Job DescriptionRole: Network Admin Location: Chennai Exp:4-12 Years Design, implement, manage, and optimize Cisco and Aruba wired and wireless network infrastructure across, data center, campus, and branch environments. Lead and support Cisco-to-Aruba migration projects , including planning, configuration migration, cutover execution, validation testing, and post-implementation support. Configure, troubleshoot, and maintain Cisco Catalyst, Cisco Nexus, Aruba Switches, Aruba Wireless Controllers, and Access Points (APs) . Configure and administer Cisco ISE and Aruba ClearPass for Network Access Control (NAC), 802.1X Authentication, RADIUS, TACACS+, Guest Access, and Policy-Based Access Management. Diagnose and resolve complex networks, wireless, routing, switching, and security-related issues. Desired Competencies (Technical/Behavioral Competency) Must-Have Hands-on expertise in Aruba OS, Aruba ClearPass, Aruba Central, Cisco Catalyst Switches, Cisco Nexus Switches, Cisco Wireless LAN Controllers (WLC), and Cisco Identity Services Engine (ISE) .



Strong understanding of advanced networking protocols and technologies including VLAN, STP, VPC, EtherChannel, LACP, VRF, HSRP, OSPF, BGP, and Spine-Leaf Architecture . Hands-on experience with Cisco ISE for Network Access Control (NAC), 802.1X Authentication, TACACS+, RADIUS, Guest Access, Device Profiling, Posture Assessment, and Policy-Based Access Control. Experience supporting Enterprise LAN, WAN, Data Center, Campus Networks, Wireless Infrastructure, and Branch Connectivity . Strong troubleshooting skills across wired, wireless, routing, switching, firewall, NAC, and network security environments . Good-to-Have 1. Advanced Network Management Robust hands-on experience with advanced networking technologies including VLAN, STP, VPC, EtherChannel, LACP, VRF, HSRP, Aruba VSX (Virtual Switching Extension), and Aruba VSF (Virtual Switching Framework). 2 Cisco ISE & Aruba ClearPass Integration Hands-on experience with Cisco IS

📌 Network Admin (Chennai)
🏢 Tata Consultancy Services
📍 Chennai