System Administration involves managing and maintaining computer systems and networks to ensure their optimal performance and security. System Administrators are responsible for installing software, configuring hardware, and monitoring system performance to prevent downtime and data loss. In addition to technical skills, System Administration requires problem-solving abilities and effective communication. Administrators often work with users to resolve issues and provide support, ensuring that all systems run smoothly and efficiently. This role is crucial in both small businesses and large organizations, where reliable IT infrastructure is essential for success.