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Grey Anderson Limited

NETWORK ADMINISTRATOR, 1 YEAR RENEWABLE CONTRACT

Grey Anderson Limited
Hong Kong
Fresher
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Job Description

Job Description :

Key Responsibilities:

  • Design, implement, administer, and maintain the core enterprise network infrastructure (LAN/WAN) to ensure optimal performance, security, and reliability.
  • Provide technical oversight and support for a complex multi-site WAN, including planning for expansion, maintenance, and troubleshooting.
  • Configure, manage, and support key network devices including firewalls (policy management), routers, switches, VPNs (IPsec & SSL), and WAN circuits.
  • Proactively monitor network performance and availability using advanced tools, implementing timely remedial actions to minimize impact.
  • Develop and maintain comprehensive documentation for network architecture, configurations, and procedures.
  • Ensure all network changes follow strict company change management and compliance procedures.
  • Provide expert-level infrastructure support and generate relevant reports for management.

Qualifications & Skills Required:

  • Bachelor's degree in Information Technology, Computer Science, or a related discipline is preferred.
  • Proven hands-on experience in a Network Administrator role, preferably within the financial services or another highly regulated industry.
  • Strong technical expertise in configuring and managing:
    • Firewalls: Fortinet, Palo Alto (policy setup, maintenance).
    • Switching & Routing: Cisco platforms (VLAN provisioning, routing protocols).
    • Network Protocols: In-depth knowledge of TCP/IP, spanning-tree, and dynamic routing protocols.
    • VPN Technologies: IPsec and SSL VPN.
  • Experience with WAN circuit management and network monitoring tools.
  • Ability to work both independently and collaboratively as a strong team player, with a passion for sharing knowledge.
  • Excellent problem-solving skills and a commitment to best practices in network administration.

Highly Desirable Experience:

  • Hands-on experience with F5 load balancers, Imperva, and VOIP systems.
  • Professional certifications (e.g., CCNA/CCNP, PCNSE, NSE).
  • Experience in designing and deploying network infrastructure projects.

More Info

Job Type:
Permanent Job
Industry:
Recruitment/Staffing/RPO
Function:
Information Technology
Employment Type:
Full time

About Company

Grey Anderson Limited

Grey Anderson is a specialist recruitment consultancy dedicated in Information Technology, Sales & Marketing and General Management. We provide the highest level of professional service to meet your recruitment needs and to achieve your business goal in the ever-changing business environment.


At Grey Anderson, we strive to exceed your expectations at all times with our strong network and expertise in the industries. Whether you are looking for a permanent or contract position, we will always be able to identify the best-suited candidate to add to the success of your business. Our recruitment services cover industries including Information Technology, Telecommunication, Luxury Goods, Consumer Products, FMCG, Media, Supply Chain, Healthcare, Tourism, Property, Financial Services, Professional Services, Consultancy as well as Utilities spreading over across Asia Pacific.
We appreciate not only the business with you, but also the business that you are running. We value not only the long-term partnership with you, but also your relationship with your people. We believe not only in placing the best and brightest talent, but also the opportunities they bring to help you achieve your goals and succeed in the market.

Job ID: 138187039

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Last Updated: 07-01-2026 00:32:06 AM
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