EDUCATION:

SUMMARY:

• Experience as a System Administrator over 8+ on multi platform environments: AIX 3/4/5, Sun Solaris 8/7/2.6/2.5.1, Linux 7.x/6.x., and windows 9x, 200x, XP.
• Experienced and Expertise in installation (new and complete, preservation and migration) configuration, Maintenances, Management, patching, installing, upgrading maintenance levels, performance tuning, and trouble shooting.
• Experienced and Expertise in Installation, Configuration, and Maintenance of various UNIX flavors like AIX, Solaris-2.x, and Linux.
• Highly experienced with different kinds of hardware for AIX. RS/6000, P-series and Blade centers.
• Experienced and Expertise in creating, Configurating and administrating of .LPARS, On p-series servers
• Experienced and Expertise in Installation, administration of VIO Server and VIO client Lpar’s
• Experienced and Expertise in Installation of patches, packages on AIX and Windows NT/2000 Servers.
• Experience in Installation and configuration of TCP/IP for LAN/WAN on AIX/Linux and Windows NT/2000/XP clients and servers
• Experienced in installation, Configured and Administrated HACMP 5.1,5.2,5.3
• Expertise in implementing backup and recovery of volume groups and file systems on AIX and Sun Solaris.
• Experienced in implementing disaster recovery Plans
• Experienced in writing korn shell scripts
• Experienced in applying patches and plug-ins for WebSphere application server.
• Proficiency with configuration and maintenance of NFS, DNS, NIS/NIS+, DHCP, SMTP, and Networking with TCP/IP
• Sun Solaris, IBM-AIX kernel Tuning, Performance Analysis and Load Balancing
• Experienced with support 24/7 on AIX Administration
• Excellent working knowledge in implementing LDAP security models using Netscape LDAP and IBM secure way (LTPA)
• Experience in AIX performance and tuning
• Implementing and maintenance of DNS, DHCP servers in Solaris sub-network
• Everyday Network administration tasks - adding and removing users file and share permissions, trust management, replication management, server backups, and server setups
• Performed user tasks including submitting and managing parallel, serial and interactive jobs
• Proven ability to Define System requirements, recommended solutions, analyze capacity and make appropriate modifications

SKILLS:

• Platforms: UNIX AIX(4.3.3, 5.1, 5.2,5.3), Linux (6/7/8.x )(Redhat,SUSE), HP-UX11.x, Microsoft windows 95 – 2003 server, Solaris7/8.x, HP-UX11.x.
• Networking: TCP/IP, Ethernet, token ring, FDDI, VPN, OPENSSH, secureID, router , switches, DHCP, DNS (QIP software),Share Point
• High Available Clustering: HACMP, VCM, LAAM
• Database: Oracle7.x/8.x/9.x; DB2, Sybase, Informix,MS SQL server 7.0/2000.
• Languages: UNIX shell script, C, C++, HTML, Perl, Expect, Awk, Java..net

PROFESSIONAL EXPERIENCE :

Confidential,CAAug’06 - Dec’09
ROLE: Unix/AIX Administrator:

Responsibilities:

• Installing, configuring, maintaining and enhancing operating system and system support software/hardware (AIX 5.1 - 5.3, TSM, HACMP4.5, LPAR, DLPAR, VCM, and VVM. SSA Disks, IBM DS8100, IBM pSeries 550, 570,590, 595 690, RS/6000)
• Responsible for Implementing Cloning, Clustering, Performance tuning and trouble shooting of IBM WebSphere Application Server 4.0/5.0
• Diagnosing and resolving systems related tasks in accordance with priorities setup in dealing with troubletickets.System performance monitoring (tuning as necessary).
• Responsible for troubleshooting all the applications like marimba, BMC patrol etc
• Responsible for adding new DNS and mail entries in there respective servers
• Responsible Data Warehousing and System Backup using tar, cpio, mksysb for local systems and Veritas Netbackup for enterprise wide backup and recovery and to centrally manage storage resources through a single console
• Expertise in writing the Scripts korn, c, Perl & Sed shell for doing the conversions and support on AIX 4.3/5.2
• Managing Cron jobs, batch processing and job scheduling.
• Expertise working in a huge environment that consists of almost 700 Servers including RS/6000, p-series and IBM Blade Center
• Expertise in doing NIM installations on AIX 5.2/5.3
• AIX 5.2 and 5.3 migrations using NIM and local install methods
• responsible HACMP cluster environment with cascading
• Responsible for LPAR and DLPAR system administration
• Expertise in installation configuration and administration VIOS
• Responsible and expertise in Configuring VLANs on IBM p Series, Nortel Switches, CISCO switches.
• Setup and configure LDAP servers for home directory location and authentication
• Responsible and expertise in setup and configuration of TCP/IP network for the public network and backup network using mktcpip and chinet.
• Responsible and expertise in working with LVM, Disk mirroring, unmirroring, Disaster Recovery, backup and restore for AIX 4.3/5.2/5.3
• Installation and administrationof Veritas Cluster Manager (VCM), Veritas Volume Manager (VVM), Veritas File Manage (VFM)
• Responsibility for installation, Configuration and Troubleshooting of TSMassecondary admin.
• Implementation of Tivoli Storage Manager on pSeries
• Experience installing and maintaining EMC, ESS, Shark storage is highly desirable.
• Installation of Oracle9i, Sybase and Db2 on AIX and involved in DBA administration task
• Supporting and in-depth troubleshooting of AIX systems 24 x 7

