2+ years experience in Linux systems and windows system, SQL Database ,application security with OS hardening and server management . OS: Centos ,Ubuntu, Debian,Windows Server 2003, 2008, 2012 Email Server : Microsoft Exchange 2010,2013 , Office 365 Database: SQL Server, MySQL Database (Administration and Programming) Extra: Proxy server, VPN, AWS, Active Directory ,DNS, IIS, DHCP, website panel Virtualization - Hyper v, VMware. Linux server optimization and security. Windows Server management and security expert. Web Hosting services Expert. Dedicated server and virtual server management and security expert.