Headline

Network Engineer | Cisco • Extreme • Aruba | Switching & Routing | 802.1X NAC | Wireless | Enterprise Networks

About

Network Engineer with hands-on experience managing and supporting multi-vendor enterprise networks including Cisco, Extreme Networks, HPE ProCurve, and Aruba. Strong expertise in Layer 2 & Layer 3 switching, VLAN design, trunking, STP, port channels (LACP/EtherChannel), and 802.1X Network Access Control (NAC) enforcement. Experienced in configuring, managing, and troubleshooting wireless access points across Extreme, Aruba, and Cisco environments, including SSID creation, VLAN mapping, RF optimization, and client issue resolution using ExtremeCloud IQ. Proficient in network performance monitoring and troubleshooting using tools such as Extreme XIQ Site Engine, SNMP, Syslog, Wireshark, and switch CLI, resolving issues related to packet drops, interface errors, loops, and link instability. Passionate about building secure, reliable, and scalable enterprise networks and continuously learning advanced networking and security technologies.

Location

Chennai

Work experience

Network Engineer at Networks, Nov 2024 - Present · 1 yr 9 mos, Bengaluru, Karnataka, India, Switching & Routing Configuring and troubleshooting Cisco Catalyst, Extreme, HPE ProCurve, and Aruba switches in multi-vendor enterprise environments Performing end-to-end switch provisioning: interface configuration, VLAN creation, trunking, LACP/EtherChannel, STP, and port security Troubleshooting Layer 2 and Layer 3 issues such as VLAN mismatches, STP loops, interface flaps, packet drops, and link aggregation problems Configuring inter-VLAN routing, static routing, and supporting routing protocols like OSPF (hands-on / lab experience) Conducting switch health checks including MAC/ARP table verification, spanning-tree validation, and uplink monitoring Performing switch upgrades, configuration backup & restore, and applying enterprise switching best practices Wireless & NAC Configuring and managing Extreme, Aruba, and Cisco wireless access points in enterprise environments Managing wireless networks using ExtremeCloud IQ including SSIDs, VLAN mapping, security policies, RF optimization, and AP health monitoring Integrating NAC with LDAP and Active Directory to implement 802.1X authentication Reduced unauthorized device access by 90% through port-based NAC enforcement Network Monitoring Monitoring and analyzing network performance using Extreme XIQ Site Engine, SNMP, Syslog, Wireshark, and CLI tools Optimizing RF environments by tuning channel, power levels, and minimizing co-channel interference Preparing daily/weekly performance reports and supporting capacity planning activities

Education

Master of Computer Applications, Bharathidasan University (BDU), Tiruchirappalli

Bachelor of Science, Alpine Group of Institute