Experience with enterprise platforms including Microsoft Admin Center, Teams, Exchange, SharePoint, Active Directory/LDAP/Azure Entra ID, firewalls, file systems, networks (Juniper), VPN, virtualization (Nutanix, VMware), and remote access (Citrix). Partner with architecture, engineering, and administration teams to implement and sustain secure connectivity patterns (private connectivity, segmented networks, routing/firewall integration, and service dependencies).