Experience Summary:

• Around 9 yrs of proven experience as System Administrator in installation, configuration, tuning, security, backup, recovery and upgrades of IBM AIX 4.3, 5.1, 5.2, 5.3, 6.1, VIO 2.1, 2.2, HACMP 5.4, 5.5, TSM, SAN, Solaris 7,8,9 and RHEL 4.5,5.1, and 5.3.
• Built and performed various Lpar migrations across different frames.
• Performed numerous OS migrations and TL upgrades.
• Performed and monitored daily tasks such as mksysb backups, failed logins, error report checks/required troubleshooting etcetera.
• Installation, administration of VIO Server and VIO client LPAR using NPIV and VSCSI.
• Experience in upgrading VIO servers.
• Experience Installation, Configuration and administration of standalone and virtual LPARs.
• Expertise in working with Shared Ethernet Adapter, Link Aggregation and NPIV technology.
• Experienced in configuring NIM server and clients, performed various installations and upgrades through NIM.
• Performed installation and administration of AIX HACMP Clusters.
• Technical expertise also include strong administration and maintenance of AIX Builds using HMC, NIM, mksysb, HACMP management and LPAR, on pSeries p550 thru p770
• Configuring and administration of weekly mksysb backup on AIX servers.
• Experienced in working on IBM BladeCenter (JS20, JS21, JS12 blades).
• Installed and Configured Web Sphere Application Servers on LINUX and AIX.
• Performed NT and UNIX Network System Administration, including adding NT and NIS domains, creating new users and groups with multi-levels of security, creating assign file attributes & permissions, defining network protocols, insuring TCP/IP and router connectivity.
• Experienced in Installation, configuration and maintenance of EMC powerpath and Hitachi/HDLMV Storage for load balancing and MPIO for redundancy in data paths. Adding network printers and conducting day-to-day system administration, including Netapp Storage backup in NAS/SAN environment.
• Experienced in Performance management and tuning.
• Installation, configuration and administration of IBM Web Sphere Application Server V6.0,7.0 on AIX along with DB2 UDB & IBM HTTP server with SSL for secure communication & providing technical support to users.
• Installation and support of IBM Websphere, Apache Web Server, IBM HTTP Web Server, Oracle 10g/11g, SQL Server on Windows and UNIX.
• Experienced in DNS, NIS, NFS, LDAP, send mail, ftp, remote access, security management, and system troubleshooting skills.
• Experienced in Installation and configuration of Red Hat Enterprise LINUX.
• Installation of RPM packages on LINUX
• Excellent client relation skills and the drive to complete tasks effectively, keeping all procedures and projects well documented.

Education:
Bachelor of Science

Certifications/Training:

• IBM Certified pSeries AIX 6.1 Administration
• Sun Certified System Administrator

Technical Skills:
Languages: C, C++, JAVA, JavaScript, HTML, PL/SQL, Shell Scripts.
Hardware: IBM p7, p6, p5, p4, RS-6000, Sun M5000, SunFire v480, 245, ULTRA Servers, IBM Workstations, Modems & Printers, Switches/Routers/ Hubs, Network Interface Cards.
Operating Systems: IBM VIOS 2.1, 2.2, AIX 4.x/ 5.1/ 5.2, 5.3, 6.1, RHEL 5.x, 4.x, Sun Solaris 7/ 8/ 9, Windows NT/ 2000/ XP.
Ancillary Skills: SAP Basis, UDB DB2, Oracle 9i/10g/11g, MS SQL server 7.0/2000; IBM WebSphere Application Server, IBM HTTP Server, Apache Web Server, IBM Tivoli Directory Server; TCP/IP, LAN/WAN, HTTP/HTTPS, RMI/ IIOP; SMIT, Samba, Logical Volume Manager, DNS, DHCP, NFS, NIS, ssh, LAN Cabling, Netapp Storage backup with SAN/NAS.

Experience:

06/12 - Current Confidential
Title: System Analyst / Unix Administrator

• Working as a Unix Administrator in IT infrastructure environment providing server administration, application administration and automation solutions to support business objectives.
• Provided UNIX infrastructure, operations and support for IBM pSeries servers running IBM AIX 5.x, 6.1 and 7.0
• Performed installation, periodic maintenance updates and applied APAR fixes.
• Responsible for installation, troubleshooting, configuration and maintenance of AIX and RHEL servers
• Sets up and configures network TCP/IP on LINUX and AIX servers including RPC.
• Installed and setup dual VIO server environment using NPIV, upgraded VIO Servers from 2.1 to 2.2.
• Installed and configured PowerHA 5.5 clusters.
• Responsible for managing resources on NIM server like lpp_source, spot, bosinst_data, image.data and scripted a process for creating mksysb of LPARs at regular intervals on to a NIM server.
• Clustered multiple servers using PowerHA
• Responsible for event processing, change management and problem determination in PowerHA/ HACMP environment.
• Installed and configured IBM Tivoli Network Storage Manager (TSM) client software for backup and recovery solutions, performed host based SAN configuration.
• Disk Management on AIX using SMIT.
• Installation and Administration of Tivoli Directory Server.
• Performance Management & Tuning of AIX /UNIX Kernel.
• Managing cron jobs, batch processing and job scheduling.
• Providing 24 x 7 support to the infrastructure development, on, development, testing, QC, Prepod, and production environment

