Professional Summary

• Over 9 years of Experience in designing, deploying, administering J2EE and Middleware solutions integrating WebSphere Base ND , WMQ, Apache Tomcat, JBoss EAP,JBoss EWS, Sun ONE and IBM IHS, Apache WebServers, iPlanet and IDS LDAP.
• Extensive experience in Planning, Installing, Configuring, Administering, Patching, Tuning, Troubleshooting and Integrating IBM WebSphere Application Server, WebSphere MQSeries, Apache Tomcat, Apache Http Server,JBOSS EWS, EAP, IHS SunOne WebServers, and LDAP.
• On-call Production Support 24x7 , monitoring and maintaining multiple Applications in Development, TEST, QA, Staging and Production Environments.
• Experience in deploying J2EE components EAR/WAR/JAR on WAS 5.0/5.1/6.0/6.1/7 using AAT Application Assembly Tool , WAS Admin Console, shell/wsadmin/JACL/Jython scripting.
• Strong experience in Administration and Maintenance of WAS ND clusters vertical, horizontal, hybrid and deployment of applications in highly available, load balanced production environments.
• Experience in design implementation of both internet, intranet applications - DMZ and non DMZ.
• Deployment, Software installation, maintenance, fixes upgrades, general administration, troubleshooting and performance tuning of App Web Servers.
• Highly experienced in Shell, JACL and Jython scripting for administration, maintenance and troubleshooting written scripts for ALL day-to-day activities both WAS and shell.
• Extensive experience with MQSeries Clustering, MQClient/MQServer setup and Administration.
• Highly experienced integrating WAS-ND and related software including WMQ, SunONE Web Server, IBM IHS, IBM TAM, Netegrity SiteMinder, LDAP, IDS, JProbe, Wily Introscope.
• Highly experienced deploying and debugging applications in Base and ND WebSphere Application Server providing loadbalanced and highly available clustering solutions.
• Highly experienced in SiteMinder policy creation and promotion and Agent configuration and installation, TAM Junction creating and attaching ACLs to integrate with Web and Application Servers and Ldap.
• Good knowledge of Firewall configuration and Network protocols, DNS, Network Dispatchers.
• Ability to pickup new technologies, solve complex technical/runtime problems and multitask between different projects.
• Recommended Modification of Coding Variables to reduce Garbage Collection.

Technical skills:

• Programming Languages and Scripts: Shell scripting Korn, bash ,JACL/JYTHON, Java, Servlets, JDBC, JSP, ASP, Enterprise Java Beans, XML, XSL, DOM SAX Parsers, SSO, JBOSS, JNDI, IIOP,JMS, LDAP.
• Databases: Oracle, DB2, MS SQL Server 2000, MS Access.
• Web/Application Servers: IBM WebSphere 4.0/5 /5.1/6/7, WebSphere MQ Series ,IBM HTTP Server, Tomcat, Apache, IIS, Jboss
• Operating Systems: UNIX, Linux, HP-UX,Solaris, IBM AIX and Windows NT/2000/XP.
• Development/Build Tools: WSAD, ANT, AAT, Jenkins, SQL Plus, Oracle 10g.
• Networking Communication Protocols: TCP/IP, HTTP/HTTPS, RMI/IIOP.
• LDAP: Sun-one Directory Server, IBM Directory Server.

Work Experience:

Confidential

JBoss Admin/Middleware Admin

Responsibilities:

• Experience in installing, configuring and maintenance of JBOSS EAP 5.x/6.x, JBoss EWS, Apache Tomcat 5/6 servers on Redhat Linux platform.
• Administered, configured, tuned, and troubleshot Java Applications on a JBoss clustered environment
• Experience in installing, configuring, and maintenance of Apache Webserver, JBoss Operations Network, Wily CA introscope on all the environments such as SIT, FQT, PVT, and PROD.
• Work with project teams to troubleshoot various issues.
• 100 availability of live production applications running on Red Hat JBoss.
• Served as Subject Matter Expert for middleware technologies in use by the client
• Worked closely with project teams to successfully integrate different layers for processing business data.
• Responsible for designing high availability middleware systems for 24x7 application availability.
• Participated in performance tuning of various applications in order to gauge optimum system requirements.
• Provided middleware architecture that can sustain high traffic without any performance degradation
• Integrated App Web Servers with Enterprise Content Management system namely Alfresco 4.1.6 SOLR servers
• Completed disaster recovery and capacity increase for business critical applications in between sudden influx of traffic.

On-call Production Support 24x7

Environment: JBoss EAP 5.x/6.x, JBoss ews, Alfresco 4.1.6, Apache tomcat, Httpd, Redhat Linux Santiago 6x, Willy Introscope 7.x, Oracle 10g,SQL Server.

