migrated network from NT4 based domain to Windows 2003 Small Business Server, Window 2003 SBS to Windows 2008 SBS, Window 2003 SBS to Windows 2o12 Essentials and so forth
upgraded AD Domains to Windows 2003, 2008, 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 in order to centrally manage user roaming profiles, printers, firewall setting, MS office deployment, WSUS updates and so forth