SUMMARY

Extensive experience of over fifteen years in IT, which includes 9+ years in IBM AIX/HACMP Systems Administration on VIO based LPAR servers along with Tivoli Storage Manager (TSM) on IBM RS/6000 Servers and Windows servers. I have good experience in handling data center running 24/7, production applications and Disaster Recovery site support, project rollouts, installation, full upgradation, testing, performance tuning and extensive troubleshooting. I possess good communication skills and I am capable of working with team members as well as a team lead.

TECHNICAL SKILLS

IBM AIX-4 & 5, HACMP V4.4.1, Tivoli Storage Manager (TSM) Ver 4.1, 5.2, SCO-Unix, Linux, UnixWare, Windows2000/NT, Windows 9X, Oracle, DB2.

IBM Regatta LPAR on P690, P670, P650, P570, P570-MMA, SP system, IBMRS6000 Enterprise Servers H series-M series, B series, S series, SP system, IBM ESS (2105 - F20/800) SAN Switch 2109-S16 Enterprise Storage Server, IBM 3583 Ultrim Tape Library, IBM 3494 Tape library, SSA Storage D20 & D40, Intel Servers & PCs, Switches With Fibre backbone, Hubs Leased Line and Dialup Modems Multiplexers etc..

TCP/IP, NFS, NIS, Automount, DNS.

AIX/Linux Server Admin, Confidential,Plymouth (MN) September 2009 to present

United Health group is a leading health insurance organization with heavy dependency on Computer services. They have three large data centers with heavy inventory of servers exceeding 12000 Liar’s and more then 4500 physical servers.
Responsibilities:

• Lpar migration from one frame to another and from one data center to another for production and non production servers
• Checking and testing of destination Lpars and configuration of Network services as pre migration steps
• Configuration of Lpar and services after migration and get it verified from various teams including database and application teams
• 24*7 support and on call schedules for server alerts and change / problem tickets

AIX/Linux Server Admin, Confidential,Minneapolis April 2007 to August 2009 – Confidential,

Confidential,is in Insurance business with heavy dependency on computer activities. They have two complexes running with 24*7 supports. One complex is Production site and the other is DR site. Production servers are on AIX 5.3 to AIX 5.9 environment and are based mainly on Power5 P570 and Power6 P570-MMA servers. Most of the servers are virtual Lpars with two VIO servers for heavy redundancy on each physical server besides some standalone servers for Unix and Linux. Both complexes have two HMC servers for administration with redundancy. They have Development, test, Staging, Production and DR environment servers.

Responsibilities:

• Installation and maintenance of HMC servers, VIO servers and Virtual Lpars
• Work on day to day problems fixation and changes requested in remedy ticketing software and HP open view software
• Update of HMC code and AIX patches, AIX level migration from 5.3 to 5.9
• Troubleshooting hardware issues and get them resolved with hardware support
• Hardware installation, enhancement and upgrades
• Server firmware updates
• Activation of server resources for capacity on demand servers
• Assignment of SAN storage to LPARS from VIO servers
• Working on-call production environment with 24*7 hot pager duties
• Installation of IBM-SIP software modules like SRM, Fusion, Tivoli Monitoring, URT etc.
• SRM data analysis and problem resolution
• Tuning of AIX for Oracle database and Websphere environment.

AIX/Linux Server Admin IBM Global Services – Boulder CO January 2006 to April 2007 – Confidential,

Confidential,stores check images for most of the banks in US, it stores billions of check images and retrieves them throughout any given day, they have four AIX 5.2 SP production complexes running with 24*7 supports, one complex is DR site for another. All complexes have approx 25 nodes at each site includes p680 and p650 and number of standalone servers, Linux servers tape libraries.
Responsibilities:

