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Websphere / Jboss Administrator Resume

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New, YorK

SUMMARY:

  • More than 10+ years of experience in red hat jboss middleware installation and configuration such as jboss 5x, 6x, jboss web servers, jboss MQ, and Jboss BRMS AIX/Linux environments.
  • Worked on WebSphere Portal (6.0 to 8.0) since its introduction in the company.
  • Implemented clustering techniques including horizontal and vertical clustering for failover and backup/recovery processes for high availability and performance tuning.
  • Proficient experience in Migrating the existing configuration and applications from WebSphere 5.x/6.x/7.x/8.x on AIX 4.5/5.1/5.2, Red hat Linux 6.0/7, Windows 95/98/NT/2K/2003/2008 and UNIX SUN Solaris 8/9/10 operating system environments.
  • Good Understanding on the JVM, garbage collection, heap fragmentation and configured resources like JDBC providers, JDBC data sources, connection pooling, Virtual Hosts, Global Security, MQ Connection Factories and Queue Destinations for connecting applications on WebSphere to WebSphere MQ.
  • Performed Bug result Analysis, verified bugs, closed fixed bugs and reopened unfixed bugs.
  • Provided efficient 24x7 production support, best practice troubleshooting, monitoring, capacity planning, performance tuning, naming standards, security and maintenance.
  • Experience with installing, configuring and deploying applications in tomcat6.x, 7x.
  • Good knowledge on upgrading EJB and Java Versions.
  • Installed V5.1 Cumulative fix for WebSphere HTTP plug - in & V5.1.1, SDK 1.4.2 Cumulative fix
  • Well experienced in configuring Resources like JDBC Provider, Creating Virtual Hosts, Shared Libraries, JNDI Configurations, EJB References, Creating Environment Variables, and Configuring Session Management
  • Experience in problem tracing, log management, scripting to invocate problem-determination actions involving traces and thread dumps.
  • Good experience in working with Oracle 8.x/9.0/10g, IBM DB2, MS Sql Server, Sybase.
  • Deployment and Troubleshooting of JAR, WAR and EAR applications in clustered environment with WebLogic, WebSphere and JBoss.
  • Expertise in writing ANT, UNIX/LINUX scripts to build JAR, WAR and EAR files.
  • Experience with WebSphere scripting using wsadmin, JACL/Jython (recycle the application server, deploy customer applications, log rotation, monitor applications state, etc), LINUX/UNIX shell scripts for deployment automation, monitoring, startup and shutdown.
  • Experience with command line use on AIX, HP-UXand Linux servers.
  • Expert on Incident Management & Problem Management techniques
  • Well experienced in setting up Development, Testing, Staging and Production environments.
  • Efficiently configured and setup Secure Sockets Layers (SSL) for data encryption and client authentication.
  • Good experience in planning, installation and administration of WebSphere MQ and WebSphere Message Broker on various platforms like AIX, Red Hat Linux, HP-UX, Sun Solaris and Windows XP/NT/2000/2003
  • Expert in deploying J2EE applications on WAS 5.x/6.x/7.x/8.x versions using WAS admin console and wsadmin scripting tool.
  • Experience in creating, configuring and administrating profiles, nodes, node agents and node groups for WebSphere Application Server.
  • Experienced in WebSphere e-commerce Administrator on AIX, Solaris & Unix Platforms
  • Configuring WebSphere Application Server on multiple platforms for both horizontal and vertical scaling for workload Management through deployment manager for load balancing and fail over functions.
  • Configured and handled Tivoli Performance Viewer and Resource Analyzer for performance and Log Analyzer for troubleshooting
  • Expertise in Tuning of Application Servers byIBM Tivoli Performance viewer, Thread/Heap Analyzer, CAWily Introscope7.x/8.x/9.x by setting the dynamic cache size and setting the JVM heap size using collected Performance Monitoring Infrastructure (PMI) data.
  • Enabling global security for application servers and applications using Single Sign on (SSO) by LTPA mechanism on Secure Way LDAP User Registry.
  • Developed strong analytical problem solving, communication and presentation skills. A very good team player.

