KOS International Limited
Network Engineer/Admin (MNC, Inhouse)
10 days ago
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Important information
Contract type:
Permanent
Location:
Hong Kong Island, Hong Kong
Work mode:
Onsite
Published on:
14 October 2026
What they need
Overview
Our client is an international organisation seeking a Network Engineer/Admin to support its enterprise network and unified communications infrastructure across APAC. This is a hands-on role focused on troubleshooting, operational reliability and regional user support.
Responsibilities
- Provide day-to-day network administration and technical support across APAC locations, ensuring reliable connectivity and timely incident resolution.
- Troubleshoot complex routing, switching, wireless, firewall, VPN and voice-related issues, identifying root causes and implementing effective solutions.
- Administer and support Cisco Unified Communications Manager, resolving telephony and call-connectivity issues.
- Install, configure and maintain Cisco enterprise networking equipment and related infrastructure.
- Support LAN/WAN, internet circuits, MPLS, remote access and cloud connectivity.
- Monitor network performance, availability and capacity, proactively addressing issues before they affect business operations.
- Maintain firewall policies, network segmentation and security controls in line with internal standards.
- Work closely with regional users, global IT teams and external vendors on incidents, infrastructure changes and improvement projects.
- Maintain network documentation, configuration records and change-management procedures.
- Participate in firmware upgrades, vulnerability remediation, disaster-recovery testing and after-hours maintenance or incident support when required.
Qualifications
- Degree in Information Technology, Computer Science or a related discipline, or equivalent professional experience.
- At least 3 years of hands-on experience supporting enterprise networks in a multi-site environment.
- CCNA or CCNP certification and hands-on administration and troubleshooting experience with CUCM are mandatory.
- Strong troubleshooting skills across Cisco routing and switching, wireless networks, VPNs, firewalls and IP connectivity.
- Good command of spoken and written English, with the ability to communicate effectively with regional users and global IT colleagues.
- Solid understanding of L2-3 networking, VLANs, OSPF, BGP, STP, HSRP/VRRP, TCP/IP, DNS, DHCP and NAT.
- Experience with Cisco Catalyst, Nexus, Meraki or equivalent enterprise networking platforms.
- Good command of spoken and written English and Chinese (Cantonese/Mandarin).
Click "Apply Now" to apply for this position or call Sharon Tsu at [+852 3180 4950](tel:+852 3180 4950) for a confidential discussion. All information collected will be kept in strict confidence and will be used for recruitment purpose only.
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