Almost every enterprise or firm, regardless of size and direction of activity, uses computers. To maintain them in working order, a system administrator is needed, since modern users, unlike users at the dawn of computerization, most do not understand their device.
IT specialists appointed to the position of a system administrator must have the appropriate specialized education, experience in the repair and maintenance of computer systems and office equipment, experience in installing and debugging software, know network protocols and be able to build and debug local networks.
Specialization
Depending on the type of activity and the size of the enterprise, the responsibilities of the system administrator and the knowledge he needs can vary greatly. In small firms, this is one person who has to deal with all the problems that arise. Large enterprises have entire departments, where each specialist works to solve specific problems.
Until 2000, there were no educational institutions teaching the profession of a system administrator.
- network administrator - development and maintenance of local networks. Knowledge of network protocols and network design is required;
- database administrator - it is necessary to know the languages of the operating systems on which the databases work, protocols and the structure of the database;
- server administrator - in a hosting company, he is engaged in installing software and maintaining the hardware of the server economy. Knowledge of relevant programs and protocols is required.
Duties
The main responsibilities of a system administrator are as follows:
- installation and debugging of software - programs are installed and modified for specific tasks. It is also necessary to monitor the availability of updates and install them in time, monitor the system's performance after their installation;
- timely repair and modernization of computers and office equipment - the system must correspond to the tasks being performed, quick diagnostics and troubleshooting should contribute to this;
- solving problems to ensure network security - install anti-virus and other security programs and monitor their updates. Prevent unauthorized access and hacker attacks;
- restoration of the network operability after failures and illegal actions - it is necessary to make a backup in order to quickly restore the system operability in case of fatal failures;
The most common breakdown is liquid spilling onto the computer keyboard.
- setting up a local network and ensuring its regular operation - the normal operation of a modern enterprise depends on the reliable operation of the local network and all its components. Therefore, the timely elimination of failures and disruptions in the network becomes a top priority;
- consultation, assistance and training of employees to work with software and a local network - for the normal course of the work process, it is necessary to quickly solve emerging difficulties and problems of users, who are often unable to independently solve even elementary issues.