Confidential

JBoss Admin/ Middleware admin

Responsibilities:

• Installed and configured WebSphere Network Deployment Manager 8.0, on UNIX Platforms, Web Sphere base Application Server and used Update Installer to update with fixpacks. Automated the tasks with shell scripts using silent response files.
• Administered, configured, tuned, and troubleshot WebSphere in a clustered environment.
• Worked with ConfigEngine tasks, transferred data from Local database to external backend databases like Oracle DB2.
• Tuning the JVM based on performance testing /monitored the results on Wily.
• Separated the static content from the dynamic content for better application security and performance
• Installed and configured both IBM HTTP Server and iPlanet Web servers and plugins and configured SSL for the webserver and plugin communications.
• Administered, configured, tuned, and troubleshot Java Applications on a JBoss Clustered environment.
• Created and federated profiles to the Deployment Manager using both Profile Management tool and also automated the process using manage profiles and addnode command.
• Installed Fix packs, Cumulative Fixes and Refresh Packs on the Base and ND Versions
• Created Centralized Installation Manager Repository CIM , pushed the installation to the target nodes through CIM, Installed Update Installer to the Installation Targets through CIM.
• worked on enabling WebSphere global security using Local OS and TDS LDAP LTPA mechanism , SSL configuration, ordering digital certificates, creating key database using ikeyman and keytool tools, import/export certificates and create self signed certificates. Troubleshooted and successfully resolved LDAP, SiteMinder, WAS, MQ, code, data issues.
• Installed, configured and administered WebSphere MQ and designed a complete and effective MQ Environment including naming standards, levels of service, security, monitoring and administration tools.
• Configured WebSphere resources like JDBC providers, JDBC data sources and connection pooling and tuning and monitoring it using Tivoli Performance viewer by enabling PMI.
• Configured adminconsole security on WebSphere and creating users with various roles to access the WebSphere admin console users and groups in ldap and added them as WebSphere Console Groups.
• Involved in opening and working on PMR's with IBM to solve various issue related to the environment. Enabled traces as part of troubleshooting and used collector tool to submit the logs and traces to IBM after running the must gather scripts and enabling various traces and taking thread dumps.
• Used WebSphere plug-in for load balancing across the cluster members and manually updated it for remote webservers in the DMZ.
• Installed SSL certificates on the web servers using ikeyman tool.
• Was involved in writing shell scripts to automate WebSphere admin tasks and application specific rsyncs / backups and other schedulers.
• Participated in team meetings and management meetings to resolve issues related to the various environments.
• Used Tivoli Performance tools for tuning the WebSphere environments JVM heap size, data base connection pool size, etc .

On-call Production Support 24x7

Environment: IBM WebSphere Application Server 6.0/6.1/7.0/8.0/8.5, IBM WebSphere MQ 5.3, IBM DB2, AIX 5.1/5.2, SunSolaris 10/9/8,Sun ONE Directory Server 5.1, IHS webserver 2.0/2.1/6.1, Tivoli Performance Viewer, Willy Introscope 7.x, Oracle 10g.

Confidential

Sr.Middleware Engineer Responsibilities:

• Installed, configured, and maintained IBM WebSphere Application Server ND 6.1/6.0/5.1, IBM HTTP Server, iPlanet.
• Deployed application EAR's on WebSphere Application Server Network Deployment in QA, Staging and Production environments on a daily basis and troubleshoot various configuration and application issues
• Setup Cells, Nodes and Clusters
• Worked on Session management, Session tracking mechanisms like SSL ID and enabling Cookie.
• Created Replication Domains and worked on Memory to Memory replication mechanism for enabling session persistence under centralized Network Deployment Environment.
• Developed Cron jobs and Shell Scripts tk, Jython, Perl, ksh for automating administration tasks like file system management, process management, backup and restore, automate application install, uninstall and application enhancements through shell scripts WSCP, JACL, Jython scripts
• Extensive hands on WebSphere Administration using command line tools like wsadmin, dump Namespace for JNDI
• Worked with IBM Support and development teams in resolving issues related to application memory leaks, analyzing java cores and heap dumps using Thread and Heap analyzer tools.
• Package, build, Integrate and deploy enterprise J2EE applications on Apache Tomcat 4/5 that involves EAR Enterprise Archives and WAR Web Archives .
• Involved in troubleshooting and performance tuning using Resource Analyzer and Log Analyzer.
• Profiled all the J2EE Applications and worked with Application Development, and QA teams to resolve possible memory leaks, improve application integrity, performance and resolve all issues, bugs before deploying in Production
• Performed WebSphere Configuration backup and restoration using scripts
• Utilized skills in shell and wsadmin/JACL scripting to automate deploying, updating applications, migrating data and automating batch jobs
• Monitoring application log files, Application Server Performance, Servlet Status, Active Sessions and DB Pool connections
• Configured and Enabled the Global Security
• System for WAS Administration for Console users and Console Groups using Active Directory Server as a LDAP User Registry.
• Configuring Websphere Application Server on multiple platforms for both horizontal and vertical scaling for Work Load Management.
• Performed Application-data backup recovery, local backup/restoration of the WebSphere Environment configurations and applications.