TECHNICAL SKILLS:

Middleware: WebSphere Portal Server 6.x/ 6.1.5/7.0/8.0, IBM WebSphere Application Server 4.0/5.0/5.1/6.0/6.1/7.0/8.5, JBoss 5.x/6.x, WebSphere MQ 6.0/7.0, WebSphere Message Broker 6.1/7.x, Site Minder 6.0/12.0 WebSphere Commerce server 6.x/7.x, Tomcat 6.x./7.x

Database: Oracle 8.x/9.0/10g, Sybase 11.x/12.x, MS SQL Server 7.0/2000, DB2++, MS Access, MySQL.

Hardware/ OS: UNIXSUN Solaris 8,9,10, IBM AIX4.5/5.1/5.2, LINUX (REDHAT V6.0, 7, Suse 10.x/11.x), Windows 95/98/NT/2K, 2003 and 2008.

Monitoring Tools/: CA Wily Introscope 7.x/8.x/9.x, IBM Tivoli Performance Testing Viewer, Site scope, HP BAC, VSM, Thread/Heap Analyzer.

Java/J2EE/Web: HTML, Java Script, DHTML, XML, CSS, Applets, AWT, JFC technologies (Swing), J2EE, JDBC, Servlets, JSP, Java Beans, RMI, EJB, JNDI, JMS, AJAX, Java Web Services using .

Network Protocols/: UNIX, Windows NT/2000, TCP/IP, HTTP/HTTPS, RMI, SOAP, SSL, Services SMTP, POP3, NFS, DNS, LAN/WAN Hardware, remote access (Meta Frame, Citrix)

Languages: C, JavaScript, SQL, Java, UNIX Shell Scripts, JACL, XMLAccess, Python, ANT, Python

PROFESSIONAL EXPERIENCE:

