SUMMARY

• Over 8 of experience in large scale enterprise production environment working as a Systems Administrator of Unix ,AIX, Sun Solaris, SAN, Linux, HP-UX and Windows Server systems.
• Experience with installation administration of AIX 4.3, 5.1, 5.2, 5.3, 6.1 and 7.1
• Expertise in adding and removing user accounts, backing up programs, maintaining system database files and maintain the project servers.
• Worked on power6 and power5 hardware of IBM. Performed Logical Partitioning, virtualization and clustering for p595 p590 p570 p550 frames
• Expertise in Virtualization on Power7/6/5 frames.
• A rock solid knowledge of virtualization of p-series and Blade servers. I was the single resource to manage, build and configure the VIOS and LPAR's on Blade servers and p-series.
• Build countless VIOS and LPAR's on p-series p550, p570, p590, p780. Configuration and installation.
• Used HMC to create partitions on frames
• Created numerous frames with virtual resources and allocated the same to virtual clients
• Created vscsi virtual Ethernet adapters
• Allocated SAN to VIO clients by using mkvdev command
• Good understanding of networking/distributed computing environment concepts
• Experienced in installation, configuration, Deployment and management of enterprise applications using IBM Web Sphere Application server 3.x/4.x/5.x/6.x/7.x and IBM WebSphere Portal server 6.0/6.1 on Different platforms Solaris, Red Hat Linux, AIX Windows2000/2003 Server
• Configured and Administered HACMP 4.5, 5.1, 5.2, 5.3, 5.4, 5.5 IBM PowerHA.
• Extended knowledge of IBM virtualization including configuring VIO servers
• Experienced in Installing, Configuring and Administering of WebSphere MQ Series product on AIX/Linux/Solaris
• Installed SAP basis on AIX 5.x platform and troubleshooted issues encountered during the installation
• Supported SAP Team for smooth installation and implementation of ERP.
• Worked with Network Appliance - Network File System and NetAPP Filers
• Worked with network Admins to configure virtual interfaces vifs on NetApp
• Installed and configured of NetApp hardware and software products.
• Good experience in script cleanup procedures and backups
• Experience working on Firewall rules and network connectivity and Load balancers
• Ability to work with DB admin on DB2 and Oracle databases
• Expertise in SMIT, LVM Logical Volume Manager , Mirroring, User Administration System Resource management, Paging Space management, and job scheduling.
• Migration of TSM 4.3/5.1/5.2 to TSM 5.3, 5.4, 5.5, 6.1 on AIX and windows servers.
• Working knowledge of VERITAS Net backup, VERITAS Volume Manager, file system maintenance, and performance analysis and tuning.
• Experience in Siebel CRN, Pega, Webserver, Java based applications
• Expertise in Migrating AIX OS from different AIX p series servers.
• Installation, Administration and configuration of LPARs with AIX 5L on p5 servers
• Installed and configured DLPARs and profiles in DLPARs through HMC.
• Experience in installation and configuration of SAP AIX servers.
• Installation and configuration of NIM master server and clients.
• Understands principles of routing client/server programming
• Expertise in MM Management Module IP reset at times of failure master in H-type Blade Center.
• Configured VLAN on Nortel switches in Blade Center.
• Knowledge of EMC Symmetrix.
• Implemented and configured Storage Area Network SAN using Fiber channel Technology for the LAN-free Backups.
• Excellent client relation skills and the drive to complete tasks effectively and efficiently where customer services and technical skills are demanded as well as the ability to communicate effectively with all levels of management and the client community.
• Ability to work in a team as well as alone.
• Comfortable to assist the company at any given time.

TECHNICAL SKILLS

OS : ibm aix 5.0 , linux redhat, suse , windows 2000/nt4.0 windows 2003, sun solaris, mac8.1/9/10 and os2. IDE : visualage3.5/4.0, websphere application studio4. jbuilder, code warrior, clearcase, clearquest and rationalrose. WEB TECHNOLOGIES : html, dhtml, xml, java script, jsp, servlets, ejb. APPLICATION SERVERS : websphere application server 3.5/4.0, netscape/iplanet server, mqseries, weblogic server, ibm http server. LANGUAGES : C, C , java, servlets, jsp, ejb, vb, JavaScript, html, perl and shell programming. NETWORKING : tcp/ip, nis, nfs, dns, dhcp, cisco routers/switches, lan. RDBMS : ibm udb2, oracle 7.x/8.0/9i, ms-sql server 7.0/6.5 and ms-access 97/95. OTHER SKILLS : hacmp, samba, tivoli tsm , veritas netbackup, veritas volume manager. WORK EXPERIENCE:

