Jamal Asbob Ali

Core Competencies

• HVAC Service & Project Coordination
• Site Supervision & Scheduling
• Client & Consultant Liaison
• Quotation & Cost Estimation
• Preventive Maintenance Planning
• Material & Subcontractor Coordination
• Safety & Permit Management
• Progress Reporting & Documentation

Professional Experience

Senior chief Engineer – HVAC Service / Projects

Advance Airconditioning Engineering Pte Ltd

August 2025 - present

• Assist the Engineer and supervisors in managing HVAC service and installation projects.
• Coordinate daily site activities, manpower deployment, and work schedules.
• Monitor progress and ensure works meet quality and safety standards.
• Liaise with clients, consultants, and suppliers.
• Support tender preparation, quotations, and cost control.
• Ensure compliance with MOM safety requirements and site regulations.
• Lead the operation and maintenance of HVAC systems for commercial / industrial facilities.
• Plan and oversee preventive maintenance programs to minimize system downtime.
• Manage engineering teams, supervisors, and subcontractors.
• Ensure full compliance with Singapore MOM, BCA, NEA, and WSH regulations.
• Review method statements, risk assessments, and work permits.
• Handle major breakdowns, root cause analysis, and corrective action plans.
• Coordinate with clients, consultants, and authorities during audits.
• Ensure timely completion of works within budget and scope
• Ensure critical cooling availability for data centre environments

• Carry out preventive maintenance, troubleshooting, and corrective repair works for HVAC / ACMV systems, including mechanical and electrical components, ensuring optimum system performance and reliability.
• Oversee and inspect contractor works on active construction and retrofit projects, ensuring compliance with approved drawings, specifications, and industry standards.
• Analyze system faults, identify root causes, and collaborate with internal teams and contractors to implement effective solutions with proper quality control.
• Lead and supervise daily maintenance operations, assigning tasks and coordinating schedules to ensure timely completion of planned and breakdown works.
• Manage annual servicing of major ACMV equipment such as chillers, cooling towers, pumps, and associated systems to enhance efficiency and reduce downtime.
• Conduct weekly technical audits to identify improvement opportunities for system performance, energy efficiency, and occupant comfort.
• Diagnose equipment issues and plan daily activities to improve team productivity while maintaining high service quality standards.
• Provide prompt response to client requests, complaints, and emergency situations such as equipment failures, fire alarms, and system breakdowns.
• Ensure strict compliance with workplace safety requirements, method statements, risk assessments, and HVAC operational procedures.
• Attend weekly coordination meetings with management and review project progress, maintenance status, and operational challenges.

HVAC Site Engineer

Carrier Singapore (Pte) Limited
Singapore | Aug 2011 – May 2022

• Performed preventive and corrective maintenance, troubleshooting, and repair of HVAC and refrigeration systems across high-rise buildings, hotels, hospitals, villas, and industrial facilities.
• Managed daily HVAC maintenance activities based on job schedules, including diagnostics and rectification for Reciprocating, Centrifugal, and Screw Chillers, AHUs, water pumps, packaged units, VRV/VRF, VWV, IVRS, SMMSi, SMMSe, and Multi DX systems.
• Executed routine maintenance and shutdown works at major petrochemical and refinery sites including Exxon Mobil, Shell Chemicals Seraya, MEG, EGS, and SPC – Singapore Petrochemical Complex.
• Conducted site inspections, maintenance, troubleshooting, and engineering support for projects at Universal Studios Singapore (Resorts World Sentosa).
• Led HVAC maintenance and system upgrades in Singapore’s largest steel manufacturing plant, coordinating production-area works, renovations, and multiple vendors to ensure minimal operational disruption.
• Participated in Carrier’s VWV (Variable Water Volume) projects, contributing to one of the first VWV system implementations in Singapore.
• Executed government infrastructure projects at PUB Changi Water Reclamation Plant, including installation of VRV systems, EAF units, fresh air systems, and associated electrical panels.
• Provided strong technical support in both mechanical and electrical disciplines for troubleshooting, installation, and commissioning works at SI Group Singapore (Jurong Island).

