I have over 15 years of experience in network security, routing & switching, and network design. My expertise includes a wide range of Cisco technologies, such as Catalyst switches, routers, ASA, ASA-X Series, and Firepower, especially in large-scale environments.I have strong experience in managing and troubleshooting complex networks, firewalls, and security products. My work involves maintaining and improving routing, switching, and network infrastructure services, as well as designing and implementing networks based on Cisco solutions.Key Specializations:Cisco Route & SwitchCisco VPN (Site-to-Site, Remote Access), DMVPN Nexus (VPC)Cisco Firewalls: ASA-ASAx with Firepower-FTD (HA, Cluster, Multi-Context, VPN, IPS/IDS, IPsec, Anyconnect, Correlation) Cisco ISE: (Radius, Tacacs, Decice Admin, Posture) Fortinet: (IPS, VDOM, VPN) PaloAlto Firewall Mikrotik Routers Microsoft Services: (Actice Directory, DNS, DHCP, CA) LinuxAzure Cloud AWS CloudTerraform