Summary
Overview
Work History
Education
Skills
Websites
Certification
Military Service
Timeline
Generic

David Cortez

Portland,TX

Summary

Experienced HVAC technician and refrigeration designer with over 10 years of hands-on expertise in maintenance, system diagnostics, and repair across military, commercial, and academic environments. Strong background in AutoCAD, electrical systems, plumbing, and pharmaceutical operations. Reliable, safety-focused, and effective in high-pressure situations. Holds EPA Universal Certification and Secret Clearance.

Overview

15
15
years of professional experience
1
1
Certification

Work History

Senior HVAC Service Technician

Texas A&M University
04.2023 - Current
  • Maintain and repair HVAC, electrical, fire alarm, and mechanical systems
  • Lead fleet maintenance and support, including food trucks and generators
  • Supervise and train junior technicians; oversee vendor work
  • Provide emergency repair support across campus
  • Conduct blueprint reading, materials planning, and preventive maintenance
  • Explained diagnostic findings to customers and outlined repair or service options.
  • Managed maintenance activities, supervised staff, and inspected equipment.
  • Inspected, evaluated and calibrated electrical and mechanical systems and components.
  • Followed established procedures for inspection of belts, drives and motors, performing needed maintenance.
  • Diagnosed and repaired problems with electrical and mechanical systems.

Refrigeration Designer

GPM Engineering
09.2020 - 01.2021
  • Designed refrigeration layouts using AutoCAD and Revit
  • Conducted on-site surveys throughout Texas to inform system planning

Equipment Maintenance Technician

7-Eleven / Stripes
09.2017 - 06.2020
  • Maintained HVAC, refrigeration, electrical, and plumbing systems
  • Serviced equipment from coffee makers to frozen beverage dispensers

HVAC Technician

MUY Pizza Tejas
02.2017 - 09.2017
  • Repaired commercial HVAC systems and restaurant kitchen equipment
  • Kept accurate records of time and materials used for each job to compile into service reports.
  • Inspected and tested refrigeration systems, safety devices and controls to determine proper functionality.
  • Used technical skills, tools, and techniques like soldering to repair parts.
  • Completed thorough inspections of supporting electrical systems to assess continuity and locate faults.
  • Troubleshot and diagnosed issues with HVAC and refrigeration units.

Engineer Assistant

Orion Drilling
01.2016 - 10.2016
  • Supported engineers with AutoCAD and Autodesk Inventor
  • Managed material orders and assisted in rig construction projects

Pharmacy Technician

Fort Belvoir Community Hospital
08.2011 - 07.2015
  • Managed inpatient and outpatient pharmacy operations
  • Migrated systems during tech upgrades and trained staff
  • Ensured safe and accurate prescription dispensing
  • Coordinated verification and filling of more than 200 daily prescriptions in high-volume Inpatient pharmacy environment.

Pharmacy Technician

Walter Reed Army Medical Center
02.2011 - 08.2011
  • Supported high-volume hospital pharmacy during base closure
  • Ensured safe drug interactions and dosage accuracy
  • Helped transport pharmaceutical inventory during relocation
  • Calculated dosage, filled prescriptions, and prepared prescription labels with absolute accuracy.
  • Entered and processed patients' prescriptions into internal system.
  • Counted, measured, and compounded medications following standard procedures.
  • Communicated with patients to collect information about prescriptions and medical conditions or arrange consultations with pharmacists.
  • Monitored ordering of pharmacy medication stock to maintain streamlined inventory and low overhead.
  • Helped pharmacist clear problematic prescriptions and address customer questions to keep pharmacy efficient.
  • Coordinated verification and filling of more than 500 daily prescriptions in high-volume Outpatient pharmacy environment.

Education

Associate of Science - Health Science

American Military University
Charles Town, WV
01.2022

HVAC Certification - undefined

South Texas Vocational Technical Institute
Corpus Christi, TX
01.2017

Pharmacy Technician Training - undefined

Army AMEDD Center and School
San Antonio, TX
01.2011

High School Diploma - undefined

Gregory-Portland High School
Portland, TX
01.2010

Skills

  • HVAC & Mechanical
  • AC/Heating Repair
  • Refrigeration Systems
  • Ductwork
  • Low Voltage
  • Boilers
  • Wiring
  • Troubleshooting
  • Motor Diagnostics
  • Programmable Logic Controllers (PLC)
  • Leak Detection
  • Refrigerant Charging & Recovery
  • Design & Drafting
  • AutoCAD
  • Revit
  • SolidWorks
  • Autodesk Inventor
  • Blueprint Reading
  • Technical Drawing
  • Pharmacy & Medical
  • Prescription Processing
  • Pyxis Systems
  • Medication Inventory
  • Dosage Calculations
  • CHCS
  • Sterile Compounding
  • Other Tools & Platforms
  • Microsoft Office (Word, Excel, Outlook)
  • Maintenance Management Systems

Certification

  • EPA Universal Certification (Active)
  • HVAC Certification
  • Pharmacy Technician Certification (PTCB)
  • Secret Clearance (Valid through 2030)
  • BLS/CPR | AED | Hazmat | Combat Life Saver | Driver’s License

Military Service

  • U.S. Army – Combat Medic (SGT)
  • June 2010 – June 2017

Timeline

Senior HVAC Service Technician

Texas A&M University
04.2023 - Current

Refrigeration Designer

GPM Engineering
09.2020 - 01.2021

Equipment Maintenance Technician

7-Eleven / Stripes
09.2017 - 06.2020

HVAC Technician

MUY Pizza Tejas
02.2017 - 09.2017

Engineer Assistant

Orion Drilling
01.2016 - 10.2016

Pharmacy Technician

Fort Belvoir Community Hospital
08.2011 - 07.2015

Pharmacy Technician

Walter Reed Army Medical Center
02.2011 - 08.2011

HVAC Certification - undefined

South Texas Vocational Technical Institute

Pharmacy Technician Training - undefined

Army AMEDD Center and School

High School Diploma - undefined

Gregory-Portland High School

Associate of Science - Health Science

American Military University

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