• Design, implement, and operate next-generation firewall and web security proxy solutions, ensuring secure, high-availability network operations across data centers and nationwide field locations • Design, implement, and maintain Palo Alto Networks next-generation firewall solutions, including security policies, NAT, VPNs, threat prevention, URL filtering, and decryption • Engineer and support Cisco routing and switching infrastructure across LAN/WAN environments • Design and maintain secure network architectures incorporating firewalls, web proxies, VPNs, and access control technologies • Deploy, configure, and support McAfee Web Security Proxy (Web Gateway) to enforce web filtering, malware protection, and acceptable use policies • Integrate firewall and proxy solutions with authentication systems (Active Directory, LDAP, RADIUS, TACACS+) • Monitor security platforms for threats, performance issues, and policy violations • Analyze logs and alerts to identify security incidents and implement mitigation strategies • Perform configuration reviews, rulebase optimization, and security hardening