Summary:

• Over 8 years of IT industry experience in Systems Administration, IBM WebSphere 5.x/6.x/7.x/8.x Administration, IBM WebSphere MQSeries, JBOSS 4.x/5.x/6.x EAP, integrating with all the J2EE components.Technical abilities include installations, configurations, security, migrations, and technical support for large enterprise applications.
• Expertise in setting up Database and MQ configurations in JBoss.
• Experience in installing mod jk plugin for JBoss and Implementing clusters in JBOSS for load balancing and failover.
• Automated Deployments JBoss Application Servers.
• Hands on in Installing and monitoring performance parameters through JON 2.4/3.0/3.1 and jconsolefor JBOSS EAP.
• Proficient in Architecture, Installation, Setup and Configuration of IBM WebSphere Application Server 8.x/7.x/6.x5.x and IBM Http Server 1.3/2.x/6.x/7.0. Involved in configuring J2EE Enterprise Applications on heterogeneous platforms under multi-cell and multi-node environments.
• Experience of system administration on Sun-Solaris 10/9/8/7/2.x, Linux Redhat, Suse , AIX3.x/4.x/5.x, Windows NT/2000.
• Involved and Implemented various Application architecture designs,WebServer and WebSphereApplication Server load balancing techniques Horizontal and Vertical Clustering , WebSphere Global Security LTPA mechanism , SSL Mutual Authentication , Single Sign-on using Oblix and SiteMinder, Websphere MQ.
• 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.
• 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.
• 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.
• 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, jythonscritps to automate most of the WebSphere administrative tasks via the wsadminutil, CRON jobs and deploy on LPARS.
• 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 on IBM WebSphere J2EE application servers.

Technical Skills:

PROFESSIONAL EXPERIENCE:

Confidential

WebSphere JBoss Administrator

Responsibilities:

• Installed, configured and administered IBM HTTP Server,Windows IIS Server , Apache HTTP Server and SUN One Web server.
• Installed and Configured JBOSS EAP Version 6 Application Server, Implemented clusters in JBOSS for load balancing and failover, configured Multiple JBOSS instances on single server.
• Strong experience in administering and configuring the monitoring tool like Jboss operations network, Jconsole, GCviewer.
• Performed Installation of JBOSS JON 2.4/3.0/3.1, monitoring server which will monitor the JBOSS instances, Operating system parameters running on different Operating systems.
• Created groups, users, roles and configured alerts in JON 2.4/3.1/3.1 JBOSS Operations Network monitoring server.
• Optimized performance by SLIMMING JBOSS instances to deliver business specifics in intranet and Internet applications.
• Responsible for Configured Twiddle Command line utility for Jboss application server to get the JMXmbean status. Good experience with Jmeter testing. Worked with JMX-console to monitor the Jboss parameter values like memory usage or JCA connection Details.
• Installed Configured LDAP server with Apache Jboss Application server.
• Installed, configured and administered IBM WebSphere Application Server 7.x/8.x on AIX, and Red hat Linux Environment.
• Worked in different environments like Development and Pre-production.
• Configured clustered environment in Web Sphere Application Server V 8.X and deployed applications on Windows, Linux and Solaris environment.
• Deployed EAR applications in clustered WebSphere Application Server for Dev and Pre - Production environments.
• Setup profiling tools for J2EE Application's and worked with Application Groups in improving performance of application and possible memory leaks in application before deploying.
• Upgraded Applications with various patch files EJB classes,JSP's, Class files, changing various properties and property files
• Created Digital Certificates and configured SSL for WebSphere, Http Server, iplanetand IIS.
• Configured and Enabled the Global Security for WAS Administration Console users and Console Groups using Active Directory Server as a LDAP User Registry.
• 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.
• Hands-on experience in setting upNodes, Data Sources, Virtual Hosts, configuring Servlet Engines andSession Managers and managing Websphere Environmental variables for Data Sources and JDBC Driver paths.
• Involved in configuring SSL https for webservers, creating Key databases, personal certificates for test environments, generating and installing Third party certificates. Involved in securing the J2EE applications by implementing Single Sign On by using LTPA and Integrity Site Minder.
• Configured GC parameters, monitoring the heap sizes by setting verbose GC, fine tuning and fixing memory issues.
• Worked on Problem tickets PMR's with IBM to find effective solutions to various problems and performance issues.
• Worked closely with developers in deploying ears and wars, configuring necessary database resources JDBC Providers, data sources , MQ resources Queue Managers, Queue destinations, Queue Connection Factories qcf's , Message driven bean listener ports .
• Applied the maintenance fix pack and fixes to JBOSS and HTTP servers.
• Involved in Creating Shell Scripts like Automation of Startup and Shutdown Processes and Automated the WAS environment with Jacland Jython Scripts.
• Performance tuned the WebSphere Environment by configuring caching, queuing, pooling, JVM parameters and Problem determination using Tivoli performance viewer TPV .
• Involved in Troubleshooting Admin Serverstart-up issues, Java code defects after deployment, like class path issues and application properties file errors by checking JVM logs and Plugin-logs.
• Involved in Trouble shooting and Performance tuning using Resource analyzerandLog analyzer.
• Provided 24X7 supports to the clients in production support environment.

