SUMMARY

• 8 years of experience in IT industry pertaining to designing, development, implementation and administration of various software projects on Java/J2EE platform using IBM WebSphere Application Server, JBOSS EAP, WebSphere MQ, BEA Weblogic Application Server, CA Wily Intoscope and CA Siteminder.
• Extensive experience in installation, configuration, management, administration and troubleshooting of various IBM products such as WebSphere Application Server ND 5.x/6.x/7.x/8.x, IBM HTTP Server 6.x/7.0/8.x, BEA Weblogic Application Server … and RHEL JBOSS EAP 6.3 on different LINUX operating systems and Amazon Web Services (AWS).
• Experience in installing and configuring IBM HTTP Server6.0/7.x, Sunone 5.x/6x, iplanet, and Apache webserver with Local and Remote Plug - in for IBM WebSphere Application Server,
• Installed and Configured IBM WebSphere eXtreme scale.
• Installed and configured Wily Introscope (CA) monitoring tools for monitoring the applications which are running in the application server.
• Proficient in deploying J2EE components on BEA Weblogic, JBOSS EAP, WebSphere Application Server by using admin console, wsadmin scripts and ANT scripts.
• Experience in implementing workload management using horizontal and vertical clustering.
• Experience in updating Web sphere application server with the required Fix packs/Refresh packs or ifixes using Update Installer GUI or silently using response files.
• Experience in the migration of application from WebSphere 6.x to 7.x and 7.x to 8.x.
• Expertise at troubleshooting using Logs, enabling traces and analyzes the problems using Tivoli Performance viewer and/or interact with IBM support to solve the problems by sending IBM Problem Management Records (PMR).
• Configured SSL for IBM HTTP server using iKeyman.
• Good at documentation of various procedures and issues resolved.
• Excellent communication skills, quick learner and a very good team player.
• Provided 24x7 on call support for assigned applications and worked on shifts

TECHNICAL SKILLS

Middleware: WebSphere Application Server 5.x/6.x/7.x/8.x,JBoss 5.x/6.x/7.x, Tomcat, Apache-HTTPServer,IIS,IBMHttpServer

Operating System: Solaris, Red Hat LINUX, Windows 98/2000/NT/XP/VISTA

Programming: Java, J2EE, C++, C,Ant,, HTML, DHTML.

Scripting: UNIX Shell Scripting (Bourne, Korn, C and Bash), Perl Scripting, Jython, Jacl.

Databases: Oracle 8i/9i/10g/11i, SQL Server2000, MySQL, DB2 8.x.

Networking: TCP/IP Protocols, Socket Programming, DNS.

Frame work: MVC, J2EE Design Patterns, Struts.

Networking & Protocols: TCP/IP, Telnet, HTTP, HTTPS, FTP, SNMP, LDAP, DNS, DHCP, SSL

Monitoring Tools: Foglight, New Relic, Tivoli Performance Viewer, Wily Introscope,JConsole

PROFESSIONAL EXPERIENCE

Confidential - Philadelphia, PA

Web Sphere Administrator

Responsibilities:

