SUMMARY

• Having 7+ years of experience specialized in System Administration working on Redhat Linux, Solaris, Suse Linux,AIX,Cent OS, Fedora, OEL and Windows environments.
• Installing, upgrading and configuring RedHat Linux4.0,4.5 and 5.5 using Kickstart Servers and Interactive Installation
• Hands on Experience inredhat Enterprise Linuxand Kickstart - PXE installation.
• Excellent in troubleshooting and Maintaining AIX and Patching.
• Experience in Installing, upgrading and configuring SUN Solaris 2.6, 7, 8, 9 and 10 on Sun Servers using Jumpstart Servers, Flash Archives and Interactive Installation.
• Supported installation of Oracle database(RAC) on Linux servers associated wif DBAs.
• Experience wif configuring firewalls using Linux. Familiar wif configuring advanced features such as NAT, port redirection, and logging.
• Supported WebSphere Application Server, IBM HTTP/ Apache Web Servers in Linux/ AIX environment for various projects.
• Expertise in Planning, Installation, Configuration and Maintenance of IBM HACMP V4.5 and V5.1.
• Installation & Configurations of Red Hat Linux & Fedora Linux, Maintenance & System Administration, webserver 6.1, NetBackup 5.0/6.x, Apache, Tomcat, Sendmail
• Experience in administering Solaris & Linux. Experience in Installation, Configuration, Backup, Recovery, Maintenance, Support of Sun Solaris & Linux.
• Experience in Installing, upgrading and configuring RedHat Linux 3.x, 4.x, 5.x using Kickstart Servers and Interactive Installation.
• System backup and disaster recovery applications including Veritas Cluster Server (VCS) and VeritasNetBackup
• Experience in Shell scripting (korn) to automate system administration jobs as per teh customer request and applying teh changes after creating a change control and getting teh approval according to customer requirements.
• Experienced in DNS, NIS, NFS, FTP, sendmail, remote access, security management, and system troubleshooting skills.
• Optimize administration and distribution of space in disk for teh Oracle database.
• Proficient in SMIT Administration. Installation, Maintenance of RS/6000 systems, disk drives.
• Configured advanced virtualization (POWER5, POWER6) features WPAR, DLPAR, Micro-partitioning, Virtual Ethernet, PLM, and LPM.
• Work wif DBAs on installation of Oracle, restoration and performance tuning.
• Expertise in implementation and designing of disaster backup and recovery plan.
• Knowledge of networking (TCP/IP, Ethernet), NIS, DNS, NFS, DHCP and RAID.
• Provided production support in an on-call rotation in a 24x7 environment.
• Excellent analytical, oral, written, communication and problem solving skills and good Team Player.

TECHNICAL SKILLS

Operation Systems: Redhat Linux(v6.2,7.2,Enterprise Linux),IBM AIX (v4.2, 4.3, v5.2, v5.3, v6.1), HP-UX (v10,v11.x),Windows 2000/2003 server, Windows 95,98/NT/ME/XP

Hardware: IBM p520, p550, p560, p570, p575, IBM P670, IBM, P650, IBM RS/, JS20 IBM Blade server, HMC

Application Server and Technologies: NIM, Apache, HACMP clustering, DNS, NIS, NFS, Websphere Application Server 6.x/5.x, Websphere Portal server, Windows 2000/2003 Active Directory, Microsoft IIS Server4/5, SSL, Distribution Server.

Databases/scripting: MSSQL 2000, DB2, Oracle, shell scripting

Storage Technologies: IBM SAN, AIX Logical Volume Manager,EMC

Networking Technologies: powerpath, Cisco Router, Cisco Catalyst Switchl

Backup/Monitoring Tools: TSM v5.3, v5.4, cpio, tar, mksysb, SMIT, WSM, SAR, topas, tcpdump, Windows NTBackup/restore

PROFESSIONAL EXPERIENCE

Confidential, Tampa, FL

LINUX Administrator

Responsibilities:

• Installing and configuration of red hat Enterprise Linuxenvironment including RHEL 4,5 and 6 and OEL 5.5, AIX 5.2/5.3 and Suse Linux9 and 10
• Responsible for managing redhat Linuxproduction and development environment servers
• Configure and manage EMC power path and Oracle RAC
• Managing VMware ESX 3.0 and two GSX servers for development, and around 24+ virtual machines.
• Handling Cacti and Nagios for Server, storage and SAN switches monitoring.
• Network installation via cobbler kickstart server and centralized yum server for client package update.
• Managing DNS for external and internal domain & Sendmail Relay Server for outgoing mails.
• Assisted Oracle DBA team wif migration DB from AIX to LinuxRAC environment.
• Linux Oracle Enterprise servers installation and advanced configuration (Oracle RAC) wif IBM 5.x series hardware.
• Managing EMC & Pillar SAN storages.
• Samba & NFS file Server for sharing files on multiple clients.
• Implemented Spacewalk Open Source (redhat Satellite Server) System management application for auto provisioning, software grouping, custom package channel, system inventory, auto deploying patches and monitoring of redhat Servers.
• Implemented open source base monitoring tool Nagios 3.0 for servers, SAN switches, EMC SAN Storage and VMware ESX and ESXi.
• Administering our production and non-production Linuxservers.
• Perform security patching of Linux servers
• Creating maintaining user profiles, security, rights, Backups of data and Disaster Recovery.
• Creating, Mounting and unmounting new File systems.
• Supporting teh interface needs of new development initiatives.