06/11- 05/2012 Confidential, Minneapolis, MN
Title: Technical Webmaster / Aix Administrator

• Responsible for installation, troubleshooting, configuration and maintenance of AIX 5.3, 6.1 and RHEL 5.3 servers
• Installed and setup dual VIO server environment using NPIV, upgraded VIO Servers from 2.1 to 2.2.
• Installed and configured PowerHA 5.5 clusters.
• Responsible for managing resources on NIM server like lpp_source, spot, bosinst_data, image_data and scripted a process for creating mksysb of LPARs at regular intervals on to a NIM server.
• Installation and Administration of Tivoli Directory Server.
• Performance Management & Tuning of AIX /UNIX Kernel.
• Managing cron jobs, batch processing and job scheduling
• Responsible for monitoring of webservers (Apache servers, IBM HTTP and SUN webservers)
• Monitoring of Websphere and Liferay / Tomcat JVMS.
• Applying the patches to webservers with keeping the system level in the latest in a greatest as recommended by the client
• Making configuration changes to Apache and HTTP servers with based upon the development needs
• Runtime configuration changes to the JVMs, like Heap settings, Application configuration settings.
• Problem determination and Trouble shooting by taking the thread dumps and Heap dumps.
• Providing 24 x 7 support to the infrastructure development, on, development, testing, QC, Prepod, and production environment.
• Plan and managed installation of Application server patches, upgrades, migration and releases on development, test, QC, preprod and production.
• Extensively used Wiley interscope technology for monitoring runtime JVMs.

07/09- 05/2011 Confidential, Bentonville, Arkansas
Title: AIX Administrator

• Responsible for installation, troubleshooting and maintenance of AIX 4.x/5.1/5.2 /5.3/6.1 servers.
• Configured dual VIO server with SEA failover.
• Responsible for NIM installation, setting up NIM servers, clients, define the resources, Alternate Disk Migration with NIM
• Installs, configures and administers Websphere Application Server 4.x/5.0.
• Sets up and configures network TCP/IP on LINUX and AIX servers including RPC.
• Clustered multiple servers using PowerHA5.4.
• Responsible for event processing, change management and problem determination in PowerHA/ HACMP environment.
• Upgraded HMC from V7R350 to V7R720 and from V7R720 to V7R730Logical Volume Management (LVM) of AIX.
• Installed and configured IBM Tivoli Network Storage Manager (TSM) client software for backup and recovery solutions, performed host based SAN configuration.
• Disk Management on AIX using SMIT.
• Installation and Administration of Tivoli Directory Server.
• Performance Management & Tuning of AIX /UNIX Kernel.
• Managing cron jobs, batch processing and job scheduling.
• Software installation and maintenance.
• Security, Disaster Recovery, users and groups administration.
• Networking service, performance, and resource monitoring.
• Host based SAN configuration and System & Backup management using IBM TSM Server.

07/08 - 06/09 Confidential, Detroit, MI
Title: AIX/System Administrator

• Worked as Unix Administrator in IT infrastructure environment providing server administration, application administration and automation solutions to support business objectives.
• Provided UNIX infrastructure, operations and support for IBM pSeries servers running IBM AIX 5.2 and 5.3
• Performed installation, periodic maintenance updates and applied APAR fixes.
• Responsible for performance tuning of AIX systems, applying upgrades to AIX (current version 5.2 and 5.3).
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Maintained availability, increased capacity & performance of production machines by upgrading their hardware (disks, CPU, memory, io board, power cooling unit, mother board etc) & firmware.
• Maintained system security protecting the data on the system by modifying the file and directory permission. Analyzed system performance, Reallocated of kernel resources.
• Performed process automation, scheduling of processes using CRON jobs.
• Installed and configured Oracle 9i in Solaris OS. Worked with DBA team in tuning kernel parameters for database setup and performance.
• Configured and installed servers for Solaris9 using Custom jumpstart installations through jumpstart server.
• Worked in the project of configuring NIS Servers (Master and Slave) and NIS clients and maintained system and custom configuration files in NIS maps.
• Maintained intranet DNS environment by configuring Primary and Secondary Domain Name Servers and DNS clients.
• Reconfigured IBM Total Storage SSA Raid arrays (7133-D40/O20), periodically updated microcodes for array components, performed problem determination and advanced diagnostic procedures using diag and SSA service aids.
• Performed administrative tasks such as System Startup/shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management, dumb terminals and devices carried out

