Profile:

• Aix System Administrator with more than SIX years of experience in Administration and Development of UNIX Systems.
• Experience in installation, configuration, maintenance, development, implementation, and support on IBM AIX 4.3/5.x/6.1 Linux and Windows Operating Environments.
• Expertise in Planning, Installation, Configuration and Maintenance of IBM HACMP V4.5 and V5.1.
• Supported WebSphere App servers in AIX and Linux environment for various projects.
• Experience with LVM, NIM, User & System Resource Management, Job Scheduling and Paging Space Management.
• Experience in HP-UX on HP Superdome, L & V class & AIX administrator on IBM RS6000 servers.
• Experience in Configuration of multiple logical subsystems utilizing IBM HMC with LPAR configuration, NIM to install and manage LPAR. Good understanding in Virtualization on IBM P5 systems.
• Knowledge and experience in supporting different databases like DB2, Oracle on AIX.
• Experience in LPAR, Dynamic LPAR and different servers in power 5 and power 6 machines like p595, p650, p570 and p690.
• Experienced working in IBM, Hitachi, SAN environments including Shark, DS6000, DS8000 and DS4500.
• Experiencing building NIM servers and clients
• Experience working with Shell scripting (korn,bash) to automate system administration tasks
• Supported IBM HTTP/ Apache Web Servers in AIX and Linux environment for various projects.
• Experienced in creating CRON jobs to automate various system administration tasks using Crontab Utility.
• Experience in AIX System LVM, with filesystems, paging space, dump devices, resizing Dump devices, understanding errpt reports and coordinating on different issues with IBM System Support Center.
• Experienced in monitoring system performance and check the status of the system using utilities such as TOPAS, GLANCE, NMON, VMSTAT, IOSTAT, etc.
• Experienced in configuring the network on the adapters using smit mktcpip and smit chinet.
• Expertise in implementation and designing of disaster backup and recovery plan.
• Knowledge of networking (TCP/IP, Ethernet), DHCP, NIS, DNS, NFS and RAID.
• Experience on working with Remedy ticketing tool, to generated and solve tickets, resolved issues in quick times to improve efficiency of the servers.
• Provided all environment support in an on-call rotation in a 24x7 environment.
• Excellent communication and problem solving skills.

Technical Skills:

Operating Systems:IBM AIX (4.3, 5.1, 5.2, 5.3, 6.1), Linux (Red hat), HP-UX, Solaris, Windows 03/00/NT4.0.
Web Servers: Apache Http Server, IIS 4.0/5.0, IBM, MQ Series, WebSphere Application Server

Professional Experience:

Confidential,Ohio Nov 2011 – April 2012

AIX/UNIX Administrator

Responsibilities:

• Installed AIX 5.2/5.3/6.1 on Power5 and Power6 machines.
• Performed configuration and periodic updates on pSeries machines, through applying technology level, fixes and microcode update
• Installed and configured HACMP v5.2 and v5.4.
• Performing Failovers in HACMP cluster environment, monitoring servers.
• Install and manage several IBM RS/6000 AIX systems, which include performance management, network management, user management, disk management, test and development projects running on AIX.
• Upgraded HMC v6 to v7
• Performed maintenance on AIX RS/6000 machines, such as tape and hard drive replacements, make and change logical volumes and file systems.
• Install and manage 90 systems for various production and development projects running on AIX with Oracle, DB2.
• Installed and Configured WebSphere Application Servers on Linux and AIX.
• Upgraded dual VIO from v1.5 to 2.1 servers.
• Built LPAR’s on p series machines.
• Performed migration from older Solaris machines to Aix P series.
• Responsible of installing TSM clients and performing backup and restore.
• Worked on IBM SAN DS 4700 and DS 6000.
• Responsible for the upgrades to AIX and software packages and maintained them in accordance with established policies, procedures and service level agreements.
• Assist in the setup of a Web development environment on AIX platform
• Attend weekly change management meeting and suggest various changes.
• Implement all changes by following change management rules.
• Performed TSM v5.5.1.0 management on client’s side.
• Extensive Shell programming for application management, performance and security monitoring including their maintenance.
• Coordinate with App owners, DBAs, users, developers and vendors to resolve issues.
• Software and Hardware upgrades of AIX systems.

