TCS Is Hiring For Network Admin ( Cisco . Arista ) Skill:-Network Admin ( Cisco . Arista ) Exp:-6 to 8 yr Location:- Chennai JD Mandatory Skills Experience with Arista Switches Experience with Spine and Leaf Architecture , Routing Protocols – BGP ,OSPF, DMVPN, VLAN, VTP, STP Experience with Palo Alto Next Gen Devices and Firewalls Cloud and On Premise Experience in administration of Infoblox for DDI Experience with Cisco Meraki SD WAN , MX , MS ,MR devices Experience in Network Automation using Python or Terraform Experience in Datadog Monitoring and Vulnerability Remediation for Network Devices using Brinqa tool Experience in managing OOB Devices Raritan , Open Gear Job Requirements* Experience in Cisco Routing & Switching Hands-on experience with DMVPN, IPsec, OSPF and EIGRP. Expertise in Arista Switches and Enterprise wireless technologies. Solid understanding of TCP/IP, QoS, multicast, SNMP, and network fundamentals. Hands-on experience with Palo Alto NG Devices and Firewalls Hands-on experience with Infoblox to manage DDI Deep understanding of, TCP/IP, Routing & NAT, L7 security, Threat prevention Solid expertise in, Panorama, HA configuration Proven experience managing critical incident escalations. Familiarity with ITIL processes, ticketing tools, change and problem management.



Key Responsibilities* Routing & Switching - BGP configuration & Troubleshooting WAN links - Deploy new 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.

📌 Network Admin ( Cisco . Arista ) (Tamil Nadu)
🏢 Tata Consultancy Services
📍 Tamil Nadu