Summary

• Configured and administered JDBC, JMS, JTA, JNDI, SNMP and Node Manager to administer the Managed Servers in WebLogic Application Server 7.x/8.x/9.x/10 and 12C.
• Over 7 years of experience in the IT industry with almost 6 years of extensive experience in BEA WebLogic Server 8.x/9.x/10.x Administration under heterogeneous environments - UNIX, Red Hat Linux 6.x/7.x/8.x, SUN Solaris 8/9/10, IBM AIX, and Windows NT/2000/2003.
• Extensively worked on BEA WebLogic Application Server as an administrator in installing configuring and administering Server Configuration, Deployment of Components and Performance Tuning including Troubleshooting and Maintenance
• In depth knowledge of installation and configuration of Web Servers like Apache 2.x - HTTP Servers, SUN ONE 6.1/7.0 WebServers iPlanet .
• Hands on experience in migrating enterprise applications and upgrading of Weblogic Server and updating JDK versions and installing service packs for WebLogic server.
• Managed and administered Domains, Nodes, and Instances in BEA WebLogic server.
• Expertise in working on Cluster configuration Single/Multiple cluster , Workload Management, creation and maintenance of multiple Domains, including Machines, Managed Server instances, and Node Managers in a BEA WebLogic environment.
• Hands on experience in taking Thread Dumps, Heap Dumps and used Thread analysis and Heap analysis tools like samurai, Jhat Jmap to analyze the dumps,
• Handled Memory issues, application leak or weblogic leak or sun java bug by tuning and profiling the memory with third party tools.
• Deployed Applications WAR, JAR, EAR in Domain and Clustered environment.
• Experience in configuring alerts for monitoring production servers using third party tools like Sitescope, BMC patrol.
• Well versed in writing WLST, PERL, UNIX Shell Scripts, and ANT scripts to automate System Admin jobs and Created Cron jobs for timely running of jobs.
• Experience in Installing and Configuring external LDAP Servers using Netscape and Sun ONE directory Servers for user authentication.
• Hands on Experience in Configuring and managing Secure Sockets Layers SSL for data encryption and client authentication.
• In depth knowledge of Web Services, Service Oriented Architecture SOA including Aqualogic Service Bus and Oracle SOA Suite components.
• Hands-on experience on virtualization software like VMware and Oracle VM Virtual Box.
• Excellent design, troubleshooting, analytical, interpersonal and communication skills.

Technical Skills:

Professional Experience:

Confidential

Weblogic/Middleware Admin

Responsibilities

• Provided 24x7 production supports for applications on systems running the fore mentioned middleware products on Linux and Solaris OS.
• Collaborating with other teams to get a full picture of the application environment and any bottlenecks or issues in that environment, including networking firewalls, load balancers, routers , VM administrators and systems administrators.
• Interacted with development teams and third party support personnel for quick and effective issue/case resolution and patch implementations.
• Created and enhanced custom start/stop scripts bootstrap scripts for WebLogic during the box reboot and installed them in /etc/init.d.
• Fine-tuned JVM heap size, garbage collections, Java stack and Native thread and production performance.
• Configured connection pools and Datasource for Weblogic 10.3.X application servers with backend oracle 9i/10g/11g RAC DB's.
• Involved in Migrating of existing Applications to new Datacenter with all new infrastructure. Involved planning, design and execution of migration.
• Involved in Upgrade process from Weblogic 10.3.4 to Weblogic 12C.
• Created Installed SSL and Digital Certificates for requesting, generating and implementation for the communication between Web server and the Application Server.
• Deployed applications on multiple WebLogic Servers and maintained Load balancing, high availability and Fail over functionality. Configured Clustering of EJB objects, JDBC Connections and JMS connection factories.
• Performed QA, Integration, Staging Production releases of application packages, server and application configuration changes and patches to the middleware components.
• Performed Sync's between the domains after production releases.
• Involved actively in troubleshooting application issues by analyzing the performance metrics from Weblogic console, server by taking thread dumps and heap dumps.
• Coordinated production outages and facilitated resolution by working with several teams like UNIX, Network, Database, Infrastructure and Application teams.
• Environment: Weblogic 9.x/10.x/11g and 12 C, Apache 2.x, Linux9/10,Sun Solaris 9/10, Oracle 11g, Remedy, LDAP, OAM,OID,SOAP UI.

