Sergio Ortega Reynoso
Stafford,TX
Summary
Dedicated Diesel Technician with over three years of experience focused on enhancing vehicle safety and performance through expert engine and brake diagnostics. Proficient in electrical diagnosis, preventative maintenance, and diesel repairs, consistently reducing downtime and maximizing operational efficiency. Committed to continuous learning and professional development to stay abreast of industry advancements. Strong team player thriving in fast-paced environments, delivering high-quality results with keen attention to detail.
Overview
5
5
years of professional experience
Work History
Diesel Mechanic
FedEx
Cypress, TX
03.2025 - Current
- Diagnosed suspension issues such as noise, vibration, and uneven tire wear.
- Diagnosed and repaired power steering system issues, including pumps, hoses, and steering components.
- Independently created work orders and sourced required parts based on diagnostic findings and repair requirements.
- Diagnosed and repaired engine cooling system issues, including water pumps, radiators, thermostats, and coolant leaks.
- Diagnosed and repaired air brake system issues, including slack adjuster adjustment, brake inspection, and system troubleshooting.
- Performed injector replacement and front cover reseals on diesel engines, ensuring proper operation.
- Diagnosed electrical issues using OEM wiring schematics, Scan tools, and multimeter testing.
- Used OEM software to troubleshoot engine, aftertreament and electrical systems.
- Preventive maintenance on tractors and trailers, and yard dogs, as well as dollies for trailers.
- Maintain and repair shop equipment and tools, ensuring readiness for various mechanical tasks.
Diesel Technician
Rush Truck Leasing
Houston
08.2023 - 03.2025
- Diagnose engines and brakes, enhancing vehicle safety and performance.
- Perform electric and emissions troubleshooting, ensuring compliance and efficiency.
- Conduct preventative maintenance on tractors, reducing downtime and repair costs.
- Reseal differentials and wheel seals, improving reliability and longevity.
- Maintain A/C and suspension systems, ensuring optimal comfort and handling.
- Troubleshooted cooling systems.
Diesel Mechanic
CEMEX
Houston, TX
06.2022 - 08.2023
- Installed vehicle systems to boost performance and reliability, enhancing operational efficiency.
- Replaced hydraulic and brake components efficiently, ensuring top-notch safety standards.
- Conducted electrical diagnostics, resolving issues swiftly and minimizing downtime.
- Serviced mixers and tag axle components, improving functionality and lifespan.
- Executed welding tasks, contributing to structural integrity and durability.
Automotive Lube Technician
Ford
Houston, Texas
02.2022 - 06.2022
- Changed tires, rotated and balanced for vehicle safety and efficiency.
- Supported senior technicians, gaining practical automotive skills.
- Conducted thorough vehicle inspections, identifying service needs.
- Communicated inspection results, improving customer satisfaction.
Lube Tech
NTB-National Tire & Battery
Houston, Texas
08.2021 - 11.2021
- Repaired tires.
- Tire dismount and mount.
- Streamlined lube service process, reducing average service time. Consistently met daily service quotas while maintaining high-quality standards.
- Worked effectively in a team environment, assisting colleagues during peak hours. Contributed to a positive workplace atmosphere, enhancing overall productivity.
Education
Associate of Occupational Studies - Diesel Technician
Universal Technical Institute of Texas Inc
Houston, TX06-2022
Skills
- Brake repairs
- Electric diagnosis
- Air conditioning systems
- PM's
- Welding and fabrication
- Vehicle inspections
- Engine diagnostics
- Exhaust systems
- Suspension systems
- Steering systems
- Diesel repairs
- Hydraulic components
Languages
English (Expert)
Spanish (Expert)
Timeline
Diesel Mechanic
FedEx
03.2025 - Current
Diesel Technician
Rush Truck Leasing
08.2023 - 03.2025
Diesel Mechanic
CEMEX
06.2022 - 08.2023
Automotive Lube Technician
Ford
02.2022 - 06.2022
Lube Tech
NTB-National Tire & Battery
08.2021 - 11.2021
Associate of Occupational Studies - Diesel Technician
Universal Technical Institute of Texas Inc