Venkata Gudipati

Senior Network Security Engineer @Citizen Bank

Johnston, RI, US

Specialized in troubleshooting firewall and ACL-related connectivity issues across complex enterprise networks. Led the design, installation, and configuration of Checkpoint, Cisco ASA, Juniper, and NetScreen firewalls, along with implementing ACLs and firewall filters on Cisco and Juniper routers. Handled end-to-end troubleshooting of MPLS circuits, IPSec VPNs, and SSL VPN connections, including their deployment across Checkpoint and Juniper NetScreen VPN appliances. Configured VPN domains and encryption algorithms to secure communication channels. Monitored alerts and usage metrics for firewalls, VPN boxes, FreeRADIUS, and Websense using advanced network security management tools such as Indeni, nCircle, EM7, Gigamon, and Aruba.Managed web content gateways including Blue Coat and Websense to enforce secure browsing policies. Worked with Active Directory for user group management and policy updates, and configured Cisco NAC and Cisco ISE for endpoint authentication and authorization using PEAP and EAP-TLS protocols. Supported real-time alert handling for intrusion prevention systems (IPS/IDS) like FireEye and Sourcefire, ensuring rapid mitigation or escalation to avoid data center or server downtime. Played a key role in managing over networking devices across global teams, ensuring seamless collaboration and fast incident resolution.Handled a wide range of tickets using JIRA, CM, SC, and SR tools within SLA deadlines. Developed and maintained a knowledge base for known issues and solutions, authored SOPs for security operations, and documented work procedures and progress logs for training and audit purposes. Fostered team productivity by mentoring peers, sharing best practices, and ensuring smooth daily operations in a high-demand network security environment.