• Installed, configured and maintained IBM WebSphere Application server 5.1/6.0/6.1/7.0 , JBOSS Application Server 4.x, Tomcat 5.5, IBM HTTP Server 1.3x/6.x, Apache Web Server and iPlanet web server
• Highly involved in deploying, troubleshooting, maintaining and configuring J2EE applications in various environments like Dev, Integration, QA, Stress, UAT and Prod.
• Provided various J2EE applications support at the enterprise level
• Involved in the design, configuration and implementation of the web applications in all the four flavors using Clustered Concept
• Installed and configured IBM WebSphere Application Server 6.1/5.x, JDBC drivers and Servlet engines along with trouble shooting and recovery on AIX.
• Providing 24/7 on call support.
• Worked on WebSphere Application server 6.1 XD.
• Expertise in using Web Sphere administrate console (deployment manager).
• Involved in Creating new profiles like Managed, Default and federating nodes with DMGR.
• Expertise in creating new cluster members, servers, JVM settings, master repository configuration, Hardware load balancing.
• Responsible for deploying application, hot deployment, war, jar, ear files.
• Knowledge of cygwin, Winscp, PVCS, and Cruise Control.
• Expertise in setting garbage collector properties in JVM properties.
• Expertise in J2ee application server tuning (JVM), setting heap size, creating garbage collector properties.
• Expertise in clustering, sticky session, session replication, according to the business requirement.
• Involved in configuring with web server, populated mod jk, workers. Properties, uniworkersmap.propeties.
• Maintaining updated documentation of all the Servers, installed applications and updates
• Worked Extensively on LDAP Site minder.
• Security, users, groups administration and daily backup and restore operations.
• Package, build, Integrate and deploy enterprise J2EE applications on WebSphere 6.1.0.9/6.0.2.13/5. x that involves EAR (Enterprise Archives) and WAR (Web Archives).
• Migration from WebSphere 5.0/6.0 to WebSphere 6.1
• Involved in troubleshooting and performance tuning using Resource Analyzer and Log Analyzer.
• Involved in capacity planning, implementation of WebSphere 6.x.
• Active involvement in monitoring server performance, network traffic to reduce performance bottleneck.
• Proficient in monitoring WebSphere Application server using WILY in Production stage.
• Performance tuning of the web application using the Tivoli performance monitor and the turning on the garbage collector parameters. Worked closely with the development team in resolving the memory leakage issues in the web apps.
• Configured Server Groups and Clones for High Availability and Fail Over capability.
• Ensure application dependencies are integrated on system level components such as database, Data Source Name, and Application Server connection pooling (DB2) including identification and documentation.
• Installed upgrades and fix packs to the runtime environment as required decreasing vulnerability to production environment.
• Responsible for application changes across different platforms- development, testing, UAT and production

Environment: WebSphere Application Server 5.1/6.x, JBOSS,IBM HTTP Server, Apache Web Server, Cognos, LDAP, Java, J2EE, JSP, Servlets, EJB, XML, JDBC, Informatica, Hadoop, ORACLE 10g, DB2, HTML, WSCP, TIM 5.1,TAM.

Confidential, SFO, CA

Web Sphere Administrator

Responsibilities:

• Installed and configured IBM Web Sphere Application Server 6.1.x/7/8.5, IHS 6.1.x/7 and Apache 2.0.x/2.2.x on RHEL 5.5/6.1, AIX 5.3/6.1 and Windows 2003/2008 server.
• Installed and configured Siteminder webagent with Apache 2.2/IHS 7.0.
• Deploy applications on WebSphere Application Servers and maintained applications.
• Migrated many applications from WAS 6.1 to 7.0 in DEV, IST, UAT, Dr and Prod environments.
• Installed and Configured IBM Http Server 6.1/7.0 and IHS web server 6.1/7.0 interfaces (plug-in file), session management, virtual hosts, data sources, HTTP transports for Application Server instances and applications.
• Highly involved in deploying, troubleshooting, maintaining and configuring J2EE applications in various environments like Dev, Testing and Prod
• Used MANAGEPROFILES to create multiple WebSphere profiles from the command line interface.
• Installed fix packs, refresh packs for the JDK, WAS, IHS and WebSphere Plugins for version 6.1 and 7.0
• Configured the SSL for webservers and LDAP for secure communications.
• Generated the certificate requests for VERISIGN CA and installed the certificates for WebSphere and IHS.
• Worked with the network team to define rules for Load Balancer for multiple webservers.
• Created and Configured Clusters, JDBC Providers, Data Sources, Virtual Hosts, SSL, Global Security using LDAP.
• Configured horizontal and vertical scalability of WebSphere to support failover mechanism and to utilize system resources to the maximum extent.
• Configured JDBC provider and Data source for multiple applications using Oracle 10g/11g, DB2 8.x/9.x.
• Automated the administrative task using the Jython scripts.
• Troubleshooting on issues such as out of memory, memory leaks, hung sessions and session replication, federation of nodes and synchronization of nodes with NDM.
• Monitored for Application core dumps, or forced thread dumps to check for system objects using PMAT and other WebSphere related issues using IBM Support Assistant 4.1.
• Developed UNIX shell scripts and Jacl scripts that automate the WebSphere Administration (recycling the application server, deploying customer applications, logs rotation, monitor applications state, etc,).
• Created user roles and groups for securing the resources using LDAP authentication.
• Worked with IBM in opening a PMR for inconclusive root causes, and coordinating the proposed changes with the development, networking and database teams.
• Provided call center support by 24x7 shift rotation basis and monitored trouble ticket queues to attend user and system calls. Involved in trouble shooting the production outages to the application.

