Senior Enterprise Network Architect - SD-WAN & Security

ASK IT LIMITED

Hong Kong

On-site

HKD 420,000 - 780,000

Full time

3 days ago

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Job summary

ASK IT LIMITED in Hong Kong is hiring a Network Specialist responsible for architecture planning, configuration, maintenance and tier-3 support of enterprise network and security infrastructure across campuses, data centres and multi-cloud environments.

You will design and implement enterprise routing, switching, WLAN, SD-WAN and firewall infrastructure, monitor performance, apply patches, enforce ZTNA and regulatory standards, and coordinate with cloud teams and vendors to ensure high

Qualifications

Bachelor's degree in CS/IT/Engineering or related discipline.
5+ years of hands-on enterprise network design, administration, and troubleshooting in large orgs.
Strong knowledge of routing, switching, firewall and security solutions.

Responsibilities

Design, implement, configure, and maintain enterprise routing, switching, wireless LAN, SD-WAN, and firewall infrastructure across offices and data centres.
Monitor network performance, capacity, and integrity; perform health checks, firmware upgrades, and patch management.
Act as escalation point for complex network incidents; conduct RCA and implement recovery plans to minimize downtime.
Enforce network security policies, ZTNA, and regulatory compliance.
Collaborate with cloud engineers to architect secure hybrid cloud networking (AWS Direct Connect, Azure ExpressRoute, transit gateways).
Manage third-party vendors to ensure SLAs during rollouts and maintenance.
Maintain network documentation, diagrams, SOPs, and DR runbooks.