TCS Is Hiring For Network Admin ( Cisco. Arista )Skill:-Network Admin ( Cisco. Arista )Exp:-6 to 8 yrLocation:- ChennaiJDMandatory SkillsExperience with Arista SwitchesExperience with Spine and Leaf Architecture, Routing Protocols – BGP ,OSPF, DMVPN, VLAN, VTP, STPExperience with Palo Alto Next Gen Devices and Firewalls Cloud and On PremiseExperience in administration of Infoblox for DDIExperience with Cisco Meraki SD WAN, MX, MS ,MR devicesExperience in Network Automation using Python or TerraformExperience in Datadog Monitoring and Vulnerability Remediation for Network Devices using Brinqa toolExperience in managing OOB Devices Raritan, Open GearJob Requirements*Experience in Cisco Routing & SwitchingHands-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 FirewallsHands-on experience with Infoblox to manage DDIDeep understanding of, TCP/IP, Routing & NAT, L7 security, Threat preventionStrong expertise in, Panorama, HA configurationProven 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 recent vlan and troubleshooting end user network issue- Firmware upgrade for Cisco, Arista devicesCisco Meraki- Monitoring and VPN configuration- Firmware upgrade- RMA Device replacementCisco TACACS/ISE- Adding & deleting devicesPalo-alto SD-WAN (Prisma ION 9000)- Configuration and traffic re-route- Firmware upgradeExperience in troubleshooting Enterprise infrastructure involving MPLS, EGP (BGP) and IGP (OSPF) protocols & Static configurationGood experience in Datacenter Network spine/leaf architecture & troubleshootingF5 Load balancer- Adding/Deleting nodes, VIP creation- SSL certificate update & renewal- Firmware upgradeFirewall (ASA / Palo Alto)- NAT, Policy creation, object-group- Firmware Upgrade- Security policy creation via TerraformInfoblox- DNS/DHCP creation and subnet allocationExperience in coordination tasks with service provider for link issuesExperience in working with Cisco for TAC and RMA supportExposure Data Dog and Cisco Meraki DashboardsParticipate 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 ) (Chennai)
🏢 Tata Consultancy Services
📍 Chennai