SUMMARY

• 7+ years of total IT experience with strong experience in Oracle WebLogic Administration including Domain creations, Installation, Up - gradations, Patching, and Production support on full lifecycle development of Client/Server Architecture.
• Expertise in various WebLogic concepts like Domain Configuration, Clustering, Patch management, Security, Performance Tuning, Log monitoring, Node Manager, JDBC, JMS.
• Experienced in configuration, remote managed server starts and stop
• Experienced in Investigating and resolving performance issues by taking thread dump, GC values, and heap dump and analyzing this dump with the development group.
• Experience in implementing Fail-Over, Fail-Back and Backup Strategies for WebLogic
• Experience in SDLC and extensively worked on multi-tier Client-Server Oracle based on Web Applications.
• Experience in installation and administration of WebLogic Application server Base/Network Deployment, SOA Server on various operating systems like RedHat, Linux.
• Experienced in environment configuration using clusters for a fault-tolerant, scalable, and highly available WebLogic environment
• Configuration of Application Servers, Clusters, Web Servers, JMS, WebLogic Variables, JDBC provider, Data Sources, node manager, security realm, and SSL.
• Created CSR, CRT, and JKS files using open SSL and key store tools.
• Experience working on J2EE Middleware including Administration, configuration, Management, Deployment, Testing Support, and Production support.
• Experienced in troubleshooting J2EE applications and SOA composites on WebLogic/SOA/ADF servers across development, Integration, Preproduction and production environments.
• Automated several jobs in order to reduce the manual effort and time.
• Areas of expertise are Retail, Education, and Financial domains.
• Good at troubleshooting using Traces, Logs, Log/ Heap /Dump Analyzer
• Excellent team player, self-motivated, quick learner with trouble-shooting capabilities.

TECHNICAL SKILLS

Application ServerOracle Suite: Weblogic10g/11g/12c, OID 10g, SOA11g/10g, ESB, EM 12c

Technologies: JDBC, JNDI, WSDL

RDBMS Tools: Oracle 9i/10g/11g, DBA

OS: UNIX, Linux, Sun Solaris 9/10, Windows P/2003/Vista/2008 WebLogic 11g/ 12c, Oracle AS 10g/11g, WebSphere 6.0, Webcenter, Forms/Reports Server (6i, 9i, 10g, 11g), EGATE, BI Publisher, OBIEE (10.1.3.4, 10.1.3.4.1 )

Web Server: iPlanet, Apache Tomcat 7

PROFESSIONAL EXPERIENCE

Confidential, Mount Laurel, NJ

WebLogic Administrator

Responsibilities:

• Configure JNDI server as repository for JDBC data source, EJB Home stubs, JMS connection factories, queues and topics.
• Requirements gathering from developers, coordinating with DBAs for database issues and performance settings, working closely with LAN/ Storage and network team for load balancer setup/ storage and server requirements/ DNS setup.
• Administration, configuration, Management, Deployment, Testing Support, and Production support using J2EE Middleware.
• Investigated and Maintained performance improvement of J2EE applications effectively.
• Supported 24/7 production and non-production environment, GO-LIVE activities, and enhancement releases.
• Regular Logs and Diagnostics analysis.
• Installed different versions of WebLogic in a clustered environment as well as customized JAVA Platforms for automation and user friendly purposes.
• Configured data sources, connection pool, thread, JMS servers, node manager.
• Installed iPlanet and integrated with SiteMinder component for user authorization and authentication.
• Installed, configured and maintained iPlanet webserver on Solaris 9.
• Deployed and updated Enterprise Applications on Development, Integration, QA, UAT
• Day to day health-check and monitoring of overall system using SiteScope.
• Daily monitoring of disk usage, CPU utilization using UNIX commands.
• Monitor logs, configure cron jobs, verify system logs and make sure all softwares are working without issues.
• Monitored and Managed JVM performance tuning by adjusting the JVM Heap size and GC parameters by monitoring physical memory.
• Ensured that all documentation necessary for the support of related components is up to date and is accessible to all who may require it.

