Network Security Engineer (Multiple vacancies)

Key Responsibilities

• Perform daily operations, monitoring, and regular maintenance for enterprise LAN, WAN, wireless networks, switches, and routers.

• Assist in the configuration, deployment, and policy tuning of Next-Generation Firewalls and Web Proxies.

• Coordinate with senior team members to handle network upgrades, hardware installations, and firewall ruleset creation/modifications.

• Set up and maintain secure VPN connections (IPsec / SSL VPN) for site-to-site connectivity and user remote access.

• Troubleshoot network and connection connectivity issues using general diagnostic tools (e.g., Wireshark).

• Maintain and update technical documentation, network diagrams, and asset management inventories.

• Provide technical and operational on-site support at our Kowloon Bay office.

Requirements

• Higher Diploma or Degree in Computer Science, Information Technology, or related disciplines.

• Minimum 2-3 years of hands-on experience in network operations or infrastructure support. (Candidates with less experience but strong basic knowledge will be considered for Assistant Engineer).

• Solid understanding of TCP/IP, VLAN, STP, and basic routing concepts (Static routing, OSPF basics).

• Basic hands-on experience or familiarity with firewall configuration (e.g., Fortinet / FortiGate or any other mainstream brands) and Web Proxies.

• Hardware Support: Experience in handling standard network switches and routers (e.g., Cisco, Huawei, or equivalent).

• Holder of CCNA or Fortinet NSE 4 is an advantage, but NOT mandatory if you have equivalent hands-on experience.

• Fluent in Cantonese is required for daily internal team collaboration; fair command of written and spoken English.