Network Specialist IV provides the most senior tier of technical network engineering support, holding mastery-level expertise across enterprise network technologies, structured as remote Enterprise, Europe Regional, or Pacific Regional lead roles. Mastery of routed, switched, and shared LAN environments operating current supported versions of Microsoft OS, Windows Active Directory, UNIX, and OpenVMS, and employing routers, switches, and terminal servers, as well as local and long-haul WAN connectivity.