Summary

• Over 7 years of IT industry experience in Systems Administration, IBM WebSphere Application Server 6.x/7.x/8.x, IBM WebSphere MQSeries 5.x/6.0/7.x, TOMCAT, JBOSS EAP 5/EAP 6, integrating with all the J2EE components. Technical abilities include installations, configurations, security, migrations, and technical support for large enterprise applications.
• Involved and Implemented various Application architecture designs, WebServer and WebSphere load balancing techniques Horizontal and Vertical Clustering , SSL Mutual Authentication , Single Sign-on using Oblix and SiteMinder,.
• Experienced in TCP/IP fundamentals DNS, FTP, LDAP, Remote Access, Security Management, System Troubleshooting skills, and good knowledge in networking concept including Load Balancers and Firewalls.
• Adept at Monitoring and altering filesystem usage, hardware and system process failures.
• Proficient in Architecture, Installation, Setup and Configuration of IBM WebSphere Application Servers, TOMCAT, JBOSS and Apache Webserver, Windows IIS, IBM Http Server. Involved in configuring J2EE Enterprise Applications on heterogeneous platforms under multi-cell and multi-node environments.
• Expertise in setting up Database and MQ configurations in Tomcat Application Server, JBOSS and JON JBoss Operations Network 2.x/3.x .
• Experience in installing mod jk plugin for Tomcat and JBOSS.
• Experience of system administration on Sun-Solaris 10/9/8/7/2.x, Linux Redhat, Suse , AIX3.x/4.x/5.x, Windows Server 2008 R2/2003 R2/NT/2000.
• Performed root-cause analysis for production outages and provided management with analysis reports.
• Configured global security for WebSphere Application Server using IBM Directory Server as LDAP user registry and configured SSL for ldap communication.
• Controlled Deployments using a combination of Maven, Ant and Jenkins. Maven excels in version and dependency management Ant is utilised for the more complicated tasks where Maven is insufficient and Jenkins controls the CI, Unit Testing results and automated deployment.
• Configured Queue Connections Factories, Queue Definitions, and Listener Ports in order to provide connectivity to Enterprise MQ infrastructure and also worked on Service Integration Bus SIB configuration in V6.x
• Well experienced in writing shell scripts in bourne and korn shells, wrote JACL, python, Jython scritps to automate most of the WebSphere administrative tasks via the WLST, wsadmin util, CRON jobs and deploy on LPARS.
• Expertise in Tuning of Application Servers by Tivoli Performance Viewer and Compuware Vantage Analyzer like setting the dynamic cache size and setting the JVM heap size using collected Performance Monitoring Infrastructure PMI data.
• Resolved Deployment issues and network issues for Development team and in Production Environment. Created Data Sources to a variety of Databases, including DB2, SQL and Oracle.
• Hands on experience in deploying, implementing, testing and support of full life cycle implementations of various J2EE/Internet/Intranet and distributed applications.
• Well experienced in all stages of implementing the workload Management WLM using cloning and clustering.
• Opened PMR's and working closely with IBM support to resolve all environmental issues.
• Experience in configuring SSL security for the HTTP and iPlanet servers.
• Configured and implemented security for all the SOA services using XML firewall and VPN appliance.
• Highly skilled in updating plugin and config file for troubleshooting and improving performance.
• Worked with IBM on problem determination, troubleshooting, and resolution PMRs, running and submitting, gather scripts and log info, turning, trace, verbose-gc, taking thread and heapdump.
• Expert in using JProbe to identify the memory usage, leaks and analyzing the Garbage Collection and configuring the right GC parameters for better performance.
• Excellent team worker and ability to quickly adopt and work under minimal supervision. Ability to communicate requirements effectively to team members and manage applications. Extensive experience in providing 24/7 on-call support for applications running o IBM WebSphere J2EE application servers.

