Network Engineer

Manage wired and wireless network access infrastructure; and support Data Centre network operations.

Responsibilities:

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:
1. Service and close support tickets to relocate or add client endpoints' wired network access.
2. 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 services.

Manage Network Comms Rooms at sites and Data Centres:

1. Standardise and provision cable interconnects for network access and Data Centre.
2. Respond and attend to alerts to resolve UPS and PDU faults.
3. Work with contractors to replace faulty rackmount UPS and PDU for Network Comms Rooms.
4. Interface and coordinate with Facilities Management for M&E issues (air-con, electrical, fire safety) for Network Comms Rooms.
5. Escort external vendors/contractors for network related activities.

Inventory and Documentation:

1. Create and maintain clear and concise documentation of the environment.
2. Maintain up-to-date documentation on rack layout and cabling interconnects.
3. Manage and maintain up-to-date inventory control.
4. Perform periodic inventory audits and review.
5. Adhere to organisation procedure to retire obsoleted equipment.

Requirements:

• Singaporean only.
• 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 working knowledge of networking protocols on:

• TCP/IP, Ethernet, VLAN, Spanning Tree, 802.1X, HSRP/VRRP, 802.11x Wi-Fi static routes, OSPF, EIGRP.

Good working knowledge and hands-on experience in network administration and support of:

• Cisco routers and switches.
• Cisco Wireless Access Points.
• Cisco Wireless LAN Controllers.
• Cisco ISE (Identity Service Engine).
• Network monitoring solutions such as CheckmK.
• WAN and Internet access services.