SUMMARY:

• A professional with 8 years of diversified experience in IT Industry of experience in Middleware Administration.
• Handling all the aspects of Installation, Configuration, Troubleshooting, Load Balancing, Clustering, Deploying Applications, Performance Tuning and Maintenance of WebLogic Server versions 8.x/9.x/10.x
• Expertise in installation, configuration and administration of Jboss 4.x/5.x, Apache and Tomcat 6.x/7.x/8.x.
• Highly experienced in the Installation, Configuration and Administration of Apache 2.x, Sun One Web Server iPlanet 6.x/7.x.
• Involved in the migration and up gradation of Weblogic Servers.
• Familiar with java EJB design patterns and Service Oriented Architecture SOA .
• Deployed various WAR, JAR, EAR applications in clustered environment using Admin console WLST scripts.
• Installed and Configured JDBC connection pools, JMS server, JNDI, connection factory, Queues/Topics, migratable targets, persistent storage and distributed destinations.
• Experienced with Microsoft Windows XP/NT/2000/2003, Sun Solaris, UNIX, Red Hat Enterprise Linux, and HP-UX platforms.
• Installed plug-ins for Apache web server, sun one web server and IIS to proxy requests to weblogic application server.
• Experienced with JVM performance tuning by optimizing Heap size and Garbage Collector.
• Integrated LDAP server with weblogic server for user authentication.
• Integrated Siteminder with weblogic server for single-sign-on.
• Monitored weblogic cluster using OEM grid control and Big Brother.
• Installed and Configured SSL across multiple Platforms

• Good knowledge of Unix shell scripts, Ant scripts, WLST scripts, jython and PERL script.

• Experienced in providing 24/7 support for Production, Testing and Development environments.

TECHNICAL EXPERTISE:

PROFESSIONAL EXPERIENCES:

Confidential

Role: Sr. Weblogic Administrator/JBoss Admin

Responsibilities:

• Installed, Configured, Administered and Monitored of WebLogic Application Server 10.x in various environments Linux and windows .
• Installed, Configured Administered Apache Tomcat Server. Also, experienced with Load Balancing Clustering with multiple Apache Tomcat Server Instances.
• Administered Apache HTTP Server 2.0.
• Installed, configured and administered Jboss 4.x 4.2 /5.x 5.0.1, 5.1.0 in different environments like Development, QA, UAT and Production on Linux RHEL 5 and Solaris 9 operating systems.
• Configured Web Logic Plug-ins for Apache Web Server and configured load balancing and fail-over solutions.
• Configured and administered JMS, and JNDI in WebLogic Server 10.x.
• Configured web agents of Wily Introscope with WebLogic server.
• Configuration wizard was used extensively to create, manage WebLogic domain and configure various environments.
• Configured JDBC and JMS Queues in Weblogic 9.2/10.3, Jboss 4.2/5.0.1 EAP
• Configured connection pools and Datasources for Weblogic 9.2/10.3, Jboss 4.2/5.0.1/5.1.0, and SJSAS 9.1 application servers with backend oracle 9i/10g/11g RAC DB's.
• Configured and Administered JDBC connection of WebLogic server with Oracle9i database.
• Build and implemented Disaster Recovery strategies for WebLogic Domains.
• Deployed WARs, EARs using WebLogic Admin Console as well as running scripts.
• Provided WLST Python script and configuring various WebLogic components/services.
• Responsible for setting up WebLogic clusters, JDBC Data sources.
• Renewed WebLogic certificates, also installed the new certificates for the newly created regions.
• Written Scripts for Monitor the Performance issue and to handle Complex Automation using Shell scripting. Developed many scripts for startup and shutdown of Admin Server and Managed Servers.
• Performance tuning of Garbage collections, JVM heap size, and Native thread production performance.
• Troubleshooting WebLogic application Server connection pools and connection manager with Oracle 9i.
• Installed Jboss web server 1.x and configured with Jboss EAP 5.0 for load balancing.
• Installed and configured Oracle Webcenter.
• Managed and Implemented JMS services.
• Provided 24/7 Support and on call schedule and HP OVO alarm.

