Responsibilities: • Provide on-site operation and maintenance of large-scale data centre and enterprise networks. • Monitor network availability and performance. • Troubleshoot incidents involving switches, routers, WAN, LAN and network links. • Perform configuration changes, upgrades, preventive maintenance and fault escalation. • Coordinate with vendors and prepare technical documentation and incident reports. • Lead complex network incident investigation, major network changes, technical escalation and root cause analysis. Required: • Degree in Computer Science, Information Technology, Network Engineering or a related discipline. • Holder of HCNP/H3CNP/CCNP or equivalent certification; • HCIE/H3CIE/CCIE or higher certification is advantageous. • Able to provide on-site and after-hours support where required.