Summary:

• 7 years of expertise experience in UNIX/Linux AIX Administration, Engineering, Planning, Networking, Designing, implementation and Troubleshooting of different versions respectively.
• Experience with installation administration of AIX 4.3, 5.1, 5.2, 5.3, 6.1 and 7.1
• Experience with Installing and configuring RHEL 2.1, 3.0, 4.0, 5.0, 6.0.
• Experience in Solaris 8, 9 10 OS.
• Configure and manage Middleware and web tools such as Apache, Tomcat, WebSphere, JBoss.
• Expertise in installation, configuration, administration, troubleshooting, tuning, security, backup, recovery and upgrades of Redhat Linux 3/4/5, Solaris 7/8/9/10, IBM, AIX 5.xL /6.X/7.1 and Windows Server.
• Installation and troubleshooting on VMware running Linux Redhat 3/4/5/6 .
• Experienced in leading the efforts of Deployment and Build Engineers for Linux Environment.
• Implementation and setup of local Linux disk backups using open Source applications.
• Consolidating multiple Linux servers into 2 physical virtual servers, using vserver.
• Configuring and implementing LINUX Kernel re-compilation.
• Expertise in WPAR and Live Partition Mobility.
• Designed, configured, and implemented an enterprise Red Hat Linux Kickstart DVD installation to automate installation of RHEL workstation servers.
• Experience in upgrading firmware on IBM hardware.
• Expertise in Using NIM server and automating the OS installation on the AIX and VIO servers.
• Experience in Using Solaris Wanboot server and its use to deploy its Client by loading OS.
• Experience in working Flash Archive and restoring the FLAR using wanboot and CD.
• Expert in release packaging/deployment code migration
• Experience in installing backup tool such as TSM and Netback up
• Expert in NAS NFS, CIFS infrastructure EMC Celerra, NetApp, Unix NFS, Windows CIFS DFS, Samba, Rainfinity architecture, migration, management
• Installed a PHP based Linux kickstart solution that allows for the building of profiles based on IP address- this system allows for rapid installation of new Linux systems.
• Day-to-day operation of various Storage Area Network SAN and Network Attached Storage NAS devices.
• Good knowledge in IBM AIX hardware components RS/6000, pSeries , SAN, HBAs, Fiber channel, VERITAS volume manager, trouble-shooting and maintenance of PC's
• Adept at Monitoring and altering file system usage, hardware and system process failures.
• Configured and Administered HACMP 4.5, 5.1, 5.2, 5.3, 5.4, 5.5 IBM PowerHA.
• Experience in Installing and configuring GPFS cluster 3.5, 3.4, 3.3, 3.2 etc.
• Experience in creating GPFS filesystems, NSD devices.
• Experience in upgrading GPFS cluster to 3.5 from all the lower versions.
• Configured and Administered Red hat Cluster suite
• Experience with installing and configuring Veritas cluster.
• Good knowledge and experience with Vcenter .
• Installation, Configuration and administration of LPAR's and DLPAR's
• Experienced in Installation, configuration, maintenance and troubleshooting of HACMP v5.x on AIX v5.x/6.1.
• Installation, administration of VIO Server and VIO client LPAR's.
• Configuring and setting up HMCs and good knowledge on working on it .
• Experience in Upgrading HMCs to the latest versions V7 .
• Proficiency with configuration and maintenance of NFS, DNS, NIS/NIS , DHCP, SMTP, and Networking with TCP/IP
• Experienced in Perl and Korn Shell Scripting .
• IBM-AIX kernel Tuning, Performance Analysis and Load Balancing
• SAN Storage, Disk Management LVM .
• Expertise in creating volume groups , Physical Volumes , logical volume Filesystems and trouble shooting them if any issues .
• Hands on Experience on IBM storewize v7000, HP EVA 3000, NETAPP EMC .
• Active involvement with the NetApp storage device and experienced in installation, setup, configuration and maintenance of NetApp hardware.
• Highly expertise in Install, configuration and managing NIM Server.
• Performed user tasks including submitting and managing parallel, serial and interactive jobs.
• Extensive experience in Installation configuration of Veritas Cluster Server, Veritas Volume Manager and Resizing volumes to meet customer requirement, dealing with Volume Manager performance issues.
• Experienced in Installing, Configuring and Troubleshooting Sun Solaris 8, 9 and 10.
• Experienced working with solaris10 container technology, created local and global zones, modified local zone parameters.
• Experienced in Virtualization on Solaris Zones and VMware ESX Server environments.
• Involved in upgrading production, development QA servers from Red Hat 4, 5 6 and Solaris 9 to 10.
• Assisted with planning and managing the virtualization and migration of Applications into the new Data Center.
• Experience with security practices, including PCI-DSS compliance of web ecommerce systems.
• Extensive experience working with Apache Java Application Servers.
• Development and writing of PCI-DSS-compliant procedures
• Deployment and control of PCI-DSS procedures implementation.
• Implemented configuration management with Puppet
• Experienced in Perl Scripting
• Experienced in Installing Oracle 10g, 11g on Solaris servers.
• Expertise in creating micro partition.
• Responsible for SAP Implementation on the respective AIX servers.
• Experience in installation and configuration of multiple application servers including IBM WebSphere Application Server 3.5/4.0/5.0/6.0 , IBM HTTP Server,
• Experience in users, group administration on all Unix platforms, which include Linux, AIX, Solaris etc.
• Experience in installing and configuring sudoers and giving access to users as required.

