ARMANDO GARCIA
Diesel Technician
Midlothian,TX
Summary
Dedicated Diesel Technician specializing in the repair and maintenance of diesel-powered buses. Expertise in diagnosing Cummins and International engines and electrical systems enhances operational reliability. Maintains rigorous safety and quality standards, ensuring efficient performance in high-pressure maintenance settings.
Overview
10
10
years of professional experience
Work History
Diesel Fleet Technician
ABC Companies
Grand Prairie, Texas
09.2026 - 10.2026
- Repaired brakes, steering, suspension, and electrical systems on fleet equipment.
- Documented maintenance work and parts usage for ABC Companies service records.
- Performed preventative maintenance on fleet vehicles, such as oil changes, tire rotations and brake repairs.
- Conducted routine maintenance of air conditioning systems, including filter replacement and refrigerant recharging.
- Replaced worn out parts with new components in accordance with manufacturer specifications.
- Participated in training to maintain technical expertise and proficiency on applicable equipment.
Level 4 Bus/Diesel Technician
Waxahachie ISD
Waxahachie, Texas
05.2021 - 08.2026
- Perform teardown, inspection, repair, and rebuild of diesel-powered buses and mechanical systems
- Diagnose and repair Cummins and International diesel engines and supporting systems
- Troubleshoot electrical systems including sensors, relays, wiring, charging, and starting systems
- Inspect components to identify wear, damage, and root causes of failure
- Use precision measuring tools to verify tolerances and serviceability
- Interpret technical manuals, wiring diagrams, and service procedures
- Document repairs, inspections, and maintenance in work order systems
- Maintain safety, organization, and quality standards in all work performed
- Conducted routine maintenance checks on bus systems and components.
- Diagnosed mechanical problems and made necessary repairs on all types of buses.
- Installed new engine parts when needed.
- Performed preventative maintenance including oil changes, tire rotation and brake inspections.
- Operated lifts, jacks and other tools used during repairs.
Concrete Construction Laborer / Repair Technician
RESTEK INC
Manchaca, Texas
04.2020 - 05.2021
- Performed concrete demolition, repair, and restoration on residential and commercial projects
- Operated hand and power tools safely and efficiently
- Assisted with site preparation and material handling
- Followed safety procedures and job specifications
- Completed work as part of crew-based projects under deadlines
- Operated concrete mixers and tools for efficient construction tasks.
- Mixed and poured concrete according to project specifications and safety standards.
- Inspected completed work for any defects or flaws that need correcting before finalizing project.
- Demolished existing structures with sledgehammers and other power tools.
- Finished surfaces by troweling, floating and brushing following project requirements and specifications.
Concrete Foreman
Payton Construction inc
Wimberley, Texas
11.2016 - 04.2020
- Poured concrete into forms using pump hose and leveled.
- Coordinated crew activities to ensure timely project completion and safety.
- Trained new workers on concrete mixing techniques and safety protocols.
- Managed equipment maintenance schedules to ensure optimal performance on site.
- Removed debris and waste to clean site after completing work.
- Operated excavators and loaders to prepare site.
- Constructed forms to create various concrete structures.
- Positioned wire mesh and rebar to reinforce concrete.
- Interpreted survey data in order to properly grade surfaces according to plan specifications.
- Dismantled forms using basic and advanced tools.
- Inspected forms, footings, and foundations for accuracy in accordance with plans and specifications.
- Set up scaffolding, braces, and other temporary structures to support crew during work.
Education
High School Diploma -
Skills
- Component Teardown & Evaluation
- Mechanical Diagnostics
- Electrical System Troubleshooting
- Failure Analysis
- Cummins & International Engines
- Hydraulic & Pneumatic Systems
- Preventive maintenance
- A/C service
- Parts ordering
- Problem solving
- Attention to detail
- Team collaboration
- Work Order Documentation
- Quality Inspection
- Hand & Power Tools
- Safety Compliance
Timeline
Diesel Fleet Technician
ABC Companies
09.2026 - 10.2026
Level 4 Bus/Diesel Technician
Waxahachie ISD
05.2021 - 08.2026
Concrete Construction Laborer / Repair Technician
RESTEK INC
04.2020 - 05.2021
Concrete Foreman
Payton Construction inc
11.2016 - 04.2020