SUMMARY:

• Around 6 years of IT industry experience with Administration/Deployment/Configuration of Middleware distributed systems
• Good working knowledge of UNIX and Shell Scripts
• Expertise in Administration/Installing/Configuring/Trouble - Shooting of Oracle/BEA WebLogic 12c/11g/10gR3/9.x/8.x, Apache and OHS Web Servers on Red Hat Linux 6.x/5.x/4.x and Windows 2003/2000/XP environments
• Extensive experience in setting up the Development, Testing, Staging and Production environments as per the capacity requirements for the application
• Extensive experience in supporting and troubleshooting issues for the applications that are using 3-tier architecture
• Experience in dealing with troubleshooting problems
• Expertise in maintain tools that build, deploy, automate and streamline code management and product delivery process to environments
• Extensive experience in supporting application development using J2EE and Java related technologies
• Strong knowledge in deployment of J2EE applications on Oracle/BEA WebLogic Servers/Clusters using automated WLST/Ant /Unix Shell scripts
• Extensively worked on Oracle/BEA’s WebLogic Application Servers as administrator for Cluster Configurations, setup load balancing, Deployment of components and performance tuning including troubleshooting and maintenance
• Expertise in Weblogic Installation, Configuration, Deployment (Struts, JSP, Servlets, EJB, MDB, JMS, JDBC, J2EE deployment, Web Services), Integration, Maintenance, Performance Tuning, Memory Management, Administration, Clustering (Creating, Configuring & Monitoring Servers), JDBC Connection Pools (creating, configuring, deploying, monitoring, managing, tuning, & security), JMS (configuring, Monitoring, Tuning), Web Services, Weblogic Security(creating new security realms, groups & configuring Embedded LDAP server), Shell Scripting, Start and stop for weblogic servers, Creating Environments for Integration, Development, System Testing, Updating patches, versions & Maintaining at both Production in Unix, Solaris, Windows Platforms
• Experience with Jenkins for server administration, deployment management and integration processes
• Configured Apache Web Servers plug-ins for WebLogic application servers
• Experience in working with XML/XSL/XSLT documents
• In depth knowledge of using Crontab jobs
• Experience in writing Unix Shell Scripts to automate system admin jobs

TECHNICAL SKILLS:

Operating Systems: Windows XP/Windows 7/8, UNIX-Linux/Solaris

Languages: Java, C, C++, Shell, WLST

Web Technologies: J2EE, JSP, Servlets, JDBC, JMS, JNDI, TCP/IP, HTTP, XML and XSLT.

Version Control: Subversion, Serena Dimensions CM

Database: DB2, SQL Server, Access and Oracle

Application/Web Servers: Apache Tomcat, WebLogic, Apache webserver, Service Oriented Architecture(SOA), Oracle Service Bus (OSB ) .

Continuous Integration Tool: Atlassian Bamboo and Jenkins

PROFESSIONAL EXPERIENCE:

Confidential, EL Segundo, CA

Middleware Administrator

Responsibilities:

• Responsible for Administration of BEA WebLogic Configuration, Deployment to the Development, Pre-PROD, Performance and Production environments
• Developed and maintained shell scripts that facilitate the Administration of BEA WebLogic 9.2/11g
• Upgraded WebLogic Server from 10.3.3 to 10.3.6 for various applications
• Installing, configuring WebLogic 12c application server on Linux platform
• Installed and Configured Fusion Middleware components like SOA suite & OSB
• Used Oracle SOA Suite 11g components including adaptors
• Deployed the OSB code through sbconsole
• Deployed SOA composites using em console and WLST Script
• Patched the SOA/OSB servers via Opatch utility
• Automated the deployment process for OSB via WLST
• Configured Clusters for applications high availability, scalability and for failover support as per the capacity requirements
• Involved in Load balancing and Performance tuning for various projects
• Analyzed thread/heap dumps to resolve out of memory issues & to identify performance bottlenecks
• Performing builds and deployments of EAR/WAR/JAR files to the environments using WLST, Ant, Shell scripts and sent out the release notes
• Configured database Connection Pools and Data Sources to connect to Oracle, SQL Server
• Configured JMS servers, connection factories, topics and queues for various applications
• Configured Node Manager service to start/stop WebLogic instances through WebLogic console
• Developed Unix shell scripts to automate the WebLogic Administration (recycling the application server, deploying web/enterprise applications, logs rotation, monitor application state)
• Involved in assisting QA team in Load and Integration testing of J2EE applications on WebLogic Server
• Involved with the customer care and Development teams in trouble shooting and fixing day-to-day problems of the applications in production
• Actively involved in co-ordination efforts to integrate various enterprise applications involving multiple architectures and technologies by working with Development and QA teams
• Providing 24x7 on-call support for Production Environment