Work Experience:

Role : Unix/Linux Administrator

Responsibilities

• Linux RedHat 3/4/5/6 UNIX System and Network administration in Sun Solaris 9/10 , HP-UX 10.x,11.x , IBM AIX 5.x , Server Installations, configurations, upgrades and migrations on Solaris, HP- UX, Linux and AIX.
• Troubleshooting all kinds of UNIX problems and assisting users.
• Day to day review Remedy tickets and resolved them. Involve in change management and Incident reporting.
• Involved in installing infrastructure and maintaining the performance of server, availability. Storage system software and functionality and interface components.
• Responsible for Installation, Configuration Management, Maintenance and Systems Development of AIX Systems.
• Handful of experience in Solaris 10 SPARC and x86
• Experience in Web and Application Servers Web logic 10.3.x or 9.x and iPlanet.
• Experience in Redhat and SUSE Linux Operation system and Vormetric Encryption.
• Responsible for patching and upgrading all SUSE Linux Servers.
• Kernel upgrade on RHEL and SUSE.
• Installation of RHEL, SUSE Linux, Centos and Fedora on physical server and virtual server.
• Configuring kickstart server on SUSE Linux.
• Responsible for set up of BMC Patrol Agents V3.6.50.11i and 3.6.60i environment on UNIX Servers.
• Experienced working with scripting like shell and Perl.
• Involved in troubleshooting shell scripts.
• Working knowledge of Windows 2003/2008 OS.
• Wrote automated security audit scripts in the environment.
• Configuring and maintaining virtual server environment using VMWARE ESX/ GSX, VSphere 4.x, Xen, HP-UX nPars/vPars, Solaris 10 Zones.
• Involved in installing the Solaris Operating system from DVD and from a JumpStart/AI server
• Knowledge of Kickstart and PXE administration
• Experience with IBM Power4, Power5, Power6 and Power7 virtualization.
• Administering and troubleshooting of Redhat Clustering.
• Hands on experience using the VI editor.
• Knowledge of HP blades and service manager.
• Experience with storage networking, with vendors/technologies such as iSCSI, SAN/NAS, data center storage consolidation, EMC,EVA, NetApp, HDS, HP, or Supported and Good Knowledge of designing IT architectures for storage and backup in the enterprise.
• Created RAID volumes using RAID Controllers and LSI Hardware

Environment: Unix/AIX, Linux, Windows 2000,Oracle, DB2, JAVA,JBOSS, IBM HTTP Server, Apache Web Server, WebSphere Application Server 4.0 and Unix Shell Scripting.