Technical Skills

Professional Experience

Confidential

Sr. Middleware Engineer

Responsibilities:

• Installed, configured and maintained IBM WebSphere Application Server 7.x/8.0/8.5, IBM WebSphere MQSeries 5.x/6.x, JBOSS, TOMCAT, IBM Http Server 1.3/2.0, Apache 2.x on heterogeneous platforms AIX 5.3/Sun Solaris 8.5/Linux/Windows NT .
• Installation and integration of Apache Web Server and PHP engine.
• Configured routing using mod jk connector for Tomcat and JBoss through AJP.
• Scripted JBOSS install and used 'rsync' to spin several environments. This was a process of configuration management.
• Involved in JBOSS slimming process and in JVM tuning, problem determination using thread and heap dumps using tools like JCONSOLE, GCVIEWER.
• Configured JBoss Messaging, which included setting up a data source, configuring access control, defining new destinations and updating applications and MDB.
• Manage and coordinate new production, User, training, performance test, and DR rollouts and code deployments on a weekly basis.
• Developing Ant, Maven and Shell scripts to automatically compile, package, deploy and test J2EE applications to a variety of WebSphere platforms BPM, MQ, ESB, Portal etc
• Automated/scripted Middleware related tasks namely Code push, Installations, and Health checks.
• Act as technical escalation for the team for troubleshooting and problem management in all environments Production, User, and Performance Test .
• Compiled Apache for CLED a legal app that runs webtop over TOMCAT 5.x and protected the site with SSO. Used IBM notes group to restrict access to the legal team using custom repositories in the policy server.
• Responsible for designing and documenting middleware components through the course of the projects.
• Deduced Automation strategies for WAS, WebSphere Portal, JIVE, IHS, APACHE installs on UNIX platforms primarily AIX.
• Created DMGR, application server and custom profiles in Linux platform for dev, test, preprod and production and federated application server and custom profile to DMGR using addNode.sh command.
• Hands on experience in Migrating the existing configuration and applications of IBM WebSphere using WASPreUpgrade and WASPostUpgrade tools on AIX.
• Applied Fix Packs for WebSphere Application Server 5.1/6.1 and hot fixes to various applications and multiple environments as per the change management system request to overcome the functionality and performance issues.
• Responsible for changing and migrating source code of high profile applications and deployment on WebSphere Application Server.
• Coordinated with IBM support by raising PMRs to resolve problems related to WebSphere Application Server and WebSphere MQ outages.
• Troubleshoot problems on the various environments involving the integrations of WebSphere, IBM Http server, iPlanet WebServers, TAM and LDAP.
• Developed WSadmin scripts using Jacl, Jython, Python to automate WebSphere processes including start/stop, creating and configuring servers, JDBC and MQ resources, deploying applications on stand-alone and clustered environments
• Configured global security on WebSphere using IBM Directory Server and secure the admin console.
• Troubleshoot problem-tickets, worked with developers to identify the root cause and resolve the issue or propose a potential work around and successfully resolved LDAP, SiteMinder, WAS, MQ, code, and data issues.
• Implemented authentication and authorization permissions to web resources and Installed SSL certificates on the web servers using IKEYMAN.
• Managed the security and performance optimizations for EJB containers and web applications in IBM WebSphere, IBM HTTP Server and Apache web server.
• Configured enterprise applications and corrected performance problems by monitoring server availability and resource utilization analysis.
• Lead role in performance testing and tuning the applications performance emphasizing on JVM heap size, CPU utilization, JDBC connection pools, Garbage Collector, Web container threads, Servlets performance, response time alerts and thresholds.
• Problem determination using local error logs and by running user traces and service traces.
• Assisted in several thread dumps and heap dumps analysis using IBM Thread analyzer and IBM Heap Analyzer.

Environment: IBM WebSphere Application Server 7.x/8.0/8.5, IBM, MQ Series, NDM Connect Direct 4.0, Netegrity Site Minder5.5/4.5, LDAP SunOne directory Server, J2EE1.3/1.2, Java2.0, JSP1.2, EJB2.0, JDBC2.0, XML, Windows 2000 Advanced Servers, Sun Solaris8/9, Site Scope, WSAD5.0/40, DB2, Oracle8.1.7/9.0.5, Remedy User, Shell Scripts, wsadmin scripting.

