network infrastructure, Switches, Microsoft Intune, Azure Ad, Exchange, Routers, SCCM, FortiGate firewalls, Microsoft Entra ID, Active Directory, backup and disaster recovery operations, ITIL and service management frameworks, Microsoft Defender for XDR, Linux server operations, wireless access points, macOS endpoint management, incident problem and change management, infrastructure and network monitoring tools, L3 L4 troubleshooting