Senior Field Engineer (Site Location: Changi) - Valid Ccna Required

All the responsibilities we will trust you with: Provide Level 2 technical support for IMACS systems, including CCTV, Access Control, Alarm Systems, and backend IT infrastructure (servers, storage, network). Support installation, testing, commissioning & configure network devices such as workstations, routers, and switches. Maintain system components in accordance with project and operational requirements. Troubleshoot and diagnose basic hardware, software, and local area network (LAN) incidents and system faults, including root cause analysis and escalation to Level 3 or vendors when required. Respond efficiently to automated alerts and fault calls, performing initial troubleshooting and escalation within defined operational timelines. Support corrective, preventive, and request maintenance activities in line with ITSM processes and SLA commitments. Perform server/VM administration health monitoring (production and DR environments) PTRG, Server disk space etc. Support implementation, migration, and system upgrades, including preparation of implementation plans, migration plans, and rollback procedures. Support in conducting testing and commissioning activities, including FAT/SAT, and ensure defects are rectified prior to acceptance. Liaise with Project Managers, Maintenance Managers, and stakeholders to coordinate site activities, schedules, and issue resolution. Participate in incident, problem, change management processes and change request. Ensure accurate documentation and audit compliance, including: Work instructions / SOPs, As-built documentation & Service reports and incident logs. Support high availability operations by ensuring systems meet uptime, resilience, and disaster recovery (DR) requirements. Your areas of knowledge and expertise that matter most for this role: Minimum Nitec/Diploma in Engineering (Electrical/Electronic/IT) or related field preferred At least 2 years’ experience in OT/IT environment preferred CCNA certificate or equivalent Knowledge of networking (IP/TCP) Experience in CCTV, Access Control, and system servers Exposure to system security (OS hardening, patching, AV) Relevant IT certifications will be an advantage Good communication and positive attitude Comfortable with shift work