Environment: IBM WebSphere Application Server 6.1/7/8.5, IHS 6.1/7 and Apache 2.0.x/2.2.x, 5.5/6.1, AIX 5.3/6.1, Tivoli, Windows 2003/2008, Oracle 10g/11g, DB2 8.x/9.x, siteminder, Tivoli.

Confidential - Framingham, MA

WebSphere Admin

Responsibilities:

• Installed, Configured administered and supported WebSphere Application Server V8.0/7.0/6.x and IBM HTTP server 6.x/7.0/8.0 on AIX/Windows platform.
• Configured WebSphere Deployment Manager and Application Server profiles in clustered environment to utilize the advantages of failover and load balancing in multi-node environment.
• Implemented creation of Server groups and clusters in WebSphere Application server and cloning of servers and provided extensive support in deployment, change management and application level troubleshooting for the Dev, Test, Pre-Prod & Production environment.
• Experience in deploying EAR, WAR and JAR files on WebSphere Application Server V6.x/7.0 and configuring various resources for applications.
• Configured the shared libraries, Environment variables, Class loaders in Admin Console.
• Extensively involved in migration of applications from WebSphere Application Server 6.x to 7.0.
• Experience in installing Web Servers like Apache V2.0.47, IBM HTTP Server V6.x/7.0 and installing corresponding plug-ins on them to communicate with the Application Server.
• Experience in applying Fix Packs, Refresh packs and Cumulative fixes to upgrade the existing WebSphere versions.
• Experience in installing configuring and creating IBM ESB golden and bronze topologies.
• Deployed the application and configured IBM ESB 7.5.
• Configured JDBC provider and data source to connect to the DB2 and Oracle databases for application data.
• Created SIB/JMS database for each node in WAS cluster to improve the application performance as well as Scalability and failover so that if the node goes offline another node takes over any pending JMS messages on the disabled node.
• Created and configured Replication Domain.
• Enabled SSL and was responsible for installing the certificates and configuring them in the IBM HTTP Server.
• Implemented SSL security between client, Webserver & application server and generated Self Signed and Signed Certificates (Generate CSR and Import Signed Cert to Keystores) through ikeyman and OpenSSL.
• Worked on the different modules of ESB applications.
• Installed and configured Adobe live-cycle. Deployed, imported, updated LCA files.
• Installed and configured Corticon rules engine. Deployed and updated EDS files.
• Installed and configured the monitoring tool New Relic.
• Used New Relic, Mercury tools to monitor application resources (Enterprise beans, servlets) and WAS runtime resources (JVM memory, application server thread pools, database connection poo1, CPU Starvations).
• Configured IBM HTTP Server to load balance between the clustered Application servers.
• Generated & Propagated plugin-cfg for web servers and troubleshooted plug-in regeneration problems.
• Configure httpd.conf files for SSL communications and also for performance Tuning.
• Performed routine management of WebSphere Environment like monitoring Disk Space, CPU Utilization and resolved dynamic cache problems.
• Experienced in creating and managing WebSphere Environmental variables for Data Sources and JDBC Driver paths connection pooling, JMS and other creating shared libraries and references.
• Automate application install, uninstall and application enhancements through Shell scripts and wsadmin scripts.
• Experienced in administering Unix/Linux Shell scripts to monitor installed J2EE applications and to get information from the logs and database in the required format and other daily activities.
• Responsible in creation and monitoring the MQ Queues for ALIAS product.
• On-call production support (24X7) and troubleshooting problems related to Web Servers, WebSphere Application Server, Plug-ins, and Database.

