Senior Network Manager (Group Tech Operations)


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Job Summary

Job Type


Years of Experience
At least 5 years

Tech Stacks
Google Cloud
Windows Server

Job Description

  •  To develop, lead, manage and motivate a competent IT team (internal staff and outsourced) to ensure ongoing and continuous operations of network infrastructure for the Global / Corporate organization including Business Units, Regional and the branches. The network infrastructure shall include, but not limited to, structured cabling (Fiber Optic OM3/OM4, UTP Cable Cat 5e / Cat 6, multi-pairs), office networks (HQ / Branches), wide-area-network, telephony services, data centers and wiring closets.
  • Responsible for the day-to-day operating stability, performance, efficiency and security of the organization’s IT network. The team shall assess system data and error logs, check for irregularities and performance issues, along with user reports, to determine areas for capacity planning, improvement or repair. You may also introduce new tools and methods to monitor the network, streamline or automate processes to ensure that it remains stable, usable and secured.
  • Responsible to respond to IT security alerts and incidents, and remediate the issues immediately. When the issue is too difficult or is a chronic problem, the team is to follow through with escalation to the vendors or subject matter experts till closure.
  • To work with the local and regional IT Teams (stakeholders) based on the tasks, service requests, incidents, and change requests based on approved policy and architectural guidelines.
  • To participate in audit exercises, whether internal or external, and ISO certifications, and to rectify any findings or audit points appropriately and timely.
  • To provide support and guidance to the GTO Operations Centre by handling escalations, monitoring the performance of business-critical systems to prevent delays and outages, and quickly resolving ongoing issues. You may also develop guides for users and helpdesk agents, such as FAQ documents or troubleshooting guides, etc.
  • To maintain proper documentation of IT inventory and develop IT processes and standards.
  • Required to standby 24/7 and expected to be activated upon after the normal business day when needed.

Qualifications and Required skills:
  • Degree in Computer Science, Computer Engineering or equivalent.
  • Minimum 5 years of experience in network support and operations.
  • Highly self-motivated and directed, with keen attention to detail, effectively prioritize task when under pressure, and experience working in a team-oriented and collaborative environment.
  • Strong interpersonal, written and oral communication skill.
  • Mandatory technical certification e.g. CCNP, Fortinet NSE.
  • Mandatory hands-on experience for structured cabling.
  • Mandatory hands-on knowledge experience in network devices such as Router, LAN Switch, Wireless LAN, Firewall and Windows servers.
  • Deep knowledge of networking protocols: TCP/IP, IPv4, IPv6, BGP, OSPF, ARP, ICMP, DNS, HTTP.
  • Intermediate knowledge of IP networking, VPN's, DNS, WINS, load balancing and firewalling concepts.
  • Intermediate knowledge of system and network security best practices including governance.
  • Preferably with experience to support the network infra for call centre environment.
  • Preferably with experience on SIEM (e.g. Securonix, LogRhythm, Spliunk, etc)
  • Preferably with knowledge to manage Data Centre with more than 30 racks.
  • Preferably have working knowledge of major Cloud platforms provider such as VMware vCloud, Amazon AWS, Google Cloud, Microsoft Azure, IBM SoftLayer, etc.
  • Preferably with 2 years of relevant experience with project management skills.
  • Preferably have technical certification e.g.  CDCD/CDCP, ITIL, CISSP, PMP.


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