NTFS, SHARE permissions, physical systems, virtual systems, Microsoft Active Directory, Group Policy, Domains, Domain Schemas, Domain Name Systems, DNS, Dynamic Host Configuration Protocol, DHCP, Security Policy Configurations, Microsoft Server Operating Systems 2012, Microsoft Server Operating Systems 2016, Microsoft Server Operating Systems 2019, SQL Server 2012, SQL Server 2014, SQL Server 2016, SQL Server 2017, SQL Server 2019, virtualization technologies, configurations, VMware, Citrix, network storage, SAN, NAS, Backup, Microsoft Exchange. Experience configuring and supporting Microsoft Active Directory, Group Policy, Domains, Domain Schemas, Domain Name Systems (DNS), Dynamic Host Configuration Protocol (DHCP) and Security Policy Configurations.