Ø Over 7 years of IT experience as IBM WebSphere Administrator for IBM WebSphere Application Server and IBM WebSphere Portal Server in different platforms.
Ø Extensive experience in deployments and management of enterprise applications using WebSphere ApplicationServer5.x/6.x/7.x and WebSphere Portal Server 5.x/6.x, WebSphere MQ 5.x/6.x/7.x on UNIX (Solaris/AIX), Linux and Windows NT/2000/2003/2008 environments.
Ø Experience in installing, configuring WebSphere Extended Deployment XD Version 5.x/6.x on AIX, Solaris and Linux.
Ø Extensive experience in Configuring, Migrating WebSphere Application Server 4.0/5.0/6.0, Migrating WebSphere MQ 5.2 to 5.3 and from 5.3 to 6.0.
Ø Knowledge in Web Server administration, which includes installation, configuration and troubleshooting of IBM HTTP Servers, Apache Server, Tomcat server.
Ø Well versed in different stages of implementing the Work Load Management (WLM) using cloning and clustering including horizontal clusters and vertical clusters and creation of nodes.
Ø Expertise in Installing, Configuring and Trouble-Shooting Web Servers like iPlanet, IIS WebServer, Apache, Tomcat , Oracle database Server, SQL Server on Windows and different UNIX flavors.
Ø Experienced in Web Server administration, which includes installation, configuration, upgrading & troubleshooting of IBM HTTP Server (IHS), Sun ONE, IIS, Apache and their integration with WebSphere Application Server.
Ø Experienced in applying patches and plug-ins for WebSphere Application server.
Ø Experience in Deployment of portlets and war files on WebSphere Portal.
Ø Experience in configuring WAS with WebSphere MQ infrastructure.
Ø Expertise in Configuring JDBC Providers, Data Sources, JMS, Virtual Hosts, Global Security.
Ø Excellent working knowledge in implementing LDAP security models using Sun One LDAP and IBM Tivoli Directory Server.
Ø Extensive experience in optimizing the performance of WebSphere Application Server using Work Load Management (WLM) with cloning and clustering techniques including Horizontal and Vertical Scaling with Round-Robin method for failover and backup/recovery processes.
Ø Experienced in providing VeriSign Digital SSL certificates for all Java Enterprise Level Applications.
Ø Extensive experience in providing 24/7 on-call support for applications servers.
Ø Experienced in defining WebSphere resources such as JDBC providers, data sources, MQ Queue connection factories, Queue destinations and Message driven bean listeners.
Ø Well versed in writing shell scripts in Jacl, Jython scripts to automate the administrative tasks.
Ø Extensive understanding in all phases of software life cycle with emphasis in Designing, Developing, Implementation, Deployment and Support of distributed enterprise scalable, secure and transactional J2EE applications in both production and development environment.
Ø Proficient in deploying J2EE applications on WebSphere Application Server using deployment tools such as AAT and ANT.
Ø Excellent communication skills, strong architectural skills, hardworking and a good team player.
J2EE, EJB, JNDI, JDBC
Server Side Technologies
JSP, Servlets, AJAX
IBM WebSphere Application Server 4.0/5.x/6.x/7 base/ND/XD, WebSphere Portal Server(WPS)5.1.x/6.0, WebSphere Process Server 6.0/6.1, IBM HTTP Server 6.1/6.0/2.0.47/2.0.42/1.3.26/1.3.19, IIS, SunOne, Apache Jakarta Tomcat.
JACL, Jython, Python, TCL, WSCP, WSADMIN, Shell Script, Perl, AWK
HTTP, SOAP, TCP/IP, FTP, LDAP,SMTP, TCP/IP, HTTP/HTTPS Firewalls, Load balancers, NAS, NFS.
JBuilder, Eclipse, Netbeans, Editplus, WSAD
Apache Struts Framework, JSF, Swing, Spring Framework, Hibernate, MVC.
SOAP, WSDL, iPlanet
Oracle, DB2, SQL Server Transact-SQL, Sybase
Windows 2000/2003/NT/9x, Sun Solaris, Red hat Linux, Suse Linux IBM AIX (4.0/5.x)
Rational Rose, Rational Clearcase, Rational Unified process
Tivoli Performance Viewer, Thread Analyzer, Log Analyzer, Wiley Introscope 7.x, 8.x,HP OVO
Client: VHA Inc, Irving, TX Jun’08 – Till Date
Websphere Administrator / Middleware Engineer
ü Installed, configured, administered, troubleshoot, tuned WAS ND 6.1/7.0, on AIX, Linux for multiple projects.
ü Involved in performance and capacity planning of enterprise systems.
ü Configured WebSphere resources like JDBC providers, JDBC data sources and JMS.
ü Automated application install, uninstall through Shell Scripts, JACL, Jython scripts.