Confidential

Sr. WebLogic Admin

Responsibilities

• Involved in Major Code Releases for Production and Non-Production environments.
• Designed and implemented strategies for WebLogic Server Migration from 9.2MP2 to 10.3.1 and from 10.3.1 to 11g.
• Performed J2EE application deployment and administration including JAR, WAR, and EAR files.
• Involved in Monitoring and Tracking of Incident Records IR's for resolving the problems in both Production and Non-Production environments.
• Involved in the configuration and administration of SunOne 6.1/7.0 and Apache Web Servers 2.x including installation and configuration of WebLogic proxy Plug-ins.
• Configured JDBC resources, data sources and bounded to the J2EE applications, configured the connection pools for the data sources.
• Monitored and tuned the JVM performance by Weblogic Heap Size, garbage collection, JDBC Pools and taking Thread dumps, pstack and prstat and analyzing to find the problems in application
• Involved in setting up the cluster environment for WebLogic Server integrated with multiple workflows and in executing a performance benchmark..
• Developed several scripts using ksh and bash to automate jobs. Security audit scripts, password automation scripts, network stats, file storage, etc
• Gathered Solaris OS specific information that uses vmstat, prstat, truss, pstack, pmap and pfiles during the troubleshooting.
• Setup Cronjobs for automatic batch process.
• Configured LDAP using Netscape directory Server for user authentication.
• Involved in the configuration and administration of F5 Big-IP hardware Load Balancers to increase throughput, performance and achieve more than 99 availability
• Involved in applying patches for BEA WebLogic Server, SUN Solaris, and Apache SunOne Web Servers.
• Assisted development teams in activities such as load testing, troubleshooting, and performance monitoring and performance tuning of WebLogic Applications.
• Provided 24/7 support in the production environment.

Environment: BEA WebLogic 11g/9.2MP2, Sun Solaris 10/9, Linux 4.0, SUN One Web Server 6.1SP6/7.0, Apache Web Server 2.o, Svn 1.6, Oracle 10g

Confidential

Weblogic Admin

Responsibilities

• Installed configured and administered BEA WebLogic Server 9.x/10.3 in various environments.
• Configured and administered J2EE services including JDBC JMS and JNDI in WebLogic Server 10.3.
• Installed and configured Sun One Web Server iPlanet in testing integration and prepaid environments to work with WebLogic Server. Also configured LDAP for user authentication.
• Configured and administered JDBC connection pools and Data sources for WebLogic server with Oracle9i database.
• Installed, maintained, upgraded and supported Enterprise wide J2EE applications in development, test, acceptance and production systems running Jboss application server on Solaris, Linux and VMWare environments.
• Hosted multiple websites on the apache and integrated different backends on apache.
• Performed application deployment, data source configurations
• Responsibilities include Installation and Setup Management, Performance Management, Capacity Management, Backup and Recovery Management, Service Pack and Patch Management, Diagnostic Services, User and Security Management, Application Management and providing technical recommendations to application teams
• Setting up DR compatible application profiles and validating the same during the drills.
• Created a deployment process and tool for deploying in higher env.
• Integrated Weblogic with IPlanet LDAP Plug-in as authentication provider. This facilitated administrators to log into weblogic consoles using their LDAP ids and eliminated the usage of shared ids.

Environment:- Environments: Weblogic Server 9.x/10.3.x, Oracle SOA suite, BPEL, JDK1.6, SSL, JDBC, Apache, WLST, UNIX Solaris 8/9.0/10.0, LINUX 5 , Oracle 11g,ANT,Maven.

Confidential

Web Logic Administrator

Responsibilities

• Installed, configured and administered BEA Weblogic server 9.1 using graphic mode and silent mode.
• Created managed servers and configured Node Manager for these managed servers.
• Responsible for Design, Analysis and Implementation of J2EE Services for Employee Benefits and HR Services Line of Business
• Responsible for WebLogic Domain and Cluster Creation and Management for High availability
• Deployed WARS and EARS using Weblogic Admin Console as well as running scripts.
• Focal point for project design and architecture for Weblogic Application server layout, which includes Internet and Intranet Web Sites.
• Assisted developers, programmers, database administrators, and other users in resolving WebLogic and application related issues
• Provided technical leadership for deploying, and configuration of J2EE applications on WebLogic application server.
• Achieved best performance by tuning WebLogic environment, application tuning, and kernel level OS tuning by automating the tasks to obtain performance metrics. Tasks include JAVA Heap, CPU performance, JDBC performance, detecting memory and connection leaks etc.
• Installation of SSL certificates for the WebLogic clustered environment
• Provided 24x7 on call production support
• Involved in Weblogic Cluster configuration for Load Balancing and Failover conditions
• Infrastructure analysis, planning, system design, server sizing, scalability, and availability

Environment: BEA Weblogic App Server 9.1, JDK1.4/1.5, SSL, LDAP, JDBC, XML, Apache, WLST, UNIX, LINUX 4, Oracle 9i/10g, TOAD, Web Services, WSDL

Confidential

Web Engineer/Admin

Responsibilities

• Installed and configured Weblogic Server 8.1 on Sun Solaris.
• Deployed WARS and EARS using Weblogic Admin Console as well as running scripts.
• Configured Node Manager to start and stop servers from admin console.
• Configured JDBC connection pools and data sources for the applications.
• Configured JMS Connection factories and Queues for messaging applications.
• Involved in monitoring and tuning performance metrics like JVM, execute threads, JDBC connections.
• Developed BEA Weblogic Application Server regular administration tasks scripts.
• Actively involved in monitoring server performance, network traffic to reduce performance bottleneck by enhanced performance ensuring upstream queuing.
• Create the Data Source, Connection Pool and test the Connection to connecting the DB or Not.
• Created scripts to deploy applications from command line and automate log archiving.

Environment: BEA Weblogic Server 8.1 SP4, Apache HTTP Server, Sun and 9, Windows 2000/NT, Oracle 9.x, SQL Server 2000, Clear Quest.