A System Administrator is a professional responsible for managing and maintaining a computer system or network. They ensure that all hardware and software are functioning properly, which helps organizations run smoothly. Their tasks include installing software, monitoring system performance, and troubleshooting issues. A System Administrator often works with various technologies, including servers, databases, and security systems. In addition to technical skills, a System Administrator must have strong problem-solving abilities and good communication skills. They often collaborate with other IT professionals and users to address concerns and implement solutions. Overall, they play a crucial role in keeping an organization's IT infrastructure reliable and efficient.