Manager - Infrastructure & Network - GTS - FCS - Hong Kong

Job Description We are seeking an experienced IT Infrastructure & Network Manager to lead the operation and optimization of our hybrid infrastructure across on-premises data centers and multi-cloud environments. This role requires technical leadership in enterprise networking and security with deep understanding of switching, routing, AP, firewall from multiple vendors (e.g., Cisco, F5, Mist, Palo-Alto, FireEye, Imperva eg,). The manager need ensure system stability, security, and compliance. Responsibilities • Oversee daily network operations across LAN, WAN, wireless, and SD-WAN environments to ensure stable, secure, and high-performance service delivery • Lead incident management, troubleshooting, and root cause analysis to minimize downtime and prevent recurrence • Establish and monitor KPIs to measure network performance, availability, and service quality • Manage the lifecycle of on-premises and cloud infrastructure, including deployment, maintenance, and decommissioning of network systems • Collaborate with the security team to enforce network security policies, firewall governance, and access controls • Support compliance and regulatory audits by ensuring network documentation, controls, and processes meet required standards • Drive knowledge-sharing, documentation, and succession planning to reduce dependency on individual expertise • Lead infrastructure projects including network upgrades, office deployments, cloud integration, and technology refresh initiatives • Partner with regional and global stakeholders to ensure consistent and integrated network architecture across the organization • Deliver end-to-end infrastructure support for office setup, relocation, and closure projects. Requirements • Bachelor’s degree in Computer Science, Information Technology, or a related field. • Requires over 5 years of experience in IT infrastructure support, with a focus on IT network management. • Experience in multinational or regional enterprises, preferably with exposure to Hong Kong and Mainland China operations • Deep understanding of networking protocols (TCP/IP, OSPF, BGP, MPLS, VLAN) and network security principles • Hands-on experience with enterprise-grade network equipment (Cisco, Palo Alto, Juniper, F5, Velocloud) • Familiarity with wireless networking (e.g., Juniper MIST), cloud networking, container security, and DDI (DNS, DHCP, IPAM) • Knowledge of automation, scripting (Python, Ansible), and network monitoring tools is an advantage Strategic thinker with a pragmatic approach to balancing security, cost, and operational effort • Fluent in English (Spoken/Written) and Mandarin (essential for regional collaboration) • CCNP (Cisco Certified Network Professional) certification is REQUIRED, preferably with a CCIE certification • Relevant certifications such as HCIP, HCIE, Palo Alto PCNSE, ITIL, or PMP are an advantage.