Engineers support long haul communication for Fort Belvoir, Fort AP Hill, Joint Base Myer Henderson Hall, and Fort Meade network system, including the WAN, SONET links and connectivity, fiber and Ethernet cabling, and other infrastructure components to include frame, patch panels, multiplexers (Edge links, Access-T), hubs, routers, switches, concentrators, firewalls, SONET multiplexers, cable management systems and other network enhancements down to the Edge Access Switch level, using the Master Station Log (MSL) to record and submit all work assignments that deal with C4IM customers, troubleshooting; DISA, and commercial vendors, using Remedy ticket submissions for all work assignments that deal with customers in support of ensuring all responses to critical and Very Important Person (VIP) tickets are accomplished upon notification from appropriate Government authority during afterhours operations, supporting the installation of new/modified hardware, operating systems and software applications ensuring integration with DISA and Regional IA compliance, provides Communication Security (COMSEC) support to DISA and RNEC-NCR customers by picking up, keying, rekeying, Over the Air Rekey (OTAR), deleting, inventorying and documenting COMSEC material and COMSEC devices to including KIV-7 (Family), KG-175 bracket family and Secure Terminal Equipment (STE), accomplishing capture design and configuration for COMSEC devices; performing software upgrades per National Security Agency (NSA), RNEC-NCR KMI Operating Account Manager (KOAM) and RNEC-NCR Security Manager Guidance (See DD Form 254 for COMSEC access requirements), serving as Communications Security (COMSEC) couriers and hand receipt holders/couriers responsible for signing and accounting crypto-keying material; maintaining inventories and controlling the use of keying material; troubleshooting, operating, performing (OTAR), Quarterly/annual and monthly Cryptographic key updates, maintaining/managing software and application configurations and configuration reporting, installing security patches to protect against information assurance (IA) vulnerabilities, implementing procedures to ensure only approved personnel have access to the Fort Belvoir network, and installing Government Public Key Infrastructure (PKI) server side certificates and implementing Secure Sockets Layer (SSL) and other secure methods of data transmission including support to the VPN and VPN servers, CITRIX and Structured Query Language (SQL) servers. Successfully completing equipment installations, movements, additions and changes, such as accomplishing these actions to maintain the network ICAN infrastructure including hubs, routers, switches, concentrators, firewalls, virtual private networks (VPNs), SONET multiplexers, servers, storage area nodes (SANs), cable management systems and other network enhancements down to the Edge Access Switch level, supporting NIPRNET Internet and web access, establishing communication links capable of providing required bandwidth to support effective and efficient connectivity and digital communications between Fort Belvoir and offsite Government facilities, implementing/maintaining software and application configuration management and configuration reporting, installing/updating anti-virus software and anti-virus signature files on all assigned assets, installing security patches to protect against information assurance (IA) vulnerabilities, implementing/applying procedures to ensure only approved personnel have access to the Fort Belvoir network, and installing Government Public Key Infrastructure (PKI) server side certificates and implement Secure Sockets Layer (SSL) and other secure methods of data transmission including support to the VPN, VPN servers, CITRIX, and Structured Query Language (SQL) servers.