Profile Summary

• 8 years of experience in UNIX Administration, Engineering and Development of Information Systems.
• Extensive experience in installing, configuring, troubleshooting, maintaining, implementation, and support on IBM AIX IBM P520, 570, 595, 690, 750, 770 MMC systems. Migration of Operating systems such as 5.3/6.1/7.1 RHEL 4 / LINUX RHEL 6.0 / SOLARIES 10 and Windows Operating Environments.
• Performance and fine-tuning, Applying patches and fixes.
• Installed, configured and supported Web Sphere Application Server, IBM HTTP/ Apache Web Servers in AIX and Linux environments. Good knowledge of Samba server.
• Strong scripting knowledge Perl, ksh, bash to perform administration and automation tasks.
• Experience on Installation and Planning for VERITAS Cluster Server 6.0.1 on AIX.
• Work with TSM backups and Tivoli monitoring on client side.
• Administered shell interfaces, groups/user accounts, login scripts,kernel patches updates.
• Proficient in archiving and backups using tar, pax, cpio, dd, restore, and backup commands, mksysb for root volume group backup and save vg for user created volume groups backup.
• Extensive experience in AIX System Dump Generation and sending System Dump to AIX System Support Center.
• Knowledge on AIX Patching and Korn Shell Scripting.
• Creating and managing LPAR and DLPARs.
• Good working knowledge on IBM HACMP 5.x and NIM Master and Clients.
• Installation, configuration, upgrade SAN, NAS with IBM Enterprise Storage Server ESS .
• Experience in Migration from AIX 4.3.3 to 5.3 to 6.1 and from 6.1 to 7.1 with latest TL and SP Packages.
• Experience in the documentation of hardware specifications, backup and recovery procedures and policies.
• Strong hands-on experience in Disk Management and Volume Management using Logical Volume Manager LVM .
• Experienced on IBM hardware platforms and disk configurations.
• Creating Vpaths, Volume groups, Logical Volumes and File Systems on AIX servers
• Experience in Migrations and Decommissioning of the systems.
• Managing cron jobs, batch processing and job scheduling
• Performance tuning and System workload management Installed and configured Web Sphere servers running AIX 5.2
• Monitoring AIX Error logs, troubleshooting AIX related problems, Performance monitoring.
• Prepared presentations regarding development in technology and upgrades
• Knowledge of networking TCP/IP, Ethernet , NIS, DNS, NFS, DHCP, SMTP and RAID.
• Installed Tivoli Storage Management server on Windows 2000 that serves both Windows and UNIX machines.
• Install, configure, manage, NIM server and installing clients using NIM resources.
• Monitor and manage the 24x7 operations to ensure highest stability, availability.
• Provided production support in an on-call rotation in a 24x7 environment.
• Exposure to Web sphere Application server 3.5/4
• Self-motivated team player, able to set priorities and manage to deadlines.
• Excellent communication skills with Solution Providing, Presentation, documentation achievements in multi OS, Heterogeneous Enterprise environments.
• Quick learner and team player with strong trouble-shooting and communication skills.

Professional Experience

Confidential

AIX Administrator

• Worked as AIX System Admin with IBM P-series Model servers in an HACMP environment.
• Worked on P770 MMC and done TL3 Upgrade along with service pack 10.
• Experience in handling trouble-ticket of requests, 3rd-party software installation, and user support, in a homogeneous AIX 5.3/6.1/7.1 environment
• Experience on migration of OS level from 5.3 to 6.1 and from 6.1 to 7.1 and upgrading Technology level and Service packages in 7.1
• Created and configured logical partitions LPAR on IBM P520, 570, 595, 690, 750, 770 MMC systems.
• Experience working on Hardware management consoles HMC
• Experience on performance related on troubleshooting, execution, RAID, data migration,
• Knowledge of Installing VERITAS Cluster Server 6.0.1 and Hardware support check
• Configuration of VERITAS Cluster Server and performance checking on Automated VCS Installation and Upgrades.
• Active participation in project planning and deployment
• Experience on IBM Web Sphere, IBM Message Broker, IBM Web Sphere MQ Integrator inclusive of installation, configuration and administration
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager LVM commands.
• Worked on AIX Patching checking the performing by Downloading patches from SERVER.
• Performed installation, periodic maintenance updates
• Knowledge of IBM BCU Balance Configuration Unit specifications and customized spec to suit environment needs.
• Configured backup/archive policies using ADSM utility and mksysb images of root volume group to meet data archiving requirements and disaster recovery readiness.
• Configured rules for system security, maintenance updates and system failure alerts

