Walkin Network Security / Data Security L3

Greetings from TCS Walkin with TCS for Network Security / Data Security L3 role Exp : 6 to 10 years Location : Chennai Interview Mod e: Walkin Interview Date : 13 Jun (Sat) Interview Venue : Tata Consultancy Services , Kumaran nagar , Sholinganallur - Chennai Job Description: Administer and support enterprise LAN/WAN network infrastructure. Configure and manage firewalls including security policies, NAT, and access control rules. Implement and troubleshoot routing protocols such as BGP, OSPF, and static routing. Manage Layer 2 and Layer 3 switching including VLANs, trunking, STP, port-channels, and vPC. Support Cisco ACI fabric using APIC for configuration and monitoring. Configure and manage EPGs, contracts, policies, VLAN pools, and physical domains in ACI. Implement and support L3Out connectivity to external networks and firewalls. Monitor and troubleshoot network performance, latency, and availability. Execute network changes, upgrades, and migrations as per approved change process...