OBJECTIVE:

To secure a rewarding and challenging position in a quality organization, leading to increasing responsibility and career advancement. To take each step in my career as a challenge and working at it to the best of my abilities to come out with excellence

SUMMARY:

• Experienced in installation, configuration, tuning, security, backup, recovery and upgrades of IBM AIX, Linux RedHat SuSE ,Windows 2003 server
• Over 6 Years of experience in large scale enterprise environment working as an AIX Systems Administrator.
• Installed and managed several IBM AIX systems which include disk management, user management, network management, performance management, test and development projects running on AIX 6.1/5.3/5.2/5.1
• Installation/Administration of AIX on RISC servers running on a LAN with full setup of network services and protocols, ensuring the proper implementation of the TCP/IP Stack, and ARP/RARP routing, and network functionality
• Installation and configuration of LPAR's with AIX 5.3, 6.1 and 7.1 on p5, p7 and Blade servers.
• Installation and configuration of VIO Server with AIX 5.3 and 6.1 on 570,590,750 and Blade servers
• Configured and Administrated HACMP 5.4/5.5/6.1
• Strong understanding of NPIV.
• Expertise in Migrating AIX OS from 5.3 to 6.1 on all pSeries servers.
• Experience in Tivoli Storage Manager TSM web-based management.
• Migrated from from HACMP 5.5 to 6.1
• Configuring and administration of weekly mksysb backup on AIX servers.
• Performance monitoring and tuning using monitoring tools like NMON, TOPAS.
• Experience in installation and configuration of SAP AIX servers.
• Installation of patches, Security fixes, packages on AIX, Linux and Windows NT/2000 Servers
• Installation and configuration of NIM master server and clients.
• Expertise in MM management Module IP reset at times of failure master in H-type BladeCenter.
• Working knowledge of EMC Symmetrix, Clariion.
• Automate and schedule batch jobs using CRON.
• Configuration and administration of NFS. Handling automount.
• Configuring and administration of NFS server and NFS client.
• Configuration and administration of Fiber card Adapter's and handling AIX part of SAN SAN arrays HITACHI, IBM SHARK .
• Installed and configured IBM Web Sphere Application Server 3.5/4.0/5.0 on AIX and Linux.
• Performed NT and UNIX Network System Administration, including adding NT and NIS domains, creating new users and groups with multi-levels of security.
• Installed and Configured DB2 on AIX OS Server
• Adding network printers and conducting day-to-day system administration, including backup/recovery in NAS environments
• Migrating AIX OS from AIX 4.3 to 5.1,5.2and 5.3 on 520, 550, 610 ,RS/6000 Servers
• Expertise in Unix Scripting using C/C and Perl.
• Administering and troubleshooting of AIX HACMP Clusters
• Experienced and familiar with tools like SMITTY
• Installation and support of Apache Web Server, IBM HTTP Web Server, Oracle 8i/9i, SQL Server on Windows and UNIX
• Experienced in implementing the workload Management WLM using cloning and clustering
• Expertise in Ethernet Cabling of pSeries Servers.
• Experienced in writing scripts such as Korn Shell ksh and Perl.
• Experienced in DNS, NIS, NFS, LDAP, sendmail, ftp, remote access, security management, and system troubleshooting skills.

WORK EXPERIENCE

Confidential

AIX System Administrator

Responsibilities:

• Installation, configuration and maintenance of IBM AIX / UNIX Operating Systems
• Configured and administrated Lpars.
• Configured and administrated VIO server and Lpar clients.
• Administration Tasks included User administration, Performance, Sendmail, weekly mksysb
• Analyzed and resolved problems associated with the Operating System's Servers, Hardware, Applications and Software
• Performance Management Tuning of AIX UNIX Kernel.
• Managing cron jobs, batch processing and job scheduling.
• Software installation and maintenance
• Networking service, performance, and resource monitoring
• Daily backup and restore operations.
• Set-up and administration of DNS server
• Automate and schedule batch jobs using CRON
• Have detected, diagnosed, and reported IBM AIX related problems on servers
• Planned and Configured VIO servers 2.1 and LPAR from scratch on frames.
• Administering and troubleshooting of HA Clusters
• Configured and Administrated HACMP 6.1
• Performing Failovers in HACMP / cluster environment, monitoring servers
• Built DR procedures for TSM Server 4/5 on AIX 6.1, updated volume numbers for daily DR backups
• Responsible for determining hardware and compatibility requirements for installation of TSM client software

