What does a network engineer do on a daily basis?

A network engineer performs networking configuration and troubleshooting, monitors networks and optimizes their performances, and participates in network security and maintenance daily. Here are some details on the common daily activities of a network engineer:

• Performs networking configuration and troubleshooting. Network engineers maintain and configure network devices and systems, such as ones involving routers, firewalls, switches, and wireless access points. They also troubleshoot network issues that arise, such as connectivity issues, hardware failures, and network congestion.
• Monitors networks and optimizes their performances. Network engineers also ensure that their networks are stable and have a sound infrastructure so that their performances can be optimized. They utilize different monitoring tools to do different monitoring tasks like tracking network traffic, bandwidth utilization, and security.
• Participates in network security and maintenance. Network engineers also implement and manage security tools and measures for networks daily. They ensure that a company's network is secure and also make sure that the organization's data is protected from unauthorized access and malware.