Qualification Summary:

• An IBM Certified Specialist in UNIX/AIX Administration with 9 years of experience with UNIX
• Operating systems such as IBM AIX, HP-UX and Sun Solaris, LINUX and Windows Servers
• Thorough understanding of fundamentals of AIX UNIX kernel and file system concepts.
• Experience in installation, configuration, tuning, security, backup, recovery and upgrades of IBM AIX.
• Experience in Installation and configuration on IBM p-Series servers p795, p770, p595, p590, p570, p550 and p520, JS21 Blade, JS20 Blade
• Experience in installation and configuration of Virtual I/O Server VIOS 1.1, 1.3, 1.5.
• Experienced in AIX Migration Installation, Preservation Installation and Complete Overwrite Installation using CDROM and configuring NIM Server.
• Experience in installation of AIX in an LPAR environment pSeries.
• Experienced in Administration Concepts such as Virtualization and logical partitioning LPAR of CPU, HMC usage, Workload Manager
• Expertise in SMIT, LVM, Mirroring, Paging Space management, job scheduling, Performance monitoring, Error logging, Diagnostics, and Fine-tuning.
• Configured HACMP 4.x/5.x to monitor, Disaster recovery, detect and react to failure events, allowing the system to stay available during random, unexpected software problems and also configured to react to hundreds of system events.
• Implementation and Administration of DHCP, NFS and NIS on AIX.
• Experience in DNS, NIS, NFS, Send mail, ftp, remote access, security management, and system troubleshooting skills.
• Expert in setting up SSH, SCP, SFTP connectivity between UNIX hosts.
• Good understanding of error logging subsystem and Performance Monitoring tools like vmstat, iostat, netstat on AIX 5.3, 6.1.
• Familiar with Tivoli Storage Manager TSM for backup automation with policies configuration for Web based databases, setup consisted of server and client backup with progressive backup methodology
• Expert in configuring a TCP/IP network on AIX, creating mount points for Server directories and mount these directories on AIX servers.
• Resolved many Application Startup problems, PATH problems, and Name conflicts, TCP/IP, LAN /WAN, Sys logging and Networking Problems.
• Excellent in troubleshooting and Maintaining AIX and Patching.
• Applying patches, fixes, TL to OS and upgrading p5, p6, p7and HMC hardware firmware.
• Experience with working in Production, Development and testing environment.
• Team player with excellent communication and inter-personal skills.

TECHNICAL SKILLS:

Professional experience:

Confidential

Sr. AIX System Administrator

• Responsible for Steady State Team With more than 900 servers.
• Provided 24x7 supports on shift rotation basis
• Experienced with installation, configuration, upgrade and administration of IBM pSeries 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.
• Supporting and managing IBM pseries 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 p770 power7 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 IBM DS8300 storage, configure arrays and created logical drives and mapped with the VIO Servers.
• Network trouble shooting, performance, and resource monitoring using monitoring tools like Topas, nmon SAR 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.
• Implemented the various security features in the UNIX/AIX environment using LDAP like configuring user authentication, Keonizing.
• Responsible for joining the servers to the zone so that the users get authenticated and authorized through LDAP, Kerberos and Active Directory
• Migrated AIX 5.3 with HACMP 5.1 to HACMP 5.2 online
• Performing Failovers in HACMP cluster environment, monitoring servers
• Performed installation, periodic maintenance updates and applied APAR fixes.

Confidential

AIX System Administrator

Responsibilities:

• Responsible for maintaining 950 AIX Servers and 800 Solaris servers.
• Building servers depending on the requirement of the application.
• Building of VIOs and VIO LPAR's on p-series 770, 795, 595, 590, and 505 servers.
• Upgrading Technology level TL and upgrading and installing db2 fix pack.
• Installed Security Fixes and APAR's.
• Installing Tivoli on AIX Lpars.
• Installing MQ Client on lpars.
• Strong understanding of networking concepts and implementation of linux-based infrastructure solution.
• Possess excellent knowledge of linux .
• Worked on ESM Enterprise Security Manager and remediate different kind of security violations.
• Evaluate and install new software-related problems as well as perform system backup and recovery on linux servers.
• Used Peregrine and Service Now ticketing tool for Steady state issues.
• Used ESM Enterprise change management for change management.
• Running Production reediness check list on the Lpars to see if it is ready for Release.
• Worked on P1S3 issues very closely with customer to solve performance issues like paging space, CPU, memory. Used Nmon analyzer, TOPAS, vmstat for analyzing performance of the machine.
• I supported Oracle/db2/DBA database/application.
• Depending on the requirement of the application I create prime request SAN request and attach disk to the lpars.
• Helped db2 team to upgrade dblevel.
• Worked on HACMP System Administration problem determination, planning and implementation.
• Created LVM Logical volume management i.e. Volume groups, Logical volume and File system then giving ownership and permissions to the filesystems.
• Changed and modified entitlement and memory on the lpar through HMC Hardware management console ,
• Upgraded HMC from 7.0 to 7.3.
• Upgraded the HMC V6 to HMC V7 GUI
• Building of new VIO Servers and clients from p-series p550, p590, p795 using HMC.
• Setup and configure TCP/IP.
• Worked on SAN storage.
• Creating SEA shared Ethernet adapter to bridge between Ether Channel and Virtual Ethernet Adapters.
• Restoring the mksysb operating system from NIM server Network Boot .
• Installed ESM Enterprise security management Tivoli on Aix, Linux and solaris servers.
• Worked on creation of users and group i.e. worked as User administrator.
• Installed and configured Tivoli monitoring ITM5 6 on AIX.
• Worked on TSM backup related issues.
• Used Brews for checking netbackup status of file systems on tapes.

