Network and Wireless: Configure and troubleshoot Palo Alto firewalls, NAT, threat-prevention features, Arista and Cisco switches, VLANs, routing, spanning tree, port security, QoS, firmware, and Aruba wireless controllers, access points, SSIDs, guest access, and RF performance. The National Association of REALTORS® (NAR) seeks a Infrastructure Engineer to support, secure, and modernize enterprise infrastructure across Microsoft Azure, data center, server, identity, network, wireless, backup, and Microsoft 365 environments.