Senior Linux Administrator
CurrentResponsible for installation, configuration and administration of RHEL 4, Sun Solaris 9/10 and SLES 9.Installed and configured JBoss application server on various Linux servers.Configured Kickstart for RHEL (4, and 5), Jumpstart for Solaris and NIM for AIX to perform image installation through network.Involved in configuration and troubleshooting of multipathing Solaris and bonding on Linux Servers.Installed/Configured/Maintained/Administrated the network servers DNS, NIS, NFS, SENDMAIL and application servers Apache, Websphere, Jboss, Webogic, Oracle E-business suite and Samba on Linux.Involved in installation and configuration of Linux / UNIX Servers and Work Stations distributions include Red Hat.Implemented cross platform SAN being accessed via Samba and Linux for workstations and server environmentsAdministered and supported all distributions of Linux, including Linux Enterprise Desktop, SUSE Linux Enterprise Server, and Red Hat.Worked with RedHat Linux tools like RPM to install packages and patches for RedHat Linux server and Vir-Install, Vir-manager to install and manage the Virtualized OS.Administered Linux servers for several functions including managing WebSphere, Apace/Tomcat server, mail server, MySQL database, SVN, ClearCase, build and firewalls in both development and production.Provided support for Linux virtual machines in z/VM LPARs running on z/System hardware.Used VERITAS VOLUME MANAGER to create disk groups, volumes, volume groups, and RAID’s.Implemented Virtualization using VMware ESX Server in Linux on HP-460C Blade, Dell-2950.Created Korn shell scripts to monitor system resources and system maintenance and Performed administrative tasks such as System start-up/shutdown, and Backup strategy and scheduled cron jobs for job automation.