Confidential, New York

WebSphere / Jboss Administrator

Responsibilities:
  • Provided infrastructure solutions for J2EE applications around JBOSS EAP 5.1.1 /5.1.2 /6.1 /6.2 /6.3 servers, JBOSS EWS 1.0 /2.0 /2.1 servers, Tomcat 6/7 servers, Window/Solaris/Unix platforms.
  • Good Experience in using JBoss CLI scripting to perform Jboss administrative tasks.
  • Responsible for setting up the DEV, SIT, FQT, PVT, PROD environments which includes installing and configuring JBOSS/Tomcat, clusters, Data sources, start/stop scripts, log cleanup scripts and monitoring tools.
  • Installed and configured JBOSS EAP 5.1 /6.1 /6.2 /6.3 and JBOSS EWS 1.0 /2.0 /2.1 using load balancing modules such as mod cluster, mod jk & mod proxy on Linux Enterprise platform.
  • Deployed web application and Configuration files on JBoss application server daily basis and coordinate with development team for application verification and troubleshoot the issues if any.
  • Provided technical administration and support for web technology to Business unit IT groups during design, development, testing and implementation of business application.
  • Tuning and Monitoring the overall applications and system health with the statistics Average response time, Number of requests (transactions) and number of live http sessions, web server thread pools, the Web and Enterprise JavaBeans thread pools, database and connections pools, java virtual memory, CPU, I/O and System Paging.
  • Configured the application authentication security like Kerberos authentication in JBOSS EAP 5.1 and 6.1
  • Responsible for Documentation of operational environments support procedures, Configuration and management of Application clusters and Application load balancing and Application Server tuning and problem isolation.
  • Installed and Configured SSL certs in JBOSS EWS 2.0 and JBOSS EAP 6.1.
  • Installed, configured and administered IBM WebSphere Application Server 6.1/7.0/8.5 and IBM HTTP Server on RHEL 6.x/5.x, AIX 6.x/5.x, Solaris 10/9, and Windows Server 2008/2003.
  • Installed, configured and administered IBM WebSphere Application Server 10.x/11g/12c and Apache web servers on RHEL 6.x/5.x, and Windows Server 2008/2003.
  • Enforced logical security application architecture by integrating WebSphere Application Server,
  • WebSphere Portal Server, IBM Webserver, LDAP Directory Server, NetegritySiteMinder.
  • Setup Global security for the Admin Console, Single sign-on, and added SSL certificates and signercerts in WebSphere.
  • Deployed code on WebSphere Application Servers 6.1/7.0 &WebLogic 11g/12c and maintained applications.
  • Involved in installation of fix packs, e-Fixes, and cumulative fixes for WebSphere Application Server 6.1/7.0, IBM HTTP Server products.
  • Migrated WebLogic 10.1 to WebLogic 11g/12c.
  • Provide support for the entire cycle of application testing including building applications, deploying, and trouble shooting.
  • Configured and maintained WebLogic JDBC connections pools and Data Sources.
  • Involved in troubleshooting of the network issues & load balancing traffic routing issues.
  • Worked closely with developers to define and configured application Servers, Virtual Hosts, Web Applications, Web resources, Servlets, JDBC drivers and Servlet Engines-as well as deployment of EJBs across multiple instances of WebSphere.
  • Involved in migrating external facing applications from IPV4 to IPV6 at network level.
  • Expertise in migrating applications from WebSphere 6.0/6.1/7.0 to JBoss EAP 5.x.
  • Involved in installation of fix packs, e-Fixes, and cumulative fixes and all kinds of patches on different flavors of application servers like WebSphere, JBoss& tomcat servers.
  • Worked on problem tickets (PMR) with IBM to find effective solutions to various problems
  • And performance issues and applied various WebSphere system related patches, fixes.
  • Migrated portal artifacts (themes, skins, web modules, pages and URL mappings) between Environments.
  • Applied fix packs on both WebSphere Application server and Portal Server environments.
  • Handled deployment of Java Servlets, Session beans and Entity Beans for each module to respective instances of application servers and web applications.
  • Installed EARs, WARs and configured application specific JVM settings, Web container parameters using the Admin Console and WSADMIN.
  • Testing and profiling to measure the performance of the applications.
  • Used Wily introscope to monitor WebSphere Applications and tuned the environment accordingly like changing the JVM Heap size, Connection Pool sizes, Thread pool size.
  • Created user roles and groups for securing the resources using LDAP authentication.

Environment: IBM WebSphere Application Server 7.x,6.x ND, WebSphere MQ 7.x,6.x, JBoss EAP 5.x,6.X, Tomcat 6x,7x, Oracle9.x,10g,11g, IBM HTTP Server 1.3.19/1.3.26, IIS 6.0/7.0, Linux, AIX5.2, and Windows Server2000/2003, Wily Introscope 7.x,8.x, J2EE, Jython, JACL scripts, CVS.

