IT - Infrastructure (Network Security) – VP/AVP

About Us
Huatai International Financial Holdings Company Limited (“Huatai International” or “the Company”), is the only overseas wholly-owned or controlled subsidiary of Huatai Securities. Huatai International is the Huatai Group’s international arm which plays as a crucial role in the group's internationalization strategy by:
• not only providing offshore capital market services (and a global business platform) but also provides onshore clients with valuable cross-border capital market services (aligned with the mainland China government’s policies and commercial intentions);
• actively making use of Huatai Securities’ leading position, distribution network and customer base in mainland China;
• integrating on a global basis across many jurisdictions and regions, a successful and fully integrated international financial platform with innovative financial services solutions. Huatai International operates as a holding company for consolidating all of the group’s cross-border businesses and companies under one umbrella, offering a truly unified and international business platform. In recognition of such international strength, the renowned international rating agency Standard and Poor’s has assigned Huatai International a “BBB+” rating (for long term) and “A-2” (for short-term).

Job Description
To grow & build-up Huatai’s long-term international strategic and business initiatives covering functional areas spanning the front-to-back offices by implementing & supporting the market leading-edge technology platforms.
• Deploy, maintain, monitor and enhance security technologies such as Firewalls, IPS, Proxy, WAF, EDR, DDOS mitigation, Network Access Control.
• Responsible for the installation, monitoring, maintenance, support and optimization of network infrastructure.
• Conduct regular reviews and audits of firewall/proxy/WAF rules and configurations.
• Implement and maintain VPN solutions to ensure secure remote access for users.
• Monitor network performance and security, troubleshooting issues as they arise. Perform regular maintenance and upgrades to ensure network integrity.
• Perform vulnerability assessments and risk analysis to identify potential threats.
• Maintain accurate documentation of technical documentation, security policies, procedures, and incidents.
• Work with IT teams to ensure security measures are integrated into all aspects of the network.
• Provide technical guidance and mentorship to teammates, encouraging continuous improvement and knowledge sharing.
• Occasionally work in non-office hour on changes, maintenance and/or incident handling. Qualifications
• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• Minimum of 3
- 5 years of relevant experience in network security operation and design, implementation projects, and troubleshooting.
• Professional qualification on network and security (e.g. CCNA, CCNP, CEH, CISSP, CISM, CCSP, or similar) is preferred.
• Proven experience in firewall, VPN and network administration.
• Experience in other network security solutions (e.g. Proxy, WAF, EDR, DDOS mitigation, SIEM).
• Experience troubleshooting transport protocols (TCP/UDP).
• Experience with switching, routing and network protocols (e.g. spanning-tree, trunking, VPC, OSPF, BGP).
• Proficiency with networking and security products and solutions such as Fortinet, Checkpoint, Palo Alto, Zscaler, Sangfor, Imperva, Cisco, Huawei.
• Experience with network monitoring and management tools (e.g., SolarWinds, Wireshark).
• Good knowledge of automation skills e.g. Ansible, Python is a plus.
• Experience with cloud networking and security (AWS, Azure, Alibaba) is a plus.
• Familiar with ITIL IT Service Management framework.
• Fluent in written and speaking Cantonese, Mandarin and English.
• Strong analytical and problem-solving skills.
• Strong team player with excellent communication and interpersonal skills.
• Self-motivated and able to work under pressure and independently.