Environment: IBM WebSphere Application Server, JBOSS, 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

WebSphere JBoss Administrator

Responsibilities:

• Installed and configured WebSphere Network Deployment Manager 6.x/7.x, used Update Installer to update with fixpacks. Automated the tasks with shell scripts using silent response files.
• Involved in migrating of WebSphere v6.x to 7.x and WebSphere to JBOSS v6.x.
• Responsible for setup, Installation and Administration of JBOSS Application server.
• Experienced in Installing and Configuration of JBOSS Application Server.
• 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.
• Automated configuration, troubleshooting, deployments using JACL and Jython scripts used AdminConfig, AdminApp, AdminControl and AdminTask.
• Automated Deployments into JBoss Application Servers.
• Expertise in setting up Database and MQ configurations in Tomcat and JBoss.
• Involved in trouble shooting and pro viding technical assistance for Web Hosting team on various Application and Web Servers including IBM HTTP Server, Apache Web Server, JBOSS and Netscape Enterprise Server.
• Applied Fix Packs for WebSphere Application Server 6.x/7.x 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
• Developed WSadmin scripts using Jacl,Jythonto 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 IBMDirectory 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.
• 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:JBoss v6.x, JON2.4, IBM WebSphere AppServer 6.x/7.x, IBM WebSphere MQSeries, IBM Http Server, Apache, AIX, WSAD, RAD7, LDAP, Heap analyzer, Windows 2000, LDAP,EJB, JDK, J2EE, JNDI.

Confidential

WebSphere Administrator

Responsibilities:

• Involved in providing support to wide variety of applications in a diverse setup which includes WebSphere Application Server ND/XD v6.1/7.0on AIX 5L 5.3 and Red Hat Enterprise Linux 4.
• Deployed Applications WAR, JAR, and EAR in Domain and Clustered environment.
• Involved in monitoring the JVM performance by Web Sphere Heap Size, garbage collection and JDBC Pools.
• Troubleshooting Application JVM errors and configured tuned JVM for optimum performance.
• Intensively involved in IBM WebSphere Application Server troubleshooting scenarios like Out of memory, fusing IBM tools like Heap Analyzer, Thread Analyzer.
• Involved in setting up JVM tuning parameters after extensive R D on trial hit basis specifically parameters to enable inter core-group communication for affective WLM such as garbage collection.
• Installed Fixpacks, eFixes, and cumulative fixes to the existing infrastructure and new environment.
• Implemented horizontal, vertical multiple clustering of application servers for achieving work load management WLM , HA Manager, Scalability and avoiding single point failure.
• Involved in writing UNIX Shell scripts, JACL and Jython to automate the maintenance process of the WebSphere and recovered the backed up Web Sphere configuration using wsadmin, backupConfig and restoreConfig.
• Migrating applications from WebSphere Application v6.1 ND to WebSphere Application Server v7.0 ND.
• Enabled Security features using LDAP user registry for authentication and authorization privileges for Admin console.
• Provided NetegritySiteminder and Identity Minder Identity Management solutions for the client Option.
• Configured WebSphere resources including JDBC providers, JDBC data sources and Connection Pools.
• Configured Session Persistence using different RDBMS Databases.
• Installing IBM HTTP Servers and integrated with WAS for load-balancing and fail-over using generated plug-in.
• Analyzed the problems using IBM Support Assistant and/or interact with IBM support to solve the problems by sending IBM Problem Management Records PMR .
• Monitored Log analyzer, Product logs, Installation logs, Administer server logs and Application server logs during troubleshooting for reported errors.
• Analyzing the scalability of the applications with the help of tools like IBM Tivoli Site Analyzer, Tivoli performance viewer.
• 24/7 on call production support and troubleshooting problems related to WebSphere Application Server.