• Working on day to day emergency problems and fixing them in minimum time frame to keep the production alive
• Performing schedule changes, customization to production servers at OS level
• Migration of SP AIX 5.2 to AIX 5.3
• Migrating applications and other software applications from development to production environment
• Install software patches APAR’s and upgrades
• Creating / extending /removing Volume groups and file systems
• Resolving hardware issues by working with hardware support team
• Creation and maintenance of production users
• Performing systems health checks and also checking system performance statistics
• Working is On call environment 24*7 including hot pager duties
• Creation and maintenance of users, file systems and applications on Linux servers

IBM AIX Server Admin - Confidential,August 2004 to January 2006

Southern California Edison is an Edison International Company, having two major data centers at Rosemead and Irvine with Regatta servers and IBM AIX Enterprise servers (RS/6000), ESS SHARK Storage with SAN. Clustering implemented among these servers with HACMP for high availability.
Responsibilities:

• Installation and maintenance of AIX Servers
• Microcode update on Fiber adapters
• System & service processor firmware Update
• Microcode update on SSA Adapters
• Mirroring Root Volume group and other VGs
• Monitoring AIX error logs, and solving issues

Data migration in case of Disk failures

• Performance monitoring, Tuning, error analysis
• Diagnosis & replacement of adapters, SSA Disks, SCSI Disks & other parts.
• Handling user requests and trouble tickets and maintaining changes in servers through change management using peregrine software

AIX & Tivoli Storage Manager Technical Specialist
Confidential, October 2003 to June 2004

Confidential,is one of the largest financial institutions in US and has four major sites with large data centres in CA, has pSeries and other RS6000 (i.e.7026, 7017) servers with 3584 libraries.
Responsibilities:

• Installation and configuring of AIX on RS/6000
• Troubleshooting and administration of AIX Servers
• System Performance Monitoring & Tuning.
• Configurations of print queues and troubleshoot print problems.
• Troubleshooting and Monitoring of TSM servers & clients.
• Troubleshooting problems of client / Server errors
• Monitoring backups and other schedules
• Recovery in case of data need
• Migration / reclamation of volumes in 3584 Library
• Check status of scratch volumes, keep sending copy pool volumes offsite and inserting new volumes
• Restoration of offsite DR volumes on remote server

AIX & Tivoli Storage Manager Technical Specialist
Confidential, August 2001 to September 2003
Responsibilities:

• Troubleshooting and Installation of Tivoli Storage Manager server on AIX with Windows clients.
• Installation and configuration of AIX server
• Creation and maintenance of user accounts
• Installation of TSM clients on windows
• Configuration and creation of storage pools and backup policies of different clients.
• Troubleshooting problems with storage pools and storage volumes.
• Monitoring backups and other schedules
• Recovery in case of data need or failure of server
• Installation & troubleshooting of Linux systems

Tivoli Storage Manager Technical Specialist
Confidential,Roanoke, TX December 2000 to August 2001
Responsibilities:

• Troubleshooting and Installation of ADSM 3.1/TSM 3.7 and 4.1 server and clients on various platforms i.e. AIX, Solaris, Windows NT, HPUX, Novel.
• Installation and configuration of TDP and connect agents for Oracle, SAP R3, MS SQL, MS Exchange.
• Troubleshooting of various problems on servers and clients such as scheduling errors, Client and server options, Backup restore problems, policy sets & management class.
• Configuration and troubleshooting of various libraries with TSM server.
• Troubleshooting problems with storage pools, storage volumes, data migration.
• Handling of server crash problem with adding space in TSM database and Recovery log and restoration of database backup if required.
• Handling problems relating to backup failure, non-availability of tapes in library, problems in mounting and dismounting of tapes etc.
• Checking activity and schedule logs to determine network/operating system/hardware issues
• Problem determination in case of I/O error at the time of backup with I/O error message decoding to confirm the problem is system / library or TSM issues.
• Checking TSM tuneable parameters in case of system performance slow.
• Trouble shoots problems in TSM up gradation from one version to another and handling issues at the time of up gradation.
• Tele – support on line for TSM/ ADSM Users in US supported by IBM.

