The terms network administrator, network specialist, and network analyst designate job positions of engineers involved in computer networks - the people who carry out network administration.
Network administrators are the network equivalent of system administrators: they maintain the hardware and software that comprises the network.
This normally includes the deployment, maintenance and monitoring of active network gear: switches, routers, firewalls, etc. Network administration commonly includes activities such as network address assignment, assignment of routing protocols and routing table configuration, maintenance of file servers, intrusion detection systems, etc.
network specialists and analysts concentrate on the network design and security, particularly troubleshooting and/or debugging network-related problems.
They also perform network management functions including: