Akhila Gundekari

Network Security Engineer @Granite Telecommunications

Addison, TX, US

Deployed and maintained hybrid WAN connectivity using BGP across Cisco ISR 4431 routers and dual ISPs with automated failover.• Integrated AWS Transit Gateway with multiple VPCs to centralize routing and enforce consistent network security controls.• Configured and managed Palo Alto PA-850 firewalls in active-passive mode, implementing threat prevention, DNS sinkhole, and URL filtering.• Migrated firewall policies from Cisco ASA 5516-X to Palo Alto using Expedition tool and performed policy optimization.• Deployed FortiGate 100F firewalls for branch security, including VPN configuration, UTM profiles, and interface zone separation.• Designed VLAN segmentation across core and access switches (Cisco Catalyst 9300) to isolate IoT, guest, and corporate traffic.• Created and maintained IPsec VPN tunnels between Palo Alto firewalls and AWS VPN Gateway using IKEv2 with SHA256.• Implemented AWS security groups, NACLs, and route tables to control traffic flow between subnets and services.• Built NSG and ASG policies in Azure to micro-segment application tiers within Azure Virtual Networks.• Managed layer 3 inter-VLAN routing and HSRP on Cisco Catalyst 9500 switches, enabling high availability for user access.• Designed and deployed dual-homed redundant internet uplinks with intelligent routing based on prefix length and path health.• Supported Cisco WLC 5520 setup for enterprise wireless, with SSID segmentation, RADIUS integration, and guest portal configuration.• Tuned RF profiles and roaming thresholds for Cisco 2800 and 3800 series APs to improve coverage and client handoffs.• Used Wireshark 4.x and NetFlow data to troubleshoot intermittent latency and packet loss issues during peak hours.• Automated configuration backups and log retrieval for switches and firewalls using Ansible 2.12 and Python scripts.• Built documentation for all cloud connectivity diagrams, firewall rule matrices, and device onboarding processes using Visio and Confluence.

Vaagdevi College of Engineering

Bachelor of Technology - BTech

Oklahoma City University

Masters