This position is a hands‑on senior role responsible for designing, implementing, operating, and continuously improving Mapletree Group’s global enterprise network across offices and data centres, with connectivity into cloud environments. You will lead a small team and managed service partners, but remain directly involved in technical delivery (design reviews, complex troubleshooting, changes, and automation) to ensure a secure, resilient and scalable network platform. The scope covers enterprise switching, wireless, WAN/SD‑WAN, internet edge, network security controls (firewalls/VPN), and unified communications connectivity.