SUMMARY

• Over seven years of experience in planning, installing, configuring, administering, tuning and troubleshooting of IBM WebSphere, Oracle WebLogic, Jboss application servers Apache Tomcat WESB and Oracle Coherence.
• Extensive experience in installation, configuration and maintenance of WAS 6.x/7.0/8.x, WL 8/9.x/10.x/11g, Jboss 6.x/5.x Tomcat and Oracle Coherence 3.6.1/3.7 in clustered and non-clustered environments on AIX, Solaris, Linux and Windows platforms.
• Experienced in creating highly available and Load balancing of WebLogic, WebSphere server and jboss instances and configured with the external Webserver, database and messaging infrastructure like WebSphere MQ and ActiveMQ.
• Knowledgeable in web server administration, which includes installation, configuration and troubleshooting of the IBM HTTP server, Sun-One and Apache.
• Experienced in applying patches fix packs/refresh packs for WebSphere Weblogic Jboss application servers, IBM HTTP server and plug-ins.
• Expertise in configuring and creating JDBC drivers, Data Sources, Virtual Hosts, Session management, MQ resource objects, listeners and JMS etc.
• Experienced in configuring and administering connection pools for the JDBC connections and various MQ objects- Queue Managers, Queues, Channels, Connection Factories and activation specs.
• Expertise in deploying applications in WAR, JAR and EAR formats thru Admin Console, Wsadmin tool and other administrative tools.
• Experienced in automating administrative tasks like application deployment, config changes and run-time operations using Wsadmin scripting client with Jython and python scripts.
• Expertise in installation and configuration of CA Wily Introscope v8.x/9.0, Oracle Enterprise Manager OEM v12c with Coherence instances WebLogic and WebSphere JVM's.
• Expertise in monitoring systems, JVM statistics, applications and back end connections using CA Wily Introscope v8.x/9.0 and Tivoli Performance Viewer.
• Analyzed logs, Core dumps, Thread dumps to check for system objects using ISA tool, Thread Analyzer and Log Analyzer.
• Experienced in working with the technical support groups from Oracle, IBM RedHat and CA Wily on various service requests.

SKILLS

• Operating Systems Sun Solaris 9/10, Red Hat Enterprise Linux RHEL , IBM AIX
• 5. x,Windows NT/2000/2003/2008 server
• Application/Web Servers WebSphere v6.1/7.0/8.0, WebLogic v8.1/9.x/10.x/11g, MQSeries,
• JBoss 6.x/5.x, Tomcat, Coherence 3.6.1/3.7
• Programming/Markup Languages C, C , Java, J2EE, HTML, XML, JavaScript, Jython, Jacl, shell
• scripting
• Databases Oracle 8i/9i/10g/11g, DB2 v9.x, SQL Server 2005
• Monitoring Tools Oracle Enterprise Manager OEM , Tivoli Performance Viewer,
• IBM Thread and Monitor Dump Analyzer, Log Analyzer,
• Wily-Introscope, CA SiteMinder
• Supporting Tools MS-Office, Visio, Project, Dream weaver MX, Adobe Photoshop

EXPERIENCE

Middleware Administrator

Confidential

• Responsible for the support and maintenance of the enterprise Middleware environments running on LINUX.
• The middleware stack includes Apache, Tomcat, WebLogic, Glassfish and WebSphere.
• Involved in upgrading the apache Web instances to remediate the security vulnerabilities.
• Installed new Tomcat instances and created VIP on the load balancer level to have high availability.
• Involved in the design and implementation of high availability solutions including backup and recovery, leading performance tuning activities to maintain high service levels and system performance, capacity planning and management reporting about the health of the application environments.
• Worked closely with all of the functional groups to insure a smooth implementation and to insure compliance with all of the corporate adopted system standards and directions.
• Provided technical support to the application development teams in the development of projects running on the application server.
• Responsible for ensuring application environments to meet security best practices and privacy standards.
• Provided support for the entire cycle of application development, testing, staging and production including building applications, deploying, trouble shooting and tuning.
• Setup the Cron jobs for the automated maintenance of the server on a regular basis.
• Provided 24X7 on-call support on a rotation basis.

