SUMMARY

• Having more than 10 years of experience in various Information Technology areas, and more than 9 years of experience in design, building, installation, configuration, deployment, troubleshooting, monitoring, automating scripting, application performance tuning for IBM WebSphere Application Server (versions: 3.x/4.x/5.x/6.x/7.x/8.x); WebLogic application servers (versions: 8.x/9.x/10.3.X), Oracle Fusion Middleware, Oracle SOA Suite, Oracle OSB, Oracle OEM; JBOSS, TCServer, Tomcat; J2EE applications and infrastructure for large - Scale systems; IBM WebSphere Process Server, BPM, Websphere Portal, IBM DataPower, SOA, XML Web Services; SAS Intelligence systems, TIBCO and WebMethod; Apache, iPlanet, SunOne web servers, IBM HTTP Web Server (IHS), IIS web servers; IBM Websphere MQ server; Monitoring tools like Wily Introscope, Optier, Tealeaf, ITCAM on various platforms: AIX, Linux, Sun Solaris, zOS and Windows2000/2003.
• As a senior WebSphere and Weblogic Middleware Engineer and Admin, assess new middleware technologies and do capacity planning to meet growing business demands for IBM clients and big financial companies such as Wells Fargo Bank, Freddie Mac; coordinate with multiple teams, vendors to formulate complex middleware and web technical solutions for mission critical applications.
• Strong skills in implementing and troubleshooting IBM Websphere (Horizontal/Vertical Clustering) and WebLogic, JBOSS and Tomcat Middleware systems, J2EE applications and web infrastructure. Participating in all phases of project support including Project Management, Design, Installation, Configuration, Maintenance, Production support, and middleware/web software upgrade and patch update.
• Strong experience in installation, configuration, deployment, monitoring, troubleshooting and performance tuning for IBM WebSphere Application Server ND (versions: 3.x/4.x/5.x/6.x/7.x/8.x.); WebLogic application servers (versions: 8.x/9.x/10.3.X), Oracle Fusion Middleware, Oracle SOA Suite, IBM WebSphere Process Server; Tomcat, TCServer, Jboss servers and SAS and WebFOCUS Business Intelligence systems, and WebMethod, TIBCO, IBM BPM in large cluster environments.
• Strong experience in installation, configuration, monitoring, troubleshooting and tuning for IBM HTTP Web server (IHS), Apache web server, SunOne6.x/7.0 web server and IIS 6.0 web servers.
• Strong experience in SSL digital Certificates managements for Sunone, Apache and IHS web servers, and IBM Webpshere, Weblogic and Tomcat application servers.
• Strong experience in installation, configuration, troubleshooting, monitoring and tuning Wily Introscope 6.X/7.X/8.X, Introscope EM server, MOM, agent; and monitoring, troubleshooting and tuning IBM Websphere, Tomcat applications using Wily Introscope. Using Wily Introscope tools to do Java application performance monitoring and analysis like: Java heap analysis, Memory leak analysis, Lock analysis, CPU usage analysis, Server activity analysis, and designing Wily Introscope Dashboards.
• Strong experience in integration Websphere and Weblogic with Relational database such as DB2, Oracle, and SQL Server using JDBC data sources. and tuning and troubleshooting JDBC connection pool, JDBC leak, database deadlock and database blocking session issues.
• Strong ability to analyze, troubleshoot, find the true RCA and recommend permanent solutions for IBM Websphere application server, Weblogic, Tomcat, Jboss, Sunone, Apache and IHS web server related performance issues and coordinate with application teams, Database team, Unix teams, networking teams and vendors to resolve complex issues and tune middleware applications.
• Strong experience in installation and configure CA Siteminder agents and Webgate for Sunone, Apache and IBM HTTP web servers.
• Strong experience in writing Unix Ksh shell scripts, wsadmin scripting, Jython, JACL scripting and Perl to automate Websphere, weblogic application servesr and systems' administration and monitoring tasks.

