Provide operational support for VoIP-based phone systems 3 Preferred Configuring and supporting core TCP/IP services such as LDAP, DHCP, DNS, SMTP 3 Preferred Working within virtualized environments (e.g., VMware, Hyper-V) to support system uptime and scalability 3 Preferred Administering Cisco networking equipment including routers, switches, firewalls, and VPN infrastructure 3 Preferred Supporting internal LAN/WAN infrastructure, wireless access points, and all telecommunications systems 3 Preferred Administering and troubleshooting Meraki wireless infrastructure. Monitor and analyze network performance using tools such as PRTG, MRGT, and ManageEngine 3 Preferred Performing software and hardware updates, upgrades, and proactive troubleshooting to minimize downtime 3 Preferred Providing documentation and reporting as required for audits, compliance, and internal use 3 Preferred Maintaining Microsoft 365 services including user account provisioning, mailbox management, Teams, and SharePoint ***Lumen and / or its clients will not provide equipment (Laptop, monitor, etc.) to the selected contractor.