ü Migration from WebSphere 6.1 to 7.0 at enterprise level.
ü Managed the security and performance optimizations for EJB containers, WEB containers for web applications in IBM WebSphere.
ü Configured Global Security and SSL Security for WebSphere Application Server and used federated repositories.
ü Responsible for application changes across different platforms - dev, testing, UAT and production.
ü Configured Server Groups for High availability and Fail over capability.
ü Create and add the new Application servers to the existing Horizontal and Vertical cluster environment.
ü Installed, configured and administered WebSphere Portal Server 220.127.116.11/6.0/6.1 on AIX, SOLARIS, WINDOWS and LINUX in a clustered environment.
ü Involved in designing WebSphere Application Server load balancing and fail over by using Workload Management (WLM),horizontal and vertical scaling.
ü Used Tivoli Performance Monitoring tool and Wily Introscope to monitor application resources (Enterprise beans, servlets) and WAS runtime resource (JVM memory, application server thread pools, database connection poo1).
ü Interpreted with log files to locate and solve application server problems.
ü Scheduling the meetings with Business Analysts and the programmers to resolve the high complex issues.
ü Developed, enhanced and maintained Message Broker tools and components for providing stable environment.
ü Provided technical support / direction to developer's team working to create stable, conventional and effective Message Broker components.
ü Closely worked with Quality Control, Change Management, and Quality Assurance department.
ü Troubleshoot problem-tickets, worked with developers to identify the root cause and resolve the issue or propose a potential work around.
ü Performed WebSphere Configuration backup and restoration using scripts.
ü Package, build, Integrate and deploy enterprise J2EE applications on WebSphere 5.x/6.x/7.0 that involves EAR, WAR files.
ü Maintaining updated documentation of all the Servers, installed applications and updates.
ü On call, on pager, 24x7 production support and maintenance of Applications Servers on rotation basis.
ü Analyzed and resolved issues collect data automatically and create PMRs and send the required information to IBM.
ü Security, users, groups administration and daily backup and restore operations.
ü Active involvement in monitoring server performance to reduce performance bottleneck.
ü Installed upgrades and fix packs to the runtime environment as required decreasing vulnerability to production environment.
IBM WebSphere Application Server 6.x/7.0, WebSphere Portal Server 18.104.22.168/6.0/6.1, IBM HTTP Server, BigIP, LDAP server, AIX, Windows 2000/2003, Oracle 10g, Apache, JSP, XML, SOAP, , JMS, HTML, JNDI, Java Script, Servlets.
Client: Carolinas HealthCare Systems, Charlotte, NC Apr'07– Jun'08
Websphere Administrator / Middleware Engineer
ü Responsible for administration, development and implementation of web application using WebSphere Application Server 5.0/6.0.
ü Deployed large Web-based transaction systems in WebSphere Application Server 5.0.
ü Implemented Cloning, Clustering, Performance tuning and trouble shooting of IBM WebSphere Application Server 5.0.
ü Implemented LDAP Server, Netegrity Site Minder, and Global Security.
ü Configured WebSphere Portal and WebSphere Application Server V4.0 to use Netegrity SiteMinder V5.5.
ü Installed and Configured WebSphere Extended Deployment manager (XD) 5.1/6.0.2.
ü Created dynamic clustering using WebSphere XD.
ü Responsible for installing and configuring third party software necessary to test the product such as IBM Http Server and Apache Webserver.
ü Managed the Security and Performance optimizations for EJB containers and web applications in IBM WebSphere, IBM HTTP Server and Apache WebServer.
ü Deployed Servlets, Session and Entity Beans on the WebSphere Application Server.
ü Managed security and performance optimizations for WebSphere Application Server 5.0.
ü Used Tivoli Performance Monitoring tool to monitor application resources (Enterprise beans, servlets) and WAS runtime resources (JVM memory, application server thread pools, database connection pool).
ü Trouble shooting on issues such as out of memory, memory leaks, hung sessions and session replication.
ü Troubleshooting on issues such as federation of nodes and synchronization of nodes with Websphere Application Server NDM.
ü Involved in configuring the WebSphere load balancing using WebSphere workload management like horizontal cloning and vertical cloning.
ü Deployment of application and troubleshooting issues of successful running of application on HTML page.
ü Installed Upgrade Service Packs for migration to WebSphere Application Server 6.0.
ü Effectively interacted with the users on a daily basis, decreasing downtime and increasing user productivity.
ü Configured Enterprise Service Bus.
ü Configured SIB in Websphere 6.0.
ü Created Environment with the help of Python scripts.
ü Monitored for Application core dumps, or forced thread dumps to check for system objects using thread analyzer.
ü Configured plug-ins for WebSphere Application Server 5.0/6.0.
ü Developed scripts to handle everyday System Administration tasks such as backup procedure, system cleanup, everyday system tasks, etc.
