Employment

2006 -  2007
WebSphere Administrator

Responsibilities : Primary responsibility included deploying, supporting, maintaining, troubleshooting, monitoring and performance tuning production and pre-production clustered, single JVM, High Available, load balanced and IHS Stove Piped web Applications configured over 15 WAS production servers running on Unix operating system.
Worked with around 12 team members as the environment was large and large amount of traffic and transaction.
Deployed and configured IBM WebSphere Application Server 5.1 and 6.1, WebSphere Deployment Manager, WebSphere MQ 5.3 and 6.1, JBoss 4.0 on UNIX, Linux and Windows platform.
Applied Fix Packs and Migrated to latest versions as required for WPS, WMQ, JBoss, HTTP Server.
Migrated existing applications to formed HA environment of Websphere Application Server 6.1 from 5.1.
Provided continuous improvement recommendations and implementation for Websphere and JBoss infrastructure. These recommendations were had to be posted on-line after managers approval, so that team members can review the recommendation before implementation.

Updated and wrote Administration Guide, Proposal, Installation Manual, Technical Reference Guide, Procedure Guide, System requirements and Programming Documentation which reflects Websphere Infrastructure.
Worked with Netegrity like siteminder team to research for solution and installing necessary patches and files deployment to fix security issues with Internet Explorer 7 and Windows Vista. Wrote a proposal after researching of what should be done to fix the problem to get a go from manager. Wrote the document of what was done to solve the problem.
Involved in Disaster recovery project to create new JVM, upgrade application, networking and test iPlanet systems to make sure everything is working perfectly. Also updated the documentations for Disaster Recovery/Business Continuity Plans.
Participated in Azul venture project.

Provided on call, on pager 24x7 production, pre-production support and maintenance of web applications in WebSphere and JBoss servers. Any kind of issues and resolutions were written and posted online for future references.
Configures WAS Global Security using Tivoli Directory Server and SSL for WebServer.
Defined, synchronized and persistent IBM MQSeries Queue Manager, Channel Managers and Queues.
Configured WebSphere MQ channels, MQ queue destinations, MQ queue Connection factories and message listeners for the JVMs.

Worked on WebSphere components like Work Load Management like WLM, Servlet Engine, Session Manager, Administrator Client and Http-Web Administrator tool.
Administered, configured, tuned, clustered, troubleshot, synchronized environment on demand, debugged for WebSphere Application and MQ related problems.
Worked with various application team and DB2, Oracle team to provide technical guidelines and performed test application deployments and configuration changes to support applications on test.
Used WebSphere Resource Analyzer for performance tuning.
Configured HTTP Plug-In and Open Servlet Engine like OSE protocol, used to communicate from web server plug-in to a remote servlet engine.
Configured IIS server Plug-In for internet facing applications.
Created, changed settings, configured JDBC driver, Data Sources of Oracle, DB2 and XA using scripts and WAC.
Deployed Application, DataSources and Rate Adapter for MQ in JBoss server partitions. Also updated documents reflecting changes in JBoss servers.
Maintained and troubleshoot JBoss partitions and supported application running on Linux operating System. Added problems and solutions that came across me as I troubleshoot JBoss servers.

Environment : WebSphere Application Server 5.1 or 6.1, JBoss 4.0, Java1.2/1.3, EJB, Servlets, JSP, XML, HTML, Java Script, iPlanet 4.1, HTTP Web Server, Tomcat, JDBC, UNIX, Linux and Windows NT.

2005 -  2006
WebSphere like Commerce/Portal Administrator

Responsibilities : Primary responsibility included deploying, supporting, maintaining, troubleshooting and monitoring the Production applications which are clustered or highly available load balanced web applications configured over 20 production servers running AIX 5.1.
Deployed and configured of WebSphere Portal Server 5.1 and WebSphere Application Server 5.0/5.1, Websphere Deployment Manager, WebSphere MQ 5.3, all fixes and IBM HTTP Server 1.3.28/2.0 on various servers running of operating systems Windows 2000 or AIX 5.1 or Linux like Kernel 2.4.21 - 27.
Deployed and Configured WebSphere Commerce Suite v/s 5.1.