PROFESSIONAL EXPERIENCE

Senior Websphere and Weblogic Middleware Engineer and Administrator

Confidential, Arlington, VA

Responsibilities:

• As a senior WebSphere and Weblogic Middleware Engineer and Administrator, assess, design, install, build and configure new IBM Websphere and Weblogic application server, JBoss and Tomcat middleware systems and do capacity planning to meet growing business demands, coordinate with multiple other teams, vendors to formulate complex IBM websphere middleware and web technical solutions for mission critical applications; focus on Websphere, weblogic, Jboss Middleware system architecture design and implementation, system performance management, troubleshooting, tuning and monitoring.
• Analyze, troubleshoot, determine the true Websphere, Weblogic, JBoss and Tomcat application servers' performance Root Cause and recommend permanent solutions for IBM Websphere and Weblogic application server, Jboss, Sunone, Apache and IHS web server related performance issues and coordinate with application teams, database team, Unix teams, networking teams and vendors to resolve complex issues and tune middleware applications.
• Install, configure, deploy, monitor, troubleshoot and tune IBM WebSphere Application Server ND 6.x/7/x/8.x, WebLogic10.3.X, Sunone, Apache Web server, IBM HTTP web server (IHS) in very large Scale cluster environments on various platforms: Linux, Sun Solaris, AIX and Windows.
• Build, Install, configure, deploy, monitor, troubleshoot IBM BPM WebSphere Lombardi Process Server (WebSphere Lombardi Edition Version 7.2.0), Tomcat, TCServer and Websphere Process Server; and TIBCO, WebMethod, SOA integration systems.
• Write Unix Ksh shell scripts, wsadmin scripting, Jython, JACL scripting and Java to automate Websphere, Weblogic application servers and systems' administration, also monitoring systems by using Cron scripting.
• Analyze Java heap and thread dumps to find the root cause and resolve the issues in a timely manner. Work with IBM PMR’s for Websphere and Oracle Weblogic related issues and Troubleshoot severity 1 PMR related to production problems with IBM and Oracle.
• Work with Networking and load balancer team to manage and support DMZ, Big IP F5 load balancer, XML gateway and IBM Datapower.
• Work on SSL digital Certificates managements for Sunone, Apache and IHS web servers, and IBM Webpshere, Weblogic and Tomcat application servers like request, renew, import SSL certificates.
• Install, configure Wily Introscope EM and MOM server; and install and configure agent for Webpshere, Weblogic, Tomcat; Monitor, tune Java/J2EE applications using Wily Introscope.
• Create Monitoring Introscope Dashboards that can be used by App team and Operation team to quickly identify potential issues. And write custom PBD per the client requirements.
• Use Introscope and ITCAM monitoring tools to do Websphere, Weblogic and Tomcat application servers performance analysis like: Java heap analysis, Memory leak analysis, Lock analysis, CPU usage analysis, Server activity analysis, Method profiling, analyze Introscope performance reports to improve application performance. Integrate Introscope with Tivoli Netcool to send alerts.
• Integrate Websphere and Weblogic with Relational database such as DB2, Oracle, and SQL Server using JDBC data sources. and tune and troubleshoot JDBC connection pool, JDBC leak, database deadlock and database blocking session issues.
• Implement and support Websphere and Weblogic Middleware and Web Server software. Participating in all phases of project support including Design, Installation and Configure, Maintenance, Troubleshooting, 24X7 Production support, and web software end-of-life upgrade.
• Install and configure WebSphere Application Server 7.0 and create Cells, Nodes, clusters, servers (for different environments like DEV/TEST/ACPT/PROD/BCP); analyze the inter-dependencies of the Enterprise Applications and the available hardware resources to come up with the best practice for Enterprise applications.
• Create and configure Resources such as JDBC data sources including IBM DB2, Oracle; JMS, MQ, LDAP, JCA, virtual hosts for Websphere Application Server.
• Configure multiple virtual hosts in the big Websphere cell to support multiple web server URLs in the shared environments.
• Configure Websphere global Security using LDAP (Lightweight Directory Access Protocol) integration.
• Design and implement logical and physical IBM WebSphere, weblogic and HTTP web server architecture, including WebSphere Cell, Nodes, Instances, clusters, load balancing and Plug-Ins, URLs and SSL certificates.
• Plan and implement the installation of Websphere fix packs, hot-packs, fixes and upgrades.
• Write technical documents, guidelines, system operational procedures and configuration documentation.
• Provide guidance, instructions and directions to junior engineers in the resolution of escalated issues and complex web application related problems.
• Install, configure and support Websphere MQ (WMQ), monitoring Queue Manager, Queues, Channels and Listeners.
• Install, configure and troubleshoot Tivoli ITCAM for WebSphere managing server, Data collectors, Tivoli Enterprise Portal, Tivoli Enterprise Monitoring Agent.

