Pranai P

Senior Network Security Engineer @Norton Healthcare

Louisville, KY, US

Implemented and managed Palo Alto firewalls (PA-5220, PA-5450, PA-5410), ensuring PCI and SOX compliance while enhancing network visibility with App-ID. Enforced secure web access using FortiGate 1800F/200E/500E and centralized policies via Fortinet Security Fabric. Standardized Cisco FTD 2100 deployments using templates, optimized Cisco FMC event databases, and monitored Cisco Secure Firewalls (4245/4225) for threat detection and compliance.Deployed Prisma Cloud and Prisma Access for secure multi-cloud access and visibility, integrating AWS IAM, WAF, and Global Accelerator for secure app access. Managed security policies and micro-segmentation in Cisco ACI, supporting scalable, multi-tenant architectures. Implemented Cisco ISE for unified authentication across wired, wireless, and VPN users. Strengthened DNS with Infoblox DNSSEC.Enhanced app delivery using F5 BIG-IP Cloud Edition, LTM, and GTM, monitoring up to logs. Optimized Cisco Nexus switches and Fabric Extenders (FEX), performing NX-OS upgrades. Configured Cisco routers (8100, 8200, ASR 9K, 7600) for scalable, high-throughput routing. Automated firmware upgrades, backups, and audits using Ansible and Python, integrated with Git and CI/CD pipelines.Deployed Aruba SD-Branch for secure branch connectivity and managed Arista switches (720D, 710P, with VXLAN/EVPN. Implemented Zscaler ZIA/ZPA for secure internet and private app access, SSL inspection, DLP, and analytics. Managed L2/L3 protocols (VLANs, STP, HSRP, VRRP) and dynamic routing (OSPF, EIGRP, BGP), including redistribution and policy-based routing. Supported wireless with Aruba (MC, MM, LWAPs, ClearPass) and Cisco WLCs, including RF planning and intrusion detection.Built scalable LAN/WAN infrastructures using Cisco/Juniper, deploying VRF-lite, MPLS, HSRP/GLBP, and summarized routing. Automated and monitored networks via REST APIs and Ansible playbooks, reducing manual effort by 40% and ensuring consistency with IaC principles