AIX Administrator Dec 2008– Oct 2011

Responsibilities:

• Implement, install and support high availability cluster on IBM RS6000 and pSeries platform (HACMP for AIX).
• Migrated application and other software modifications from the development environment to production.
• Expertise in Logical Volume Management (LVM)
• Performed firmware upgrade on IBM p550, p570 and p590 machines.
• Setup of full networking services and protocols including NIS/NFS, DNS, SSH, DHCP, TCP/IP to insure optimal networking, application
• Installed WebSphere Application Server, IBM HTTP/ Apache Web Server in AIX environment.
• Perform User Account management, data backups, and users’ logon support
• Document installation procedures, changes required in present environment.
• Helped to establish standards, policies and procedures for all aspects of UNIX server environment (e.g., configuration, administration, documentation, etc.)
• Installed and configured VIO server’s v2.1
• Built LPAR’s by assigning appropriate resources on IBM p570 and p590 machines
• Specifying and procuring new AIX systems, hardware and software upgrades and peripherals.
• Define standards for installation and support for RS/6000 platform.
• Test and install various patches (Fix Packs) on the servers to solve the problems encountered by the applications running on the servers.
• Attend weekly change management meeting and suggest various changes.
• Implement all changes by following change management rules.
• Configuration management including the building of LPARS on p570 servers and configuring the hardware devices that support them.
• Day-to-Day trouble shooting for the end users on AIX 4.3/5.2/5.3 based applications
• Excellent documentation skills of making procedures.

Confidential,Missouri

AIX Administrator Apr 2007 – Nov 2008

Responsibilities:

• Responsible for installing, configuring and maintaining AIX servers including the logical partitioning on p690 and p650 servers.
• Extensive use of LVM, creating Volume Groups, Logical volumes, and disk mirroring.
• Performance Management & Tuning of AIX 5.2/5.3 UNIX Kernel.
• Implemented TSM backup Solution across the environment to backup the rootvg for all AIX servers.
• Day-to-Day trouble shooting for the end users on AIX 4.3/5.2/5.3 based applications.
• Perform User Account management, data backups, and users’ logon support.
• Develop Shell scripts (Korn) for automating the batch jobs.
• Ensured server data integrity by evaluating, implementing and managing software solutions like Tivoli Storage Manager.
• Installed and configured IBM WebSphere Application Server 3.5/4.0/5.0 on AIX and Linux.
• Cloned installations across multiple systems using Network Installation Management.
• Configuration management including the building of LPARS on p570 servers and configuring the hardware devices that support them.
• Good understanding of Advanced POWER Virtualization on IBM p5 Systems.
• Helped to establish standards, policies and procedures for all aspects of UNIX server environment (e.g., configuration, administration, documentation, etc.)
• Coordinate with App owners, DBAs, users, developers and vendors to resolve issues.
• Part of change team meetings all hardware and software changes done in the environment.

Responsibilities:

• Configured AIX servers for maximum performance in a production environment, including kernel tuning and compiling, configuring systems with various raid, strip and mirroring configurations.
• Performing System Storage management/LVM tasks like creating volume groups, PV’s, LV’s and jfs/jfs2 File systems, mirroring, VG’s, LV’s and mounting File systems.
• Administering and troubleshooting of AIX HACMP Cluster.
• Managing the user environment by adding, modifying and removing user accounts from the environment and limiting access to appropriate nodes.
• Test and install various patches (Fix Packs) on the servers to solve the problems encountered by the applications running on the servers.
• Migrate application and other software modifications from the development environment to production.
• Develop Shell scripts (Korn) for automating the batch jobs.
• Day-to-Day trouble shooting for the end users on Solaris based applications.
• Specifying and procuring new AIX systems, hardware and software upgrades and peripherals.
• Optimize administration and distribution of space in disk for the Oracle database.
• Maintaining the hardware environment by adding new components as required and preparing the environment for additional equipment (power, networking).
• Coordinate with App owners, DBAs, users, developers and vendors to resolve issues.
• Update data in inventory management package for Software and Hardware products.
• Part of change team meetings all hardware and software changes done in the environment.