SUMMARY

• 8+ 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.
• 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.

PROFESSIONAL EXPERIENCE

Confidential, Schaumburg, IL

AIX/UNIX Administrator

Responsibilities:

• Performed administrative tasks such as System Startup/shutdown, Backup strategy, Documentation, User Management, Security and Network management.
• Provided UNIX infrastructure, operations and support for IBM P-Series 650, 670,690 and P5 servers P570/590/595 running IBM AIX 5.X.6.1.
• Performed installation, periodic maintenance updates and apply APAR fixes.
• Configured IBM RS 6000,550,520,610 machines for production, staging and test environments.
• Installed open ERP client/server based on the client requirements.
• Performed automation, trouble shooting and monitoring of the client/server ERP solution.
• Installed and managed the system with HMC.
• Configured and installed the web based system manager using the HMC.
• Installed VMware server 2 on the systems.
• Worked on VMware bench marking tools and troubleshooting devices.
• Worked on running the virtual machines from one server to other.
• Migrated virtual machines between the servers.
• Filesystem management on various platforms.
• Created Copies of Logical volumes on different physical volumes in rootvg or as requested by the application team.
• Created active and passive clusters in HACMP.
• Extended failover to backup resources at remote sites using optional PowerHA
• Preparation and execution of server patching and upgrade on more than 200 servers including HP-UX, AIX, Solaris and Red Hat Linux servers. Servers included AIX HACMP and HP-UX MC/ServiceGuard clusters.
• Installed and configured LAN and Flash copy.
• Performed server buildup, cloning of LINUX servers.
• Setup and configured VMware guests.
• 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 Lpar’s.
• Configured and administrated VIO server and Lpar clients.
• Administration Tasks included User administration, Performance, Sendmail, weekly mksysb
• Daily roles included dealing with LVM extensively. Strong hold of LVM.
• Migrated AIX 5.3 with HACMP 5.1 to HACMP 5.2 (online).
• Daily tasks included dealing with AIX side of SAN. Like troubleshooting Fiber card adapter, replacing Fiber card adapters. Configuring LUN’s back.
• Setup of full networking services and protocols on AIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Dealing with user id deletion with removing entries from CRONTAB.
• Performing Failovers in HACMP / cluster environment, monitoring servers
• Installed and configured AIX 4.3, 5.0, 5.1 on RS-6000's, creating the root volume group application/backup volume groups, logical volumes, and filesystems (JFS) on RAID Level 5 with appropriate data stripping for protection, and for the optimal performance of the RS-6000 Servers within a High Availability system using DASD, DCE and DFS services.
• Designed and configured Ethernet VLAN’s with RS/6000 IBM Servers, Cisco Routers (2500/2600 series) and Cisco Switches (Catalyst 2912) utilizing RJ45 CAT5 cables for the internal LAN, and a T1 fiber uplink across a Cisco backbone for connection on the WAN.
• Configured Work Load Management (WLM) for IBM Websphere Application Server.
• The migration task from websphere application server 5.1to web sphere application server 6.x was taken up on stand alone systems.
• Setup of full networking services and protocols on UNIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Backing up AIX servers using mksysb and ADSM/TSM using IBM 3494 automatic tape libraries and recovering

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

Confidential, Norfolk, VA

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).
• 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.
• 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, DB2, IBM HTTP Server, IBM Blade Center, Apache Web Server, LDAP, Tivoli, TSM, Web Sphere Application Server.

Confidential, East Hanover, NJ

AIX/UNIX Administrator

Responsibilities:

• 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, 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.