Environment: redhat Linux4,5 and OEL-5.5and 6, Sun Solaris 9/10, Suse Linux9 and 10 AIX 5.3, SAN, Samba, NFS, VMware ESX and VM ware server, Apache, Tomcat and Jboss, Oracle Cluster, Web sphere servers, EMC Power path and SAN storage.

Confidential, COLUMBUS, OH

Linux/Unix Administrator

Responsibilities:

• Installation, Configuration & Upgradeof Linux (RHEL 5,6), Solaris 8.0, 9.0.
• Installation and configuration of Red Hat Enterprise Linux and Windows Virtual machines using PXE Boot, for teh disaster recovery project.
• Configured Solaris Jumpstart Server. Maintained Server 6.0. Backup data of Servers usingVERITAS Net Backup. Maintained Security of teh Solaris Servers.
• Configuration of VERITAS Cluster Server, Service Guard from teh scratch and maintained service group/packages for failover and redundancy purpose.
• Installation and configuration of RHEL servers using kickstart installation.
• Installation & configuration ofVMware ESX 3.5Servers,VMware Virtual Infrastructure Server,VMware License Server and VCB Setup.
• Performed and maintained AIX.
• Installing ESX operating systems on teh physical servers forVMware virtualization.
• Adding Data stores, creating clusters, addingESX hoststo teh clusters in a Data center inVCenter Server.
• Create Guest OS RedHat Enterprise Linux and make readymade Gloden Image/Template using VMware Virtual Infrastructure Client.
• Enabling HA, DRS EVC, for teh Clusters in theVCenter Server.Creating Host profiles and applying teh host profiles to theESX hosts.
• Create Guest OS RedHat Enterprise Linux and make readymade Gloden Image/Template using VMware Virtual Infrastructure Client.
• Setting up installable image of AIX operating system.
• Migrate Guest OS and clusters fromVMware ESX 3.0.0 to VMware ESX 3.5.
• Setup and configured Dell MD3000 SANs to work wif VMware ESX servers.
• Perform security patching of Linux servers
• Established network security using Linux Firewall and troubleshoot problems relating toboot loaders (GRUB, LILO).
• Worked onSolaris 10 container technology, configured separate zones for various applications.
• Involved in Implementing and Administrating enterprise level data backup and recovery.
• Designed and Implemented Backup solution for teh Network.
• Managed teh entire infrastructure wifpuppetby setting uppuppet master and slaves.
• Enterprise resource planning includedITIL processes, such asConfiguration Management, Change Management, Problem management and Incident Management
• Installed and configured file and Application servers running on Sun servers
• Configuring and maintaining network services such as LDAP, DNS, NIS, NFS, Web, Mail, FTP
• Implementation ofRAID 0/1/5for creation of logical volumes usingVERITAS Volume Managerin SAN Storage Area Environment.
• UsingKorn shell, Perl and CVS (Harvest), Hudson, Maven Version Control to automate deployment of J2EE applications to Mid Tier platforms.
• Usedbash, awk,andsedto automate most of teh daily activities like log monitoring, log rotation and purging, proactive systems monitoring including disk error detection.
• Managed Network troubleshooting applicationsTCP/IPincluding Ethernet, IP addressing & Sub netting, routing
• Worked on creating user accounts, user administration, local and global groups on Solaris platform
• Created User Accounts and Network Shares. Configured SUN Workstations as Domain Clients.
• AdministratedNFS, NIS, DHCP and DNSSamba servicesrunning on Sun Solaris andRedHat Linux.
• Worked wif Storage team to configure EMC SAN, NAS and iSCSI configuration.
• Managed Users forSolaris,RHEL and Linux Serversand assigned rights to access network resources.

Environment: Linux, Windows (NT/2000 Servers), HACMP, UNIX,Solaris, Tivoli SM, LPAR, VeritasNetbackup, Scripting (korn).