Environment: IBM WebSphere 6.x/7.x/8.x, IBM HTTP Server V6.0/7.0, DB2, Apache HTTP Server 2.x, WebSphere MQ 6.0, Linux, AIX5.3, Sun Solaris 9, Tivoli Performance Viewer, JAVA, J2EE, XML.

Confidential - Township of Warren, NJ

JBOSS Administrator

Responsibilities:

• Installation, configuration and administration of JBOSS Servers 4.3.x/5.x/6.x, Apache tomcat 5.x/6.x and Apache 2.0.x/ 2.2.x running on windows, SUN Solaris, HP-UX and Linux.
• Installation, configuration and administration of WebLogic 11g on windows
• Maintain JBOSS different environments i.e. DEV, QA and Production environments
• Configured Application server cluster and integrated with Apache Proxy server instances.
• Monitoring the performance of External and Intranet applications.
• Performance monitoring, tuning and troubleshooting WebLogic, JBOSS, Tomcat and Apache server Instances.
• Deployment of various application packages including JAR, WAR, and EAR on web/application Servers. Troubleshooting all build related issues at the server and application level using Maven, Ant tools.
• Installation and configuration of Apache and Sun-One web servers as proxy servers in DMZ layer.
• Increasing application availability and scalability through load balancing
• Setup Load balancing for the applications through Mod-Proxy, Mod-JK modules.
• Cloning, refreshing Dev. instances from production depending on the business requirement.
• Working with different vendors on bug fixes /critical issues and seeking suitable patches and applying In all environments.
• Actively working on SSL (secure socket layer) certificate Installation for external applications.
• Working on SSO and LDAP interface related to issues
• Troubleshooting and resolving various (critical) issues related to environment and application issues and automating various administrating activities through scripting.
• Maintenance and configuration management for the applications including, Install vendor patches, configure for stability, security and maintainability and troubleshooting of application issues.
• Collaborate with application owners/managers and enterprise infrastructure staff.
• Supported multiple integration projects in the middleware space, troubleshooting middle-tier issues and assisting developers on infrastructure related issues.
• Hands-on Installation of new middleware software releases, system upgrades, evaluate and install patches and resolve middleware software related problems.
• Load testing on Application Servers and preparing hourly server's/application's performance reports.
• Meeting the SLA's and in charge for Production Service Deliveries.
• Tracking the open tickets using Service Now and resolving in timely manner to meet the SLA.
• Administering web/app servers; including troubleshooting, applying applications
• Patches, custom code promotions and system monitoring.
• Worked on app and web servers upgrade from minimum supported versions.
• Setup automation of deployment for JBOSS Application Servers.
• Investigates, analyzes, and resolves performance issues with production applications.
• Provides enhancements, maintenance development and integration of software and hardware and upgrade systems.
• Performs problem isolation, resolution and follow-up on various customer problems.
• Creates Quality Management documents for internal support teams.
• Involved in DR plan and execution of DR test (Disaster Recovery Plan) for mission critical applications.
• Maintain customer satisfaction by delivering all support requests on time.

Environment: WebLogic Server 11g, JBOSS 4.3.x/5.x/6.x, Windows Server 2003/2008, Red Hat Enterprise Linux 5.3, SUN Solaris 10, HP-OVO, Jdk1.4/1.5/1.6, Oracle 10g/11g, IBM DB2, CVS, Apache 2.1/2.2.