CONFIDENTIAL

UNIX Administrator

Responsibilities

• Responsible for the Administration, Planning, Designing, Configuring troubleshooting and performance tuning on the AIX 4.3/5.1/5.2/5.3/6.1 and Linux servers.
• AIX administration supporting RS6000 Servers, installing, configuring and maintaining WebSphere Application Server, Samba Server and IBM HTTP Server.
• Responsible for the operation, maintenance and integrity of a distributed, networked AIX based environment
• Responsible for NIM installation, setting up NIM servers, clients, define the resources, Alternate Disk Migration with NIM
• Involved in the migration of Solaris 8 to Solaris 10
• Created/used LDOM in Solaris 10 and installed multiple OS.
• Solaris Live Update Technology associated with an operating system upgrade or maintenance.
• Experience in migrating UFS root file system to ZFS root file system using Live Upgrade.
• Experienced with the installation, configuration and volume/File system management using Veritas Volume Manager, Logical Volume Manager LVM and Solstice Disk Suite Solaris Volume Manager .
• Experience in creating physical volume, logical volume, volume groups using LVM's in Linux and HP-UX ITANIUM and PA-RISC .
• Responsible for building and migrating different versions of RHEL.
• Involved in migrating HPUX systems to RHEL.
• Knowledge of UNIX Clustering in RedHat Linux, virtualization, package creation and LVM maintenance.
• Expertise in Grant users rights to execute commands with elevated privileges, eliminating the need for access to privileged accounts and passwords
• Installing, Configuration and Migration of Solaris 9 and from Solaris 9 to Solaris 10.
• Provided support for ZFS and maintained Pools for storage management.
• Experience knowledge of Solaris 10 with zones/containers, dtrace, zfs, server creation and Kernel and TCP/IP tuning.
• Creating new file systems, mounting file systems and unmounting file systems.
• User and Group administration in Linux and Solaris environment.
• File management, disk space management and security administration of user's accounts, files, and directories on various servers running under Linux.
• Software installation, updating and trouble shooting on systems using NIM and media.
• Installation and configuration of VIO servers.
• Defined virtual SCSI, virtual Ethernet adapters and created VIO client adapters from HMC and mapped them.
• Extensive Experience in using the latest features of AIX, such as creating LPARs with CPU and sub CPU partitioning, virtual IO server, JFS2 file system and configuring dynamic LPARs
• Played an active role in monitoring the backups that are run on a daily and weekly basis using Veritas Net Backup.
• Applying software maintenance, program fixes and keeping the system software releases current.
• Involved in performance tuning of Java based applications
• Installation/Administration of TCP/IP, NIS/NIS , NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client's requirement.
• Responsible for SAP Implementation on the respective AIX servers.
• Configured cascading, mutual takeover and rotating modes of operation of the HACMP and HACMP/ES products.
• Administration Tasks included User administration, Performance, weekly mksysb, adhoc mksysb, documentation.
• Expertise in installing, configuring and troubleshooting on JS20 Blades in IBM Blade center.
• Expertise working in a huge environment that consists of almost 700 Servers including RS/6000, p-series and IBM Blade Center.

Environment: AIX 4.3.3/5.x/6.1, Linux, LPAR, HACMP, NetApp, Veritas Netbackup, Windows 2000, Oracle 9i, Oracle 10g, Java, JBoss DB2, IBM HTTP Server, IBM Blade Center, Apache Web Server, LDAP, Tivoli, TSM, Web Sphere Application Server.

CONFIDENTIAL

Linux/UNIX Administrator

Responsibilities

• Responsible for daily activities which included administration and maintenance of Enterprise and Advanced Servers ES/AS running Red Hat Enterprise Linux.
• Provided Administration support for server running on RHEL and Solaris at other facilities.
• Installed and Configured Red Hat Enterprise Linux 5.2 in Dell Poweredge 2970 and R905, Involved in System Analysis and Performance Monitoring of Red Hat Linux.
• Implemented and monitored clustering on SPARC servers using Veritas Clustering.
• Extensive experience working with Apache Java Application Servers.
• Performed User Account creation, assigning access permission, creating user quota and provided user login support. .
• Installed and configured Veritas NetBackup on Red Hat Enterprise Linux systems.
• Troubleshooting performance issues in Solaris 9/10 and Red Hat Linux servers.

• Installed VMWare ESX 4.1to perform virtualization of RHEL Solaris x86 servers.
• Administration and maintenance of High end storage arrays from EMC Symmetrix DMX-3 .
• SAN devices including Clariion, Symmetrix, VMAX.
• Performance monitoring on Solaris Linux servers using iostat, netstat, vmstat, glance, top prstat.
• Implemented Web Application Servers like Oracle WebLogic, and Red Hat JBoss in and Red Hat Linux environment respectively.
• Expertise working in a huge environment that consists of almost 700 Servers including RS/6000, p-series and IBM Blade Center.
• Installing, configuring, maintaining and enhancing operating system and system support software/hardware AIX 5.1 - 5.3, TSM, HACMP4.5, LPAR, DLPAR, VCM, VVM, SSA Disks, IBM DS8100, IBM PSeries 550, 570,590, 595 690, RS/6000
• Diagnosing and resolving systems related tasks in accordance with priorities setup in dealing with trouble tickets.
• System performance monitoring tuning as necessary .
• Responsible for troubleshooting all the applications like marimba, Bmc patrol etc.
• Worked in Distributed Storage Management Team in supporting the Distributed Disk Frames and Storage Area Networks in all TI supported North American Data Centers.
• Configuring and implementing LINUX Kernel re-compilation.
• Designed, configured, and implemented an enterprise Red Hat Linux Kickstart DVD installation to automate installation of RHEL workstation servers.
• Responsible for migration of Microsoft Virtual Servers and VMware GSX servers to ESX platform.
• Responsible for activities such as problem support, presenting/decommissioning storage to distributed servers and supporting contingency of business roles
• Involved in Installation, configuration and maintenance of storage and SAN hardware and software.
• Responsible for monitoring, management and performance analysis of storage and SAN fabric using EMC ECC.
• User and Group administration in Linux and Solaris environment.
• Setup DHCP, NFS and DNS services on Solaris server and configure them.
• Administration of Sun Solaris application and database servers.
• Responsible for configuration of Solaris servers, for maximum performance in a production environment, including kernel tuning and compiling, configuring systems with various raid, strip and mirroring configurations.
• Responsible for managing local and remote data replication.
• Responsible for maintaining standard operation procedures for storage environment
• Involved in documentation of current SAN footprint
• Involved in assisting with code upgrades on SAN switches
• Participating in a vendor evaluation
• Assisting with ongoing stability issues as they arise
• Participating in the re-architecture of SAN environment
• Responsible for performing administration tasks on DLPAR such as adding, deleting and moving system resources from one partition to another partition.
• Expertise in installation configuration and administration VIOS
• Responsible in configuring of virtual Ethernet, virtual SCSI and virtual memory.