System Administrator (SP/AIX)
Confidential, January 2000 to November 2000
Responsibilities:

• Installation and Administration AIX on SP.
• Hardware Configuration, Networking components, Applications and Space management.
• Installation & configuring of CWS.
• Creation of File Systems and logical volumes in local Drives
• Configuring Applications for required fault tolerance through HACMP.
• User Creation, Administration and Support.
• Authentication through Kerbros.
• Backup/Restore Strategy Planning and Implementation.

AIX & ADSM Administrator - Customer Services
Confidential,New Delhi January 1998 to December 1999
Responsibilities:

• Installation and configuring of AIX on RS/6000 F50 servers.
• Installation & configuring of ADSM for back-up management
• Configuring of disks, disk type and size and partitions.
• Creation of File Systems and logical volumes.
• User Creation, Administration and space usage restrictions through fixation of User Quotas.
• System Performance Monitoring & Tuning.
• Backup/Restore Strategy Planning and Implementation.

AIX & ADSM Administrator- Customer services
Confidential,New Delhi November 1996 to December 1997
Responsibilities:

• Installation and configuration of AIX on RS/6000 servers.
• Configuration of physical volumes, logical volumes and file systems.
• Manage the user and groups
• Configuring and administration of ADSM
• Making Policies for back-up & archive on ADSM.
• Setting thresholds for automatic migration, expiration, ADSM DB backups, etc.
• Configuring Schedulers to automate Backup/Archive operations and other ADSM operations like expiration, migration, audit etc.
• Making improved policies for the customer for Space Management and proper backup/restore procedures.

Team Lead Customer Services
Confidential,New Delhi February 1996 to October 1996
Responsibilities:

• Installation and configuration of AIX on RS/6000 servers.
• Creation of Users, Groups and manage them
• Generation of Space through Disk Quotas and backup / restore polices.
• Configurations of print queues and troubleshoot print problems.

Team Lead Customer Services
Confidential,India June 1994 to January 1996
Responsibilities:
(In 250 Branches)

• Installation of UNIX based servers For Front End Total Branch Mechanization
• Networking of number of PCs and a number of dumb terminals configured with UNIX with printers.
• Installation, Configuration and maintenance of Line Printer and Spooler.
• Installation and fine-tuning of UNIX parameters to improve the output performance.
• Configuration of TCP-IP with PC- TCP installed at nodes.
• Configuration of NFS, FTP etc with the second system installed in the Network.
• Installation and fine-tuning of other software supplied.
• Installation and test run of application software supplied.
• Troubleshooting UNIX & Network problems.
• Troubleshooting and tuning of Unix Parameters to improve performance
• Creation of backup policies.

Group Leader - Confidential,India May 1992 to May 1994
Responsibilities:

• Development, Installation & administration of Software Application in COBOL under UNIX/UnixWare
• Installation of Back End System in over 250 Branches on Unix
• Configuration of Terminals & Line printers
• Study of user software requirements at Divisional Office Level.
• Specification freezing to develop a standard package to be implemented in all the branches in the division
• Compilation and Test Run at various Divisional Office Levels.
• Incorporate the additional reports at Divisional Office level to match with the existing requirements.

Systems Analyst & Software Developer
Confidential, June 1991 to April 1992

Responsibilities:
Study and development of Application software to automate Time office with attendance recording machines and Computers on UNIX platform under Oracle.

• Installation and Maintenance of Machines
• Development and Implementation of Time office Package with attendance
• Recording machines with a complex hotel industry/ factory
• Day –to day attendance records of the employee as per their duty-roasters.
• Employees late / early coming and arrival are monitored as per roaster.
• Employees Leave records are maintained.
• Absent & Leave MIS reports generation.
• Skill wise department wise employee’s present status.
• Overtime calculations
• Computation of monthly attendance for pay-roll preparation.

EDUCATION

• Bachelor of Commerce (Honors)
• Postgraduate Diploma in Business Management