Confidential

AIX System Administrator

• Created and configured logical partitions LPAR on IBM systems using Hardware management console HMC .
• Performing upgrades applying fixes, patches and APARS to the lpars.
• Rack mounted IBM p630 systems installed and configured AIX 5.3 and applied maintenance levels.
• AIX Migration from AIX 5.1/5.2 to AIX 5.3. and from 5.3 to 6.1 and 7.1
• Working experience with Tivoli monitoring.
• Performed SAN trouble shooting and also involved in SAN microcode upgrade.
• Provided production support in an on-call rotation in a 24x7 environment.
• Performance tuning of production machines by upgrading their hardware.
• Managed file permissions ownership for important directories files.
• Installation, configuration, upgrade SAN, NAS with IBM Enterprise Storage Server ESS .
• Implemented and maintained Backup strategy with automated scripts tar, cpio etc.
• Installed Samba Server 2.2.0 in Windows/NT environment to share UNIX files.
• Configured SSH for secure telnet and FTP connections.
• Created File systems, creating users, customizing user in Clustered environment.
• Installation and migration of AIX 5.3/5.2/5.1 on IBM p-series using mksysb standard image CDs and NIM installation.
• Performed daily backups, incremental /full backups restoration of data using Tivoli. Upgrading TSM and configuring it on Client side.
• Configured the HACMP clusters to keep the high availability applications running on IBM p-Series p690's .
• Coordinating with application teams to schedule AIX maintenance on QA/DEV.
• Utilized IBM Maximo to work on Change Request, Service Request, Problem Management and problem tickets.
• Performed administrative tasks such as System Startup/shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management.

Confidential

AIX System Engineer

• Worked as AIX Administrator in IT infrastructure environment providing server administration, application administration and automation solutions to support business objectives.
• Migration of OS Level from 5.3 to 6.1 and 7.1 and updating the technology level.
• Responsible for build/support of Enterprise Data Warehousing of over 70 IBM Power4 and Power5 p670, p690, p520, p550, p575, p595 systems. Primarily responsible for system builds/support, configuration, resource planning and expansion of IBM enterprise servers.
• Built/upgraded Power4 and Power5 servers with NIM.
• Planned and performed LVM changes on 60 TB environments such as LV extensions and FS expansion based on the layouts provided by the application DBA team.
• Migrated AIX 5.1 power4 servers to AIX 5.2 through NIM alt disk install.
• Upgraded Maintenance level on AIX 5.2/5.3 production and development servers on weekend maintenance windows.
• Build DB2 nodes AIX servers with IBM BCU Balance Configuration Unit specifications, and customized spec to suit environment needs.
• Worked on DR testing and executing upgrades, reallocation of storage resources
• Experience on IBM Web Sphere, IBM Message Broker, IBM Web Sphere MQ Integrator inclusive of installation, configuration and administration
• Patched DB2 servers by installing latest fix packs and special builds.
• Installed, configured, customized VERITAS Cluster Server VCS on a six BCU node cluster. Created numerous resource groups for NFS, TSM, and DB2 host servers.
• Performed periodic firmware upgrades on P-series production and development systems.
• Implemented VI/O on P5 595 server on production and test environments, and performed load test to ensure optimum system performance during heavy loads on VI/O supplied resources.
• Installation, configuration, upgrade SAN, NAS with IBM Enterprise Storage Server ESS .
• Provided level 3 supports in production environment and resolved production issues escalated by the UNIX production support team.
• Installed IBM F20 and DS8100 drivers on Power4/AIX5.2 and Power5/AIX5.3 systems.
• Installed/patched APAR fixes on new and existing servers based on IBM recommended best practices.
• Worked with infrastructure expansion team on application preservation for various environmental growth projects.
• Setup and configured development AIX servers RPC connectivity for NFS. Created mount points for server directories, and re-mounted file systems based on environmental changes.
• Setup cron jobs schedules for various backup and monitoring tasks.
• Monitored system activities, log maintenance, and disk space management.
• Performed mksysbs on NIM before any system upgrade or patching.
• Provided 24/7 support on periodic on call schedules.
• Responsible for QA and test environment servers.
• Ensured the Systems and Data online, offline, archived Backups on Daily and weekly Basis. Capacity planning of disk space and hardware resources required for production and developments. Experience on updating and applying security fixes and patches.
• Doing 24/7 pagers on call support duties on a rotation basis with other System Administrators. Managed Logical volume and Paging space and file systems.
• Performance tuning of production machines by upgrading their hardware.
• Experience in migration from AIX 4.3.3 to 5.2.
• Installed Tivoli Enterprise products Workload scheduler and Enterprise manager. Taking Backup fullback up/incremental backup and restoring using Tivoli.

