Design, implement and manage complex virtual infrastructure (software and hardware). Expertise in the most applicable server and services technologies such as Microsoft Active Directory, DNS, File sharing , FTP, Email, Printing, Wi-Fi, VLAN, VoIP, DHCP, VPN, Switches, routers & layer 7 Firewalls(DPI based firewalls). Install and maintain healthy environment for operating systems (servers and computers), such as Microsoft Windows (all versions), Linux (all versions), Smart phones and tablets.