SUMMARY

• 6+ years of proven experience as System administrator on IBM AIX 4.x, 5.1, 5.2, 5.3, 6.1, Linux (RedHat and Windows NT/2000/XP.
• Experience in installation, configuration, tuning, security, backup, recovery and upgrades ofIBM AIX.
• Experience in IBM AIX hardware components (RS/6000, pSeries), trouble - shooting and maintenance of systems.
• Extensive knowledge ininstalling AIXin a LPAR environment pSeries.
• Experience in installation and configuration of Virtual I/O Server (VIOS) and VIO client LPAR’S, NIM server and NIM Clients.
• Maintain and use NIM Master for installs and upgrades. Plan and implement service updates
• Expertise in Planning, Installation, Configuration and Maintenance of IBMHACMP V 5.1, 5.2, 5.3 and 5.4. Reduce planned downtime, Reduce unplanned downtime, Increase Maintenance availability.
• Experience in Migration of HACMP 4.3.1/4.5 to 5.1 and 5.1 to 5.2, 5.3 using Node-by-Node migration without changing the cluster setup.
• Experience in Administration Concepts such as Virtualization and logical partitioning of CPU, HMC usage, Workload Manager.
• Experienced in administration of JCAPS; installation, configuration and troubleshooting issues with JCAPS team.
• Experienced in Tivoli Storage Management, creating TSM Servers and Clients, performing backups.
• Adding Physical Volume, Migrating Physical volume, Importing and Exporting volume group, Paging space and Mirroring using LVM and Veritas Volume Manager.
• Experience in DNS, NIS, NFS, LDAP, Send mail, ftp, remote access, security management, and system troubleshooting skills.
• Experience in Migrations and Decommissioning of the systems.
• Managing cron jobs, batch processing and job scheduling.
• Performed System Backup local systems and Veritas Net backup for enterprise wide backup and recovery and to centrally manage storage resources through a single console.
• Efficiency in installing, configuring and implementing the RAID Technologies using various tools like Veritas volume manager, Solaris volume manager Creating VERITAS file systems, UFS, ZFS, etc.,
• Experienced in increasing the file system, create Mirroring, striping and parity using Veritas volume manager (VxVM)
• Experienced in implementing the Workload Management (WLM) using cloning and clustering.
• Experienced in Installation, configuration and maintenance of EMCpowerpath for load balancing and MPIO for redundancy in data paths.
• Experience in Installing, Configuring and Trouble-Shooting Web Servers like IBMHTTP Web Server, Apache Web Server,WebSphere Application Servers, Samba Server on AIX. Everyday administration tasks - adding and removing users file and share permissions, trust management, replication management, server backups, and server setups.
• Responsible in working on slow servers and increasing performance through performance monitoring tools like vmstat, iostat, sar, nmon.
• Everyday Network administration tasks - adding and removing users file and share permissions, trust management, replication management, server backups, and server setups.
• Excellent knowledge in writing Shell Scripts; KORN and BASH.
• Experience working in NFS/NAS, Storage Area Networks (SAN), SSA disk storage environment.
• Providing 24X7 On-call Production and Customer Support including trouble shooting problems related to IBM AIX pSeries servers
• Excellent client relation skills, team worker, ability to quickly adopt and work under minimal supervision.

TECHNICAL SKILLS

Operating systems: IBM AIX 4.3, 5.1, 5.2 and 5.3, 6.1, RedHat/SuSE LinuxMS Windows 98/2000/NT/XP.

Hardware: IBM RS/6000, SP2, p670/680/690(Regatta) series, p595, p570, p550, p5-550q, p5-540, S85, S80, H80, H70, H50, EMCSymmetrix,Clariion, EMCCelerra, DS4300, F50/40, 3494/3584 ATL Tape Library, IBM 3494, 3583 Automated Tape Library.

Languages: C, C++, Shell Scripting, SQL, PL/SQL, HTML, XML.

Database: Oracle 9i/8i,IBM DB2, MS-SQL Server, MS-Access

Tools: LVM, NIM,HMC, TSM and Veritas Net Backups.VERITAS Volume Manager 3.x/4.x/5.x, VERITAS File System 3.x/4.x/5.x, Solaris Volume Manager / RAID, Solstice Disk suite 4.x

PROFESSIONAL EXPERIENCE

Confidential, AR

Aix Administrator

Responsibilities:

