Computer network technicians establish, operate, maintain and co-ordinate the use of local and wide area networks (LANs and WANs), mainframe networks, hardware, software and related computer equipment. They set up and maintain Internet and intranet Web sites and Web-server hardware and software, and monitor and optimize network connectivity and performance. They are employed in information technology units throughout the private and public sectors. Supervisors of computer network technicians are included in this unit group.
Information Technology (IT) network technicians help computer users network. They help people use computer applications and operating systems software. They also install, configure, and maintain client workstations and network servers connected by a local area network.