This effort includes response and triage for critical network service disruptions / outages.), Network 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. Providing Network Engineering support such as, analyzing the network architecture based on metrics available from the Government's network management tools to identify modifications required to maintain optimum efficiency, developing and testing automated processes for generation of client software packages utilizing existing government tools, using the Master Station Log (MSL) to record and submit all work assignments that deal with C4IM customers, troubleshooting; DISA,, and commercial vendors, testing ICAN software prior to upgrading network devices (Switches & Routers) across the RNEC-NCR to include Fort Belvoir, JBMHH, Fort McNair, Fort Meade (SIPRnet), Fort Detrick (SIPRNet) and AP Hill, provides customer review, support and approval for Ports Protocol Services (PPS) for all Firewall implementations.