Environment: IBM WebSphere Application Server ND 6.1/7.0, WebSphere Portal 6.0/6.1, WCM 6.x., Solaris 8/9, AIX 5.3, Red hat Enterprise Linux 4, Site minder, WCM, Apache WebServer v2.0, IBM HTTP SERVER v6.1, Wily Introscope, Oracle 9i/10g, DB2, Java/J2SE 1.4, J2EE 1.3, IBM Directory Server.

Confidential

WebSphere Administrator

Responsibilities:

• Responsible for installation, configuration, administration, support, and performance tuning of the application server platform with WASND v6.0/6.1 running under AIX 5.x, Solaris and Linux environments.
• Installed and configured multiple Web Servers using IBM HTTP Server v6.1 andintegrating Webservers, application server using plug-in file.
• Configured and monitored WebSphere Application Server in clustered and non-clustered environment.
• Created and federated profiles to the Deployment Manager using both Profile Management tool and also automated the process using manage profiles andaddNode command.
• Recommended and used hybrid clustering horizontal and vertical to make use of efficient resources on a single system and to provide for hardware failover and load-balancing.
• Configured WebSphere resources such as JDBC Providers, Data Sources and Connection Pooling and administered performance tuning and monitoring it using Tivoli Performance Viewer by enabling PMI.
• Configured Clustering EJBobjects, JDBC connections and JMS connection factories.
• Experience in migration of WebSphere Portal Server from 5.1 to 6.0
• Involved in trouble shooting and performance tuning using Resource Analyzer and Log Analyzer.
• Configured Single Signon SSO for authentication and authorization.
• Worked with WebSphere Extended Deployment WAS /XD and implemented the Virtualization capabilities that can dynamically match available resources to changing workload demands.
• Troubleshooting issues on the various environments involving in integrations of WebSphere Application Server, IBM HTTP Server.
• Configured global security on WebSphere Application server using IBM Directory Server.
• Installed SSL certificates on the Web Servers, and WebSphere application server using ikeyman tool.
• Configured Relational Databases such as Oracle, DB2 and SQL Server with Application Server.
• Extensive experience in working at 24x7 Support.

Environment: WebSphere Application Server Network Deployment 6.0.2.17/6.1, WebSphere Application Server Community Edition 2.0, JBOSS 4.2.3, Apache Web Server v2.0, IHS Web Server v6.1, DB2, Oracle 9i, LDAP Sun One directory server v5.x , HP-UX, AIX 5.x.

Confidential

WebSphere Administrator

Responsibilities:

• Administered, configured, tuned, and troubleshooting WebSphere in a clustered environment on LINUX.
• Installed WebSphere Application Server V6.0, V6.1 and configured it on AIX 5.1 and Red Hat Linux 3.x platforms.
• Configured the Work Load Management in the Network Deployment environment to distribute the load evenly across all the nodes.
• Responsible for deploying enterprise applications from Admin console and enabling security using LTPA and LDAP for admin console and application components on LINUX.
• Installed IBM HTTP server 6.0 and configured SSL certificates for all secure sites using ikeyman tool.
• Configured the web-server interfaces plug-in file , session management, virtual hosts, Data sources, HTTP transports for Application Server Instances and Applications.
• Implemented a Migration from WebSphere Application Serve Base to Network Deployment as well as a 5.0 to 5.1 upgrade.
• Providing Mentoring and Guidance to team members on WebSphere XD and Other new releases.
• Written 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.
• Used WebSphere Admin Console and wsadmin/JACL/perl scripting to install enterprise EAR, WAR files or for hot deployment.
• Applied fix packs and cumulative fix packs on top of the installed versions of the WebSphere Application Server 6.0 and 6.1 .
• Troubleshooting Application JVM errors and configured tuned JVM for optimum performance.
• Used garbage collection to evaluate application performance health and detected the presence of memory leaks.
• Used Tivoli Performance Viewer to monitor performance data like application resources enterprise beans, Servlets, JSP's and WAS runtime resource JVM heap size, jvm thread pools, and database connection pools .
• Provided 24x7 on-calls Production Support on rotation basis.

