Alex Cabrera
McAllen
Overview
8
8
years of professional experience
Work History
Diesel Mechanic
Dura Trucks & Equipment
Pharr
01.2025 - 12.2025
- Repair trucks according to work orders
- Remove and replace engine components such as alternators, injections pumps, diesel injectors, water pumps, water reservoirs, power steering pumps along with suspension parts, master slave cylinders, drag links, etc.
- Diagnose electrical and mechanical issues ( on CUMMINS , CATERPILLAR , DETROIT ENGINES )
- adjust valve clearance for proper use of engine brakes, and after engine rebuilds or camshaft replacements ( to assure proper clearance )
- rebuild engines ( c15-c16 , cummins x-15 x-10 x-12 )
- check ac systems for leaks, proper refrigerant level, etc
- remove and replace transmission parts such as driveshafts, shifters, fluid and filters, and more in dept parts such as, input & output shafts, planetary gears, clutches and drum assembly and more
Lead Diesel Technician
ProFrac Services
Midland
10.2022 - 12.2024
- Rebuilt engines, transmissions and other major components according to manufacturer's specifications.
- Performed electrical repairs on lift trucks, including wiring and soldering components.
- Conducted preventive maintenance checks on all forklifts at regular intervals.
- Adjusted valves, fuel mixture settings and timing to ensure optimal engine performance.
- Maintained and repaired forklifts, ensuring safety and proper operation.
- Replaced defective parts such as motors, switches, brakes, hydraulic cylinders, pumps and hoses.
- Trained new hire mechanics on safe working practices when servicing forklifts and other equipment.
- Diagnosed mechanical problems using specialized testing equipment.
Lead Diesel Technician
Halliburton
Dilley
08.2020 - 03.2022
- Worked closely with data acquisition personnel during real-time monitoring of fracture treatments.
- Installed plugs at designated intervals along pipeline routes using specialized tools such as wireline units or tractors.
- Ensured proper operation of downhole tools such as packers, subsurface safety valves before they were deployed into wells.
- Dismantled equipment after completion of each job following established procedures.
- Performed pre-job checks on equipment and worked closely with the Frac Supervisor to ensure all safety protocols were followed.
- Utilized high-pressure jetting systems to clean out wellbores prior to stimulation treatments.
- Checked oil, gas and mineral wells for compliance with environmental regulations.
- Installed new pumping systems according to manufacturer's specifications.
- Replaced worn or damaged parts on pumps and related components.
- Operated hoists, cranes or forklifts to move heavy machinery into position.
- Provided technical advice on pump selection based on customer needs.
Diesel Technician
Doggett Freightliner
San Antonio
01.2018 - 07.2020
- Conducted comprehensive engine diagnostics to detect mechanical issues, recommending suitable repairs.
- Executed preventive maintenance procedures, enhancing vehicle reliability and minimizing breakdowns.
- Efficiently managed parts inventory, ensuring timely availability of repair components.
- Repaired electrical systems, focusing on wiring harnesses and other key electrical components, such as engine control modules, etc.
- Responded swiftly to emergency repair requests, reducing fleet vehicle downtime.
- Removed cylinder heads for piston ring replacement, replacing head gaskets, and valves.
- Replaced worn-out components such as injectors, pumps, air filters, and belts.
- Diagnosed issues using scan tools, software, and troubleshooting techniques.
- regular maintenance such as oil and filter changes , checked freeon levels , differential fluid change , transmission flushes and filter replacements.
Education
Diesel Technician - Diesel
Universal Technical Institute
Houston, TX11-2018
High School Diploma -
Nikki Rowe Highschool
Mcallen05-2017
Skills
- Engine rebuilding
- A/C troubleshooting
- Engine diagnostics
- Transmission repair
- Electrical systems repair
- Vehicle inspection
- Preventive maintenance
- Customer relationship management
- Problem solving
- Effective communication
- Team collaboration
Languages
English
Professional
Spanish
Professional
Timeline
Diesel Mechanic
Dura Trucks & Equipment
01.2025 - 12.2025
Lead Diesel Technician
ProFrac Services
10.2022 - 12.2024
Lead Diesel Technician
Halliburton
08.2020 - 03.2022
Diesel Technician
Doggett Freightliner
01.2018 - 07.2020
Diesel Technician - Diesel
Universal Technical Institute
High School Diploma -
Nikki Rowe Highschool