SUMMARY:

• Dedicated and hardworking professional having around 7 years of IT industry experience in the field of Client/Server Applications and Middleware Server Ad­­­­­­­­­­­­ministration.
• Extensively worked on WebLogic 8.x/9.x/10.x/11g/12c Server, as administrator for Server Installations, Configuration, Application components deployment, performance tuning including troubleshooting and maintenance under heterogeneous environments like Red Hat LINUX, SUN Solaris 8.0, 9.0, 10.0 and Windows XP/2003/2008
• Installed, configured and administered Web Servers like Apache HTTP Server, Apache Tomcat, Sun One iPlanet and Microsoft IIS Server for Weblogic plug - ins.
• Excellent working knowledge of Operation & Production Support with large mission critical systems in multiple technologies and platforms including WebLogic, SOA, Apache and UNIX.
• Excellent working knowledge in configuring multiple Weblogic domains including machines, manage servers and cluster environments.
• Deployed various WAR, JAR, EAR and J2EE applications on managed servers and in clustered environment using Console or auto deployment scripts.
• Configured and administered JDBC Connection pools/Datasources, JMS Connection Factories and other JMS artifacts like JMS Servers, Distributed Queues.
• Experience in Installing IDM suite Products like OAM, OIF, OES, ESSO, and OIM11gR2.
• Integrated the Single sign on products like Oracle Access Manager and SAML for various applications deployed on Weblogic Servers.
• Experience with installing, configuring, administering, implementing and performance tuning of clustered SOA environments (10g/11g).
• Installed and configured Oracle Security components like Oracle Access server, Oracle Identity server, Oracle Internet Directory.
• Experience in deployment in SOA suite with Stage, No-stage, External stage modes.
• Created repositories using RCU (Repository Creation Utility).
• Deployed proxy and business services using OSB console
• Expertise in migration and up gradation of Weblogic Server and updating JDK versions, applying patches and installing service packs for Weblogic server
• Performed troubleshooting of OSB service calls by enabling tracing and using test console.
• Extensive hands-on experience in setting up multiple clusters and implementing Load Balancing, High Availability and Failover functionality.
• Good experience in configuring and managing secured environments using SSL and digital certificates.
• Experienced in writing UNIX Shell Scripts and implementing auto deployment process.
• Installed and configured Wily agent, Wily enterprise manager and Introscope Workstation and provide application monitoring and measurement using Wily Introscope.
• Provided 24x7 on call support in production environment on rotation basis.
• Excellent problem solving skills with a strong technical background and good communication and interpersonal skills. Self motivated and a good team player.

TECHNICAL SKILLS:

Programming Languages: C, JAVA/J2EE, SQL

Operating Systems: Solaris, Red Hat LINUXWindows 98/2000/NT/XP/VISTA.

Middleware: BEA Weblogic Application Server 8.x./9.x/10.x/11g/12c SOA Suite 11g, OSB 10g, Jboss 4.2.3/4.3.0, Apache-HTTP Server 2.2

J2EE Technologies: Servlets, JSP, JDBC, RMI, JMS, JTA, JNDI, JMX, EJB, Applets and swing components, AWT.

Web Technologies: JDK 1.4/1.5/1.6 HTML, XML, DHTML, MSXML, ASPX.

Scripting Languages: UNIX Shell Scripting (Bourne, Korn, C and Bash), Perl Scripting.

Packages: JSDK 2.0, J2EE, Clear case, Clear Quest.

Performance Monitoring and Testing Tools: Wily Introscope, HP Sitescope, OEM 11g

Database: Oracle 8i/9i/10g, MS SQL Server, DB2.

Networking & Protocols: TCP/IP, Telnet, HTTP, HTTPS, FTP, SNMP, LDAP, DNS, DHCP, SSL

Other Tools: MS Office, TOAD, WINSCP, SQL Developer, Share Point, WINSCP, Putty, ESP, Jenkins, MS Project Std, MS Visio, MS Office, CA Clarity PPM, Release Management.

PROFESSIONAL EXPERIENCE:

Confidential, Atlanta, GA

SOA and Weblogic Administrator/Analyst

Responsibilities:

