Providing network and security support for the Departments information and communications technology infrastructure for voice, mobility, video, and data services across the enterprise, including technologies such as Software Defined Wide Area Network (SD-WAN), Local Area Network (LAN) and Wireless LAN topologies, Zero Trust Architecture (ZTA), Secure Access Service Edge (SASE), and Internet Protocol Version IPv4 and IPv6. 2. Customer Service - Works with clients and customers (i.e., any individuals who use or receive the services or products that your work unit produces, including the general public, individuals who work in the agency, other agencies, or organizations outside the Government) to assess their needs, provide information or assistance, resolve their problems, or satisfy their expectations; knows about available products and services; is committed to providing quality products and services.