Maintains smooth operation of local area, worldwide, and virtual private networks (VPN). Plans, evaluates, designs, and coordinates installation and/or reconfiguration of hardware and software elements of data and/or voice communication network. Maintains technical expertise in all areas of networks and computer hardware and software interconnection and interfacing, such as routers, switchers, firewalls, hubs, bridges, gateways, etc. May propose solutions to management to ensure all communications requirements based on future needs and current usage, configuring such solutions to optimize cost savings. Prepares or ensures that appropriate network documentation exists, including operational instructions. Provides regular monitoring and network analysis regarding short- and long-range planning for in-house systems. May coordinate third-party maintenance for network equipment. May design network or portion of network that includes selection and recommendation of hardware and software packages.