Environment: AIX 6.1/5.3/5.2/5.1/4.3.3, p770, p795 p670, p7, p6 p5 series p595, p590, p550, P4Series, Redhat Linux 5.5/6. RS/6000 F50 Server, SDD 1.2.0.4, TSM Server 5.2, Clients 4.1, ATL7100 tape library, Perl 5.6, KSH, BASH, NAS Storage Netapps .

Confidential

AIX Engineer

Responsibilities:

• Managing SAP environment which includes 700 AIX servers using AIX 6.1 TL5, TL6.
• Managing and support 200 VIO server 2.1 and 2.2
• Responsible for installation, configuration, support and troubleshooting existing systems in AIX 6.1/5.3
• Installed and racked p6-570, p7-770/795 servers from the scratch, cabled and documented.
• Configure the Blade Chassis and install the VIO server and clients
• Perform LPM between the frames and the blade servers.
• Install, configure and testing the VIO servers fail over.
• Part of the DR implementation.
• Created/Installed/Configured eight Dual Virtual I/O servers on p6-570 with SEA failover, MPIO and link aggregation on p6-570. Performed testing to verify failover and fallback of Dual VIO server.
• Create standard LPAR and DLPAR operations.
• Create, Installed, Configured Virtual I/O server with NPIV configuration.
• Configured Link Aggregation, Shared Ethernet and MPIO on Virtual I/O server.
• HMC migration from version 6x to 7x
• Setup SSH on AIX 6.1 servers
• Sudo setup on AIX 5.0, 5.1, 5.2, 5.3 and 6.1
• Install golden image of AIX 6.1 using Storix System Backup utility.
• Installed AIX 5.3 and 6.1 using Media and mksysb.
• Upgrade the firmware of managed systems p6-570 / p5-570/550/520/55A,
• Upgraded HMC firmware from version 6 to 7.
• Use Avocent KVMs and hardware management console HMC to stage and monitor headless NIM installations.
• Installation and configuration of NIM master server and clients, creating lppsource and SPOT for client on NIM server.
• Provide day to day support by using SM7 Ticketing system.
• Configure and support power path issues and up gradation.
• Upgrade and install Powerpath version 5.5 on clients
• Provide support to SAP application.
• Working with different team and projects
• Providing TSA support.
• Planning and implement VIO and AIX server upgradation.
• Experience in manipulating JFS/JFS2 files systems including creation, modification deletion.
• Created user accounts and groups and performed user account management.
• Provided 24 7 on call production support and resolved tickets.

Environment: AIX 6.1/5.3/5.2/5.1/4.3.3, p670, p6 p5 series p595, p590, p550, P4Series, RS/6000 F50 Server, Solaris 2.8 and Solaris 10, SDD 1.2.0.4, TSM Server 5.2, Clients 4.1, ATL7100 tape library, Perl 5.6, KSH, BASH, NAS Storage Netapps .

Confidential

Role: UNIX/AIX System Administrator

Responsibilities:

• Responsible for installation and maintenance of 5.1,5.2 AIX servers
• Installation of patches, packages on AIX, and Windows NT/2000 Servers.
• Adding network printers and conducting day-to-day system administration, including backup/recovery in NAS environments.
• Installation, Administration and configuration of LPAR's with AIX 5L on p5 servers
• Experience of creating and installing standard LPAR and VIO client LPAR using HMC
• Installation, configuration and administration of IBM Web Sphere Application Server V4.0, on AIX along with DB2 UDB IBM HTTP server with SSL for secure communication providing technical support to users
• IBM RS/6000 SP System Software Maintenance AIX System Dump Generation and sending System Dump to AIX System Support Center.
• Network management of TCP/IP networks, IP address management. Performing upgrades of OS and applications. Tested products for evaluation purposes and documented for necessary changes required as per environment Korn C shell scripting, mainly for scheduling jobs CRONTAB Inventory management for Software and Hardware.
• Disk Replacement Strategy on AIX.
• Logical Volume Management LVM of AIX.
• Performance Management Tuning of AIX UNIX Kernel Security, users and groups administration Provided support by 24x7 shift rotation basis and pager support Monitored trouble ticket queue to attend user and system calls. Attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment. Environment:AIX6.1/5.3/5.2,Pseriesp550/p690/p650/p615/7026/7038,HMC 7.3.xRelease2/6.1.2,VIOos2.1,DS4300/FastT200/EMCClariion,Egate,LawsonTSM5.3.3/5.4.1 /5.5.2/6.2.0RHEL 2.4.2/2.6.9, Websphere Application server 6.0-6.1, Weblogic 8-9, Lawson 9