Confidential, Buffalo NY

WebLogic Administrator

Responsibilities:

• Perform Day to day activities to maintain AT&T mission-critical applications hosted on middleware products like Oracle WebLogic 11g/12c, JBoss EAP6x and Apache Tomcat 7 on both QA, Stage and production servers.
• Setting up Web server to Application server integration and administration of webservers Apache HTTP server, Oracle HTTP server, IPlanet Web servers on Unix/Linux Platform.
• Developing UNIX shell scripts to automate the production monitoring jobs and client requirements.
• Configuring and managing WebLogic resources like domains creation, admin & managed servers, Cluster, JDBC datasource, JMS, Machines, Node Manager, Defining User/Group/Roles/Policies, LDAP and SSL.
• Deployment of JAR, WAR and EAR files in domain and clustered environments of WebLogic server and troubleshooting issues during deployments.
• Experience in deploying EJB applications and web applications on WebLogic servers.
• Generating thread and heap dumps during server crash, server hang situation and participate in dump analysis.
• Performance Tuning, monitoring, profiling of applications and implementing compliance requirements in application servers and web servers as per security requirements.
• Apply product patch using Opatch & BSU utility in WebLogic and WebLogic upgrade and migration.
• Work with Load balancer team (F5, Brocade, and CISCO ACE/CSM) to setup Load balancer to webserver/application server’s connectivity.
• Set up monitoring and alerting tools and configuration for production systems.
• Proactive monitoring the application health from WebLogic Console and tools like BMC Patrol, Wily Introscope, Splunk, Tealeaf, Bluestrip and take corrective action during outage.
• Configure JBoss installation, Domain creation in standalone mode and Domain mode, Application deployment in standalone and Domain mode.
• Data Source creation in JBoss EAP.
• Installation and administration of JBOSS EAP 6.x on various Operating Systems.
• Setting up cluster Environment in JOBSS EAP and troubleshooting of issue in JBOSS.
• Develop the shell scripts for server start/stop, status reporting, monitoring the applications to improve the support activities, and automate the manual tasks.
• Involved in analyzing the parameters of garbage collection for performance tuning and troubleshooting JVM parameters.
• Monitor the applications in a production environment, batch jobs, and provide real-time support for analyzing and troubleshooting issues.
• Change Management activities and 24x7 operational support.
• Outage/Incident Management activities.
• Ability to work in tighter schedules and proficient in meeting deadlines.
• Onshore/Offshore coordination and providing status update to leadership for all infra related activities and keeping track of all issues in issue tracker and bring it to closure.
• Participate in ticket solving, interacting with end users, clarifying ticket description and assisting end users to perform their work for the entire application.
• Understand the domain and the business process flow for the solution proposed for tickets.
• Validate the changes implemented in production and ensure the application works as expected.
• Prevent potential crisis by resolving critical issues quickly to reduce business impact to the customer and giving time estimates for resolution of defects.
• Provide continuous production improvement by monitoring the production System and Root Cause Analysis of all the Production issues to prevent Potential Crisis.
• Participate in Impact Assessment reviews and solution design meeting as part of Solution architecture team for upcoming releases.
• Work closely with Storage, SA and network team to facilitate the requirements for servers.

Confidential, Maryland

Jr. WebLogic Administrator

Responsibilities:

• Administered WebLogic server in production environments using command line and GUI.
• Created WebLogic Cluster for various application
• Responsible for creation of various Single Instance and Clustered WebLogic Applications
• Configuring the JDBC, JMS and deploying the application
• Review log files for troubleshooting application server and webserver
• Trouble shooting both the server and application related issues.
• Involved in performance tuning and memory management analysis related activities.
• Create Connection Pool and Data Source for connecting the Oracle Database.
• Create the virtual hosts in Apache Webserver and Web Logic
• Upgraded from WebLogic 10.3.4 to WebLogic 11g
• Troubleshoot WebLogic Server
• Created JMS topics and queues
• Involved in Load Balancing and performance tuning and monitoring using monitoring tool for various projects.
• Good understanding of Oracle HTTP Server 11g, Linux
• Administration of vertical clusters, database in Oracle Weblogic 10.3
• Handling SSL certificates like create, import, export the certificates in java keystores and renewal and signing.
• Installed, configured, administered Apache Web Server
• Configured Jenkins jobs for continuous integration
• Configuring Jenkins jobs for continuous integration
• Involved in performance tuning by analyzing Thread dump
• Involved in server’s health monitoring setup
• Setup OpenShift server for Microservices development