06/07-06/08 Worked in the Engineering field at Confidential

10/05-06/07 Confidential, Detroit, MI
Title: AIX Administrator/ Support

• Experience in configuring volume groups and logical volumes, extended logical volumes for the system growth needs using Logical Volume Manager (LVM).
• Administering and troubleshooting of HACMP Clusters.
• Proficient in Backup utilities, Restoring, Mirroring and Cloning.
• Experience in planning, coordinating and administration of Storage (SAN, NAS) and Backup systems.
• Well versed with various concepts and key features of Storage Area Networks (SAN) like built-in redundancy and dynamic failover protection.
• Hands on experience in setting up and configuring networks TCP/IP on UNIX servers including RPC connectivity for NFS.
• Familiarity in the configuration and usage of TSM - Storage Pools, Policy Domain, Policy Set, Management Class groups.
• Good knowledge in application of fault-tolerant and fail-safe IBM clustering technology, HACMP for IBM RS/6000, IBM eServer pSeries.
• Experience in capacity planning strategies, implementing performance / usage data collection.
• Installation and support of Apache Web Server, IBM HTTP Web Server, Oracle 8i/9i/10g, SQL Server on Windows and UNIX.
• Performed NT and UNIX Network System Administration, including adding NT and NIS domains, creating new users and groups with multi-levels of security, creating assign file attributes & permissions, defining network protocols, insuring TCP/IP and router connectivity.
• Installation, configuration and administration of JBoss Application Server, Apache Web Server, IBM HTTP Web Server, Oracle 8i/9i, SQL Server on Windows and AIX.
• Strong in Documentation practices and preparing Company Specific Procedures for various UNIX and related tasks.
• A wide-range of responsibilities ranging from building new systems, contributing innovative methodologies and alternatives to the growth of the company having excellent client relation skills and the drive to complete tasks effectively and efficiently.
• Worked as Administrator, configured and maintained AIX servers.
• Used the LVM extensively, created/modified/deleted Volume Groups, Logical Volumes and File systems; Added/Removed physical disks; Mirrored Volume Groups and Logical Volumes.
• Administering and troubleshooting of AIX HACMP Cluster.
• Solved hardware and software problems over the phone or during walk-in sessions.
• Installed and configured openssh for secure authentication across Solaris, Linux, AIX servers.
• Managed new and existing ODCS (Open Distributed Computing Structure) projects.
• Setup of print queues and definition printing and plotting devices.
• Setup NIS in a multi-platform UNIX environment.
• Setup NFS between IBM, workstations and servers.
• Setup NFS between IBM RS/ 6000 server and NT server.
• Setup NIM and install clients.
• Configured TCP/IP for servers and workstations and setup of complete network.
• Wrote several korn shell scripts to perform basic backups, distribution of data to other servers, backup operations and management of large volumes of CAD data.
• Involved in user, package and patch management and administration.
• Installation and maintenance of the Internal DNS server.
• Firewall configuration for packet filtering firewall.
• Installed and configured AIX on IBM RS6000, Solaris on SUN Enterprise servers for production and test servers with different products like Netscape Directory server, Java, BEA WebLogic, versata and Netscape servers.
• Network administration and Network monitoring
• Configured NFS, NIS on Servers on Production boxes
• Web Server support, PSSP and AIX upgrades and implementation of ITSC 104 security fixes.
• Implemented RAID techniques (RAID 0+1, RAID 5) by using VERITAS Volume Manager and Online Disk Suite (ODS).
• Configured the printers with the use of admintool and command level.
• Implemented Crontabs, Shell Scripts for automatic back -up.

03/04-09/05 Confidential
Title: UNIX Administrator

• Installed and managed several IBM RS/6000 AIX systems which include disk management, user management, network management, performance management, test and development projects running on AIX 4.x.
• Software and Hardware upgrades of AIX systems installed and worked on various Volume managers.
• Maintenance of the WebSphere servers on different UNIX platforms and setting up the development and testing and staging environment for the ongoing application development.
• Attended weekly change management meeting and suggested various changes.
• Implemented all changes by following change management rules.
• Strong Shell programming for application management, performance and security monitoring including their maintenance. NFS and DNS management.
• Coordinated with DBAs, users, developers and vendors.
• Implemented Crontabs, Shell Scripts for automatic back -up.
• Involved in user, package and patch management and administration.
• Supported all the internal terminal nodes.