What job does a role network engineer do?

A network engineer designs, implements, manages, and maintains computer networks such as local area networks (LANs), wide area networks (WANs), and intranets. They troubleshoot network issues, optimize performance, and often work with network security protocols and tools, requiring knowledge of networking standards and certifications like Cisco CCNA. The role typically involves working with hardware, software, and network infrastructure in various organizational environments.