Planning and delivery of enterprise firewall migration programs from Cisco ASA, Cisco Firepower and Fortinet platforms to Palo Alto NGFW. Assessment of existing firewall environments and migration risks; development of target architecture and migration strategy; transformation and optimization of firewall rulebases; configuration of security policies, NAT, routing and VPN connectivity; migration validation and testing; troubleshooting during cutover; post-migration policy optimization and operational handover.

Architectural ownership of complex enterprise Palo Alto NGFW environments supporting up to 32 Virtual Systems per firewall. Design of multi-tenant security architecture for strict traffic isolation, regulatory separation and scalable service delivery; centralized firewall governance through Panorama; security policy hierarchy and configuration baseline design; User-ID integration; Log Collector architecture; segmentation, routing and VPN concepts; troubleshooting and optimization of complex traffic flows.