Working with core technologies such as Windows Server, AD (Active Directory), DNS, DHCP, GPOs, virtualization platforms (VMware/Hyper-V), and cloud services like Microsoft 365, Azure AD (Entra ID), and AWS. Supporting security and operational stability initiatives such as endpoint protection (AV/EDR), vulnerability patching, backup verification, DR/BCP readiness, RBAC-based access control, and incident response activities as required.