Network Administrator: What is this job? The network administrator ensures the proper functioning of telecommunications systems through which the different sites or offices of a company exchange information. He intervenes in case of technical problem. It is he who receives and installs the computer and telecommunications equipment ensuring compatibility and reports malfunctions to the telecom engineer and networks. The generalization of local computer networks, the development of the Internet and electronic commerce open new perspectives for this business. https://www.fieldengineer.com/skills/what-is-a-freelance-network-administrator/