Install, configure, maintain and administer Linux / UNIX operating systems and components. Diagnosed and resolved problems associated with DNS, DHCP, VPN, NFS, and Apache.System and Application troubleshooting and other related issues.Build and installed multiple Linux machines. Install and maintain Apache Tomcat Server, MySQL and Oracle Database servers. Manage end user accounts, permissions, access rights, and storage allocations in accordance with best-practices regarding privacy, security, and regulatory compliance, as defined Recommend, schedule, and perform software and hardware improvements, upgrades, patches, reconfigurations, and/or purchases Datacenter operations and planning