SUMMARY

• Over 7 years of extensive experience in Installation, Configuration, Upgrading, Support, and Maintenance of various Linux flavors like RHEL, SUSE, CentOS, Debian, GNU, Ubuntu, Unix flavors like Confidential Solaris, IBM AIX and Windows Servers.
• Installed, upgraded and configured Confidential Solaris 8, 9 and 10 on Confidential Servers Using Jumpstart Servers and Interactive Installation.
• Configured Jumpstart for automatic installation of VERITAS foundation suite and encapsulation of boot disk.
• Installed and setup the Policies in Veritas Netbackup and setup the Netbackup Master, Media and clients.
• Implemented day - to-day tasks in RedHat Linux include upgrading RPMS, kernel, HBA driver, configure SAN Disks, Multipathing and LVM file system.
• Experienced in supporting database systems including Oracle, DB2 on Linux and Solaris Environment.
• Configuration and administration of Fiber card Adapter’s and handling of SAN (SAN arrays HITACHI, EMC).
• Good experience in installing configuring and maintenance of Veritas Cluster Manager.
• Experienced in configuration of DNS, NIS, NFS, LDAP, SAMBA, Sendmail, FTP, remote access on Linux and Solaris.
• Troubleshooting and monitoring performance issues in Clariion storage systems using EMC Navisphere Analyzer.
• Expertise in Veritas net backup tools. Also experience with Disaster Recovery.
• Experience in EMC CLARiiON SAN, and NAS installed & configured, implemented clustering, high availability (HA), and Fail over.
• Installed and configured Oracle RAC 11g on RedHat Linux cluster nodes
• Expertise in Installing, configuring and maintaining Veritas Volume Manager, Veritas Net backup, Veritas Cluster server and Confidential -Cluster server.
• Knowledgeable in Virtual servers including VMware ESX server.
• Good experience in setting up of RAID0, RAID1 (mirroring) and RAID5 for data redundancy using. Veritas Volume Manager and Veritas File System on Confidential Solaris.
• Performed Scripting for automation, Expertise in utility and monitoring using Shell & Perl scripts.
• Provisioned Storage for Solaris host environments from Clariion series CX 380/700/600 storage systems with Fiber channel drives for production.
• Experienced in remote network installations like KickStart & Jumpstart.
• Handled routine maintenance with latest Security updates and software update.
• Installed and configured Ignite on Linux and UNIX machines.
• Great communication skills, wonderful team leader and awesome team player.

TECHNICAL SKILLS

Operating Systems: Linux - Red Hat, Fedora, SUSE, Debian, Ubuntu, CentOS

Unix - IBM-AIX, Confidential Solaris, and HP-UX: Windows - NT/ 2000/2003/2007 Server/XP Pro/Vista/7

Languages: Shell, Perl, Python Scripts, Cobol, C, C++, Visual Basic, Java, J2EE

Databases: Oracle 8i/9i/10g/11g, MySQL (phpMyAdmin), PostgreSQL (phpPgAdmin)

Web Server: Apache2/Tomcat, JBoss, IBM-Web sphere, Weblogic

Hardware: IBM RS/6000, pSeries, HP Server 9000/800 Series, Dell Power Edge 1300/1500/6650/2650/2950 Servers, Rack servers, Infotrend Eonstor DAS, EMC CLARiiON SAN, NAS Storage Box, 6015B-3R & 8045C-3R, F5 system, Cisco MDS 9000 SAN switch, HP Blade

Virtual Server: VMware ESX 3.5.0 Server, VMware Infrastructure Client 2.5 & Xen 3.2

Other tools: IPMI, CUPS, DNS(BIND), DHCP, Samba, FTP, NFS, NIS, KickStart, rsync, SAS ODBC, VERITAS Netbackup 5.1/6.5.3, RAID, SVN, CVS

PROFESSIONAL EXPERIENCE

Confidential

Linux Administrator

Responsibilities:

