Verizon Federal Network Systems

http://www.verizon.com/fns

1300 N. 17th Street Suite 1200 Arlington, VA 22209 United States

FNS provides worldwide operations, maintenance, engineering and network security support to the SIPRNET, NIPRNET, and ATM networks at DISA for the Defense Data Network/Defense Information Systems Network (DDN/DISN). Verizon FNS network specialists also provide network and security operations, maintenance, engineering and transition support services for the Treasury Department's Treasury Communications System (TCS), including technical troubleshooting, network expansion planning, and hardware and software maintenance support.