Confidential, Irving, Texas

Weblogic Support Admin

Responsibilities:

• Supporting clustered WebLogic server instances and applications hosted on them
• Installed and configured Weblogic environments
• Wrote WLST based deployment script for automated deployment
• Installing, configuring WebLogic 11g application server on Linux platform
• Automating resource creation in WebLogic using WebLogic Scripting Tool (WLST)
• Configuring Apache web server to handle the HTTP requests destined for back end Weblogic application servers
• Configured Build and Deployment task in Bamboo CI tool(Pulling the code from SVN Branch and deploying to Weblogic instances)
• Migrated the applications from Weblogic to Tomcat
• Integrated Apache with mod jk plugin on Tomcat7
• Imported Vendor certificated to Java keystore
• Configuring Cluster of manage server instances for high availability of application and load balancing
• Generating SSL Certificates using keystore utility
• Configuring Work managers based on requirements ie prioritized the requests, response time goal, min max constraints
• Applied patches and fix packs on the WebLogic and JDKs
• Used WebLogic plugins to route the requests from Apache to Weblogic instances
• Configured J2EE resources datasources, connection factory, JMS Queues/Topics and JMS server
• Configured Migratable targets and distributed JMS queues and topics for highly available destinations
• Set up security realm to protect the administration console and application resources
• Monitoring WebLogic resources, application components and performance tuning
• While outage, determine root cause to fix issues
• Developed shell script for Thread Dump and CPU utilization
• Tuning application servers, analyzing garbage collection, work manager threads, response time
• Setting up appropriate heap setting and addition of JVMs depending CPU/Memory available on machine
• Recommending proper configuration environment based on performance engineering test and user based load
• Providing 24*7 support on applications

Confidential, Columbia, Maryland

Weblogic Administrator

Responsibilities:

• Performed migration activities i.e. moving code from development teams through different environments for WL 10.x deployments.
• Migrated Weblogic 8.x/9.x to Weblogic 10.x
• Performed web server (Apache) administration on UNIX
• Configured and administered JDBC,JMS, and JNDI in WebLogic Server8.x, 9.x
• Configured and monitored application servers in Production on WILY Introscope.
• Worked with both technical and non-technical teams to establish project plans and ensure timely completion of projects.
• Troubleshooting using thread dump, heap dump and Garbage collection analysis for WebLogic server issues.
• Regularly involved with troubleshooting, debugging, script building, automation innovation, monitoring, develop document and procedures, etc.
• Created Managed Servers and Node Manager in Production Servers and test servers.
• Developed Scripts for deploying applications in different environments using weblogic.Deployer utility.
• Provided technical support for Production application environments.
• Participate in full development lifecycle activities ranging from code install, troubleshooting performance and resolving production issues.
• Monitoring the error logs, fixing the problems and tuning parameters on WebLogic environment.
• Configured and setup Secure Sockets Layers (SSL) for data encryption and client authentication.
• Worked on 24/7 on calls to support various applications
• Worked with different teams to automate and improve the migration process

Confidential

Software Engineer

Responsibilities:

• Installed/Configured/Performance tuned/Maintained WebLogic Server 8.x clusters on LINUX environments
• Installed WebLogic service packs and Upgraded WebLogic domains
• Dealt with troubleshooting issues like Server crashes, Application Deadlocks, Out of memory issues, High CPU utilization
• Configured WebLogic JDBC & JMS services
• Automated WebLogic domain configuration and services configuration using Unix Shell scripts
• Documented disaster recovery process for the application and systems custom tuning
• Supported performance tuning efforts by closely working with SQA Performance teams
• Configured Apache plugins to proxy requests from WebServers to WebLogic servers for load-balancing and application high availability
• Installed SSL certificates on Apache websites.
• Coordinated with project team for builds and deployments to development/Integration/UAT/Production environments according to the project schedule/milestones
• Ensured environment dependencies while doing builds and deployments