packet capture , Tcp Ip, Dns, Ips, Firewalls, routing, Vpn, Ids, Siem, Proxies, Tls, Python, Apis, BGP, switching, ZTNA, SASE, Segmentation, NDR, SWG, KQL, network-flow analysis, firewall policy governance, next-generation firewalls, protocol analysis, infrastructure-as-code, Zero Trust, enterprise network architecture, SD-WAN