Configure, maintain, and troubleshoot network and communications technologiesincluding routers, switches, firewalls, VPNs, segmentation, encryption systems, secure remote access, and fiber/copper connectivityand provide advanced support for network, integration, cybersecurity, and system-administration issues. Responsibilities: Lead the design, implementation, testing, sustainment, and modernization of secure, scalable LAN/WAN and communications infrastructure, translating program requirements into architecture designs, technical specifications, configuration baselines, and implementation plans.