Analysis Skills, Awk, DNS (Domain Name System), Data Analysis, Ethernet, HTTPS (HyperText Transport Protocol Secure), IP Multimedia System (IMS), Identify Issues, Internet Protocols, Linux Operating System, Local Area Network (LAN), Problem Solving Skills, REST (Representational State Transfer), SIP (Session Initiation Protocol), SOAP (Simple Object Access Protocol), Scripting (Scripting Languages), Security Assertion Markup Language (SAML), System Architecture, Unified Communications, VLAN (Virtual Local Area Network), Web Services, Wide Area Network (WAN), tcpdump