24x7 on-site operations support

Environment: IBM WebSphere Application Server 6.1/6.0/5.1/5.0,IBM DB2, Linux, AIX, HTTP Server, Apache Tomcat 4/5, Shell, JACL

Confidential

WebSphere Administrator

Responsibilities:

• Installed and configured IBM WebSphere Application Server ND and IHS on Sun Solaris8 and Windows 2003 server in a multi clustered high availability environments.
• Migrated WAS application's from 5.1 to 6.0 in development, test and production environments.
• Implemented horizontal and vertical scaling of WebSphere in a workload managed cluster to avoid failovers.
• Performed the package, build, integrate and deployment of enterprise J2EE applications on Web Sphere 6.0 that involved the creation and editing of EAR, JAR, WAR files using AAT.
• Configured WebSphere resources including JDBC providers, JDBC data sources and connection pooling.
• Installed plug-ins and worked on issues related with the AppServer and webserver connectivity.
• Troubleshooted various issues like Heap size, class path, thread pools and port conflicts.
• Log rotation of web and application server logs on a daily basis.
• Deployed Enterprise applications on clustered Application Servers through admin console and by using automated scripts on UNIX/Windows environment.
• Created users, groups in LDAP TDS and mapped them to the enterprise applications running on WAS.
• Generated web plug-in and configured with web servers by doing manual edits.
• Involved in configuration of WebSphere Application Server resources like JDBC, J2C, JMS and Connection Pooling.
• Integrated Enterprise-wide J2EE applications and deployed using Admin console, automated using wsadmin scripts JACL Jython .
• Reviewed Web Server, Application Server Performance Monitoring data using both Wily Introscope and Tivoli Performance Viewer and reviewed historical Tivoli logs for root cause analysis, recurring events and involved in troubleshooting.
• Maintained UNIX Shell Scripts, JACL to automate the WebSphere administration deploying customer applications, logs rotation, monitor applications state etc... .
• Worked on Problem tickets PMR's with IBM to find effective solutions to various problems and performance issues.
• Well documented all procedures and any other important issues.
• Provided 24/7 on call support on rotation basis.

Environment: WebSphere Application Server ND 6.1.x/6.0.x/5.1.x/5.0.x, Sun Solaris 8, Windows 2003, DB2UDB 8.0, IBM HTTP Server 6.x/2.0/1.3, XML, Tivoli Directory Server v5.0 LDAP , Tivoli Performance Viewer, Wily Introscope, wsadmin, Jacl.

Confidential

Middleware Support Engineer

Responsibilities:

• Created horizontal clusters for Development Testing Environments and production environments one set of nodes for dev testing, one set for production to achieve process Hardware fail over.
• Installed and Configured IBM Http Server, WebSphere Application Server V5.1 Enterprise Edition for Development, Testing and Production Servers on windows environment.
• Played an active involvement in monitoring server performance, network traffic to reduce performance bottleneck by enhanced performance ensuring upstream queuing.
• Applied software maintenance, program fixes and keeping the system software releases current.
• Configured Web server plug-in to directing dynamic requests to application server instances.
• Configured Virtual hosts, HTTP Plug-in, resources and Global security for application deployment.
• Packaged CACSA anywhere application with ANT and Deployed on to application server clusters using JACL script.
• Enabled Security for the Admin Console using local OS repository..
• Installed and Configure WebSphere MQ. Created QMGRs, Queues and Channels.
• Analyzed the performance with Tivoli performance monitoring tool. Tuned Web server and Application Server configuration parameters to improve the performance.
• Interpreted log files to locate and solved problems with tracing and debugging facilities.
• Responsible for writing Technical Documents which covers end to end build configuration.
• Maintaining updated documentation of all the Servers and the installed applications and patches
• On-call support 24x7 , Monitoring and maintaining multiple Applications at Development and Production.

Environment: Windows 2000, WebSphere Application Server 5.0, IBM Http Server 2.0.47, WebSphere MQ 5.0, CACS Recovery 1.0, ANT, IBM HTTP Server, Tivoli performance monitoring Tool.

Confidential

Application Developer

Responsibilities:

• Involved in designing developing web interface using HTML, JSP, JavaScript and JDBC.
• Involved in developing JSP's, Servlets and EJBs. Prepared war files and jar files.
• Packaged ear files and deployed on to testing environments.
• Created resources JDBC provider, Data Sources and J2C Auth aliases and tested applications.
• Client side validations using JavaScript.
• Involved in writing and reviewing various documents for client.

Environment: JSP, Servlets, EJBs, JDBC, HTML, XML, JavaScript, Oracle 9i, Unix