migrated network from NT4-based domain to Windows 2003 Small Business Server, Windows 2003 SBS to Windows 2008 SBS, Windows 2003 SBS to Windows 2o12 Essentials, and so forth
upgraded AD Domains to Windows 2003, 2008, and 2012 level
troubleshoot various AD and DNS replication Issues
created/configured optimized clients’ AD objects structure – i.e. users, groups, OUs, GPOs, and logon scripts
created various AD Group Policies and scripts to centrally manage user roaming profiles, printers, firewall settings, MS Office deployment, WSUS updates, and so forth