Senior Network & Security Analyst - Toa Payoh

• Responding to network event and incident escalations from the first-level support Service Desk, internal/external clients and business partners
• Performing root cause analysis with vendor engineers and escalation teams for major incidents and recurring problems, and implementing permanent solutions
• Managing the team's ServiceNow incident/problem/change ticket queues in accordance to established SLAs
• Execution of network and security infrastructure configuration changes across the global enterprise
• Performing audits for consistency in Network Management Systems, documentation, and configuration
• Creating/improving support documentation and ensuring shift reports are documented and kept up-to-date for major network-related outages
• Participate in 24 x 7 on-call rotational shifts including evening and night shifts.
• Participating in meetings and training sessions to review and understand new technology and service deployments

What do you need to succeed?

• Excellent understanding of TCP/IP, including packet inspection/protocol analysis using packet analyzers for troubleshooting is highly desired
• Solid understanding and troubleshooting capability of L2/L3 protocols (ARP, HSRP, VRRP, STP, BGP, VRF, OSPF, VPC) in a Cisco environment
• Good understanding of application protocols such as DNS, DHCP, HTTP, FTP, TLS, etc.
• Knowledge of security concepts such as NAT/PAT, IPSEC, SSL, DDoS, IP Spoofing etc.
• Excellent understanding of the OSI model
• Experience working with the following network and security appliances/vendors
• Fluency in programming languages and automation tools (Python, Ansible, etc.) is considered an asset

• Sound understanding and working knowledge of Cisco UCS, FCoE, VSAN, VDC, vPC, VXLAN, Cisco ACI, VMware is considered an asset
• College diploma or University degree related to Information Technology, with a focus on Telecommunications
• CCNP R&S/DC certification or equivalent level of knowledge