Confidential,Blue Bell,PA

WebSphere / Portal Administrator

Responsibilities:
  • Installation, Configuration and Maintenance of IBM WebSphere Application Server 5.x, 6.x ND, JBoss5.1 on Linux 6 and Windows 2003 Platforms, carried out migration from WebSphere Application Server 5.x to WebSphere Application Server 6.x.
  • Deployed JSP, EAR and EJB components on WebSphere Application Server on a daily basis to different environments (DEV, UAT, LOAD, PRE-PROD, and PROD).
  • Enabled the Global Security System for WAS Administration for console users & groups using Tivoli Access Manager (TAM) as a LDAP user Registry for Authentication.
  • Configured and handled Tivoli Performance Viewer and Resource Analyzer for performance and Log Analyzer for troubleshooting
  • Used Wily Introscope 7.0 to monitor the health of various applications.
  • Installed and configured remote WebSphere plug-in for IBM HTTP Server.
  • Manually updated plug-in files for IHS servers located in DMZ.
  • Provided 24/7 on rotation customer support as both Primary on call and Secondary on call.
  • Worked on Migration of lighter applications from WebSphere to JBoss.
  • Embedded CA Wily Introscope profiles, IBM Tivoli Performance Viewer to WebSphere Application Server for performance monitoring.
  • Enabled SSO by installing web agent and registering with the policy servers.
  • Developed shell / jython / jacl scripting tools for backups and application deployments.
  • Worked on problem tickets (PMR) with IBM to find effective solutions to various problems and performance issues and applied various WebSphere system related patches, fixes.
  • Performed JBoss tuning to optimize performance and improve the JVM performance by tuning the heap size and resetting the connection pools.
  • Worked closely with developers to define and configure application Servers, Virtual Hosts, Web Applications, Web resources, Servlets, JDBC drivers and Servlet Engines-as well as deployment of EJBs across multiple instances of WebSphere.
  • Provided technical support on Clustering, caching, messaging and transactions to support enterprise Java application deployments in JBoss EAP and WebSphere Application server.
  • Developed shell scripts to handle everyday Administration tasks such as backup procedure, system cleanup, everyday system tasks, log rotation etc.
  • Designed and implemented all Load Balancer Configurations to provide continuous application availability.
  • Co-ordinated with release management for overnight system upgrade.
  • Accomplished improvement on the infrastructure performance by tuning parameters such as connection pool size, web container pool size, connection timeout, logging, tracing, web server plug-in properties, OS networking parameters, etc.
  • Performed Managing and Monitoring the JVM performance by WebSphere Heap Size, garbage collection, taking Thread dumps and analyzing to find the problems in application. Configured the Session Management i.e. Memory to Memory and Database replication.

Environment: JBoss 5.1,WebSphere Application Server ND 5.x/6.x, Redhat Linux 6, Windows Server 2003, Wily Introscope 7.x,Tivoli Performance Viewer, WebSphere commerce server 6.0.

Confidential,San Francisco,CA

WebSphere Admin

Responsibilities:
  • Installed, configured and supported 5.0 WebSphere Application Server ND 5.1/6.x cells (200 virtual servers) on Red Hat Linux 5, Windows 2000, and AIX 6.1 Platforms.
  • Installed and configured WebSphere MQ V6.X & Message Broker V6.X on Red Hat Linux, AIX 6.1 and Windows 2003 servers.
  • Installed, Configured, Administered Apache tomcat V6.0.
  • Installed Configured Apache Webserver v2.2.
  • Migrated Apache webserver from V2.2.0 to 2.2.8
  • Created the brokers, configuration managers and setup the database connections
  • Configured the JDBC drivers and Data Sources for application servers to test the application against various databases and responsible for upgrading the JDBC drivers.
  • Involved in deploying the EAR files and scripting automated deployment of the applications.
  • Installing the latest patches for MQ
  • Configuring WebSphere Server on multiple platforms for both Horizontal and Vertical clustering for Work Load Management.
  • Configured and maintaining WebSphere domain using configuration wizard and administration console, setting up WebSphere sever instances
  • To share requests across multiple servers, implemented the Workload Management (WLM) HTTP Requests, Servlets Requests, EJB Requests.
  • Performance tuning and Capacity Monitoring of Applications Servers using Tivoli Performance Viewer and log analyzer.
  • Implemented the Server Groups and Nodes (Vertical scaling & horizontal scaling) for fail over and Workload management.
  • Used ESB in Message Broker to handle the distribution of messages between publishing applications and subscribing applications
  • MQ based C API was used to build messages on AIX application front.
  • Involved in configuring JDBC drivers and Data Sources on WebSphere 6.1.
  • Involved in developing UNIX Shell and PERL scripts to web server logs and print out the number of time each URL presents.
  • Setup WebSphere MQ clusters for load balancing the messages and high availability of the queues
  • Generating Self Signed Certificates/ requesting certificates from CA.
  • Understand the environment and develop the system diagrams.
  • Created Visio diagrams of the MQ architecture and documented the environment
  • Configured IBM HTTP Web Server to work with WebSphere, deployed Servlet and JSP, EJB.
  • Configured virtual host for development and test, staging and PROD environments.
  • Setup OAM authority for the users/groups on MQ queue managers
  • Involved in documentation after finding cause for the issues and troubleshooting.
  • Responsible for 24/7 maintenance of J2EE application on WebSphere Application Servers in development, test and production environments.
  • Performed Integration and End-to-End testing on the project prior to deployment.