Environment: - AIX 4.3/.5.2/5.3, TSM, Nortel Switches, Cisco Switches, pseries, dows2000, HACMP Clusters, SAN, NIM, IBM HTTP server, VERITAS, DB2, Oracle, Shell scripts

Confidential,ohio May’05- July 06
Role:UNIX/AIX/SOLARIS/LINUX Administrator

Responsibilities:

• Provided system support for 600+ midrange IBM / Sun servers/HP-UX/Linux, including routine maintenance, patching, and system backups and restores, and software and hardware upgrades
• Maintaining and monitoring the file systems and performance tuning on AIX (5.1/5.2./5.3)servers(615/640/690 /510/550/ 52A/55A/ 570/595).
• Responsible for mirroring and unmirroring using logical volume manager (LVM)and Veritas volume manager (VVM (4.0/4.5))
• Administrating sun servers (Sparc/ E4000/ V440/ V240/ Sun Fire 880/ V20z/ X4100/ E10K)
• Performed task’s onallUNIX platforms like Solaris(5.6/5.8/5.9/5.10)/Linux/HP-UX/AIX (4.3/5.1/5.2/5.3)
• Applying the Security patches and doing all the change management.
• Responsible for performing administration tasks on LPAR and DLPAR such as adding, deleting and moving system resources from one partition to another partition using HMC
• Responsible for setting up Linux server with disk quotas for users, configuration of mail server, apache web server.
• Responsible for administering, implementing and troubleshooting HP-UX systems to support application teams and business users.
• Partitioning of Linux using DISKDRUID, FDISK and RAID options.
• Setup/Configuration of Third party applications across Unix / Linux and Windows NT
• Performed the modification of the system Boot Loader.
• Configuration and maintenance of NIS, NFS and DNS Servers on Linux
• Performing task on clustering technology HACMP (5.1) and LAAM
• Designed, installed and configured HACMP cluster environment, with cascading and mutual takeover
• NIS, NFS, LDAP routing and DNS administration
• Expertise in doing NIM installationsonAIX 5.2/5.3
• Installation Virtual input/output server (VIOS).
• Installation and configuration thirty party application like Webshere, Clearcase, BMC patrol, Sybase, db2 ,Control –m agent
• Built Solaris LEGOTO Netback up and MKSYSB servers as corporate and production backup solution, including designing the backup policies and disaster recovery plans
• OPEN SSH server administration with key management and host access control
• 24x7 support of all UNIX infrastructure
• Most of these tasks are performed using native Korn Shell and PerlScripts
• Involved in administration of Storage Area network(SAN) administration using EMC and Hitachi storage systems
• Responsible for decommissioningof Sun andIBMservers
• Responsible for Websphereand Weblogic application shutdown and restart
• Responsibel in assisting administration of Solaris servers
• Responsible for designing installing and managing Netbackup 6.0 Enterprise Server
• Responsible for automate administration processes with shell scripting
• Responsible for monitoring systems, applications, and database with Sitescope
• Responsible for maintain and improve existing automation scripts
• Responsible for maintain established standards on systems, software, storage, etc
• Responsible for ensuring data backups are implemented and tested for systems under you control
• Responsible for Submitting changes through established change management process
• Responsible for documenting and diagram environments as required
• Functioned as part of a team consisting of Sys Admins for UNIX Windows Networks and Security.
• Worked with little direction on daily tasks to large projects and update management regularly on progress
• Worked in on-call rotation with admin team

Environment: - AIX 4.3/.5.2/5.3, Solaris 5.6/5.8/5.9/5.10, Oracle, Veritas Volume Manager, LVM, HACMP, LAAM,SSH, TSM, Sybase, EMC, SAN, Weblogic, Websphere BMC patrol, Clearcase, TIBCO, Tuxedo