SUMMARY

• 9 years of IT industry experience in WebSphere MiddlewareAdministratoron AIX, Linux and Windows. Also having solid j2ee experience.
• IBM Professional Certified on WebSphere Application Server Network Deployment V8.0, Core Administration & SCJP 5.0 (Sun Certified Java Programmer).
• Details experience on Installing, configuring and troubleshooting of IBM WebSphere Application Server 8.0/7.0/6.x/5.x, Web Servers (IHS 6.0/6.1, Apache 2.0) on Linux, AIX, and Windows platforms.
• Strong experience in Administration and Maintenance of WAS ND clusters (vertical, horizontal) and deployment of applications in highly availability, load balanced production environments
• Experienced in applying patches (fix packs/refresh packs) for WAS, IHS and Plug - ins.
• Well knowledge in implementing Webserver environment and configuring secure sockets layer (SSL) on IBM HTTP Server and Apache Server.
• Expert in performance tuning, monitoring and trouble-shooting Application Servers and web servers.
• Good knowledge of Application Server security architecture, LDAP based/Custom user registries, different authentication and authorization mechanisms and SSO, and Application Server keystore and certificate management.
• Extensive knowledge of WebSphere PMI and Performance Monitoring using Wily Introscope.
• Delivered and managed various development, testing/QA and production environments for existing systems and new projects.
• Extensive experience supporting the system operations of large scale applications running on a hybrid platforms
• Monitor and tune platforms to ensure expected availability and performance levels are achieved.
• Experience in providing 24x7 datacenter support and involved in periodic on call rotations.
• Experience working with vendors to Research and Analyze new products and played a significant role in decision making regarding acquisition of new software.
• Experience working with multiple vendors and coordinating tasks to successfully implement and deliver multi million dollars, multi phase project
• Experience in deploying the .JAR, .WAR and .EAR applications in clustered environment and maintaining, troubleshooting of applications in WebSphere environment.
• Good experience in configuring WebSphere Queue manager and integrating WebSphere MQ with WebSphere application servers and SIB.
• Creating the Problem Management Record (PMR) with the IBM, Updating fixing the unresolved bugs or issues.
• Performance monitoring and tuning using tools like Wily, log analyzer, thread analyzer and IBM Heap Analyzer.
• Having knowledge of REST Web services and ability to work independently with minimum supervision
• My j2ee experiences help me a lot in application root cause analysis.

TECHNICAL SKILLS

Application/Web Servers: IBM WebSphere Application Server(WAS) 8.0/7.0/6.x, IBM Http Server(HIS) 6.x/7.x/8.x, Apache Web Server2.0/2.2/2.4, IBM WebSphere MQ 5.3/6.0, WebSphere Portal 6.0.1

Operating Systems: LINUX (REDHAT 6, Suse, Ubuntu), IBM AIX, Windows NT/2000 server.

Java Technologies: Java 1.5, Struts 1.2, EJB 2.1, Spring 3, Hibernate 3, JSP, Servlet, JDBC, log4j, Rest WS.

Scripting Languages: Unix Shell script (Bourne, ksh, csh, bash), Jython, Ant, Maven, Perl, JavaScript, jQuery, JACL, Awk.

Development Tools: IBM RAD 6.0/7.0, Putty, Ssh Client, FileZilla, SVN, Jenkins, Hudson, CruiseControl

Markup Languages: HTML, XML/XSL and DHTML.

Databases & Tools: DB2, Oracle 11g, Sybase, SQL Server and MS Access, Excel, PostgreSql, QMF, Toad, PgAdmin, SQL, PL/SQL.

Protocols: TCP/IP, UDP, HTTP/HTTPS, RMI/IIOP, SSL, LDAP, ICMP, DNS, FTP, SFTP, SOAP, POP and HTTP.

