Also known as computer network architects, network engineers work with a company's computer network, using information technology to make network systems for all employees to use. These data networks can include local area networks (LANs), wide area networks (WANs), intranets and extranets. Network complexity can vary depending on the organization, and the company may have one dedicated engineer or many globally connected engineers working together with the Chief Technology Officer. Network engineers must have skills to analyze where communications are going to be needed, create plans for the network, present it to senior management, be up-to-date on the latest technology, understand and determine the hardware and wiring needs for buildings.