Job Duties

• Manage, support, and maintain daily operations for fixed networks (LAN/WAN), wireless connectivity, Internet services, and overseas branches to ensure high stability and performance.

• Configure, deploy, and manage security and traffic management infrastructure, including next-generation firewalls, Site-to-Site IPsec VPNs, F5 load balancers, Nginx, and enterprise Wi-Fi (mobility controllers, access points, and NAC).

• Maintain security rule sets (web isolation, web proxy, DLP) and assist in defining overall network and security policies and baselines.

• Partner with internal application development teams and stakeholders to design and provision network environments across dev, test, and production phases, as well as support solution rollouts and problem resolution.

• Provide high-tier technical troubleshooting for complex network incidents and manage external vendors/counterparts for connectivity management.

• Facilitate team cooperation, share technical expertise, and perform ad-hoc tasks assigned by management.

Requirements

• Experience & Education: Minimum 5 years of experience in network infrastructure support. Higher Certificate/Diploma in Computer Science required; a Degree in IT/Computer Science is preferred.

• Technical Expertise: In-depth knowledge of network protocols (TCP/IP, EIGRP, OSPF, BGP) and hands-on experience with Cisco, H3C, and Huawei devices.

• Systems & Tools: Hands-on experience with next-gen firewalls, F5 Load Balancers, enterprise Wi-Fi products, network monitoring tools (e.g., iMC, LEM), and various operating systems.

• Certifications: CCNP, HCIP, H3CSE, F5, Aruba, or HKMA Enhanced Competency Framework qualifications are preferred/an advantage.

• Soft Skills & Communication: Strong analytical, problem-solving, and action-planning abilities. Proactive, customer-oriented team player with excellent written and spoken English and Chinese skills.