Wrote Administration Guide, Installation Manual, Technical Reference Guide, Process Guide, System requirements, Programming help for Development.
Wrote Documents to reflect current Infrastructure Problem Solving Issues.
Creating instances on WebSphere Commerce suite using specifics provided by developers.
Configured instances to connect to the data base for WSC.
Created diff volume groups and worked on storage management in AIX.
Defined Queue Managers and tested connectivity with the queue managers from the app server.
Monitored, maintained, troubleshoot and performance tuned Websphere MQ
Created SSL for the queue managers and tested SSL connectivity with the queue managers for SSL.
Applied of fix packs for WebSphere Application servers 5.0/5.1 and for IBM HTTP Server 2.0.47 on various servers.
Started and stopped the network dispatchers and proxy servers for the production environment. Also analyzed the network dispatcher logs to find problems with the same.
Demonstrated ability to manage multiple high-profile, complex projects and implement with minimal disruption to end users.
Provided on call, on pager 24x7 production support and maintenance of web applications.
Deployed WebSphere on W2k and Linux operating systems.
Used Mercury Load Runner to test some functionalities on 1 of the applications.
Configured Business Warehouse files.
Deployed applications in WebSphere 5.1 using JACL scripting.

2004 -  2005
WebSphere Administrator

Responsibilities :
Worked in tandem with Application Groups to help migration and integration of their applications like Documentum based J2EE applications.
Deployed new applications on the UAT, Staging and production servers.
Assisted the application owner with questions about installation packages, assisting operations staff with questions about the execution of a change request and maintaining operational procedures and tools for managing the WebSphere environment.
Administered running production and pre-production application, application performance monitoring - starting and stopping the application server.
Installed instances of Documentum products like Documentum WebPubliser and Webtop for application groups on the UAT and Staging server.
Responsible for the deployment and functional testing of a WebService application.
Provided the application developer with some recommendations to improve performance of the application after the functional testing was done.
Worked in tandem with Application Development Team to help migration and integration of their applications.
Coordinated with the LDAP Administrator team to troubleshoot problems with the LDAP WebService application.
Installation and configuration of Quest software's Performasure3.5.3 and JProbe memory debugger and Profiler on the Staging and UAT servers respectively.
Created integrations of the JVM with JProbe memory debugger and JProbe Profiler for the performance tuning of an application.
Configured the web server interfaces, session management, virtual hosts and transports for WebSphere.

Involved in horizontal clustering of UAT environment. Performed operational qualification procedures after the clustering had been completed.
Worked in tandem with the QA analyst to create integrations for the JVM on which the application is hosted to perform testing and tuning.
Involved in development of scripts for automation of daily tasks like creating a new application server, application installation on the created server and application update.
Deploying the Applications on the Server from WSADMIN/WSCP using JACL/TCL scripts.

Every single duty I took on had to be documented and posted on active directory for future references.

Environment : IBM WebSphere Application Server 5.0, Java, Java2EE, WSAD 5.0, IBM HTTP Server, Documentum Web Publisher, Documentum Webtop, Documentum Administrator, LDAP Server, JProbe Suite 5.2.0 Performa sure 3.5, Performa sure 3.5.3 Solaris5.8 and Windows NT.

2003 -  2004
WebSphere Administrator

Responsibilities : Deployed and configured IBM WebSphere Application Server 3.5/4.0, JDBC drivers and Servlets engines on AIX, Linux and Sun Solaris and created user roles and groups for securing the resources using local operating system authentication.

