An administrator is defined as the person (or program ) responsible for optimizing and controlling existing resources among several users, that is, managing . Although there are different types of administrators (farms, real estate..), when we talk about computers we usually talk about systems administrator.

A system administrator is therefore responsible for installing or maintaining a system composed of several computer components, in optimal operating conditions for its correct use by users of these. For this, it must monitor the state of the system periodically, perform maintenance and repair tasks, purchase new elements, updates, security, equipment and network configuration ... etc.
This work, which was generally reserved for the user, then a technically qualified person does it, thus allowing to free the first of these tasks, gaining time and also effectiveness and security as a whole. The systems administrator is indispensable in a company that uses a computer network for its daily work, freeing workers from tasks for which they may not be trained.

The rapid and continuous evolution of new technologies, the consumerization and the digitization of employee data are completely changing the role of the systems administrator within the company. No day is the same as the next for them.

The daily tasks of a systems administrator are complicated and fundamental for the day to day of the company. They must be constantly informed about the latest technologies to solve any IT crisis that may occur.

Although any employee may think that the only function of a systems administrator is to fix the computer problems that may exist, their daily activities are more complex and necessary for the success of any company . They are undoubtedly the core of today's business world.

Network administrators are basically the network equivalent of system administrators: they maintain the Hardware and Software of the network. This includes the deployment, maintenance and monitoring of the network gear: Switches,Routers, Firewalls, etc. Management activities of a network usually include address assignment, assignment of routing protocols and configuration tables routing as well as configuration of authentication and authorization services.

Frequently some other activities are included such as the maintenance of network facilities such as the controllers and adjustments of the Computers and Printers. Sometimes it also includes the maintenance of some types of servers such as VPN, intrusion detection systems, etc.

Network Analyst and network specialists concentrate on the design and security of the network, particularly in solving problems or debugging problems related to the network. His work also includes the maintenance of the network authorization infrastructure.

How much does they earn?
The average salary for System Administrator and Freelance Network administrator is $ 34,731 / month . The salary can vary from ARS $ 19,600 to ARS $ 60,000. This salary estimate is based on 16 salary (s) published by staff member (s) in Love Mondays for this position.