Confidential

Middleware Engineer

Responsibilities:

• Installed, configured and maintained JBOSS EAP 6, JON 2.4/3.0, IBM WebSphere Application Server 6.x/7.x, IBM WebSphere MQSeries 5.x/6.x, IBM Http Server 1.3/2.0, Apache 2.x on heterogeneous platforms AIX 5.3/Sun Solaris 8.5/Linux/Windows NT .
• Involved in migration from WAS 6.x Network Deployment and Base to WAS 7.x ND on AIX platform. Applied refresh packs, fixpacks and cumulative fixes for WebSphere, IHS and plugins.
• Created DMGR, application server and custom profiles in Linux platform for dev, test, preprod and production and federated application server and custom profile to DMGR using addNode.sh command.
• Hands on experience in Migrating the existing configuration and applications of IBM WebSphere using WASPreUpgrade and WASPostUpgrade tools on AIX.
• Developing automated process for code builds and deployments Jenkins, Ant, Maven, Sonatype Nexus, Shell Script, Perl, Java, Jython and Python of Web and J2EE applications on multiple Application Server Platforms.
• Coordinated with IBM support by raising PMRs to resolve problems related to WebSphere Application Server and WebSphere MQ outages.
• Troubleshoot problems on the various environments involving the integrations of WebSphere, IBM Http server, iPlanet WebServers, TAM and LDAP.
• Developed WSLT and WSadmin scripts using Jacl, Jython to automate WebSphere processes including start/stop, creating and configuring servers, JDBC and MQ resources, deploying applications on stand-alone and clustered environments
• Configured global security on WebSphere using IBM Directory Server and secure the admin console.
• Troubleshoot problem-tickets, worked with developers to identify the root cause and resolve the issue or propose a potential work around and successfully resolved LDAP, SiteMinder, WAS, MQ, code, and data issues.
• Implemented authentication and authorization permissions to web resources and Installed SSL certificates on the web servers using IKEYMAN.
• Installed Configured Apache web server v1.3/2.0.x on Sun E450 servers in Solaris environment and configured configuration file for virtual hosts for all sites.
• Managed the security and performance optimizations for EJB containers and web applications in IBM WebSphere, IBM HTTP Server and Apache web server.
• Configured enterprise applications and corrected performance problems by monitoring server availability and resource utilization analysis.
• Lead role in performance testing and tuning the applications performance emphasizing on JVM heap size, CPU utilization, JDBC connection pools, Garbage Collector, Web container threads, Servlets performance, response time alerts and thresholds.
• Problem determination using local error logs and by running user traces and service traces.
• Assisted in several thread dumps and heap dumps analysis using IBM Thread analyzer and IBM Heap Analyzer.

Environment: IBM WebSphere AppServer 6.x/7.x, IBM WebSphere MQSeries 5.0/6.1, IBM Http Server 1.3/2.0, Apache, AIX, WSAD, RAD7, LDAP, Heap analyzer, Windows 2000, LDAP,EJB, JDK, J2EE, JNDI.

Confidential

Sr. WebSphere Administrator

Responsibilities:

• Installed and configured WebSphere Application Server V6.1/7.0, WebSphere Portal Server V/7.0 on Unix/Linux Servers, created Portal Clusters using horizontal vertical clustering.
• Responsible for setting up the Dev, Test, QA, Pre-Prod and Production Environments which includes Installing the WebSphere, Creating Profiles, nodes, federation of nodes, WAS instances, Application Servers, Clusters, Virtual hosts, Data Sources, Plug-in configuration.
• Deployed portlet applications wars , setup labels, pages, assigned portlet to page on WebSphere Portal Server and created Virtual Portals.
• Responsible for development of integrated enterprise portal applications to support banking accounts on-line processing modules and promoted applications, customizations using XMLAccess, Release Builder.
• Installed and configured both IBM HTTP Server 6.x and Apache Web server, plugins, configured the web-server interfaces plugin file , session management, virtual hosts, Data Sources, HTTP transports for WebSphere Application Server instances and applications.
• Experience in configuring SSL for web servers, requesting and installing secure certificates, enabling global security using LDAP registry and single sign on.
• Managed the security and performance optimizations for EJB containers and Web applications in IBM WebSphere, IHS and Apache WebServer.
• Configured the Global Security on WebSphere using IBM Directory Server and created Users and Groups, assigned different authorization roles for each user and secured the admin console.
• Worked on troubleshooting Java applications using WAS logs, traces, Log Analyzer, Resource Analyzer/Tivoli Performance Viewer. Used Wily Introscope extensively to determine application bottlenecks to dig-out which modules are consuming excessive resources.
• Worked on problem tickets PMRs with IBM to find effective solutions to various problems and performance issues. Worked on WebSphere system related system work patches, fixes .
• Migrated existing applications from WAS 6.x to 7.x using WAS pre-upgrade and WAS post-upgrade tools on Sun Solaris, Aix.
• Good Hands on Experience in creating and configuring the horizontal-vertical clustering, Workload Management WLM and Session persistence.
• Configured WebSphere resources like JDBC providers, JDBC data sources and connection pooling and tuning it and monitoring it using Tivoli Performance Viewer by enabling PMI.
• Automate application install, uninstall and application enhancements through Shell scripts and wsadmin scripts.
• Involved in developing JACL, Jython, ANT and Shell scripts to deploy, administer and automate batch job scheduling including backup and recovery processes.
• Coordinated with various teams like Development, OS, Middleware group WebSphere MQ Group , SAN, Database and Networking to Deploy the J2EE Applications in Development, QA, Staging and Production Environments.
• On-call production support 24X7 and troubleshooting problems related to Web Servers, WebSphere Application Server, Plug-ins, and Database.
• Installed Netegrity Siteminder Application Server Agent r6.0 for WebSphere and configured Single Sign On for all our applications deployed on WebSphere using TAI.
• Configured SSL on IBM Http Server using Self signed certificates and CA Signed certificates, Configured Web Server Plug-in for request routing plugin-cfg.xml .

