A network administrator is an IT expert who is responsible to manage an organization's network. In order to become a successful network administrator he/she must possess a high level of technological knowledge and is come under the highest level of technical staff within a given organization.

Responsibilities of a network administrator may vary between organizations, but the key areas to focus are on-site servers, software-network interactions as well as network integrity/resilience.

Companies implement new networking and communications technologies to gain a competitive advantage and leading to increased demand for trained and certified network administrators for installing, securing and optimizing the new systems.