Environment: WebSphere Application Server v7.0/6.1, Oracle Coherence v3.6.1/3.7.1, RHEL v5.x , Solaris v8/9, IHS, IIS, Sun-One, Oracle v10g, Tivoli Performance viewer, Wily Introscope v8.x.

Middleware Administrator

Confidential

• Installed, configured and maintained IBM WebSphere Application Server 8.5, 8.x, 7.0.x, 6.1.x, on IBM AIX 5.x and GNU/Linux 2.x.
• Installed, configured and maintained the JBoss Application server 6.x/5.x standalone and 6.1 domain mode instances on Linux servers.
• Installed, configured and maintained IBM HTTP server 6.x, Sun ONE iPlanet Web server 6.x and Apache Web server 2.x on AIX, Solaris and Linux.
• Deployed J2EE code on application servers, maintained applications and troubleshoot the application compatibility issues.
• Worked on automating administrative tasks using the Wsadmin tool, wrote JACL, Jython, shell scripts for installation, application deployment, start/stop of clusters and config changes.
• Configured BladeLogic jobs scripts to provide access to the application teams enabling them to start/stop/deploy/sync code in all of the environments.
• Installed, configured SiteMinder R12 R6.x in order to provide access policies to the application server and registered Siteminder on the Web servers and application servers with the policy servers.
• Installed and configured WILY Introscope 9.x/8.x/7.x to monitor the performance of the server at a detailed level.
• Used Workload Management WLM for optimizing the performance of the WebSphere application server by implementing various strategies such as clustering and creating and defining the core groups.
• Configured Virtual Hosts, Web Applications, Session Management, Web resources, Servlet Engines and deployment of EJBs across multiple instances of WebSphere Application Servers.
• Configured and Enabled the Global Security System WAS Administration for console users and console groups using the active directory server as a LDAP user registry.
• Experience in digital certificates installation and CSR generation for implementing SSL secure communication using ikeyman utility. Performed name based and IP based virtual hosts for setting up multiple domains for different applications.
• Configured JDBC Drivers and Data Source on WebSphere Application server 7.x/6.x to connect the J2EE components with Oracle and Informix databases.
• Configured MQ with WebSphere application server by creating QCF/Queues on the WebSphere application server 7.x/6.x.
• Provided support for the entire cycle of application development, testing, staging and production including building applications, deploying, trouble shooting and tuning.
• Applied Fix Packs, iFixes and java SDK's for WebSphere application server, Plugin and IHS Webserver on different environments.
• Created IBM Problem Management Records PMR to report WebSphere Application Server problems.
• Used IBM Heap Analyzers, Thread Analyzers, GC Analyzers First Failure Data Capture Tool and Collector Tools to troubleshoot and analyze issues related to JVM heap and hung threads.
• Setup the Cron jobs for the automated maintenance of the server on a regular basis.
• 24X7 On-call support on a rotation basis.

Environment: WebSphere Application Server v7.0/6.1, Oracle Coherence v3.6.1/3.7.1, Oracle Enterprise Manager OEM v12c, AIX v5.3, RHEL v5.x , Solaris v8/9, IHS, IIS, Sun-One, Oracle v10g, Tivoli Performance viewer, Wily Introscope v8.x, Blade Logic, SiteMinder.