PROFESSIONAL EXPERIENCE

Confidential, Marysville, OH

Lead WAS administrator

Responsibilities:

• Implement fix pack in existing production, QA and Development env in WebSphere 7.0 to 7.0.0.29 to resolve JDBC connection issue.
• Install and configure new IBM WebSpgere 8.0 ND instance in AIX box for the migration process.
• Configure new plant env for GPCS application in Confidential business production, QA and DEV env.
• Create new app servers and configure/ and tune them as per application requirements.
• Configure new horizontal Cluster for the new env setup under different nodes.
• Datasource (JNDI) configuration and JMS queue and queue factory creation for native MQ to support application requirements.
• Create new IBM Http server install plugin and Configuring SSL. Finally configure plguin-cfg.xml file with cluster with proper load balancer.
• Maintain Dmgr Cell security, also check & update SSL certificates for all running application in Production.
• Do regular basis profile and configuration backup for all profiles using Unix scripts and crontab.
• Production issue troubleshooting, using all related logs and Thread, core, heap dumps. Analyze them by IBM jca457.jar (Thread Dump Analyzer) and ha456.jar(heap dump analyzer).
• Configure build tool Jenkins and using this tool, do application build and promote for DEV, QA and PROD.
• Installed EARs, WARs and configured application specific JVM settings, Web container parameters using the Admin Console and wsadmin scripts.
• Weekly basis application deployment & crontab support to change management team in application maintenance time window.
• WSAdmin script change/support for application deployment process.
• Day to day issue/support of application health and dev/support team, also documentation all prod issues.
• I was part of the migration process of WebSphere 6.0 to Websphere 7.0/8.0 for this inhouse ERP application.
• Confidential GPCS having 72 instance, which supporting every day.
• Support development env for day to day development in application.
• UAT support in QA env (build, deploy and maintain application)

Environment: IBM WebSphere Application Server ND v7.x/8.0, MQ 5.3/6.0, IBM HTTP Server, AIX 5.3, LDAP, DB2, Jenkins, Hudson, CruiseControl Change Management Tool, JDK1.6/1.7, Ant, Jython, IBM RAD 6.0/7.0, Putty, Ssh Client, FileZilla, SVN, UNIX Shell scripting.

Confidential, Dublin, OH

WAS administrator

Responsibilities:

• Responsible for configuring, Maintaining and troubleshooting the Websphere Application Server 7.0 environment and IBM HTTP server, Apache Tomcat 6.0 on AIX and Linux platforms.
• Set-up new QA and PROD environments by creating and managing the Nodes, Application Servers, and horizontal Clustering for Load Balancing and Fail Over.
• Worked as a WebSphere Administrator and implementing solutions for Customer Satisfaction and Monitor applications.
• Build, deploy, and administer applications in WAS and Webserver environments.
• Installed and Configured IBM Websphere Application Server, JDBC Drivers and Servlet Engines along with troubleshooting and recovery on AIX and Windows.
• Set-up security permissions in Websphere environments to authenticate against LDAP servers to access Websphere consoles and secure it using SSL.
• Configured database resources like JDBC Providers, Data sources, and security resources like JAAS authentication (J2C) aliases in order to provide connectivity to Oracle, DB2.
• Used Tivoli Performance Viewer (TPV) and HP Diagnostics to identify performance bottlenecks including application memory leaks, server process degradation, database connections, http threads, etc.
• Tune databases resource configurations including connection pooling, timeouts, etc.
• Troubleshoot problems with Websphere websites in all environments including Production using knowledge of the end-to-end architecture, log files (IHS plug-in and Websphere log files).
• Responsible for research and implementation of latest software and fix packs for Websphere Application Servers and some development tools.
• Worked with Load testing team, sysadmin team to identify performance bottlenecks using LoadRunner, HP Diagnostics, and Tivoli Performance Viewer.
• Troubleshooting Admin Server start-up issues, Java code defects after deployment, and classpath issues by checking the JVM logs, plug-in logs and the web server logs.
• Working on high priority, critical tickets in pre-production environments to determine investigate diagnose and find out the root cause of the issues.
• Generated & Propagated plugin-cfg for web servers and troubleshooted plug-in regeneration problems.
• Performed routine management of WebSphere Environment like monitoring Disk Space, CPU Utilization and resolved dynamic cache problems.
• Strictly followed the change control procedures for production environment changes.
• Worked with different teams (Application, Database, Networking, UNIX teams) in investigating the root cause of the issues and finding out the permanent fix to the issues.
• Used SharePoint document libraries and lists for document management and for intranet activities.
• Responsible for identify source and severity of problems include debugging and diagnosing issues and directing them to the proper client support team and transfer resolution knowledge to other technicians who are having assigned ticket.
• Created IBM PMRs and worked closely with IBM for resolving multiple issues.
• On-call support (24x7), Monitoring and maintaining multiple Applications running on IBM WebSphere Application.

