It can be complex to talk about the functions of a system and network administrator since they can be several and very diverse depending on the position and the new technologies that are appearing. This professional is a key piece in any company or organization since they are the ones in charge in the day to day of the security, the quality and the correct operation of all the computer network and the services that are offered, besides the maintenance.
As part of his main competences, the administrator of networks, communications and systems is in charge of organizing, installing and giving support to the computer system of an organization assuring the correct functioning of the internal and external computer networks, according to the levels of operational service and security that are established.
Some of the tasks commonly performed by this professional are:
Determine what the organization's needs are in terms of networks and computer systems prior to their assembly.
Design and Install all hardware and software networks, in addition to performing necessary upgrades and repairs.
Configuring and maintaining the security of networks and computer systems, as well as ensuring that all systems operate correctly
Collect data in order to be able to evaluate network or system performance and make the necessary adjustments to make it work better and faster.
Add users to the network and assign and update network security permissions
Train users in the proper use of software and hardware
Diagnosis of problems and execution of corrective actions according to the nature of the problem
Monitoring the performance of internal networks and connections to external networks.
Keeps a record of the operation, maintenance, repairs, problems, updates of the organization's networks and external connections.
Control of stock of equipment, parts and accessories, coordination with suppliers and internal staff to ensure an efficient purchasing process.
Update on the technological and management novelties related to the area.