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Network Security Engineer with 5+ years of experience in designing, implementing, securing, and troubleshooting enterprise network infrastructures. Strong expertise in Routing & Switching, Network Security, LAN/WAN, SD-WAN, VPN technologies, and network optimization. Hands-on experience with multi-vendor security solutions, including Cisco ASA, Cisco Firepower (FTD), Palo Alto, Fortinet, Check Point, Sophos, and pfSense firewalls. Skilled in firewall deployment, security policy management, IPS/IDS, NAT, site-to-site and remote-access VPNs, network segmentation, and access control. Experienced with Cisco ISE, Network Access Control (NAC), vulnerability assessment, security auditing, and network discovery using Nessus and Nmap. Additionally, proficient in Active Directory, Windows Server administration, and enterprise infrastructure support, with a proven ability to deliver secure, scalable, and highly available network environments. Email: [email protected] WhatsApp: +92-333-5558121