Confidential

Unix-Linux Admin/Support

Responsibilities

• v Experience in administration of enterprise applications with emphasis on IBM WebSphere Application Server 3.5/4.0/5.0, IBM HTTP Web Server Workload Management WLM in AIX, Sun Solaris, Linux and Windows NT/2000/XP environment.
• v Worked as AIX administrations and providing maintenance support to multiple IBM machines p5-520, p5-550, p5-570, p5-595, p7 750s and 770s running AIX 5.3/6.1/7.1.
• v Disk Replacement Strategy on AIX.
• v Defined and setup network printers, and install client/server applications. Define/setup network protocols, Network File Services NFS , and Network Information Services NIS .
• v Performance Management Tuning of AIX/UNIX Kernel.
• v Security, users, groups' administration and daily backup and restore operations.
• v Package, build, integrate and deploy enterprise J2EE applications on WebSphere 3.5/4.0/5.0 that involves EAR, JAR, and WAR files.
• v Responsible for configuring user authentication for the Aix system using LDAP.
• v Preparation and execution of server patching and upgrade on more than 200 servers including HP-UX, AIX, Solaris and Red Hat Linux servers. Servers included AIX HACMP and HP-UX MC/ServiceGuard clusters.
• v Experience in setting up cluster and creating repository queue managers for load balancing.
• v System backup management using IBM ADSM Backup Server.
• v Creating user profiles including groups and user accounts, assigning them passwords periodically and allotting them the required permissions. Changing the permission specifications as per requirements depending on User Administration duties.
• v Installation/administration of AIX, Linux and NT/2000 Servers on a LAN.
• v Installation and Administration of TIVOLI Service Desk.
• v Networking service, performance, and resource monitoring.
• v Applying software maintenance, program fixes and keeping the system software releases current.
• v Installed and configured Sudo for users to access the root privileges. v Installed application connectivity software to enable IBM print services. Configured and administered firewall rules, including the use of SNORT, NMAP to effectively monitor system files, port security, and network traffic activity coming through the firewall. v Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, MySQL database, and firewalls in both development and production.

Confidential

AIX/Unix Administrator

Responsibilities

v Worked as AIX administrations and providing maintenance support to multiple IBM machines p5-520, p5-550, p5-570, p5-595, p7 750s and 770s running AIX 5.3/6.1 v Performed installation, periodic maintenance updates and APAR fixes. v Configured and maintained the HACMP clusters to keep the high availability applications running on IBM pSeries. v Administered the UNIX System for clustered AIX Servers running HACMP and dynamic LPARs with fiber attached SAN storage. v Installed and configured VIOS servers and related LPARs through HMC. v Responsible for NIM installation, setting up NIM servers, clients, define the resources, Alternate Disk Migration with NIM v Built VIO servers and vio clients on POWER6, p5 P520,P550.P570 and p595s v Configuration management including the building of LPARs using HMC, IVM and configuring the hardware devices that support them. v Created and configured dynamic VIO servers 1.3, 1.5 and VIO 2.1 v Created SEA, Control channel, assigned disks through vscsi and NPIV v Installed and configured JBoss application server and Weblogic application Server. v Supported and troubleshooted JBoss and WebLogic application servers in Unix Environment v Involved in installation, configuration and troubleshooting issues related to JCAPS. v Responsible to apply patches, fixes and service packs to JCAPS. v Provided support for other UNIX based applications and servers on an as needed basis. v Active involvement in monitoring server performance, network traffic to reduce performance bottleneck. v Involved in implementation of EMC Power path for load balancing and redundancy in data path. v Co-ordinated application team to Upgrade AIX 5.1 to AIX 7.1. Extensively used LVM - created VGs, LVs disk mirroring for IBM p-series servers v Configured NIM, NFS and NIS and standardization of all the systems. v Activities include user administration startup and shutdown scripts crontabs, filesystem maintenance and backup scripting and automation. v Applying software maintenance, file sets, program fixes and keeping the system software releases current. v Administration responsibilities include user, group, disk, printer and security management, File sharing Permissions. v System Backup management using IBM TSM Backup Server and using Tape libraries. v Installed and configured IBM Tivoli Network Storage Manager TSM client Server software backup and recovery solutions v Coordinated server maintenance through a well defined change control process including after hours and weekend Sunday work as necessary to support systems. v Generated reports to show the trends of resource utilization user/CPU/network load. v Performance Management Tuning of AIX /UNIX Kernel. v Configuration and Administration of DNS, NFS, DHCP, FTP, Samba Servers and clients. Security layers like SSL, SSH, HTTPS, SFTP. v Installation and configuration and maintenance of Netscape and Apache web server. v Wrote shell scripts for automated installations, to extract logs. v Responsible for migrating and decommissioning of the system Creating Disk groups and volumes, plexes using VERITAS Volume Manager 5.0, Managing disks and file systems using VERITAS Volume Manager 5.0 v Installing and configuring Legato Netbackup 7.3.3, VERITAS NetBackup 5.0/6.x and Tripwire v Creating UNIX file system, VERITAS File System and configuring VG's and LV's using LVM. v Worked extensively on HA/ Disk Volume Management with VERITAS Volume Manager/ SVM VCS v Installed Veritas clustering on oracle and websphere server. v Installed and configured Solaris 10 Zones and containers on Solaris Enterprise server like M4000, M5000, T5220, T5240 v Updated documentation of all the Servers and the installed applications and patches. v Assisted other Unix administrators when help was needed i.e., creating UNIX accounts, writing scripts to perform system administrator functions, responding to trouble tickets, etc .