• Performed installation, configuration and maintenance of Redhat Linux 4.x/ 5.x/6.x
• Installation, configuration and Operating System upgrade on Confidential Solaris 8,9,10, on Confidential Servers
• Also excelled on Linux kernel, memory upgrades, and swap area. Redhat Linux Kickstart Installation. Configuring DNS, DHCP, NIS, NFS in Redhat Linux other Network Services.
• Performed daily backups, restoration of data as per requests from developers using Veritas Netbackup.
• Veritas File system and Veritas Volume Manager 2.5 are used to configure the RAID 1 and RAID 5 Storage Systems
• Experience in Servers consolidation and virtualization using VMware virtual infrastructure, VMware ESX.
• Wrote Shell Scripts as cron jobs and deployment scripts for various reasons.
• Mounted Disks allocated from the SAN (Clarion) for Linux and Solaris servers. Installed new and removed bad HBA cards from the server. Moved the Volumes from CX600 to CX700 to increase storage capacity.
• Provided application support for Weblogic application srvers as required.
• Network trouble shooting using ‘ndd’, 'traceroute', 'netstat', 'ifconfig' and 'snoop' etc
• Installed of all the required Software, patches, documentation, licensing trouble shooting.
• Troubleshoot network & DNS issues and handled VERITAS Netbackup server & client connectivity problems.
• Monitored overall system performance, performed user management, system updates and disk & storage management.
• Created users, manage user permissions, maintain User & File System quota on Redhat Linux and Solaris.
• Production support of Apache and JBoss including installation, configuration, management and troubleshooting
• Setup of full networking services and protocols on UNIX including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, kickstart and print servers to insure optimal networking, application, and printing functionality.
• Installed and configured Sudo for users to access the root privileges.
• Used Zone Configuration in solaris10 boxes. Used zoneadm utility to create and maintain the zones. Created many number of zones under the Global zone and setup network for the zones.
• Wrote Technical documentation for various projects and worked with Technical writer to finalize the documents.

Environment: Solaris 8,9,10, Redhat Linux 4.x,5.x,6.x VMware ESX Server 3.5.0, JBOSS, Remedy, EMC Power Path, windows 2003/2007/XP/VISTA/7, Solstice Disk Suite, AIX 6.1, 5.3, Veritas Cluster Server, Enterprise Security Manager, Opsware, Weblogic 8.1, Oracle 10g/11g.

Confidential

Linux/Solaris Administrator

Responsibilities:

• Installation, Configuration and upgrade of Redhat Linux (2,3,4,5), CentOS, SUSE, Solaris, AIX, HP-UX & Windows 2000 / 2003/2008 Operating System.
• User Administration, management and archiving.
• Configuring NFS, NIS, NIS+, DNS, Auto Mount & Disk Space Management on Confidential Servers.
• Experience in Configuring and Managing Virtual Disks, Disk Mirrors & RAID Levels.
• Data Center Migration support for CX, DMX attached hosts.
• Worked with OVF "Open Virtual Machine Format" supported tools VirtualBox, and VMware Workstation.
• Experience with VMware Virtualization using ESX hypervisor of Vsphere 4.0.
• Installation, Configuration and Maintenance of Samba, Apache Tomcat, Web Sphere and Jboss servers in AIX, Confidential Solaris and Linux environment.
• Experience in Active directory configurations and support.
• Experience with setting up Linux servers for Oracle Real Application Clusters and configuring SAN based mount points.
• Expertise in Performance Monitoring using Top, prstat, sar, vmstat, ps, iostat etc.
• Expertise in creating and managing Logical Volume Manager in AIX, HP-UX and Redhat Linux.
• Server Consolidation and Migration of Applications on Oracle Enterprise and Java Applications.
• Experience in building Production Servers and validation for new build releases.
• Creating new file system, managing & checking data consistency of the file system.
• Monitor, Modify and Optimize NetBackup activity, backup schedules and reporting to proactively avoid issues.
• Installation of Packages and Patches for Solaris 8/9/10, Redhat Linux 4/5.
• Disk and file system management through Veritas Volume Manager / Veritas File System and Solstice Disk Suite.

Environment: Redhat (2,3,4,5), CentOS and SUSE Linux, Solaris 8 / 9 / 10, Confidential Enterprise Server, HP 9000 K, L, N Class Server, IBM RS/6000, pSeries Server, NetBackup 5.0, Veritas Volume Manager 4.x/5.0, SAN EMC Clariion CX 700/ CX 600/ CX 500, EMC DMC 2000/ 3000, NetApp NAS 3000, Windows NT 2003/2000/ XP.