Environment: IBM WebSphere Application Server 6.x, IBM WebSphere Message Broker v6.x, AIX 6.1, Enterprise Service Bus, WebSphere MQ 6.x, IBM HTTP Server 1.3, DB2, Sun One LDAP, JBoss 4.0, Apache,Tomcat.

Confidential, LLP, Chicago, IL

WebSphere Administrator

Responsibilities:
  • Installed, Configured, WebSphere Application Servers 6.0/5.0/4.0 on AIX and Solaris and also IBM HTTP servers.
  • Involved in trouble shooting, problem solving and setting up the new environment.
  • Involved in number of installation of IBM WebSphere Instances from development to production.
  • Worked closely with development and testing teams to implement fixes in Testing and Production environments.
  • Configured MQ JMS resources, Queue Connection factories, Destinations, Topics, JMS listener ports.
  • Log File was managed for troubleshooting and probable errors.
  • Configured global security for WebSphere Application Server using IBM Directory Server as LDAP user registry.
  • Building environments for development, testing and production.
  • Supported WebSphere application server Clustering, Load balancing and Failover.
  • Configuring of resources like JDBC, configuring MQ Server and connection pooling for the database.
  • Opened PMR with IBM and worked with IBM for permanent solutions, determined true problem Management and recommend permanent solutions
  • Installed and Configured IBM HTTP Server 6.x on Solaris and LINUX.
  • Generated Http Plug-in configuration and moved it to the Web servers.
  • Troubleshooting the Http Plug-in regenerated problems.
  • Installed and configured IBM Edge Server and Network Dispatchers for load balancing.
  • Involved in securing the J2EE applications by implementing Single Sign On by using LTPA and Site Minder.
  • Configuring and setup SSL for client authentication and data encryption.
  • Performed Managing and Monitoring the JVM performance by WebSphere Heap Size, garbage collection, taking Thread dumps and analyzing to find the problems in application.
  • Configured the Session Management i.e. Memory to Memory and Database replication.

Environment: IBM WebSphere Application Server ND 5.x/6.x, IBM HTTP Server, F5, IBM Data Power XS40, Site Minder, Solaris10,RedhatLinux.

Confidential, Chicago, IL

WebSphere Admin

Responsibilities:
  • Installation, Configuration and Maintenance of WAS V5.x/6.0, IBM HTTP Server on different platforms in a multi-clustered high availability environment
  • Deployed new Enterprise J2EE applications in the shared WAS environment.
  • Installed and Configured IBM HTTP Web Server and Plug-Ins and configured Plug-in.xml files
  • Created and setup new WebSphere Application Servers in a clustered environment.
  • Implemented SSL security between client and web server and also between web server and application server
  • Log File was managed for troubleshooting and probable errors.
  • Performed WebSphere tuning, Administrative Repository tuning, JVM optimization, Java memory tuning.
  • Supported WebSphere application server clustering, Load balancing and Failover.
  • Migration of the existing applications from WebSphere 5.0/5.1 to 6.0/ using WASPreUpgrade and WASPostUpgrade tools.
  • Used scripts to automate everyday Administration tasks such as backup procedure, system cleanup, everyday system tasks, log rotation etc.

