Niroshan Maduranga
E/54 Alawatta, Rambukkana.
Summary
Dedicated and technically skilled technician with hands-on experience in HVAC, refrigeration, air conditioning, swimming pool maintenance, and plumbing systems. Strong background in system diagnostics, electrical troubleshooting, welding, and cold room design. Holds NVQ Level 4 in Refrigeration & Air Conditioning and certified in house wiring. Eager to advance in the Plumbing, Pool Maintenance, and HVAC field and contribute my best through experience and education.
Overview
4
4
years of professional experience
1
1
Certification
Work History
Swimming Pool Maintenance & Plant Operator
ITC Ratnadipa, a Luxury Collection Hotel, Colombo
01.2025 - Current
Swimming Pool Maintenance & Plant Operator | ITC Ratnadipa, a Luxury Collection Hotel, Colombo, Sri Lanka — January 2025 to Present
- Operate and maintain swimming pool filtration and treatment systems to ensure water quality meets health and safety standards.
- Conduct routine inspections, chemical testing, and equipment servicing to prevent system malfunctions and optimize performance.
- Collaborate with engineering and housekeeping teams to maintain a clean, safe, and guest-ready pool environment at all times.
Refrigeration & Air Condition Technician
A.N.N International (Pvt) Ltd
01.2022 - 12.2024
Refrigeration & Air Condition Technician | A.N.N International (Pvt) Ltd, Polgasowita, Sri Lanka — January 2022 to December 2024
- Independently installed, serviced, and repaired a wide range of HVAC and air conditioning systems for residential, commercial, and industrial clients.
- Performed preventive maintenance, system testing, fault diagnostics, copper (CU) welding, and arc welding to ensure reliable and efficient system performance.
- Supervised junior technicians, maintained detailed job records, and coordinated with clients to deliver high-quality HVAC solutions on time.
Trainee Refrigeration & Air Condition Technician
A.N.N International (Pvt) Ltd
04.2021 - 01.2022
Trainee Refrigeration & Air Condition Technician | A.N.N International (Pvt) Ltd, Polgasowita, Sri Lanka — April 2021 to January 2022
- Assisted in the installation, maintenance, and repair of commercial and residential refrigeration and air conditioning systems under the supervision of senior technicians.
- Conducted routine inspections and diagnostic tests to identify faults and ensure optimal system performance.
- Maintained tools and equipment, followed safety protocols, and supported troubleshooting activities to improve operational efficiency.
Skills
- HVAC maintenance
System troubleshooting
Cold room
Pipe installation
Pool operations
Water treatment
- Gas handling
Vacuum system
Electrical diagnostics
Pump servicing
Copper welding
Drainage systems
Certification
NVQ Level 4 – Refrigeration & Air Conditioning | National Apprentice and Industrial Training Authority, Moratuwa, Sri Lanka — April 2021
Completed a nationally recognized vocational program with hands-on training in HVAC and refrigeration systems, including breakdown troubleshooting, system vacuuming, gas system handling, electrical fault diagnosis, cold room design, and maintenance of all types of refrigeration and HVAC systems.
Level 3 Certificate – House Wiring | Ceylon Electricity Board, Rambukkana, Sri Lanka — 2014
Completed foundational training in residential electrical wiring, including circuit design, installation of switches and sockets, troubleshooting electrical faults, and adherence to safety standards and regulations for domestic electrical systems.
General Certificate of Education – Advanced Level | Pinnawala Central College (National School), Kegalle, Sri Lanka — 2018
Training
Plumbing Trainee (Shift Basis) | ITC Ratnadipa, a Luxury Collection Hotel, Colombo, Sri Lanka — Currently Training
Receiving hands-on training in plumbing systems, including installation, maintenance, and repair of water supply and drainage systems, fixture fittings, and troubleshooting under the guidance of experienced professionals in a luxury hospitality environment.
Languages
Sinhala
Native language
English
Intermediate
B1
PERSONAL details
Date of Birth: 07/07/1998
Nationality: Sri Lankan
REFEREES
Available upon request.
Timeline
Swimming Pool Maintenance & Plant Operator
ITC Ratnadipa, a Luxury Collection Hotel, Colombo
01.2025 - Current
Refrigeration & Air Condition Technician
A.N.N International (Pvt) Ltd
01.2022 - 12.2024
Trainee Refrigeration & Air Condition Technician
A.N.N International (Pvt) Ltd
04.2021 - 01.2022
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