You will be working side by side with the network core team in ensuring network availability and serviceability for a secure, resilient and stable distributed environment. Your primary responsibility is to support and maintain the network access layer for our enterprise networks. You will manage access to the wired and wireless networks; ensuring last-mile connectivity for multiple locations. In addition, you will also manage the network communications rooms at these locations; providing cabling interconnect services for structured cabling, and liaising with Facilities Management to ensure uninterrupted power and cooling delivery to the rooms. You may be called upon to support certain network functions in the Data Centre.
This is a 24 x 7 job scope and you will be required to work at scheduled after-office hour maintenance activities and respond to ad-hoc unscheduled events.
Job Scope:
Manage wired and wireless network access infrastructure; and support Data Centre network operations
1. Administer and support network infrastructure including network routers, switches, wireless access points, WLAN controllers, AAA servers and encryptors
2. Respond and diagnose tickets related to network access and performance issues
a. Service and close support tickets to relocate or add client endpoints' wired network access
b. Service and close support tickets to resolve client endpoints' wireless access
3. Troubleshoot, triage and resolve client endpoints' 802.1X authentication/authorization access issues and escalate, if necessary, L2 and L3 issues
4. Monitor availability of network access and provide immediate response and/or investigation to system alerts
5. Troubleshoot and assist with root cause analysis of incidents replacing failed network components
6. Support and perform routine automation tasks to ensure compliance for secure configuration, configuration backup management and routine firmware upgrades/updates
7. Manage operational activities and implement changes
8. Track network equipment support lifecycle, procure and support refresh activities to project closure and payment
9. Track equipment maintenance support agreements and telco circuits contracts, procure contract renewal and make payment
10. Support project teams in the delivery of wider IT servicesInventory and Documentation
11. Create and maintain clear and concise documentation of the environment
12. Maintain up-to-date documentation on rack layout and cabling interconnects
13. Manage and maintain up-to-date inventory control
14. Perform periodic inventory audits and review
15. Adhere to organisation procedure to retire obsoleted equipment
Requirement:
• Diploma or Degree holders with 1 to 2 years of working network experience in management of LAN and WAN environment
• Preferably with formal technical certification such as Cisco CCNA
• Experience in scripting and programming with network automation tooling on Ansible, Python, Terraform, GitLab is a plus
• Strong customer service orientation with good communication skills
• Self-motivated with attention to details
• Ability to work independently and effectively in a team environment
Good to have:
1. TCP/IP, Ethernet, VLAN, Spanning Tree, 802.1X, HSRP/VRRP, 802.11x Wi-Fi
2. static routes, OSPF, EIGRP
Good working knowledge and hands-on experience in network administration and support of
3. Cisco routers and switches
4. Cisco Wireless Access Points
5. Cisco Wireless LAN Controllers
6. Cisco ISE (Identity Service Engine)
7. Network monitoring solutions such as CheckmK
8. WAN and Internet access services
