Roy Roa
Royal Caribbean Cruise Line
Quezon city
Summary
Experienced with technical diagnostics and system maintenance. Utilizes problem-solving skills to ensure optimal equipment functionality. Strong understanding of collaborative teamwork and efficiency improvements.
12
years of professional experience
Work History
Assistant Refrigeration Engineer
9 Months- Conducted routine inspections of refrigeration systems to ensure optimal performance.
- Diagnosed and repaired mechanical issues in ice-making and cooling equipment.
Multi Skilled Technician
11 Months- Monitoring all operational equipment and repairing any problem of HVAC system and also mechanical and electrical control
- Troubleshooting of Aircon Daikin VRV and VRF multi split and installation, check and repair heat pump system, replace bearing of booster pump, transfer pump
- Diagnosed and resolved technical issues in guest room systems to ensure optimal functionality.
- Conducted routine maintenance on HVAC units, improving energy efficiency and guest comfort.
HVAC technician
2 Years- Monitored all operational equipment such as cleveite air cold chiller, heath exchanger, heath pump, unit. Conducted routine maintenance checks to identify potential issues and improve system efficiency.
- Replace defective bearings of condenser pump , primary pump, booster pump transfer pump, sewage pump
- Monitored BMS FDAs checking and clean smoke detector and heat detector
- Rectify any problem of Air-conditioning conducted.
- Monthly and quarterly ppm.
- Installed and repaired HVAC systems to ensure optimal performance in hotel facilities.
Industrial Chiller Operator
7 Years- Installation and technician of VFD, VRF, VRV inverter unit, Daikin, LG, Gree and Medea central multi evaporator unit, Window A/C split type, A/C fresh air AHU, Heat pump, Booster pump and exhaust system AHU/ chiller operator and technician. (Assigned at Resorts world manila and Holiday inn express).
- Operating and monitoring of carrier centrifugal and screw type chillers, AHU, VFD mode, air-con and refrigeration system in operation and their auxiliaries like cooling tower fan motor and water pump motor.
- Performed monthly and annual preventive maintenance of changing AHU’s filters and pressure washing of evaporator, monitoring control, V-belt and pillow block also monitors facilities equipment, motor of blower, exhaust blower, water level, etc.
- Monitoring and control of temperature and relative humidity in production area.
- Preventive maintenance of AHU’s digital and analog thermostat and (3-way valve) modulating valve calibration.
- Conduct industrial company proper shutdown, power transferring, and start-up
- Company Certificate of Recognition for Outstanding Contributions and Dedicated Services Given in the 7th day of December 2019.
Education
Vocational Course - Domestic Air conditioning and Refrigeration (NC II)
High School Diploma
No Degree - Elementary Education
Skills
Installation of solar panel and computation of power output.
Refrigerant handling
Air conditioning
Works Well Under Pressure
Troubleshooting and repair
Preventive Maintenance
Performance improvement
HVAC systems expertise
System troubleshooting
TRANING / SEMINARS / WORKSHOP ATTENDED
- Comprehensive electrical and mechanical safety with control of hazardous energy (COHE)/ LOTO. Synerquest consultancy service Inc. DOLE Accreditation No. 1030- 011516-0060 Site: Resorts world manila New Port City, July 20, 2017
- National Certificate II (domestic refrigeration and air conditioning)
- Occupational Safety, Health and Environmental Awareness; Basic Electrical Safety in accordance with DOLE-BWC OSH Standards of 1978 (as amended, 1989) Held on March 01, 2019 at Holiday Inn Express, Newport City, Pasay.
- Essential New Generation in Needs of Energy and Environment Resources Inc. related to Solar for Home Installation Workshop, 1st day of March 2017.
Timeline
Assistant Refrigeration Engineer
Royal Caribbean Cruise Line
10.2025 - Current
Multi Skilled Technician
Harold's Evotel
10.2024 - 09.2025
HVAC technician
Rummaillah Company
08.2021 - 08.2023
Industrial Chiller Operator
Top Source Company
06.2014 - 06.2021
St. Peter Velle Technical Training Center, Inc.
Vocational Course from Domestic Air conditioning and Refrigeration (NC II)
Capul Agricultural And Industrial School
High School Diploma
Holy Spirit Elementary School
No Degree from Elementary Education