Confidential

Role: UNIX/AIX System Administrator

Responsibilities:

• Installed and upgraded operating system AIX 5.1/5.2 to AIX 5.3 and AIX 6.1
• Installed and upgraded service pack ML08/ML09 for AIX 5.3 and latest fixes
• Built and Created Several LPARs using VIO Server and HMC
• For the Performance Tuning used HMC to allocate and reallocate the CPU micro partitioning on the LPARs under different VIO Servers.
• Installed several application software, handled trouble shooting, user management and hardware support, backup and restore patches, upgrades.
• Handled NIM, User System Resource management, job scheduling, and Paging Space management.
• Extensively used LVM, creating Volume Groups, Logical volumes, and disk mirroring.
• Added new storage on the LPARs by using HMC/VIO server
• Involved with making the documents of HACMP upgrade from HACMP v5.2 to HACMP v5.4
• Installed and configured HACMP 5.4 cluster for upgrade testing purpose
• Installed and Upgraded HACMP v5.2 to HACMP v5.4
• Installed DB2 database, Opsware client on different Servers and HACMP clusters
• Installed TSM client, configure the server and DB2 database backup to the TSM server for different Servers and HACMP Clusters.
• Managed data backups, archives, restoration and recovery.
• Upgrade the Network Interface speed from 100 MBPS to 1000 MBPS on different servers/clusters for the adsm backup and network performance
• Performed day-to-day jobs such as monitoring log files, writing and running the scripts to automatically watch the resources, CPU, memory, I/O, and paging space.
• Ensured 24 7 System Support for the mission critical data in production Environment.

Environment: IBM AIX, p5-550, p5-570, p6-570, RS/6000, DMX 2000, CLARiiON FC4700, TSM, DS6000, WebSphere Application server .x, DS8100.

Confidential

AIX/Linux Administrator

Responsibilities:

• Worked with 100 IBM servers such as IBM RS/6000, p670, p5-570, p5-595 servers running AIX 4.3.3, 5.1, 5.2 and 5.3
• 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, 5.1 to 5.2 and 5.3.
• 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 monitoring tasks. supported with enterprise backups using Veritas Nebackup version 4.5
• Installed, configured and administered Websphere Application Server 4.x/5.0
• Setup and configured network TCP/IP on LINUX and AIX servers including RPC.
• Experienced in installation and configuration of HACMP.
• Installation/Administration of TCP/IP, NIS/NIS , NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client's requirement.
• Logical Volume Management LVM of AIX
• Predefined and Customized Volume Group management on AIX.
• Disk Management on AIX using SMIT.
• Installation and Administration of Tivoli Directory Server.
• Disk Replacement Strategy on AIX.

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.
• Familiar with IBM Enterprise Storage Server ESS .

Environment: Hardware: IBM AIX 4.3, 5.1, 5.2, 5.3 RS/6000 SP frames, HP Tivoli Storage Manager, pSeries servers p670, p5-570, p5-595 , EMC Celerra File Server, EMC Symmetrix, Perl, Korn

Confidential

AIX/UNIX Administrator

Responsibilities:

• Installed and upgraded operating system AIX 4.3/5.1/5.2 to AIX 5.3
• Installed and upgraded service pack ML05/ML06 for AIX 5.3 and latest fixes
• Built and Created Several LPARs using VIO Server and HMC
• For the Performance Tuning used HMC to allocate and reallocate the CPU micro partitioning on the LPARs under different VIO Servers.
• Installed several application software, handled trouble shooting, user management and hardware support, backup and restore patches, upgrades.
• Handled NIM, User System Resource management, job scheduling, and Paging Space management.
• Extensively used LVM, creating Volume Groups, Logical volumes, and disk mirroring.
• Added new storage on the LPARs by using HMC/VIO server
• Involved with making the documents of HACMP upgrade from HACMP v4.5 to HACMP v5.1
• Installed and configured HACMP 5.1 cluster for upgrade testing purpose
• Installed and Upgraded HACMP v4.5 to HACMP v5.1
• Installed DB2 database, Opsware client on different Servers and HACMP clusters
• Installed TSM client, configure the server and DB2 database backup to the TSM server for different Servers and HACMP Clusters.
• Managed data backups, archives, restoration and recovery.
• Upgrade the Network Interface speed from 100 MBPS to 1000 MBPS on different servers/clusters for the adsm backup and network performance
• Performed day-to-day jobs such as monitoring log files, writing and running the scripts to automatically watch the resources, CPU, memory, I/O, and paging space.
• Ensured 24 7 System Support for the mission critical data in production Environment.

Environment: AIX 5.1/4.3.3, P5Series, RS/6000 Server p670, p590, p550, E4500/E6500, EMC Clarion, DMX, ESS/Shark F20, SDD 1.2.0.4, Clients 4.1, ATL7100 tape library, A5000 storage, Oracle 8i, UDB 6.1, Perl 5.6, KSH