Ismael Castillo
Lehigh Acres
Summary
Dependable HVAC Specialist with wide-ranging experience in both residential and commercial projects. Skilled in diagnosing, repairing, and installing HVAC systems with the ability to troubleshoot complex issues. Committed to customer satisfaction and known for providing high-quality service that exceeds expectations. Strengths include technical knowledge, problem-solving skills, and commitment to safety protocols. Previous work showcases significant improvements in system efficiency and reliability.
Diligent with solid foundation in cybersecurity principles and practices. Contributed to securing networks and systems through practical coursework and hands-on lab exercises. Demonstrated proficiency in threat analysis and vulnerability assessment.
Overview
8
8
years of professional experience
Work History
HVAC Technician
Service Experts
06.2025 - 07.2025
- Diagnosed and repaired HVAC systems to ensure optimal functionality and customer satisfaction.
- Conducted routine maintenance checks on heating and cooling units to extend equipment lifespan.
- Collaborated with team members to troubleshoot complex system issues efficiently.
HVAC Specialist
Precision buildings and mechanical
02.2022 - 03.2024
- Performed preventive maintenance and repairs on HVAC systems, including pumps, air handlers, condensing units, rooftop units, walk in coolers, reach in freezers.
- Installed new heating, ventilation, air conditioning systems in residential and commercial buildings.
- Monitored HVAC operations to ensure efficient performance of the system.
- Repaired or replaced broken parts and components in existing HVAC systems as needed.
HVAC Technician
Modern technology heating and cooling
05.2021 - 11.2021
- Installed, repaired and maintained residential HVAC equipment, including furnaces, air conditioners, heat pumps and duct systems.
- Cleaned evaporator coils, condensate drains and blower wheels to maintain optimal efficiency of the unit.
- Replaced worn out filters at regular intervals to improve air quality inside the premises.
- Checked pressure readings on gauges connected to the system in order to diagnose any malfunctions.
- Troubleshot complex control circuits involving relays, transformers and switches.
Delivery Driver
Pizza Hutt
12.2020 - 04.2021
- Received daily delivery instructions and route assignments from dispatch.
- Inspected delivery vehicle to ensure optimal safety and performance prior to each trip.
- Loaded, secured, and unloaded cargo in a safe and timely manner.
HVAC Technician
Conditioned Air
07.2017 - 03.2020
- Cleaned evaporator coils, condensate drains and blower wheels to maintain optimal efficiency of the unit.
- Replaced worn out filters at regular intervals to improve air quality inside the premises.
- Troubleshot and diagnosed issues with HVAC equipment, providing recommendations for remediation.
- Completed preventive maintenance on heating and air conditioning systems to extend life of such equipment.
Education
Certificate - Google Cybersecurity Professional
Coursera
Florida01-2025
HVAC Cerfitied - HVAC Installation And Repair
Florida Academy
Fort Myers, FL02-2017
High School Diploma -
East Lee County High School
Lehigh Acres, FL06-2013
Skills
- Technical Troubleshooting
- Plumbing Repairs
- Certified HVAC Technician
- Ventilation Systems
- Load Calculations
- Analytical thinker
- Welding Techniques
- HVAC and Refrigeration Systems
- Equipment Installation
- Cybersecurity frameworks
- Network protocols
- Scripting languages
- Security metrics
- Threat analysis
Languages
English
Full Professional
Spanish
Full Professional
Timeline
HVAC Technician
Service Experts
06.2025 - 07.2025
HVAC Specialist
Precision buildings and mechanical
02.2022 - 03.2024
HVAC Technician
Modern technology heating and cooling
05.2021 - 11.2021
Delivery Driver
Pizza Hutt
12.2020 - 04.2021
HVAC Technician
Conditioned Air
07.2017 - 03.2020
High School Diploma -
East Lee County High School
Certificate - Google Cybersecurity Professional
Coursera
HVAC Cerfitied - HVAC Installation And Repair
Florida Academy
Education and Training
other,other