- To assist in the planning, coordination, and execution of M&E (Mechanical & Electrical) works. - To support the delivery of projects on time, within budget, and in accordance with safety and quality standards—particularly in live, high-security environments at site, Changi Airport. - Support end-to-end project execution for HVAC system installations, upgrades, and maintenance works. - Coordinate with consultants, subcontractors, suppliers, and clients on technical and operational matters. - Monitor daily site progress and ensure work is carried out according to approved drawings and specifications. - Oversee installation, commissioning, and testing of Chiller Plants systems. - Ensure proper integration with energy management systems. - Provide support for troubleshooting and issue resolution during execution phases. - Ensure work complies with statutory requirements (e.g., BCA, NEA, PUB) and site-specific regulations (e.g., CAG House Rules. - Implement quality control measures, method statements, and risk assessments. - Participate in site inspections, audits, and technical handovers. - Assist in preparing cost estimates, evaluating subcontractor quotations, and material take-offs. - Track project expenses and variation orders with oversight from the Project Manager. - Maintain project documentation including work schedules, material submissions, inspection checklists, and as-built drawings. - Provide support during shutdowns, inspections, or testing & commissioning activities. - Submit daily, weekly, and monthly maintenance reports, site issues to supervisors. - Ability to work on-site at Changi Airport and able to travel from site to site (if required). - Follow site-specific safety protocols and permit-to-work systems. - Maintain accurate records of maintenance, breakdowns, and equipment service logs. - May require occasional overtime, weekend, or night shift support during shutdowns or emergencies. - Perform any duties as and when required by Management. - At