The L2 Network Engineer specializing in Wireless, Switching, and Firewalls is responsible for the day-to-day operations, maintenance, and support of network infrastructure. This role involves managing and troubleshooting network issues, assisting with the implementation of network solutions, and providing second-level support for wireless, switching, and firewall environments. The L2 Network Engineer works closely with L1 support teams and L3 engineers to ensure the stability and security of the network.