Professional level knowledge of routing and switching equipment, LAN topologies, network protocols, wireless LAN systems (Cisco wireless a plus), data center networks, and Voice & Video technologies and services (VoIP, PBX, voice mail, voice recorders, phones, IVR, video conferencing systems, and satellite). Headquartered in Akron, Ohio, FirstEnergy includes one of the nation''s largest investor-owned electric systems, more than 24,500 miles of transmission lines that connect the Midwest and Mid-Atlantic regions, and a regulated generating fleet with a total capacity of 3,780 megawatts.