Environment: WebSphere Application Server, WebSphere Portal Server 7.0, IBM Http Server 2.0.47, 6.0.2.23, Sun One Directory Server 5.2, Netegrity SiteMinder Web Agent 5.x/6.x, AIX 5.3, F5 BIG IP, IBM Http Server, UNIX.

Confidential

WebSphere Administrator

Responsibilities:

• Installed, Configured and Administered WebSphere Application Server V5.0/5.1/6.0/6.1/7.0.
• Installed Configured of IBM HTTP Server V6.0/6.1 and Apache Web server V2.x, make junction works for the transportation of application through a web server.
• Configured WebSphere Deployment Manager and Application Server profiles in clustered horizontal and vertical environment to utilize the advantages of Failover and load balancing in multi-node environment.
• Responsible for deploying enterprise applications from Admin console and wsadmin tool using Jacl and Jython scripts enabling security using LTPA and LDAP for WebSphere Application Server.
• Configured WebSphere resources like JDBC providers, JDBC data sources and connection pooling for database connection.
• Highly experienced in optimizing performance of WebSphere Application server using Workload Management WLM .
• Configured the Web server Instances, Session Management, Virtual hosts and transports for WebSphere Application Server.
• Experience integrating with IBM TDS Tivoli Directory Server.
• Transferred default Cloudscape database to DB2 and Oracle in WebSphere Application Server.
• Involved in Migrating WAS V5.0/5.1 to 6.0 in AIX and SUSE Linux platform.
• Applied Fixes, Patches and ifixes to WebSphere Application Server v6.0/6.1.
• Installed Configured and Supported WebSphere Portal Server 5.1/6.0/6.1 and enabled Web Content Management.
• Configured Security for WebSphere Portal environment using LDAP registry IBM Directory Server.
• Transferred cloudscape to DB2 for WebSphere Portal.
• Configured and maintained a number of WebSphere Application Server instances in development, QA and production environment.
• Migrated existing applications from WebSphere Application Server 5.x to 6.x and 6.x to 7.0 using WASPreUpgrade and WASPostUpgrade tools.
• Used log files to help with performance monitoring, accounting and problem determination.
• Involved in securing J2EE applications by implementing Single Sign On by using LTPA and Site Minder.
• Enabled global security using by integrating WebSphere Application Server with IBM Directory Server LDAP
• Involved in troubleshooting the WebSphere application server 6.0 issues.
• Worked on evaluating Oracle Application server 10g 10.1.3 with WebSphere Application server 6.0.

Environment: WebSphere Application Server 6.0, WebSphere Process Server 6.0, WebSphere Adapter Framework, WebSphere Adapters, Windows 2000, SUSE Linux and AIX 5.2.

