Essential Skills and Experience: • 4+ years experience administration, troubleshooting, support UNIX like systems (Debian, RHEL). • Knowledge in deploying services on Linux environment. • Experience in virtualization. Deploy, upgrade, setup Xen, Xen Cloud Platform, KVM, OpenVZ,Docker. • Experience in web. Install, tuning Apache, Nginx. • Experience with MySQL, PostgreSQL, servers, install, support, setup master-slave, master-master replication.