The role of a system administrator, also known as a sysadmin, is to maintain the operation, security, and performance of a computer system or network. This includes tasks such as installing and configuring software, managing user accounts, setting up and maintaining hardware, monitoring system performance, and ensuring that the system is secure and compliant with relevant policies and regulations.
Some specific responsibilities of a system administrator may include:
To carry out these responsibilities, a system administrator needs a strong understanding of computer systems and networks, as well as good problem-solving and communication skills. They may work with a variety of technologies, including operating systems, databases, servers, networking equipment, and virtualization software.
In larger organizations, system administrators may work as part of a team, each with their own areas of responsibility. In smaller organizations or in a freelance capacity, a system administrator may be responsible for all aspects of system administration.