ü Problem determination using local error logs and by running user traces and service traces.
ü Extensively worked on performance tuning and log analyzer to analyze various logs and traces. 24/7 support in troubleshooting problems occur for E-business and regular WebSphere applications.
ü Documented all procedures and any other important issues.
Client: Washington Mutual Financial services, Austin, TX Sep '06 - Mar'07
ü Performed Installation, Configuration and Maintenance of IBM WebSphere Application Server 5.1/6.0 Stand alone and Network Deployment servers on AIX, Red Hat Linux, Windows NT/2000 and Solaris platform.
ü Involved in installation, configuration, migration, clustering and user management on AIX/Solaris.
ü Designed WebSphere Application Server load balancing and fail over by using Workload Management (WLM),horizontal and vertical scaling.
ü Installed plug-ins for hosting web modules of Enterprise Applications on Apache Tomcat, iPlanet, IIS, IBM HTTP Server on local and remote systems and on multiple web servers on same host.
ü Installed Configured and Administered WebSphere Process Server 6.0.
ü Configured SCA, BPC and HTC Components in WebSphere Process Server.
ü Worked extensively on the implementation of LDAP Server, Netegrity Site Minder, and Global Security.
ü Installed and Configured WebSphere Portal Server 5.1.
ü Extensively involved in Portal Server configuration like Portal Server install, cloudscape, to DB2 Migration, Security configuration, WebServer Server Configuration.
ü Responsible for organize and design secure, robust message broker infrastructure and environment.
ü Transferred knowledge on message broker application development using technologies, platforms and tools used by clients.
ü Developed automation and process for operations and deployment of application in a message broker environment.
ü Responsible for Deploying the portlets, themes, skins, and Application deployments for Portal Apps.
ü Experience in using Garbage Collection, Resource Analyzer, Log Analyzer, Thread Dump Analyzer, Heap Analyzer, JProbe and upgrades are also done.
ü Experienced on providing Plan, Document & Test procedures for Disaster Recovery.
ü Worked closely with development, testing and production team to align project deliverables, dates and report issues/concerns and experience in operational 24x7 support
Environment :WebSphere Application Server V5.1/6.0, WebSphere Portal Servers4.1/5.1, WebSphere Process Server 6.0,Linux, Solaris, Windows NT/2000, AIX, DB2 UDB 8.0, Oracle 9i, IBM HTTP Server , LDAP Server, Heap Analyzer, Tivoli Performance Viewer, JProbe, and Global Security .
Client: Fleet Bank, Jersey City, NJ Jan '06 to Aug '06
ü Installed, configured, administered WebSphere Application Server ND on UNIX and AIX for multiple high profile projects.
ü Administered, configured, tuned and troubleshoot WebSphere in a clustered environment.
ü Responsible for deploying enterprise applications from Admin console and enabling security using LTPA and LDAP for admin console and application components.
ü Configured IHS Web server to work with WAS.
ü Configured WebSphere resources like JDBC providers, JDBC data sources, Connection pooling.
ü Investigated, troubleshot and resolved application and configuration issues.
ü Wrote Shell scripts to monitor installed enterprise applications and to get information from the logs and database in the required format and other daily activities and jobs.
ü Used WebSphere Admin Console and WebSphere admin/JACL scripting to install enterprise EAR, WAR files or for hot deployment.
ü Troubleshoot various problems at QA, Staging and Production phases.
ü Sound knowledge in configuring JMS Provides using WebSphere MQ.
ü Monitored Applications and WAS performance through Tivoli Performance Viewer and tuned the system – caching, queuing, JVM parameters, DB Connection Pooling.
ü Involved in installing WebSphere Commerce 5.6.1 on UNIX and AIX Platforms
ü With Web Content Management.
Environment: IBM WebSphere Application Server 5.1.x/ 6.x, IBM WebSphere MQ 5.3, IBM DB2, Sun ONE Directory Server 5.1, Sun ONE web server 6.1, UNIX, AIX.
Client: Lanco Assembly Systems, Denver, CO June 03 – Nov 05
Unix System Administrator
ü Worked as Unix System Admin as a support engineer for the servers running 24x7 in Production Environment
ü Responsible for servicing trouble-ticket requests, 3rd-party software installation, and user support, in a homogeneous AIX 5.1/4.3.3 environment.
ü Performed installation, periodic maintenance updates.
ü Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
ü Implementation of Flash copy, volume mirroring, Volume copy.
ü Configured backup/archive policies using ADSM utility and mksysb images of root volume group to meet data archiving requirements and disaster recovery readiness.
Environment: IBM AIX (RS6000), Tivoli Storage Manager, Korn shell, NIS, NFS.
Bachelor of Technology in Electrical & Electronics Engineering, JNTU, INDIA.-2002