-Windows Server 2008 R2 DC &Windows Server 2012 R2,2016 operations,(cca 900 workstations),Kaspersky Security Center 10 managing,Hyper-V ,Citrix Xen and VMWare virtualizations,SCCM&Acronis imaging,troubleshooting hardware&software issues,building policies and security in Domain,ticketing,data&disaster recovery(resolving all kinds of issues),2nd line support(remote), dealing with network configuration problems (TCP/ IP),WAN,VLAN,LAN,Firewalls),managing MacOSX,install&and operations on some Linux servers,resolving printing troubles,hardware and software inventory,fix mobile&smartphones,assisting in projects,making presentations,guides and labs,etc.