Environment: IBM WebSphere Application Server ND v7.x, IBM HTTP Server, AIX 5.3, Redhat Linux 6.0, LDAP, ORACLE 8i/9i/10g, DB2 V7.1/8.1, Hudson, CruiseControl Change Management Tool, JDK1.6, Ant, Jython, IBM RAD 6.0/7.0, Putty, Ssh Client, FileZilla, UNIX Shell scripting.

Confidential, Chicago, IL

IBM WebSphere Administrator

Responsibilities:

• Worked as WebSphere Application Server administrator (WAS-Admin) involved in server configuration and making configuration changes in the environment and Support
• Involved in troubleshooting and resolving problems encountered in the application and during run time of WAS environment. Provided 24X7 Supports for Environment.
• Coordinating with different teams, in the part of live issues and troubleshooting (with Network, Application and Portal Developers, MQ and so )
• Installed and Configured WebSphere Application Server V6.X, V7 and HTTP WebServer for development and production environments. Experienced in installing and upgrading Fix packs and migrating to latest versions.
• Installation, Configuring, and troubleshooting the IBM WebSphere Portal Server and Installation of fix packs/cumulative fix packs and Refresh packs.
• Installed EARs, WARs and configured application specific JVM settings, Web container parameters using the Admin Console and wsadmin scripts.
• Applying immediate fixes after troubleshooting live issue. Experience in installing of fix packs/cumulative fix packs and Refresh packs.
• Monitoring application servers and Applications by using Wily to track their performance under Problem recode and apply fixes.
• Diagnosed application server problems using heap/java dumps and JVM log. Used ISA Tool (IBM Support Assistances) as part of investigation. Then on interact with IBM Support to solve Problems (under PMR) if need.
• Change implementation for new box’s or Configuration changes in Exiting Production/Live servers. Participated in new Production Environment discussion, documentation and build activities.
• Installing of New/Existing SSL certificates on Web Servers in production Environment using GskCmd/IKEYMAN utility.
• Worked on Horizontal/Vertical Clustering, Performance tuning and troubleshooting of IBM WebSphere Application Server V6.x, V7, and V8.
• Working on different application domains and having sound knowledge in the application flow. Well known with scripting languages for WSADMIN like Jython and SHELL scripts.
• Done research and track reoccurring environmental issues. Investigate root cause of issues and implement long term solutions. Make the documentation of all procedures and any other important issue

Environment: IBM WebSphere Application Server V6.x, V7, IBM HTTP Server, Linux, Windows 2003 Server, Ant, Jython, IBM RAD 6.0/7.0, Putty, Ssh Client, FileZilla, UNIX Shell scripting.

Confidential

Java Developer

Responsibilities:

• Analysis of user requirements, gathering of requirements from onsite coordinator
• Coding of use cases
• Code Review and quality control to ensure high quality of work product
• Unit Testing
• Responsible for overseeing the Quality procedures related to the project, Status reporting and Issue management.

Environment: Java, J2EE, JSP, SQL, PLSQL, Eclipse, Oracle