Confidential, Chantilly, VA

Linux/Unix Administrator

Responsibilities:

• Installation, Configuration, Administration & Trouble Shooting of Solaris, Linux Operating system.
• System builds from the scratch for UNIX and Linux system using manual and automated (Jumpstart, Kickstart) installation.
• Installation and Configuration of Network Servers (dhcpd, vsftpd, httpd).
• Created Volume Groups, Logical Volumes and formatted with ext3/4 file system.
• User administration through power broker and power password tools.
• Installation and configuration of Apache and Tomcat web servers.
• Installation, Configuration and Administration of High Availability VERITAS Cluster Servers and RedHat Cluster Server for failover and redundancy purpose.
• Added Service Groups and resources based on the requirement with appropriate dependencies in Active/passive and Active/Active Cluster Server configuration.
• Installed and configured Access control for VERITAS Net Backup servers and clients.
• Installation and configuration of VERITAS Volume Manager, VERITAS File System and VERITAS Cluster Server.
• Disk and File system management through VERITAS Volume Manager.
• Managed physical and Logical volumes, Volume Groups using Logical Volume Manager in Linux and HP-UNIX and also did migrations from LVM to VXVM.
• Installation and configured zones and containers for applications.
• Troubleshooting of day to day system administration and user problems.
• Maintenance of Source code, direct interacts with development, migration, testing & database teams.
• Monitoring, Capacity planning and recovery management for production servers.
• Performance monitoring on Linux and UNIX servers.

Environment: Red Hat Enterprises Linux, SuSE Enterprise Linux, Debian GNU Sarge & etch, CentOS, Apache, Windows 2003/XP, JBoss, Tomcat, SVN subsystems, PostgreSQL, MySQL, AIX, F5, VMware ESX Server 3.0.1 & 3.5.0.

Confidential, Richmond, VA

Linux Administrator

Responsibilities:

• Administered, maintained Red Hat 3.0, 4.0, 5.0 AS, ES, Troubleshooting Hardware, Operating System Application & Network problems and performance issues; Deployed latest patches for, Linux and Application servers, Performed Red Hat Linux Kernel Tuning.
• Install and configure DHCP, DNS, webservers (Apache tomcat), Mail servers and file servers on Linux servers.
• Administered and Maintained IBM servers for several functions including Apache/Tomcat web server, mail server, Oracle database, and firewalls in both development and production.
• Implementation of Samba to help printing and file sharing in the mixed Environment.
• Monitored System Performance of Virtual memory, System events, Swapping, Disk utilization, CPU utilization on Linux Servers
• Installing and setting up Oracle9i on Linux for the development team.
• Installed Web Logic 8.1 with SP5 Server and configured Domains, Admin and managed servers for Applications to be deployed.
• Experienced in installing and configuring SRDF on Symmetrix storage array.
• Worked with Linux, EMC SAN, and Network teams to ensure the smooth relocation of the servers.
• Implemented Virtualization using VMware in Linux on HP-DL585.
• Linux kernel, memory upgrades and swaps area. Red hat Linux Kickstart Installation.
• Setup network printers and installed client/server applications. Define/setup network protocols, Network File Services (NFS), and Network Information Services (NIS) in Linux and Solaris systems.
• Performing upgrades of OS and applications.
• Diagnosed hardware and software problems and provided solution to them
• Monitored incident ticket queue to attend user and system calls
• Updated data in inventory management package for Software and Hardware products.
• Worked with DBAs on installation of RDBMS database, restoration and log generation.
• Developed Korn and Bash shell-scripts to automate routine activities.
• Provided support by 24x7 shift rotation basis and pager support.

Environment: Red Hat Linux 3.0,4.0,5.0 AS ES, AIX 4.3,5.1,5.2,5.3, HP-DL585, HACMP 4.2.x,4.3,4.3.1,4.4, SRDF, Symmetrix,HPUX, Veritas Netbackup 4.5.5, Oracle 9i/10g, Samba, NT/2000 Server, Web Logic 8.1, VMware 2.x, LPAR, DLPAR, SAN, EMC Symmetrix, Tomcat 3.x,4.x,5.x, Apache Server 1.x,2.x, Korn, Bash.