Owns or governs administration, configuration, optimization, and lifecycle activities for enterprise Network Security platforms, including firewall policy management, high-availability design, firmware upgrades, secure web gateway policies, web application firewall tuning, SD-WAN security, SIEM integration, and automation integration where applicable. Leads architecture and technical design for firewalls, secure web gateways, web application firewalls, SD-WAN security, network segmentation, Internet and intranet security, cloud connectivity security, and related Network Security platforms.