Environment: BEA WebLogic 8.1/9.2, JBOSS, Apache HTTP Server 2.0, Apache Tomcat 6.0. Servers, JDK152 13, Akamai Load balancers using Cisco and BigIP, HP OVO alarm, Symantec Enterprise Security Manager ESM 6.5, Oracle 9i/10g, Wily Introscope 4.0/5.3.1/7.0, OEM.

Confidential

Role: Sr. Weblogic Administrator

Responsibilities:

• Installation Configuration Administration of Clustered Weblogic Server 9.1 on Production Environment.
• Used config wizard and config builder extensively to create and manage WebLogic domains.
• Migration of Weblogic Server from Windows to Linux Environment.
• Conversion of Batch scripts to Shell scripts for migration of Weblogic Server from Windows to Linux.
• Deployed the EAR, JAR, WAR applications on multiple Weblogic Servers Instances and maintained Load balancing, high availability and Fail over functionality.
• Maintained change management records for all the changes occurred while migration.
• Experience in Configuring JMS resources Queues, Topics, Distributed destinations, message bridges and JDBC connection pools, datasources.
• Configured SSL and created Digital Certificates for secured communication between applications.
• Experience in the Administration of Apache and IIS Web Server.
• Experience in configuring Node Manager in a clustered environment to administer the remote Weblogic server Instances.
• Experience using webLogic.admin, webLogic.deployer commands.
• Created Domain Templates to replicate the environment on new weblogic servers.
• Created Users, Groups, Roles and assigned users to Groups and Roles.
• Extensively worked on HP Open View Monitoring tool and analyzed the performance.
• Involved in upgrade of Oracle database from Oracle 8.1 to 9.0.
• Working Knowledge of Networking concepts Tcp/Ip, ssh , Trouble shooting Network.
• Developed WLST scripts and Shell Scripts to automate frequently done tasks like deployments.
• Experienced in analysis of thread dumps, core dumps, server hang and high CPU utilization conditions.
• Wrote SQL queries and Stored Procedures for effective insertion and updating of the data into the tables. Proficient with database tools like TOAD.
• Resolving high priority tickets documenting system outages in any of the above environments

Environment:

Weblogic 9.1, Redhat EL 4/5, Solaris 9, Windows Server 2003, Oracle 10g,

Apahce 2.0, IIS webserver, SSL.

Confidential

Role: WebLogic Administrator

Responsibilities:

• Installed, Configured and administered Weblogic server 8.x, 9.x, 10.x for development, testing and production environment.
• Installed and configured Sun one Web Server 6.x and Apache 2.x.
• Configured and Administered Apache Tomcat Application server 6.x.
• Installed and configured Plug-In for web servers to proxy requests to WebLogic Server.
• Migrated applications from weblogic server 9.x to weblogic server 10.x.
• Deployed different applications like WAR, JAR and EAR on clustered environment.
• Configured and administered JNDI, JDBC Connection Pools, Multi Pools and Data Sources on Weblogic Server.
• Configured JMS Server, Connection Factory, Topic/Queue, FileStore, Database Store and Distributed destinations.
• Configured clusters for high availability, load balancing and failover.
• Configured and set up Secure Sockets Layers SSL for data encryption and client authentication and Two Way SSL for Weblogic 9.x/10.x.
• Extensively used configuration wizard and silent mode to install Weblogic domain.
• Performed whole server migration and service-level migration.
• Experience in performance tuning of JVM.
• Analyzed Heap Dump to find memory leak.
• Integrated SIteminder with weblogic server for single-sign-on.
• Created Cronjobs for health monitoring of managed servers and timely running of jobs.
• Wrote Shell scripts, Ant scripts and WLST scripts for the automatic startup and shutdown, backup and recovery process of managed servers.
• Developed WLST, ANT scripts, UNIX shell scripts to automate the deployment process of applications and automation of domain creation with domain templates.
• Created Nodemanager for administration of managed servers.
• Involved in Configuration management, Software deployment, Change management, Performance monitoring and Application maintenance.
• Monitoring the error logs, fixing the problems and tuning parameters on WebLogic environment
• Involved with the developers in trouble shooting and fixing day-to-day problems of the applications in Production on 24/7 schedule.
• Provided on-call 24/7 production support.