Confidential

AIX ADMIN

Responsibilities:

• Managing AIX /Redhat Linux/Solaris UNIX servers in Development, implementation and production environment
• Installation, Configuration and Administration of AIX 5.3/6.1, Redhat Linux 5.5/6.0 solaris10 servers
• Performing AIX/Linux administration supporting on pSeries servers 570,595, 770, and 795 and HP prolient/Dell poweredge/Blade centre/IBM iseries
• Setup and configured network TCP/IP on AIX including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on AIX Servers
• Troubleshooting all vmware related issue
• Based upon requirement, adding additional resources memory, CPU storage to redhat virtual machine using vsphere/viclient console
• Creating Virtual servers on VMWARE ESXI and installing Redhat Linux 5.5/6.0
• Planned and Configured VIO servers 2.1 and LPAR from scratch on frames.
• Administration Tasks included User administration, Performance, Send mail. weekly mksysb
• Migrated AIX 5.3/6.1 with HACMP 5.5 to HACMP 6.1 online .
• Performed numerous OS migrations and TL upgrades.
• Configured NPIV on Power6 and Power7 frames for lpars which needed direct attach SAN
• Install and support Oracle RAC on Linux and AIX
• Installing third party application like opnet, sideminder, ESM enterprise security manager , CVS and many more
• Configured interconnects and Shared SAN for Oracle RAC nodes
• Managing and supporting GPFS cluster on AIX server
• Performed and monitored daily tasks such as user account management, mksysb, and data
• backups users logon support like failed logins, error report checks/required troubleshooting system performance etc.
• Experience working with TSM and Veritas Netbackup
• Upgraded HMC from V7R350 to V7R720 and from V7R720 to V7R730.
• Worked with DBAs on installation of RDBMS database, backups and restoration and log generation Configured and maintained TSM Clients on TSM 5/4 servers running AIX 6.1 and IBM

HTTP Server.

• Excellent experience in installing ERP application like SAP and oracleapp on AIX.
• Installed configuration and supporting Web application servers like Web Sphere/weblogic/jboss on Linux and AIX on production/non production environment
• Provided HP-UX V5.x to V11.31 , Solaris, AIX and Linux installation, maintenance, upgrade,
• security, performance tuning, and disaster recovery services.
• Done Tivoli Monitoring installation of all UX, PX, UD and OR agents also helped in trouble shooting
• Responsible for Installation and administrating of Tivoli operation system ITM5 and application ITM6 monitoring tool
• Tivoli tape management, troubleshooting tape libraries and drive error, checking tape consistency
• Supported Websphere application on AIX and adept in troubleshooting application issues related to OS.
• Efficient in working with NIS and their user ids and also with NFS and related troubleshooting
• Setup of full networking services and protocols on UNIX, including NIS/NFS, DNS, SSH, DHCP,
• NIDS, TCP/IP.
• Skilled with NIM restores configuration and troubleshooting.
• Experience with EMC SYMMETRIX, HITACHI, and IBM XIV storage
• Experience in working with EMC power path and solution enabler
• Experienced in writing scripts such as Korn Shell ksh and Perl
• Created two node active-passive HACMP clusters and migrated a HA cluster from a power5 to power6 frame.
• Maintain shell scripts to automate the system administration tasks.
• Monitored trouble ticket queue to attend user and system calls.
• Updated data in inventory management package for software and hardware products.
• AIX system optimization over Oracle10/11 applications and utilities
• Giving the Level 2 support and assisting the team members in fixing the AIX software problems.
• Implemented the various security features in the UNIX/AIX environment using LDAP like configuring user authentication, Keonizing.

