
- Utilized diagnostic software and schematics to identify and rectify mechanical faults.
- Collaborated with cross-functional teams, enhancing equipment turnaround times and minimizing downtime.
- Implemented proactive maintenance measures, boosting operational efficiency.
E5 Sergeant
Army Reserve
San Antonio, Texas
01.2022 - 01.2025
- Maintained full operational readiness by inspecting and repairing military vehicles.
Minimized parts management discrepancies through effective inventory tracking system implementation.
Efficiently operated heavy diesel equipment in high-pressure environments, ensuring safety.
Fleet Mechanic
B. Robinson Inc.
San Antonio, USA
09.2022 - 05.2023
- Maintained diverse fleet vehicles through regular inspections, repairs, and DOT compliance checks.
- Managed parts inventory and procurement, reducing service delays.
- Ensured all services adhered to safety protocols, minimizing workplace incidents.
Apprentice Diesel Mechanic
Red McCombs Ford
San Antonio, USA
02.2022 - 09.2022
- Assisted in diesel engine maintenance and fuel system repairs following factory standards.
- Conducted diagnostics on engine, brake, and electrical systems to support senior technicians.
91B Wheeled Vehicle Mechanic
U.S. Army
Fort Hood, USA
07.2016 - 01.2022
- Inspected, repaired, and maintained military vehicles to ensure operational readiness.
- Implemented inventory tracking systems to reduce discrepancies in parts management.
- Operated heavy diesel equipment safely and efficiently under high-pressure conditions.
Education
Ford Technicians of Tomorrow Certification -
Fort Hood12.2021
91B Wheeled Vehicle Mechanic Training -
Fort Lee10.2016
Skills
- Preventive maintenance
- Mechanical diagnostics
- Technical documentation
- Hazardous material handling
- Team collaboration
- Safety compliance
- Equipment inspection
Timeline
Locomotive Mechanic
Union Pacific
11.2025 - Current
Locomotive Mechanic
Union Pacific
05.2023 - Current
Fleet Mechanic
B. Robinson Inc.
09.2022 - 05.2023
Apprentice Diesel Mechanic
Red McCombs Ford
02.2022 - 09.2022
E5 Sergeant
Army Reserve
01.2022 - 01.2025
91B Wheeled Vehicle Mechanic
U.S. Army
07.2016 - 01.2022