Microsoft 365, Active Directory, Azure AD / Entra ID, Windows Server, AWS Cloud, Azure Cloud, TCP/IP, DNS, DHCP, VLANs, VPN, Wireless Networking, Routing & Switching, Firewalls, Access Control Lists (ACLs), Microsoft Access Databases, Legacy Enterprise Applications, Microsoft Windows, macOS, SIEM Monitoring Tools, Vulnerability Management Tools, Asset Management Platforms, SmartDeploy, Asset Sonar, LogMeIn Rescue, Splashtop, PowerShell, Python, Ticketing Systems, Endpoint Management Tools, Network Monitoring Tools, Identity & Access Management Solutions. This role sits between frontline Service Desk support and advanced Engineering/SecOps functions, serving as the primary escalation point for complex technical issues while also driving infrastructure stability, systems administration, user access management, and operational improvement initiatives.