A Network Administrator is a professional responsible for managing and maintaining computer networks within an organization. Their primary duties include configuring network hardware, monitoring network performance, and ensuring security protocols are in place. They work with various technologies, such as routers, switches, and firewalls, to ensure smooth communication between devices. In addition to technical skills, a Network Administrator must troubleshoot network issues and provide support to users. They often collaborate with other IT professionals to implement upgrades and resolve connectivity problems. Their role is crucial for maintaining efficient and secure network operations in any business environment.