Environments:

Weblogic server 8.x/9.x/10.x, Apache Tomcat 6.x, Solaris 9/10, HP-UX 11.x, UNIX, Sun one Web Server 6.x, Apache Web Server 2.x, Apache Web Server Plug-In, Sun one web server plug-in, JDK 1.x, Siteminder, Wily Introscope, F5 Big-IP, JDBC, JNDI, J2EE, JMS, SSL, EJB, JSP, Servlets, WLST, ANT, Unix Shell Script, Oracle 9i/10g.

Confidential

Role: Weblogic Administrator/JBoss Admin

Responsibilities:

• Installed, configured and administered Weblogic Application server 8.x/10.x in clustered environment and maintaining failover, load balancing and high availability.
• Installed, Configured and administered JBoss AS 4.x/5.x.
• Performed migration and upgrading from Weblogic server 8.x to Weblogic 10.x.
• Installing service packs and patches for Weblogic Server.
• Installed and configured Apache HTTP Server 2.x and Sun one web server 6.x .
• Installed and configured plugins for Apache HTTP server and Sun one web server to proxy the request to Weblogic server.
• Created Nodemanager to startup and shutdown managed servers remotely in a domain.
• Implemented security by configuring Secured Socket Layer SSL for client authentication and data encryption.
• Deployed various J2EE applications WAR, JAR, EAR on managed servers in clustered and non-clustered environment.
• Configured JNDI, JDBC Connection pools, multi pools, and data sources.

• Created JMS server, Connection factory, Message Bridge, Topic/Queue, and Distributed destinations.
• Monitored the performance of weblogic servers and JVM with Wily Introscope.
• Analyzed thread dump to tune performance of JVM by setting parameters for heap size and garbage collection.
• Analyzed heap dump to find memory leaks.
• Installed and configured i-Planet LDAP Server and integrated it with WebLogic Application Server.
• Configured siteminder for single sign-on.

• Worked with F5 loadbalancer team to increase throughput, performance, and availability of weblogic servers.
• Experienced in analyzing the proxy server log in comparison with weblogic logs to narrow down the malformed request.
• Wrote scripts to monitor domains, recycle clusters, monitor disk space, and monitor number of Apache connections.
• Monitored error logs for troubleshooting and reading logs for information.
• Developed UNIX shell scripts, ANT scripts and WLST script for auto deployment process and health monitoring of weblogic servers and ran them as cronjobs.
• Solved server hang issues such as Deadlock, Application and Database level lock by taking thread dump and analyzed to get the root cause of the hang
• Implemented standard backup procedures for both application and Weblogic server.
• Involved in assisting QA team in Load and Integration testing of J2EE applications on WebLogic Server.
• 24/7 on call production support.

Environments:

WebLogic 8.x/10.x, JBoss 4,x/5.x, Apache 2.x, Sun one 6.x, Solaris 9.x/10.x, RHEL 5.x, Windows 2003, UNIX, Apache plug-in, Windows IIS plug-in, Siteminder, I-Planet LDAP server, JDK 1.x, JRockit, F5 Loadbalancer, Oracle, J2EE, JDBC, JMS, EJB, JSP, Servlets, XML, OpenSSL, Secure SSH, ANT, WLST.

Confidential

Role: Application Administrator WebLogic

Responsibilities:

• Involved in all administration tasks like Installation, Configuration, Deployment and Troubleshooting of WebLogic Servers 8.1 on various operating systems such as Sun Solaris Linux.
• Setup of the Cluster Environment for various WebLogic environments.
• Tuning application server by modifying Execute Queue Thread / JVM heap/JDBC connection Pools/JTA/ JMS
• Responsible for analyzing and troubleshooting all WebLogic related issues by the application team in various environments like DEV, QA, Staging Production,
• Provided 24X7 supports on a rotation basis.
• Responsible amongst team for day-to-day tasks.
• Involved in debugging troubleshooting application codes with developers based on types of exceptions thrown
• Deploying applications to various production environment using deployment tools.
• Escalation of problems to Vendor support, Engineering and Development teams for further analysis
• Involved in SEV calls with other team members and application team for resolving the high priority issues in Production environment.
• Simplify processes by automating various tasks e.g. application deployment process, remote restart.

Environment:

Solaris 2.8/5.8, Linux 4.x, WebLogic Server 8.1 sp3/sp5, I Planet 6.0, Apache 2.0., JDK 1.4, Jrockit Mission Control, IIS 6.0.

EDUCATION:

Bachelor's in Computers Science from Osmania University