Senior Websphere and Weblogic Middleware Engineer

Confidential

Responsibilities:

• As a senior WebSphere and Weblogic and Middleware Admin, Evaluated new middleware technologies and do capacity planning to meet growing business demands, Coordinate with multiple teams and vendors to formulate complex web technical solutions. Doing advanced troubleshooting for application server performance issues, determining the true RCA and recommending permanent solutions.
• Installed, configured, deployed, monitored, troubleshoot and tuned IBM WebSphere Application Server ND, 3.x/4.x/5.x/6.x/7.0, Tomcat, Weblogic and Jboss; Sunone, Apache Web server, IBM HTTP web server (IHS) and IIS 6.0 in very large cluster environments on various platforms: AIX, Linux, Sun Solaris and Windows.
• Installed, configured and supported Weblogic application server 7.x/8.x/10.x, Oracle SOA, Oracle OSB; create Domains, configure JDBC, JMS; also configure WebLogic Web Server plugin on Apache and Sunone web servers to route request to Weblogic servers based on context root.
• Implemented and supported Middleware and Web Server software. Participating in all phases of project support including Design, Installation and Configure, Maintenance, Troubleshooting, 24X7 Production support, and web software end-of-life upgrade.
• Installed and configured WebSphere Application Server 6.0/6.1/7.0 and create Cells, Nodes, clusters, servers (for different environments like DEV/SIT/UAT/PROD/BCP); analyze the inter-dependencies of the Enterprise Applications and the available hardware resources to come up with the best practice for Enterprise applications.
• Installed and configured SunOne6.x, IBM HTTP Web server and Apache web server and renew SSL Certificates for web servers and Java/J2EE Websphere application servers and Tedi app server.
• Worked with Networking and load balancer team to manage and support DMZ, Big IP F5 load balancer, IBM DataPower and XML gateway.
• Worked on SSL digital Certificates managements for Sunone, Apache and IHS web servers, and IBM Webpshere, Weblogic and Tomcat application servers like request, renew, import SSL certificates.
• Created and configured Resources such as JDBC data sources including IBM DB2, Oracle; JMS, MQ, LDAP, JCA, virtual hosts for Websphere Application Server; Configure Websphere Global security using LDAP also.
• Configured multiple virtual hosts in the big Websphere cell to support multiple web server URLs in the shared environments.
• Built, Installed, configured, deployed, monitored, troubleshoot IBM WebSphere Lombardi Process Server (WebSphere Lombardi Edition Version 7.2.0), IBM Business Process Management (BPM), Websphere Process Server, and TIBCO, WebMethod Integration systems.
• Automated Applications and Systems management tasks and code deployment using Unix shell scripting, wsadmin, Jython and JACL scripting. Also write Unix shell scripts and Perl scripts to automate applications/systems administration and monitoring tasks.
• Designed and implemented logical and physical IBM WebSphere and HTTP web server architecture, including WebSphere Cell, Nodes, Instances, clusters, load balancing and Plug-Ins, URLs and SSL certificates.
• Implemented and supported SAS and WebFOCUS Business Intelligence systems.
• Installed, configured and supported the Siteminder agents for Sunone, Apache and IBM IHS web servers.
• Planed and implement the installation of Websphere upgrade and patch updates like fix packs, hot-packs, fixes ; and Weblogic upgrade and patch update.
• Worked with IBM PMR’s for Websphere related issues and analyze Java heap and thread dumps and resolve issues in a timely manner. Troubleshoot severity 1 PMR related to production problems with IBM.
• Supported the development teams during Webpshere, Weblogic, Tomcat, web server Integration Testing, Functional and Quality testing, Load testing and provide inputs and suggestions, tune the Webpshere/Tomcat JVMs, connection pools, etc and enforce J2EE best practices during the whole process.
• Installed and configured a solution for large IBM DataPower, SOA based application called Mortgage shared Services application in a large Webpshere clustered environments.
• Troubleshoot Webpshere/Tomcat related problems and analyze performance statistics related to web architecture/applications in conjunction with app development team, DBA, networking team, and vendor.
• Worked with multiple teams like application team, DBA team, MQ team, OS team to ensure compliance with Application Integration team strategy, architecture, standards, Audit items, best practices, methodology.
• Installed, configured Websphere MQ (WMQ), monitoring Queue Manager, Queues, Channels and Listeners.
• Installed, configured Wily Introscope EM and MOM server; and install and configure agent for Webpshere, Tomcat; monitor, tune Java/J2EE applications using Wily Introscope. Create Monitoring Introscope Dashboards that can be used by App team and Operation team to quickly identify potential issues. And write custom PBD per the client requirements.
• Monitored and gathered existing applications and systems’ running time statistics data by using Introscope to assist in determining future hardware requirements and networking communication bandwidth need.
• Used Introscope and ITCAM monitoring tools to do Java application performance analysis like: Java heap analysis, Memory leak analysis, Lock analysis, CPU usage analysis, Server activity analysis, Method profiling, Portal performance reporting to improve application performance. Integrate Introscope with Tivoli Netcool to send alerts.
• Designed Wily Introscope Dashboard Solution that can be used to quickly identify potential issues for Java/J2EE applications such as memory leak, hung thread, performance bottle neck.
• Install, configure and troubleshoot Tivoli ITCAM for WebSphere managing server, Data collectors, Tivoli Enterprise Portal, Tivoli Enterprise Monitoring Agent.
• Got involved for managing and supporting DMZ, Big IP F5 load balancer, IBM Websphere middleware technology and infrastructure, lead the architectural guidelines and policies.
• Documented Websphere, Tomcat and web server’ general procedures/documents for administration and maintenance activities.
• 24x7 application/infrastructure support and handle On-Call.
• Used Remedy PAC2000 to manage trouble ticket and change request.
• Updated the patching for Websphere application server, Tomcat and SunOne, Apache web servers.
• Provided guidance, instructions and directions to junior engineers in the resolution of escalated issues and complex web application related problems; Mentor junior team members in day to day activity.
• Leaded critical and complex projects which are related to web and e-commerce based application design, installations, upgrades, deployments and performance tuning.
• Implemented Load balancing of web applications by configuring Websphere plug-in and Weblogic proxy plug-in.
• Created and used ssh public keys for Non-password required authentication among multiple UNIX servers.