• Involved in administrative tasks and setting up environment for PLAB for various projects based on the Performance lab requirement.
• Installation, Configuring, troubleshooting and maintaining the Weblogic 12c, Jboss 7 and Apache 2.4.23.
• Experience in Administration, installation, configuration and tuning for Oracle SOA 11g suite.
• Experience in setting High Availability and clustering for SOA suite.
• Created Weblogic domains, managed servers, clusters, machines and start up scripts.
• Configured JDBC resources, datasoruces and bounded to the J2EE applications, configured the connection pools for the data sources.
• Created the JMS Server, JMS Connection Factories, Queues, Topics, File Store, Database Store and Message Bridges and monitored.
• Developed scripts (start, stop, backup & recovery processes) for Weblogic application server administration. Developed WLST/JYTHON, UNIX shell scripts, ANT build scripts to automate the deployment process.
• Installed and configured Weblogic, Jboss and Apache Servers during the Data Center Server migration.
• Configured Secure Sockets Layers (SSL) for data encryption and client authentication and Two Way SSL for Weblogic 12c using Keytool.
• Provided migration configuration for transactions, security, services, JMS servers and services while transitioning from development to production environment.
• Configured JNDI as repository for EJB Home stubs, queues and topics and separate Execute Queues for heavily used EJBS.
• Monitored Weblogic server resources using Wily Introscope.
• Deployed the WAR, JAR and EAR applications in Weblogic 12c.
• Performed UNIX System administration activities like stopping/starting services, rpm installations, and mounting/unmounting filesystems.
• Responsible for application changes across different platforms- development, testing and production environments
• Cross platforms: Extensively work with global infrastructure engineering and support teams (OS, Network, and Security, applications, databases and various endpoint-connections) and third party vendors for project and production support.
• Worked with various Architecture and development teams to understand the build and application setup.
• Worked on migration of environment from one data center to another data center.
• Involved in troubleshooting of various configuration/performance related issues.
• Solid understanding of Business process analysis, requirement specification gathering and documentation.
• Involved in many discussions/architecture reviews in the initial stages of a new billing system project.
• Proactively worked on daily and bi weekly code deployment tasks.
• Involved in basic environment validation tasks after every code drop.
• Worked with Network and Security teams in setting up firewall rules, DNS establishments and various types of load balancer setup for the applications based on architecture/business requirements.
• Worked on configuration and code deployments on AWS cloud environment (APIGEE) for Performance Lab.
• Worked closely with support teams in establishing new processes to minimize environment/configuration defects and for establishing environment stability.
• Provided various reports on application build status, QC defect status and code deployment status to leadership for many projects.
• Working knowledge on Remedy and HP ALM system.
• Worked with various project teams to understand the business requirements and timelines on project delivery.
• Involved in various training sessions for HP sitescope, App Dynamic and Capacity manager tools.
• Involved in setting up of various monitoring tools in Performance Lab environment.
• Cross platforms: Extensively work with global infrastructure engineering and support teams (OS, Network, and Security, applications, databases and various endpoint-connections) and third party vendors for project and production support.
• Involved in 24/7 support for production environments.

Weblogic Administrator

Responsibilities:

• Involved in all administrative tasks like Installation, Configuration, Deployment and Troubleshooting of Oracle WebLogic Application Server on Windows platform.
• Perform High Availability, Scalability and Disaster Recovery (DR) tests.
• Server Performance Tuning - Thread Dump Analysis, Core Dump Analysis when Server crashed unevenly.
• Configured and monitored IIS web servers with Weblogic proxy plugins.
• Development Support: Work with development teams in their project developments, testing, deployments, and maintaining codes and processes, and debugging application issues.
• Configured SSL for all Production servers and installed the updated certificates using keytool commands.
• Configured Clustering of Managed Servers, JDBC connections and JMS connection factories.
• Configured Node manager for administration of Clustered servers.
• Worked on Tuning the Weblogic Application Server, Applications and WebServers by changing the Heap Size parameters and tuning JVM’s Garbage Collector.
• Deployed the applications on multiple Weblogic Server instances and maintained Load balancing,
• Server log and Domain log monitoring, Application Deployment, and performance tuning of WebLogic.
• Setting the JVM parameters like maximum and minimum heap size in WebLogic startup scripts.
• Configured of JDBC connections and data sources with Oracle database server 10.x troubleshooting and fixing up problems.
• Define and plan maintenance activities and ensure application availability and usability. Develop maintenance procedures.
• Automated the startup of Weblogic nodes to come uphand running after regular weekly maintenance.
• Setting Weblogic admin server, Node manager as window services.
• Creating security roles, group policy, user authentication, auditing and authorization.
• Handled Memory issues and Memory leaks by tuning and profiling with the help of third party tools.
• Created and configured new users groups and Global Roles to authenticate. Responsible for application changes across different platforms- development, testing and production environments
• Prepared IQ documents for all Installations and Configurations.
• Managing and Monitoring 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. Configured the Session Management i.e. Memory to Memory and Database replication on Weblogic Application server.
• Worked closely with offshore team. Managed team of junior admin for after hours support as per INDIA time.
• Involved in doing a performance benchmark of Weblogic server by using Loadrunner.
• Performed 24x7 Production support for the several application across different business areas.

