Provide SME engineering services to design, configure, test, implement, and sustain STIG-compliant network and security architectures, including NAC (802.1x), reverse proxy and load balancing, web filtering, DNS/DHCP/IPAM, VPN, wireless/IDS, VDI support, VoIP/VTC/streaming, Check Point firewalls and MDM, NMS tool suites, MPLS architecture, SATCOM support, and DR/COOP planning; perform Tier IV troubleshooting and produce required technical documentation (ECRs, ITRs, NSOs, AARs, test plans/reports, and as-built diagrams). The individual in this role will provide support, analysis and research into exceptionally complex problems, and processes relating to the subject matter, with expertise in a particular area of Information Technology (e.g., Information Systems Architecture, Telecommunications Systems Design, Architecture, Implementation, Information Systems Integration, Software Development Methodologies, Security Engineering, Communications and Network Systems Management).