Project & Safety Management

• Planned, executed, and monitored daily site activities, including Permit-to-Work (PTW) procedures and preparation of Job Hazard Analysis (JHA); conducted hazard identification and control briefings with vendors and Shell representatives.
• Coordinated HVAC project planning and execution for clients such as ExxonMobil, Shell Chemicals Seraya, Jurong Town Council (JTC), and other commercial and industrial customers—from conceptual design through execution and handover.

HVAC Service Engineer

Airmech Engineers – Carrier Dealer
July 2009 – July 2011 | Chennai, India

• Performed comprehensive operation, maintenance, and troubleshooting of HVAC electrical and mechanical systems, including compressors, water pumps, capacitor banks, and electrical panels.
• Managed operation and maintenance of motorized and manual control valves and electrical power distribution panels.
• Gained strong exposure to renovation and HVAC project execution, from planning to commissioning.
• Dismantled faulty equipment and installed replacement systems such as chillers, cooling towers, air handling units (AHUs), and water pumps.
• Participated in design coordination meetings and project review discussions to support effective execution.

Maintenance Supervisor

Fortis Malar Hospital – Chennai, India
June 2007 – June 2009

• Managed operations and maintenance of hospital engineering services, ensuring uninterrupted functioning of critical systems.
• Operated and maintained ACMV System, low-temperature refrigeration plants.
• Maintained chilled water and condenser water pumps, cooling towers, water softener plants, DX package units, split and window air-conditioning units.
• Oversaw maintenance of electrical MV switchgear panels, power distribution systems, and coordinated basic carpentry and plumbing works.
• Ensured reliable HVAC operation in critical and sensitive hospital areas including:
  IMCU & ICCU
  Operation Theatres
  Post-operative wards
  Cold storage facilities
  Blood banks
• Followed preventive maintenance schedules and supported breakdown maintenance to minimize downtime and maintain patient safety.

HVAC Technician

Bahwan Engineering, Muscat, Oman
January 2005 – February 2007

• Led and supervised a team of 10 HVAC technicians, ensuring timely execution of planned preventive maintenance (PPM) and daily operational activities.
• Operated and maintained 5 nos. of 850 TR Carrier 19XR Hermetic Centrifugal Liquid Chillers, ensuring optimal system performance and reliability.
• Carried out maintenance and servicing of Air Handling Units (AHUs), Fan Coil Units (FCUs), chilled water pumps, condenser water pumps, cooling towers, pressurization units, VFDs, and VAV systems.
• Responsible for routine inspections, daily supervision of operations, and preparation of maintenance reports submitted to the Chief Engineer and Facility Manager.

HVAC Senior Technician
Emirates Technical Association
Dubai, United Arab Emirates
December 2000 – May 2004

• Performed preventive and corrective maintenance on electrical and mechanical systems, including compressors, water pumps, and cooling towers.
• Carried out maintenance, overhauling, and troubleshooting of chillers, air handling units (AHUs), fan coil units (FCUs), and chilled water pump systems.

HVAC Technician
Chandra Air‑Conditioning (LG Dealer)
March 1999 – December 2000 | India

• Performed routine preventive and corrective maintenance on residential and commercial HVAC systems.
• Installed new air-conditioning units, including indoor and outdoor equipment, piping, and electrical connections

S.A. Refrigeration, Hyderabad
HVAC Technician
December 1997 – January 1999
Project: Rajiv Gandhi International Airport

• Operated and maintained Voltas centrifugal chillers, air handling units (AHUs), packaged units, split systems, deep freezers, and DX (direct expansion) systems.
• Supported continuous operation of critical HVAC systems in a high-demand airport environment.

Sun Freeze Air Conditioners
HVAC Technician
July 1996 – November 1997 | India

• Installed HVAC systems including split and packaged units
• Performed troubleshooting, testing, and commissioning of HVAC equipment