Environment: IBM WebSphere Application Server 5.1.x/ 6.x, WebSphere portal Server 5.1, IBM WebSphere MQ 5.3, IBM DB2,Oracle 9.i, LINUX, AIX,Sun ONE Directory Server 5.1, Tivoli, Sun ONE web server 6.1, Netegrity Site minder Policy Server 6.0 .

Confidential

WebSphere Administrator

Responsibilities:

• Installed, configured and administration of WebSphere Application Server 5.1 Network Deployment on Windows and Sun Solaris Servers.
• Installed, configured and administration of IBM HTTP Server.
• Configured JDBC Providers, Data Source, Virtual Hosting, Global Security and SSL.
• ConfiguredWebSphere Application Server resources like JDBC Providers, JDBC Data Sources and Connection Pooling to connect to Oracle.
• Configuring WebSphere Application Server on multiple platforms for both horizontal and vertical scaling for Work Load Management.
• Collection of JVM statistics, garbage collection data for monitoring the heap and physical memory.
• Deployed EJB components that are run in IBM WebSphere 5.1 Application Server in UNIX on SUN Solaris environment.
• Recommended and used hybrid clustering horizontal and vertical to make use of efficient resources on a single system and to provide for hardware failover and load-balancing.
• Configured Session Persistence using Oracle Database.
• Analyzing Activity log files and diagnosing Application Server problems.
• Involved in backup and recovery of WebSphere configuration using backupConfig and restoreConfigtools.
• Installed fix packs to overcome Application server problems.
• Involved in managing releases of products from development to QA to Pre-Production and Production.
• Deployed J2EE Application in WebSphere managed servers.
• Assembled and Deployed the application in staging and in productions following change management practices and 24/7 support, worked in shifts.

Environment: IBM WebSphere Application Server 5.1, IBM HTTP Server, AIX 4.3.3, Solaris 7, Oracle 7.3, Windows 2003.

Confidential

WebSphere Administrator

Responsibilities:

• Installed and Configured WebSphere Application Server and IBM HTTP server on AIX, Linux and Sun Solaris.
• Supported LoadBalancing and WebSphere Application Server clustering for failover.
• Used WebSphere Control Program WSCP to define, configure and manage database objects.
• Configured virtual host for development and test environments.
• Defined WebSphereMQ queue managers, channels and queues.
• Packaged and deployed applications using WebSphere Application Assembly Tool AAT .
• Created user roles and groups for securing the resources using local operating system authentication.
• Configured iPlanet web server to work with WebSphere.
• Developed WebSphere ControlProgram WSCP scripts and Shell scripts to automate the maintenance process of the WebSphere and recovered the backed up WebSphere configuration using XMLConfigtool.
• Installed and configured IBM Edge Server and Network Dispatchers for load balancing.
• Developed WebSphere backup scripts using WSCP and TCL.
• Implemented security using IBM Tivoli Directory Server.
• Installing, configuring, administering and troubleshooting JBoss Application Server V2.
• Configured Work Load Management WLM using horizontal and vertical cloning.
• Deployed Session and Entity EJBs in WebSphere.

Environment: WebSphere Application Server, IBM HTTP Server, Apache Web Server, UNIX Solaris, AIX, Linux , Shell Scripts, Java, JSP, Servlets, EJB, XML, JDOM, JDBC, JavaScript, DB2, HTML.