Technologies used: WebSphere Application Server(4.X/5.X/6.X/7.0),Websphere Portal, IBM DataPower, Websphere Process Server, Weblogic, JBOSS, Tomcat, iPlanet4.1, Sunone6.X/7.X, Apache, IBM HTTP Server, IIS 6.0, Monitoring tools (Wily Introscope, Optier, Tealeaf); HP Opsware/HPSA, HP OVO, F5, Firewall, Unix Shell Scripting, Jacl and Jython, SSL Certificates, SAN, NAS, NDM, AIX Servers, Sun Unix, Linux, Java, J2EE, IBM MQ Series (MQ Series5.2/5.3, MQ Workflow3.2/3.4), WebMethod, TIBCO, PL/SQL, DB2, Oracle, SQL Server, Struts, JProbe, XML, ClearCase, Clearquest, PHP, SAS, Webfocus, Perl/CGI, Siteminder, LDAP, Remedy PAC2000, Tedi, Unison.

Middleware System Administrator

Confidential

Responsibilities:

• Installed, configured and administered WebSphere Application Server 3.X/4.X /5.X in clustered environments.
• Installed and configured Websphere JDBC drivers and created the data sources and configured the parameters of the connection pool, also configured JMS.
• Worked with security such as firewalls and also did SSL certificates’ request and renewal.
• Deployed enterprise applications from the admin console and defined virtual hosts and environment variables.
• Enabled Performance Monitoring Service (PMI) to monitor performance using Resource Analyzer and Tivoli Performance Viewer.
• Created clones on different nodes and configured in Server Groups (Horizontal scaling)
• Maintained WebSphere 4.0 Application server for web applications development and deploying JSP and EJB components on WAS 4.0
• Analyzed different log files to diagnose, isolate and troubleshoot issues in the environment.
• Used cron for job scheduling activities.
• Worked closely with IBM and the development team to troubleshoot issues.
• Provided 24/7 on call support for production related problems.
• Installed and configured iPlanet, Apache web servers.
• Installed and configured IBM Websphere plug-in and configured web Servers.
• Installed/configured Tomcat/Apache based Java application “On-Line Best Book Price Search Engine” for our client, which searches more than 60 online bookstores and find the best price for client.
• Installed, configured Apache and Tomcat based Java application.
• Identified Webpshere Java/J2EE applications’ Memory Leaks, JDBC Connection Pool Leaks, and Pending Threads and resolved those issues by working with application teams and IBM.