Virtual Drive Drive Date-18-Sep-26 Location-TCS - Chennai EXP-6-8 Skill-Network Admin ( Cisco . Arista )

Responsibilities

Familiarity with ITIL processes, ticketing tools, change and problem management. Routing & Switching - BGP configuration & Troubleshooting WAN links. Deploy recent vlan and troubleshooting end user network issue. Firmware upgrade for Cisco, Arista devices. Cisco Meraki - Monitoring and VPN configuration. Firmware upgrade - RMA Device replacement. Cisco TACACS/ISE - Adding & deleting devices. Palo-alto SD-WAN (Prisma ION 9000) - Configuration and traffic re-route. Firmware upgrade.

Experience in troubleshooting Enterprise infrastructure involving MPLS, EGP (BGP) and IGP (OSPF) protocols & Static configuration. Good experience in Datacenter Network spine/leaf architecture & troubleshooting. F5 Load balancer - Adding/Deleting nodes,



VIP creation. SSL certificate update & renewal. Firmware upgrade. Firewall (ASA / Palo Alto) - NAT, Policy creation, object-group.

Firmware

Upgrade - Security policy creation via Terraform. Infoblox - DNS/DHCP creation and subnet allocation.

Experience in coordination tasks with service provider for link issues. Experience in working with Cisco for TAC and RMA support. Exposure Data Dog and Cisco Meraki Dashboards. Participate in firewall design, deployments, and migrations. Ensure compliance with security standards and audit requirements. Review logs regularly to identify threats and recommend improvements.

📌 TCS IS HIRING FOR Network Admin ( Cisco . Arista ) (Chennai)
🏢 Tata Consultancy Services
📍 Chennai