Confidential

WebSphere Administrator

Responsibilities:

• Installed, configured and administered of WebSphere Application Server 6.0.2/6.1, Network Deployment on multiple Platform.
• Installed and configured 6.1/6.0 version of IBM HTTP Server and plug-in in development, staging and production environments.
• Configured WebSphere Application Server on multiple platforms for both Horizontal and Vertical clustering for Work Load Management.
• Configured WebSphere resources like JDBC providers, JDBC data sources, connection pooling, JMS, session management, virtual hosts and HTTP transports.
• Deployed e-commerce J2EE applications on multiple WebSphere application server and maintained Load balancing, high availability and fail over functionality.
• Involved in Installing and Configuration of JBOSS Application Server V4.2.0/5.1.0 on Linux, Solaris and windows.
• Developed UNIX shell scripts, ant, Jython scripts to automate the WebSphere ND Administration recycling the application server, deploying customer applications, creating dynamic clusters, logs rotation, monitor applications state .
• Configured WebSphere Security using LDAP and Implemented SSL between WebSphere and LDAP and IHS and WebSphere.
• Enable global security for application servers and applications using Single Sign On SSO by LTPA mechanism on Secure Way LDAP User Registry.
• Problem determination through the log files JVM Logs and rectified the problems or interacting with IBM support to solve problems.
• Installed V5.1 Cumulative fix for WebSphere HTTP plug-in V5.1.1, SDK 1.4.2 Cumulative fix.
• Installed Fixpacks on WebSphere Application Server v6.x and added patches using Update installer.
• Monitoring application log files, Application Server Performance, Servlet Status, Active Sessions and DB Pool connections.
• Troubleshot problems on the various environments involving the integrations of WebSphere, IBM HTTP Server, Apache Web Servers, and CA siteminder, Sunone directory server v5.x.
• Installed and Configured, administered the Webagent in Web server and integrating between policy server and web server using CA Siteminder 6.0 and Apache web server 2.0.
• Configured global security on WebSphere using IBM Directory Server, Sun one directory server v5.x and secured the adminconsole using wsadmin Jython script.
• 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 using both adminconsole and wsadmin Jython.
• Installed Web applications and enterprise applications to Test, QA and Production environments.
• Providing 24/7 support in a High availability environment.

Environment: WebSphere Application Server 5.x/6.x, WebSphere Portal Server 5.1.0.x,, WebSphere MQ, Jboss Application Server, AIX v5.0, Java, JDK 1.3-1.4, JSP, EJB, UML, XML, SQL, Linux , Solaris, Windows, JavaScript, Jython, and DB2,TeraData,infomix,Oracle.

Confidential

WebSphere Administrator

Responsibilities:

• Installed Web Sphere 5.0 Base on AIX and Solaris platform.
• Installed WebSphere Application Server 6.0 ND and created dmgr, Application server profiles.
• Installed and configured the IBM HTTP Server 2.0.42.x and 2.0.47.x and SunONE web server.
• Migrated to WAS 5.0 Base on AIX/Windows platforms to WAS 6.0 ND.
• Worked closely with developers to define and configure Application Servers, Virtual Hosts, Web Applications, Web resources, Servlets, JDBC drivers and Servlet Engines.
• Separated Web Server and Application Server for better performance and security.
• Wrote scripts for accessing remote Admin Servers, cleaning up logs during back-ups.
• Facilitated Work Load Management by creating Clones in WAS 4.0 and Clusters in WAS 5.0/5.1/6.0.
• Handled deployment of Java Servlets, Session Beans and Entity Beans for modules to the respective application server instances.
• Setup messaging using the integrated JMS Server.
• Installed EARs, WARs and configured application specific JVM settings, Web container parameters using the Admin Console and WSCP scripts. Used wsadmin scripts to invoke Jacl and Jython scripts in WAS 5.0.
• Used WSINSTANCE to create multiple WebSphere instances from the command line.
• Enabled security for the Admin Console and the application components.
• Occasionally used Resource Analyzer to monitor WebSphere Applications and tuned the environment accordingly like changing the JVM Heap, Connection Pool sizes.
• Used the Tivoli Performance Viewer with WebSphere 5.0.
• Used command line tools wsadmin, WSCP and XMLConfig occasionally as an alternative to Admin Console.
• Created the user lists and groups in LDAP Servers and mapped them to the enterprise applications running on the Application Servers.
• Troubleshoot Admin Server start-up issues, Java code defects after deployment, like classpath issues.
• Supported applications 24X7 on-call on a rotational basis.
• Performed routine management of WebSphere environment like monitoring Disk Space and CPU Utilization.

Environment: IBM WebSphere Application Server 5.0/5.1, IBM HTTP Server 2.0.42.x and 2.0.47.x, IBM WebSphere MQ 5.3 CSD 08, IBM DB2,Aix, Solaris SunOS 5.8,Sun ONE Directory Server 5.1, Sun ONE web server 6.0.