Confidential

AIX Administrator

Responsibilities:

• Assist Platform and Application Specific Security Services Component as UNIX Security Analyst.
• Has done the security configuration snapshot.
• Has provided a center for all security settings TCP, NET, IPSEC, system, and auditing .
• Have written, tested and implemented UNIX shell scripts to monitor database status, start and stop the database, retrieve database statistics for analysis, periodic executions of stats pack utility.
• Plan, install, configure and perform upgrades of Oracle DBMS software on various platforms
• Wrote shell scripts for automated installations, to extract logs.
• Installing and setting up Oracle9i on Linux for the development team.
• Migrated database applications from Windows 2000 Server to Linux server.
• Developed Korn and Bash shell-scripts to automate routine activities.
• Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, MySQL database, and firewalls in both development and production.
• Installed and configured Sudo for users to access the root privileges.
• Expertise in Unix Scripting using C/C and Perl.
• Backing up AIX servers using mksysb and ADSM/TSM using IBM 3494 automatic tape libraries and recovering
• Installed and configured AIX 5.1 ,5.2 ,5.3 and 6.1 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.
• Performing Failovers in HACMP / cluster environment, monitoring servers
• Dealing with user id deletion with removing entries from CRONTAB.
• 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.
• Daily tasks included dealing with AIX side of SAN. Like troubleshooting Fiber card adapter, replacing Fiber card adapters. Configuring LUN's back.
• Setup of VIOClients/LPARS sharing Ethernet Adapters and SCSI's
• Creating Logical Partitions of VIO Servers and VIO Clients on pSeries frame and assigning processor, memory and Ethernet adapters to VIOS and assigning memory and processor to VIOC LPARS .
• Migrated AIX 5.3 with HACMP 5.1 to HACMP 5.2 online .
• Daily roles included dealing with LVM extensively. Strong hold of LVM.
• Administration Tasks included User administration, Performance, Sendmail. weekly mksysb
• Configured and administrated VIO server and Lpar clients.
• Configured and administrated Lpar's.
• Setup and configured network TCP/IP on AIX including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on AIX Servers
• Configured IBM RS 6000,550,520,610 machines for production, staging and test environments
• Represented client as UNIX Security SME during audits of 3rd party sites.
• Identify requirements research and author Technical Architecture Security Standards.
• Ensure projects developing or implementing UNIX based solutions comply with Technical Architecture Standards and Enterprise Information Security Policy.
• Perform risk assessment surveys to identify security requirements.
• Create and update security scripts for all UNIX platforms.
• Harden and secure UNIX servers as well as monitor security reports and logs.
• Research and implement UNIX security solutions.

Confidential

AIX ADMIN

Responsibilities:

• Installation and maintenance of AIX Systems.
• Administration of AIX Operating Systems.
• System backup management using IBM ADSM Backup Server.
• IBM RS/6000 SP System Software Maintenance AIX System Dump Generation and sending System Dump to AIX System Support Center.
• Installation/administration of AIX, Linux, Solaris, and NT/2000 Servers on a LAN, setting up optimal RAID levels fault tolerance for protected data storage in NAS environments. Install and configure DHCP, DNS BIND, MS , web Apache, IIS , mail SMTP, IMAP, POP3 , and file servers.
• Oracle RDBMS with implementations of relational models.
• Defined and setup network printers, and install client/server applications. Define/setup network protocols, Network File Services NFS , and Network Information Services NIS .
• Setup and administered training room / Mentored students during training
• AIX systems administration and Disk Management using SMIT.
• Logical Volume Management LVM of AIX.
• Predefined and Customized Volume Group management on AIX
• Installation and Administration of TIVOLI Service Desk.
• Disk Replacement Strategy on AIX.
• Performance Management Tuning of AIX UNIX Kernel.
• Managing cron jobs, batch processing and job scheduling.
• Software installation and maintenance.
• Installation and administration of peripherals.
• Security, users and groups administration.
• Networking service, performance, and resource monitoring
• Daily backup and restore operations.
• Set-up and administration of DNS server.
• Completed a full migration of UNIX Server Solaris , including all network services, applications from NT 4 to Windows 2000 platform.
• Installation/setup of client/server MMS Applications. Create RDBMS backend with Oracle8 Database and MS SQL Server for the University at telecommunication sites throughout the US.
• Review Design Documentation confirming to Software Requirements
• Systems administrator providing support for production and development systems. Environment consisted of multiple IBM RS/6000's SP, R-series and X-Window terminals
• Used Perl v5 for systems tasks as well as C/C and Korn shell scripting.
• Design and implemented SMIT configuration screens.
• Other standard system administration tasks performed, such as system monitoring, performance usage, network support, and user support.