Middleware Administrator

Confidential

• Installed, configured and administered the BEA WebLogic server 10.3.x
• Created and configured WebLogic domains using domain templates and configuration Wizard.
• Responsible for the installation and configuration of Oracle Weblogic servers, SUN Java Access manager servers, Open SSO AM policy agents, Apache Web Servers and SUN Web servers for the whole B2B application.
• Setup and configured the clusters on cluster environments for load balancing and high availability.
• Deployed the applications, formats of WAR, JAR and EAR in the WebLogic server.
• Patched updates and version upgrades for the WebLogic servers.
• Involved in trouble shooting and fixing day-to-day problems of the applications in production.
• Configured and administered of JDBC, JMS, and JNDI in the WebLogic server.
• Involved in the research and troubleshooting of emerging application issues, from Weblogic configuration to code issues to network issues.
• Involved and supported for maintenance and enterprise releases for several applications.
• Performed failover scenarios testing for a production environment that is a customer facing application.
• Participate in testing, as required to ensure that new products do not have negative impact on the environment.
• Deployed the applications on multiple WebLogic server instances and maintained load balancing, high availability and fail over for the servers.
• Developed scripts for automatic startup and shutdown of Admin Server and Managed Servers
• Troubleshooting and fixing of problems on WebLogic application server and Web server.
• Maintained the applications and supported 24x7 on the issues

Environment: WebLogic 8.1/9.2 Apache, Sun-One, Oracle v10g, Wily Introscope v8.x, SiteMinder.

Middleware Administrator

Confidential

• Installed, configured and maintained the IBM WebSphere application server XD 6.1.x, ND 7.0.x/6.1.x on IBM AIX 5.x and GNU/Linux 2.x.
• Installed, configured and maintained On Demand Routers ODRs and Dynamic Clusters on the WebSphere application server XD 6.x.
• Installed, configured and maintained the IBM HTTP server 6.x, Sun ONE iPlanet Web server 6.x and Apache Web server 2.x on AIX, Solaris and Linux.
• Installed, configured and maintained Apache Tomcat Application Server 6.x/5.x, JBoss Application Server 5.x on Linux serves
• Worked on automating Administrative tasks using the Wsadmin tool, writing JACL, Jython, Shell scripts for installation, application deployment, start/stop of clusters and config changes.
• Configured BladeLogic Jobs scripts to provide access to application team, enabling them to start/stop/deploy/sync code in all the environments.
• Installed, configured SiteMinder 6.x in order to provide access policies to Application Server and registered Siteminder on Web Servers and Application Servers with the policy servers.
• Installed and configured WILY Introscope 8.x/7.x to monitor the performance of server at a detailed level.
• Used Workload Management WLM for optimizing the performance of WebSphere Application server by implementing various strategies such as clustering, and creating and defining coregroups.
• Created dynamic clusters and modified WebSphere configuration changes using BMA tool.
• Configured Virtual Hosts, Web Applications, Session Management, Web resources, Servlet Engines and deployment of EJBs across multiple instances of WebSphere Application Servers.
• Configured and Enabled the Global Security System WAS Administration for console users and console Groups using Active Directory Server as a LDAP User Registry.
• Involved in securing the J2EE applications by implementing Single Sign On by using Lightweight Third-Party Authentication LTPA .
• Facilitated digital certificates installation and CSR generation for implementing SSL secure communication using ikeyman utility. Performed Name based and IP based virtual hosts for setting up multiple domains for different applications.
• Configured JDBC Drivers and Data Source on WebSphere Application Server 7.x/6.x to connect the J2EE components with Oracle and Informix databases.
• Configured MQ with WebSphere Application Server by creating QCF/Queues on WebSphere Application Server 7.x/6.x.
• Provided support for the entire cycle of application Development, Testing, Staging, Production including building applications, deploying, trouble shooting and tuning.
• Applied Fix Packs, iFixes and java SDK's for WebSphere Application Server, Plugin and IHS webserver on different environments.
• Created IBM Problem Management Records PMR to report WebSphere Application Server problems.
• Used IBM Heap Analyzers, Thread Analyzers, GC Analyzers First Failure Data Capture Tool and Collector Tool to troubleshoot and analyze issues related to JVM heap and hung threads.
• Setup the Cron Jobs for the automated maintenance of the server on regular basis.
• 24X7 On-call support on a rotation basis.