Environment: IBM WebSphere Application Server 5.x/6.x, IBM HTTP Server, Red Hat Linux, DB2, Oracle 9, Solaris 8/9

Confidential, Raleigh, NC

WebSphere Administrator

Responsibilities:
  • Installed, Configured, WebSphere Application Servers 6.0/5.0/4.0 on AIX and Solaris and also IBM HTTP servers.
  • Involved in number of installation of IBM WebSphere Instances from development to production.
  • Expertise in implementing Content management and Integration and scalability services to the business applications by implementing IBM web content manager.
  • Worked closely with development and testing teams to implement fixes in Testing and Production environments.
  • Involved in migration of IBM WebSphere Portal Applications (IBM WPS) from version 5.x to 6.x.
  • Deployed application EARs on IBM WebSphere Application Server Network Deployment in QA, Pre-Production and Production environments on a Bi-weekly basis and good experience in troubleshooting.
  • Configured WAS Global Security using Tivoli Access Manger and SSL for Web Server and Application Server, between LDAP and Application server.
  • Be gainfully employed with networking team and developers to analyze the critical issues related to server hang ups and resolved the issues.
  • Troubleshooting and successfully resolved LDAP, Site Minder and WAS. And polished problem-tickets, worked with developers to identify the root cause and resolve the issue or propose a potential work around.
  • Designed and elevated Trust Association Interceptor (TAI) for the web servers.
  • Managed to minimize the downtime of application servers.
  • Nurtured the applications running in the cluster environment and managed backup and restore configurations in DMGR (IBM WebSphere Deployment Manager) profile.
  • Operated multiple high profile, complex projects and implemented with minimal disruption to end-users.
  • Escalating Issues to IBM opening the PMRs.
  • Figured the application servers hung and out of memory exceptions using heap and thread analyzers by taking heap dumps and thread umps.
  • Patterned WPS pages and portlets using Web Service Remote Portlets (WSRP) as produce and consumer in cluster environments.
  • Used Jython and Wsadmin scripts to automate the deployments and configuration.
  • Managed on problem tickets (PMR) with IBM to find effective solutions to various problems and performance issues and applied various WebSphere system related patches, fixes.
  • Worked on Windows based Applications (ePremis, Automated Report Menu Interface), Building Application, Web and File Servers. Installing IIS, Message Queuing and Certification Authority, Installing Application upgrades.
  • Setting up Linked Server definitions on SQL Server, SQL Server Clustering.
  • 24x7 on-site operations support for different environments in project.

Environment: WebSphere Application Server 6.0/5.x in Network Deployment, IBM HTTP Server 6.0, Sun Solaris 8, AIX 5.3, Oracle 9i, DB2 8.2, SQL SERVER, IBM WCM, Tivoli, WSRP, JACL, Jython, WSadmin, LDAP.

Confidential, Research Park, NC

Web-Application Developer

Responsibilities:
  • Developed the Web Interface using Servlets, Java Server Pages, and HTML.
  • Designed and implemented all Load Balancer Configurations to provide continuous application availability.
  • Created user interfaces using JSP Developed the DAO objects using JDBC.
  • Business Services using the Java and Java collection framework.
  • Managed to minimize the downtime of application servers.
  • Developed and modified Servlets to accept and process request from the clients.
  • Developed various HTML objects using Java and HTML and DHTML to provide the flexibility to the developers.
  • Used JDBC to connect with the relational database.
  • User input validations done using JavaScript.
  • Developed JSP Pages to display both dynamic and static pages based on user request.
  • Involved in testing and fixing the bugs.
  • Integration of screens with the GUI framework for wizard-based navigation and interaction between screens across the application.
  • Participated in Unit testing of the application. Prepared Documentation.
  • Ensure development adherence to standards and procedures.

Environment: Java, Servlets, JSP, Apache Server, HTML, JavaScript, Eclipse, Oracle, Rational Rose, JUnit, XML, DB2, JDBC, UML, UNIX, Windows NT, CVS.

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