Oracle SOA Administrator

Responsibilities:

• Installed, configured and administered Weblogic Server on Red Hat Linux and Windows environment.
• Experience in Administration, installation, configuration and tuning for Oracle SOA 11g suite.
• Experience in setting High Availability and clustering for SOA suite.
• Experience in deployment of J2EE application and administration including JAR, WAR, and EAR files in SOA suite with all types of modes.
• Utilized pack and unpack commands for creation of domains in Dev, QA, UAT, PP and Prod.
• Experience in Oracle Business Activity Monitoring (BAM), its implementation and integration.
• Experience in OTM (Oracle Transport Management) for automation on a single application across all modes of transportation activities throughout their supply chains.
• Configured and administered JDBC, JMS in Weblogic Server 11g by creating Data Source and JMS resources.
• Install and configured SSL certificates for Apache web server in various environments.
• Configured and administered Weblogic server with Oracle 10g database.
• Deployed the applications on multiple Weblogic Server and maintained Load balancing, high Availability and Fail over functionality.
• Involved in OES security Module Installation and Security Module Instance Creation and Post configuration.
• Assisting the design of a custom user interface for end users of OIM, OIA and OAM.
• Installed, configured OSB 10g in a clustered high available environment.
• Installed and configured Weblogic 11g plug-ins on Apache 2.2.
• Used Config wizard and WLST scripts to create and manage Weblogic domains.
• Performance tuning of JVM heap size, garbage collections, java stack and Native thread & production performance.
• Monitoring application performance using Wily Introscope. Setting up the Introscope to alert for various metrics (CPU, heap, threads).
• Configured LDAP and installed the applications with data sources.
• Experience with Oracle Weblogic, Sql, UNIX Shell scripting, CVS or other source control system and multi-threaded/multi-process application.
• Active involvement in monitoring the server performance, network traffic to reduce performance bottleneck.
• Configured Node manager for administration of Admin server and managed servers.
• Experience in configuring Weblogic domain across Data Centers in production environment.
• Worked with F5 Networks-Big-IP for high availability load balancing of traffic to the various internet web services.
• Experience in handling network resources and protocols such as TCP/IP, Ethernet and DNS.
• 24X7 on call production support, technical support, trouble shooting, problems related to oracle Weblogic Server.

Weblogic Administrator

Responsibilities:

• Installed Weblogic Application server 9.2/10.3 using graphic and silent mode and configured the Weblogic domain.
• Performed Weblogic server administration tasks like configuring managed servers and setup cluster environment.
• Worked in a production environment supporting mission-critical applications.
• Performed migration and up gradation tasks like upgrading Weblogic server 9.2 to Weblogic 10.3 and updating JDK’s and installing service packs and patches for Weblogic Server.
• Troubleshooting everyday problems and issues by interacting with developer and testing teams and provided 24x7 On Call Production support on rotation basis.
• Deployed various J2EE and enterprise applications (WAR, JAR, RAR, EAR) on managed servers and cluster environment and maintained Load Balancing, High Availability and Failover.
• Installed and configured plug-ins for Apache HTTP server Web server in various environments and to proxy the requests for Weblogic server.
• Installed and configured IIS 6.0 and 7.0.
• Configured and administered JDBC data sources/multi data sources on Weblogic 10.3.
• Involved in monitoring error logs, troubleshooting and fixing the problems.
• Implemented security by configuring Secured Socket Layer (SSL) for client authentication and data encryption.
• Configured connectivity with SSL for App Servers and Web servers for applications in all environments.
• Troubleshooting with Thread and Heap analysis Using Samurai thread dump, TDA and Heap Analyzer for detecting blocking and locked threads.
• Working knowledge of JMS using IBM MQ Series.
• Implemented standard backup procedures for Weblogic server.
• Involved in assisting QA team in Load and Integration testing of J2EE applications on WebLogic Server.
• Applied Bundle Patch BP10 for Oracle Access manager.
• Configured LDAP using Active Directory and OID for user authentication
• Experience in working with TOAD to run basic production support queries.
• Consulted with IT project management, product management, development, and engineering teams to discuss capacity planning and resource allocation

Web Engineer

Responsibilities:

• Installed and configured Weblogic Server on Sun Solaris.
• 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.
• 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.
• Actively involved in monitoring server performance, network traffic to reduce performance bottleneck by enhanced performance ensuring upstream queuing.
• Configured the Web Server (Apache HTTP Server) interfaces, session management, virtual hosts and transports for BEA Weblogic Application Servers.
• Creating the User, Groups and provide the Global Roles for that User, Groups.
• Created the Connection Pool and Data Source for connecting the Oracle Database.
• Involved in bridge calls for troubleshooting.
• Worked closely with development team to troubleshoot ongoing issues in applications.
• Created scripts to deploy applications from command line and automate log archiving.