Environment: WebSphere Application Server v7.0/6.1, Oracle Coherence v3.6.1/3.7.1, Oracle Enterprise Manager OEM v12c, AIX v5.3, RHEL v5.x , Solaris v8/9, IHS, IIS, Sun-One, Oracle v10g, Tivoli Performance viewer, Wily Introscope v8.x, Blade Logic, SiteMinder.

Middleware Administrator

Confidential

• Installed and configured the WebSphere application server v6.0/6.1, WebLogic application server v9.2/10.3/11g, IBM HTTP server in the Red Hat Enterprise Linux and Solaris environment.
• Developed middleware infrastructure in the enterprise level with Clustering, Cloning Procedures for workload management, fail over support, Session persistence and Performance tuning.
• Integrated, deployed, packaged and built Enterprise J2EE applications using deployment scripts and administration console.
• Created, configured and administrated Domains, Managed Servers, Clusters, Machines, Node Manager, Data Source, Connection pools and JMS servers.
• Installed, configured and integrated Web servers, Apache, IBM Http server, generated and propagate the Web server plug-ins.
• Configuring global security, SSl, generated, created, imported cert requests from internal and VeriSign certificate authority to the Key database.
• Tuned Database connection pools, thread pools with Oracle 9i/10g database. Deployed Session and Entity EJBs.
• Installed and configured SiteMinder v6.x in order to provide access policies to the application Server and registered on the Web servers and application servers with the policy servers.
• Involved in trouble shooting and Performance tuning using Resource analyzer and log analyzer by analyzing error and event log files.
• Modified the existing shell scripts, Jython scripts for automating the tasks for various environments, like checking the performance of the application servers, creating clusters and deploying the Web applications.
• Monitored the Tivoli performance service to monitor memory usage in the EJB container and HTTP thread counts in the Web container. Extensive modification of load balancing to ensure equal performance on all servers.
• Key resource with good exposure to complete product life cycles. Responsible for application changes across different platforms, development, testing and production environments.
• Effectively interacted with the end/business users, testers and developers, decreasing the downtime and increasing user productivity.
• Worked as a part of a 24 7 on-call rotational support for test/ production environments.

Environment: WebSphere Application Server 6.0/6.1, WebLogic Application Server v9.2/10.3/11g, WebSphere MQ v6.x, SUN Solaris, RHEL, IBM HTTP Server, Apache Web Server, Oracle 9i/10g, Tivoli monitoring suite, SiteMinder 5.x.

Systems Administrator

Confidential

• Installed and configuration of Windows 2000/2003, Red Hat Enterprise Linux servers.
• Installed and configured Ethernet Networks, DNS, WINS, DHCP, IIS, terminal server and SQL server 2000.
• Migration of the active directory database from Windows 2000 to 2003 domain.
• Involved in operational support of the active directory, WINS, DNS and AD enabled applications.
• Extensively managed all the active directory issues related to user accounts, domain accounts, and managing permissions etc.
• Security assessment /formulation/ implementation for the Web servers on Linux and windows.
• Shell scripting for system management, security management/ monitoring and system automation.
• Created mailboxes for users, service, resource accounts and troubleshooting user mailbox issues.
• Troubleshoot user logon issues, permissions and security.
• Assisted the application teams in utilizing Oracle technologies to satisfy business and operational requirements.
• Recommended, evaluated and purchased IT assets servers, pc, laptops and other computer hardware and software .
• Purchased software licenses and tracked licensing compliance.
• Identified and troubleshoot server hardware issues, application issues, file permissions, software and LAN issues.
• Backed up the servers using system tape backups and implemented disaster recovery plan.

Environment: Windows 2000 /2003/ XP, Red Hat Linux, MS Exchange Server 2003, MS Active Directory, SQL Server.