Environment: AIX, Linux, Windows 2000,Oracle, DB2, IBM HTTP Server, Apache Web Server, WebSphere Application Server 4.0 and Unix Shell Scripting.

CONFIDENTIAL

UNIX Systems Administrator

Responsibilities

• Server Installations, configurations, upgrades and migrations on Solaris, HP- UX, Linux and AIX.
• Configuring and Maintaining virtual server environment using VMWARE ESX/ GSX, VSphere 4.x, Xen, HP-UX nPars/vPars, Solaris 10 Zones.
• Experienced in working with Network Engineers to install, manage, and configure NAS based storage and insure overall system and network security.
• Experience with storage networking, with vendors/technologies such as iSCSI, SAN/NAS, data center storage consolidation, EMC, NetApp, HDS, HP, or Supported and Good Knowledge of designing IT architectures for storage and backup in the enterprise.
• Storage Provisioning, Volume and Filesystem Management using Veritas Volume Manager and Veritas Filesystem Veritas Storage Foundation , Configuring ZFS filesystems.
• Configuring UNIX environments for Oracle Databases such as kernel configurations, filesystem layouts, ora file configurations.
• Oracle database support on UNIX/Linux. Tuning kernel and memory parameters for optimum database performance.
• Perform auditing on UNIX/Linux Servers for security compliance and monitoring.
• Plan, design, install, configure, troubleshoot, administer and performance tune AIX 4.3, 5.1, 5.2, 5.3 and 6.1, Solaris 10, Red Hat Linux Version , HP-UX, and SLES Linux.
• Setup and configured network TCP/IP on AIX including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on AIX Servers
• Configured and administrated LPARs.
• Responsible for SAP Implementation on the respective AIX servers.
• Responsible for installation and maintenance of VFSX in a clustered environment.
• Administration and maintenance of WAS ND clusters vertical, horizontal and deployment of applications in highly available, load balanced production environments.
• Developed web service integration layer for Web Sphere Portal. Install and configure Web Sphere Portal 5.1/6.0 on AIX, UNIX and Windows.
• Installation, administration of VIO Server and VIO client LPARs. Configuration of VIO server and VIO clients from Hardware Management Console. Upgrade VIO version 1.4 to 1.5 and 1.4.1.2-FP-9.2 to 2.1.
• Implementation of OS security as per ITRM standards.
• Migrated from HACMP 4.3 to 5.1 and from HACMP 5.1 to 5.2 and 5.4.
• Designed, installed and configured HACMP cluster environment, with cascading and mutual takeover.
• Dealt with AIX side of SAN troubleshooting fiber card adapter, replacing fiber card adapters and configuring LUNs back.
• Installed Web Sphere Portal Server 5.1/6.0/6.1 and enabled Web Content management.
• Install, configure and administer MQ 5.3/6.0 on AIX, Linux and Windows environments.
• Migrated WAS 5.0 Network Deployment and Base on AIX/Windows platforms to WAS 6.0 ND.
• NetApp storage devices, setup, configuration, operations and connecting to PSeries hardware.
• Experienced in Storage Enterprise Cost Reduction, Storage Consolidation, Backup and recovery Methodologies, Storage Replication and Disaster Recovery Solutions.
• Knowledge of ITIL and Business Continuity processes, experience with tape technologies, Information Life Cycle Management.
• Experienced with operating and performance tuning storage platforms across the organization to ensure high levels of data quality, availability and security.
• Establish strategies for storage consolidation, centralization, and optimization to reduce downtime and costs while improving security and storage performance.
• Experienced in Providing LUNs to the various enterprise operating systems such as AIX, Solaris, Linux and Windows.
• Managed systems to the HMC and upgrade the firmware of the HMCs as required.
• 24x7 on call server support for UNIX environment.

Environment: AIX, Linux, Windows 2000,Oracle, DB2, IBM HTTP Server, HACMP, Veritas, VIO, Unix Shell Scripting.