Confidential

AIX/UNIX Administrator

Responsibilities:

v Performed administrative tasks such as System Startup/shutdown, Backup strategy, Documentation, User Management, Security and Network management. v Provided UNIX infrastructure, operations and support for IBM P-Series 650, 670,690 and P5 servers P570/590/595 running IBM AIX 5.X.6.1. v Performed installation, periodic maintenance updates and apply APAR fixes. v Configured IBM RS 6000,550,520,610 machines for production, staging and test environments. v Installed open ERP client/server based on the client requirements. v Performed automation, trouble shooting and monitoring of the client/server ERP solution. v Installed and managed the system with HMC. v Configured and installed the web based system manager using the HMC. v Installed VMware server 2 on the systems. v Worked on VMware bench marking tools and troubleshooting devices. v Worked on running the virtual machines from one server to other. v Migrated virtual machines between the servers. v Filesystem management on various platforms. v Created Copies of Logical volumes on different physical volumes in rootvg or as requested by the application team. v Created active and passive clusters in HACMP. v Extended failover to backup resources at remote sites using optional PowerHA v Preparation and execution of server patching and upgrade on more than 200 servers including HP-UX, AIX, Solaris and Red Hat Linux servers. Servers included AIX HACMP and HP-UX MC/ServiceGuard clusters. v Installed and configured LAN and Flash copy. v Performed server buildup, cloning of LINUX servers. v Setup and configured VMware guests. v Setup and configured network TCP/IP on AIX including RPC connectivity for NFS. v Created mount points for Server directories, and mounted these directories on AIX Servers. v Configured and administrated Lpar's. v Configured and administrated VIO server and Lpar clients. v Administration Tasks included User administration, Performance, Sendmail, weekly mksysb v Daily roles included dealing with LVM extensively. Strong hold of LVM. v Migrated AIX 5.3 with HACMP 5.1 to HACMP 5.2 online . v Daily tasks included dealing with AIX side of SAN. Like troubleshooting Fiber card adapter, replacing Fiber card adapters. Configuring LUN's back. v 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. v Dealing with user id deletion with removing entries from CRONTAB. v Performing Failovers in HACMP / cluster environment, monitoring servers v Installed and configured AIX 4.3, 5.0, 5.1 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. v Designed and configured Ethernet VLAN's with RS/6000 IBM Servers, Cisco Routers 2500/2600 series and Cisco Switches Catalyst 2912 utilizing RJ45 CAT5 cables for the internal LAN, and a T1 fiber uplink across a Cisco backbone for connection on the WAN. v Configured Work Load Management WLM for IBM Websphere Application Server. v The migration task from websphere application server 5.1to web sphere application server 6.x was taken up on stand alone systems. v Setup of full networking services and protocols on UNIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality. v Backing up AIX servers using mksysb and ADSM/TSM using IBM 3494 automatic tape libraries and recovering