Confidential, Piscataway, NJ

LINUX Administrator

Responsibilities:

• Installation, Configuration and upgrade ofCentOS and Solaris 8/9.
• User Administration, management and archiving.
• ConfiguringNFS, NIS, NIS+, DNS, Auto Mount & Disk Space ManagementonSUN Servers.
• Experience in Configuring and ManagingVirtual Disks, Disk Mirrors&RAIDLevels.
• Data Center Migration support forCX, DMX attached hosts.
• Worked wifOVF "Open Virtual Machine Format"supported toolsVirtualBox, RedHat Virtualization (XEN), and VMware Workstation.
• Installation, Configuration and Maintenance ofSamba, Apache Tomcat, Web Sphere and Jboss servers in Sun Solaris and Linux environment.
• Migration of existingSolaris based Netbackup environment to CentOS 5.5.
• UpgradedNetbackup 5.1environment to6.5.4, and tan to7.0.1.
• Developedautomatedprocesses dat run daily to check disk usage and perform clean up of file systems on UNIX environments usingshell scriptingandCRON.
• Experience instorage administration support wif EMC Symmetrix / DMX, Clariion, NetApp NAS filer and Brocade / Cisco Fiber Switchesforzoning purposes.
• Troubleshootinghost-based connectivityissues related toEMCsoftware likePowerPath, Navisphere, ECC client softwareandthird-party HBA's (Emulex and Qlogic).
• Emulex and QLogic HBA cards installation and configuration of teh host servers.
• ImplementedPuppet configuration managementsystem for Linux servers, and wroterulesetsto automatically configureCentOSsystems
• Perform security patching of Linux servers.
• AIX system administration and management.
• Createdshellscripts and updated teh scripts as per teh requirement.
• Implemented rapid-provisioning and life-cycle management for Red Hat Linux usingKickstart and Puppet.
• Making new virtual servers wif Linuxand WindowsserverOS
• Patch management for Linux, AIX, Solaris and windows.
• Experience wifConnectrix ManagerandData Fabric manager,Zoning,LUN allocation and Storage allocation to storage groups.
• Expertise in Performance Monitoring and Performance Tuning using Top, prstat, sar, vmstat, ps, iostat etc.
• Server Consolidation and Migration of Applications on Oracle Enterprise and Java Applications.
• SENDMAILconfigurations and administrations, testing teh mail servers.
• Creatingnew file system, managing & checking data consistencyof thefile system.
• Setup and configure VeritasNetBackup5.x, 6.x and 6.5xNet Backup server / client &tape libraries.
• Monitor, ModifyandOptimize NetBackup activity, backup schedules and reporting to proactively avoid issues.
• Disk and file system management throughVeritas Volume Manager / Veritas File SystemandSolstice Disk Suite.

Environment: redhatLinux, Web Sphere, VirtualBox, RedHat Virtualization (XEN),Solaris 8/9,, Apache Tomcat and Jboss, Oracle Cluster.

Confidential 

Linux System Administrator

Responsibilities:

• InstalledRedHat LinuxEnterprise Server 5.3 and 5.4 on HP Servers using Kickstart at different Merck sites around teh world inVMwareand Physical Servers.
• Installed and maintained severalLinux and Windows servers on virtual environment.
• Created mount points for Server directories, and mounted these directories on teh Servers.
• Diagnosed and troubleshoot software and hardware related problems.
• Implemented & installedRedHat AS 4.0/3.0operating Systems onLPARusingHMC. Good knowledge of installing UNIX based operating systems on LPAR.
• Installed and deployed operating system and security related patches and fixes.
• PerformingNIMInstallations of LPARs and DLPARS.
• Monitoringthe performance and throughout or load on a server, server farm, or property.
• Performance tuning of activities to ensure teh most efficient use of existing infrastructure.
• Experience inHMCadministration, code update and taking HMC console backups.
• Setting up installable image of AIX operating system on master server and apply it on new clients.
• Deploying theVirtual me/O Serversand Clients on P Series.
• Assigning storage luns from theVIOserver toVIOclients.
• Experience in AIX system backup and restores through different methods like conventional mksysb on tapes, mksysb through NIM, sysback through TSM and NIM.
• Good knowledge ofHardware management console HMC: update HMC code; manage HMC Users, Configure Network setting for HMC.
• Good working knowledge of installing, configuring, and upgradingIBM Blade Center’sManagement Module.
• VMware virtualguests runningLinux.
• Implemented, installed and supported High availability ClusterHACMP 5.3onIBM PSeries platform.
• DevelopedShell scriptsfor automating teh batch jobs.
• Involved inStorage management, LVM, File system management,User account management, data backupsanduser’slogonsupport.
• Involved in testing of products and documentation of necessary changes required in this environment.

Environment: Redhat Linux, Sun Solaris,Suse Linux, AIX,SAN, Samba, NFS, VMware ESX and VM ware server, Apache, Tomcat and Jboss, Oracle Cluster, Web sphere servers.