As a network engineer in Washington, D.C., you will be in the heart of the country and the IT industry. The duties of someone in this role are wide-ranging and can be very complex. Putting it simply, a network engineer is responsible for building and maintaining the daily operations of an organization’s computer networks, including an intranet, extranet, wide area network (WAN), and local area network (LAN). However, there isn’t a typical day for a network engineer, and you never know what will come up.