• Provide onsite and remote support for AIX Server’s.
• Experience with installation, configuration, upgrade and administration of IBMpSeries and Power5/Powerer6/Power7 servers on various levels of AIX operating system utilizing environment.
• Created /Installed and Managed 100+ LPAR on p570 and p770 power7 machines.
• Performed AIX 5.3 / 6.1 installation using Media and mksysb using NIM servers.
• OS Migration from AIX 5.3.5, 5.3.11 to AIX 6.1.4 using Media and mksysb using NIM servers.
• Upgrade of AIX TL and SP to latest level using NFS mount and alt disk.
• Installed and Configured powerHA 5.5 and 6.1
• Migrated the HACMP clusters 5.3,5.4 to 5.5 and 6.1
• Supporting and managing IBMpseries servers (P5/P6/P7) using HMC1 version V7R3 and HMC2 version V7R7.
• Created/Installed/Configured Dual VIO servers version 2.1.3 and client Lpar’s from scratch on p770power7 Frames with SEA failover.
• Set up and configure virtual resources’ (virtual SCSI, virtual Ethernet, and virtual FC).
• Assigning Integrated Virtual Ethernet also known as LHEA (Logical Host Ethernet Adapter) to the Lpar’s to configure IP address.
• Migrated SAP R/3 Technical Upgrade environment includes AIX servers from AIX 5.3TL5 to AIX 6.1TL4.
• Create standard LPAR, performing DLPAR operations to manage resources between machines.
• Extensively working experience in LVM, which includes creating VG, LV and file system.
• Configured and troubleshoot LVM and network related problems in AIX.
• Backup rootvg through mksysb and using Control M Job scheduling software on daily and weekly basis.
• Created user accounts and groups and performed user account management.
• Configure IBMDS8300 storage, configure arrays and created logical drives and mapped with the VIO Servers.
• Experience in supported Solaris and Linux Servers
• Network trouble shooting, performance, and resource monitoring using monitoring tools like Topas, nmonSAR etc.
• Configured SSH for secure telnet and FTP connections.
• Performed administrative tasks such as System Startup/shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management.
• Configure/Troubleshoot network printers and various printing devices (HP JET DIRECT).
• Setup DR Environment at DR site. This setup includes creating and configuring virtual clients LPAR, installing AIX images from existing servers and performing DR test.
• Monitor and ensure that backup server(Backup Express version 3.1) maintenance tasks are successful on a daily basis, correcting any errors when necessary.

Confidential, Jacksonville, FL

AIX Administrator

Responsibilities:

• Responsible for Installation, Configuration, Support and Troubleshooting existing systems in AIX 5.2 and 5.3 operating environment.
• Responsible for the operation, maintenance and integrity of a distributed, networked AIX based environment
• Setting up NIM servers and clients for New & Complete Overwrite/Migration Installation management and Nimadm Upgrade.
• Performed various methods of AIX Installation/Migration using alternate disk installation (NIMADM), Network Installation Manager (NIM).
• Have upgraded servers from AIX 5.1 and 5.2 to 5.3.
• Experience with installing and upgrading powerpath, SYMCLI and ECC Master Agent.
• Have extensively performed IP Migration for the servers in various UNIX platforms(AIX, Linux) so that servers having similar applications are on same domain.
• Responsible for implementing multi path i/o(MPIO) for high availability of application and data.
• Responsible for testing a manual takeover configuration in a HACMP environment using clstat, clverify, etc., commands.
• Configuration management including the building of LPARs using HMC and configuring the hardware devices that support them.
• Extensively used LVM - created VGs, LVs & disk mirroring for IBM p-series servers.
• Experience in studying the kernel performance issues using various utilities like topas, vmstat, svmon and iostat.
• Responsible for backing up the system image “mksysb” and restoring them during the system recovery process.
• Capacity planning of disk space and hardware resources required for production and developments.
• Installed and configured Sudo for users to access the root privileges.
• Utilized the crontab utility to schedule various System admin tasks.
• Have performed network backup, restore and archiving of network clients using TSM.
• Have installed and configured Tivoli Monitoring Agent on AIX/LINUX.
• Strong Shell programming for application management, performance and security monitoring including their maintenance.
• Responsible for migrating and decommissioning of the system.

Confidential, IL

Operation / Aix Administrator

Responsibilities:

• Provided server and applications administration including IBM AIX P-Series and P5 systems.
• 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.
• 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.
• Performed administrative tasks such as System Startup/shutdown, Backup strategy, Documentation, User Management, Security and Network management.
• Provided UNIX infrastructure, operations and support for IBMP-Series 650, 670,690 and P5 servers P570/590/595
• Performed installation, periodic maintenance updates and apply APAR fixes.
• Configured IBM RS 6000,550,520,610 machines for production, staging and test environments.
• Setup and configured network TCP/IP on AIX including RPC connectivity for NFS.
• 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.
• Configured Work Load Management (WLM) for IBM Websphere Application Server.
• 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
• Installed and configured Sudofor users to access the root privileges.

Confidential, IL

AIX Administrator

Responsibilities:

• Setup and configured TCP/IP network on LINUX and AIX.
• Worked with implementation team of high availability cluster on IBM RS/6000 platform (HACMP for AIX)
• Creating LPARS and configuration of DLPAR scripts for load sharing
• Installed and configured network services such NFS, NIS and DNS Server
• Adding physical volumes, creation Volume groups, File systems, Storage allocation, cron jobs, maintenance levels upgrades and applied Fixes for AIX 5.x
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands
• Worked in the migration team for migration from AIX 4.3.3 to 5.2.
• Configured backup/archive policies using Tivoli Storage Manager
• Modified Korn and Bourne shell scripts in order to automate administration tasks like customizing user environment and performance monitoring.
• Performed routine checks on nodes by monitoring syslogs and errorlogs for system and hardware errors.
• Setup cron jobs schedules for various backup and monitoringtasks.xsupported with enterprise backups using VeritasNebackup version 4.5
• Monitored system performance with conventional tools like iostat, netstat, vmstat and topas