Worked on WebSphere components like Work Load Management like WLM, Servlet Engine, Session Manager, Administrator Client and Http-Web Administrator tool like thin client.
Developed many WebSphere Control Program like WSCP scripts and shell scripts to automate the maintenance process of the WebSphere and recovered the backed up WebSphere configuration using XMLConfig tool.
Installed JDBC drivers and Servlet engines on Sun Solaris.
Configured the extranet Web Servers and intranet application servers using the firewalls between the Web Servers and application servers like DMZ model.
Created, tested and amp ; deployed J2EE applications on Websphere Application Server using WSAD tools.
Administration of Working Application, Application performance monitoring - starting and stopping the application server, - Installed plugging for IBM HTTP and iPlanet WebServer, co-ordinate with Database Administrator Team to create databases for storing the Websphere application repository.
Involved in deploying the EAR files and scripting automated deployment of the applications.
Used IBM Edge Server and Network Dispatchers for load balancing.
Configured the web server interfaces, session management, virtual hosts and transports for WebSphere.
Configured WebSphere resources like JDBC providers, JDBC data sources, connection pooling and JavaMail sessions.
Involved in number of installation of WebSphere instances from development to production.
Involved in configuring the WebSphere load balancing using WebSphere workload management like horizontal cloning and vertical cloning.
Migrated existing applications from WebSphere 3.5 versions to 4.0 using waspreupgrade and waspostupgrade tools.
Configured horizontal scalability of WebSphere through a mechanism called as Cloning of multiple JVM's with independent Java Virtual Machines-JVM's, for each clone.
Involved in trouble shooting and Performance tuning using Resource analyzer and log analyzer.
Defined, synchronized and persistent IBM MQSeries Queue Manager, Channel Managers and Queues.

Environment : Java, Java2EE, Visual Age, WSAD, IBM Web Sphere Application Server3.5/4.0, IBM MQSeries, IBM HTTP Server, iPlanet, DB2 UDB, Oracle, AIX and Solaris.

2001 -  2003
Linux Administrator

Education

Miscellaneous

Have more than 5 years of IT experience with more than 4 years of strong experience in IBM WebSphere Administration. Extensive experience in optimization of enterprise applications integration middleware using IBM WebSphere Application server 3.5/4.0/5.0/6.0, Experienced in Web-hosting of Portals in Windows and amp ; UNIX platforms, Experienced on WebSphere Commerce Server 5.x, Excellent problem resolution and communication skills with ability to work under pressure in a highly visible role. Adaptive to team environment and has the capability of completing complex tasks independently.

LanguagesC, Java, JavaScript, Visual Basic, HTML, XML, SQL, PL/SQL, Shell Scripts.
ServersIBM WebSphere Commerce Suite, Application Server 3.5/4.0/5.0/6.0, WebSphere Portal Server5.1, Apache Web Server, Tomcat, Netscape Enterprise Server like 3.6.3/iPlanet IBM HTTP Server, MS IIS and Netscape LDAP server, iPlanet mail server. Windows NT 4.0/2000 Server
Operating SystemsUNIX like Sun Solaris, AIX, Linux, Windows 95/98/2000 professional.
GUI Front End toolsJava Server Pages, Swing, Visual Basic 5.0/6.0, Developer 2000.
DatabaseDB2/UDB7.1/6.1, ORACLE 8.0/7 .x, SQLServer6.5/7.0, Sybase.
ToolsJ2EE, WSAD, JBuilder, Rational Rose, Business Warehouse.
Networking/
ProtocolTCP/IP, HTTP/HTTPS, RMI/IIOP, DNS and WAP like WTP/WSP

Responsibilities : Installed and configured 30 systems running AIX/Red Hat Linux.
Worked with Senior Administrator to develop configuration scripts for AIX systems.
Installed Red Hat Linux server which provided NAT service to clients, a send mail smart host and SNMP monitoring of vital statistics for 6 Windows NT 4.0 Servers
Responsible for the installation, configuration and regular maintenance of the Linux server that serves as the firewall/gateway/router of the internal Local Area Network like LAN.
Responsible for the daily maintenance of the Mail, Web and Proxy servers.
Provided technical support for the local and remote users, the installation of necessary software
Maintained and supported all components of IT infrastructure, 8 servers, desktop software and hardware.
Resolve problems with connectivity, Users logins, Crontab entries and Korn scripts.
Installed network interface cards, modems, memory, disk drives and motherboards.
Install and support DOS/Windows/network-based applications, e-mail accounts and network printing.
Install and upgrade software applications on servers and workstations
Resolve network connectivity issues between workstations and servers
Perform basic LAN administration functions.
Perform daily full backups of all network servers.
Troubleshoot network related problems on Linux and AIX platforms.