Air-Conditioning And Mechanical Ventilation (ACMV) Service Engineer

Job Summary Responsible for leading complex ACMV service operations, diagnosing critical system faults, providing technical solutions, and supporting business growth through engineering excellence. The role requires independent decision-making, technical leadership, and preparation of analytical service reports for management. Responsibilities Lead troubleshooting and root cause analysis of complex ACMV, VRV/VRF, AHU, FCU, and chiller system failures. Plan and execute preventive and corrective maintenance for commercial and industrial ACMV systems. Diagnose refrigeration, electrical, control, and mechanical faults independently using technical drawings and diagnostic tools. Develop technical recommendations to improve equipment reliability, energy efficiency, and maintenance strategies. Prepare comprehensive technical reports, failure analysis, and maintenance performance reports for management review. Coordinate with project engineers, suppliers, and clients to resolve critical technical issues. Conduct commissioning, testing, and performance verification of ACMV systems. Review service data and recommend predictive maintenance strategies based on equipment performance trends. Provide technical guidance and mentoring to junior service technicians. Support business development by identifying upgrade opportunities, retrofit solutions, and long-term maintenance contracts. Ensure compliance with Workplace Safety & Health (WSH), BCA, and manufacturer standards. Participate in emergency breakdown support and critical site response when required. Preferred Competencies & Qualifications Minimum 6–8 years of commercial ACMV/chiller servicing experience. Strong knowledge of VRV/VRF, AHU, FCU, chilled water systems, pumps, cooling towers, and BMS. Experience with Daikin, Trane, Carrier, York, Mitsubishi Electric, or equivalent systems. Ability to independently diagnose complex electrical, refrigeration, and control faults. Experience preparing technical reports and maintenance analysis for management. Knowledge of PLC, VSD, BMS, and control systems is an advantage. Experience in hospitals, data centres, pharmaceutical, or mission-critical facilities is preferred. Class 3 Driving Licence is an advantage.