Confidential

Aix / Linux System Administrator

• Worked as Systems in-charge for the servers running 24/7 in Production environment comprising IBM p4 and p5 servers. Installed and configured enterprise applications on IBM Web Sphere Application Server 4.0/5.0, IBM HTTP Web Server in AIX, Sun Solaris, and Linux and Windows NT/2000 environment.
• Experience on IBM Web Sphere, IBM Message Broker, IBM Web Sphere MQ Integrator inclusive of installation, configuration and administration
• Draft the plan for AIX migration and identify activities and role played by team members. Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager LVM commands. System backup management using MKSYSB.
• Installation, configuration, upgrade SAN, NAS with IBM Enterprise Storage Server ESS .
• Predefined and Customized Volume Group management on AIX. Performance Management Tuning of AIX UNIX Kernel. Provided UNIX infrastructure, operations and support for IBM p630, p670, p690 servers running AIX 5.1, 5.2, 5.3. Experience on RAID, data migration, executing upgrades, capacity increases, reallocation of storage resources, Migrated NIM master and 40 clients from AIX 5.2 to AIX 5.3. Create standard LPAR and performed DLPAR to share the recourse operations. Configured and troubleshoot LVM and network related problems in AIX. Maintained availability, increased capacity performance of production machines by upgrading their hardware firmware. Worked in a fast-paced 24/7 testing environment comprising HACMP functionality on IBM servers.
• Experience on AIX servers DB2 nodes with IBM BCU Balance Configuration Unit
• Doing 24/7 pager duties on a rotation basis with other System Administrators. Installed and configured ESM client software on the servers. Installed Tivoli Enterprise products Workload scheduler and Enterprise manager. Ensure required daemons are monitored.

Confidential

AIX / Linux System Administrator

• Setup servers of AIX / Linux / Solaris and Windows NT for heterogeneous TCP/IP network of NIS, NFS, and DNS to support Client - Server environment. Setup Domains, configured DHCP, Apache web servers with Tomcat as servlet engine. Managed user, group accounts, environments Windows NT, and AIX Servers Installed, configured, administered Windows 2000/NT Servers.
• Experience on Service-Oriented Architecture SOA , Enterprise Service Bus ESB architectures monitoring tools for the OS and MQ series objects
• Setup environment of IBM AIX, and Windows NT on TCP/IP network using NFS, DNS and SAMBA services.
• Installation, configuration, upgrade SAN, NAS with IBM Enterprise Storage Server ESS .
• Ensure required daemons are monitored
• Security, users, groups' administration and daily backup and restore operations, networking service, performance, and resource monitoring.
• Ensure required file systems are monitored and appropriate on call groups paged Ensure Cpu / memory thresholds are accurate Working the work orders, revive, execute and close them. Performance checking for I/O stack, and DR testing and execution Review backups by ensuring all file systems are covered and checking the schedules. Managing the user accounts creation, locking, deletion of old accounts Review Worked extensively with EMC storage disks Configured web agents on Lotus Domino servers, and did performance tuning of Servers. Installed, and configured various packages on AIX servers using SMIT.

Confidential

UNIX System Support Engineer

• 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.
• Analyze system performance, client-to-server traffic, and server-to- server traffic.
• Configured and managed NIS environment for OS upgrade of remote servers.
• Managed Logical volume and Paging space and file systems.
• Set up 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. Administered the TSM for day-to-day scheduled tasks.
• Experience on Service-Oriented Architecture SOA , Enterprise Service Bus ESB architectures monitoring tools for the OS and MQ series objects
• Helped configuring the Tivoli managed nodes and Sysback/6000 on RS/6000 servers.
• Defined and setup Network/Local printers, and install client/server applications. Define/setup network protocols, Network File Services NFS and Network Information Services NIS .
• Systems administrator support for production and development systems. Environment consisted of multiple IBM RS/6000's and X-Window terminals.
• Installation, configuration, upgrade SAN, NAS with IBM Enterprise Storage Server ESS .
• Administration responsibilities include user, group, disk, printer and security management, File sharing Permissions.
• Installation and administration of peripherals.
• Security, users, groups' administration and daily backup and restore operations, networking service, performance, and resource monitoring.