SUMMARY

• Around 8 + years experienced Middleware Administrator in IT industry as Web Logic (8/9/10/11g, 12c), JBOSS (6/7), and Apache Web Server v2.2 on Sun Solaris (UNIX), Red Hat Linux and Windows platforms.
• Expertise in Installation, Configuration, Trouble - Shooting and Maintenance of Oracles Web Logic Server 7.0/8.1/9.x/10.x/11g,12c.
• Installed and configured JBOSS Application Server 6.x and provided support.
• Experience in maintaining BEA Weblogic Server and JBOSS server on different UNIX platforms with setting up the complete middleware environment in Development, Testing, Staging and Production environments.
• Monitoring, Performance Tuning on Weblogic/JBoss servers.
• Deployed J2EE Application archives (JAR, WAR, EAR and RAR) and Web-Based/E-Commerce on Weblogic Application Server.
• Extensive experience in production environments, involved in performance tuning, tweaking the JVM parameter, Threads, size of the connection pools.
• Experience in configuring Node Manager to start and stop managed servers from admin console.
• Experience in both Clustered and non-Clustered environments.
• Expertise in writing WLST scripts using Jython/Python for starting, stopping servers, Node managers and deploying applications.
• Proficient in Administration of Oracle Fusion Middleware including Oracle SOA suite (10g, 11g), Oracle BPM/ALBPM, Oracle BPEL Process Manager and Oracle Enterprise Service Bus (ESB).
• Excellent working knowledge in implementing LDAP and Netscape Directory Server.
• Familiarity using Load Balancing techniques (local and global)
• Excellent shell and ANT scripting skills.
• Experience using Weblogic.Admin, Weblogic.Deployer and Weblogic.server commands.
• Experience in finding the Memory Leaks and adjusting the JVM Heap Sizes and GC Parameters.
• Experience in working with development teams to troubleshoot server related application issues, performance issues and application performance tuning.
• Experience in Java performance testing and troubleshooting using JConsole, JRockit Mission Control, JProfiler.
• Working knowledge of JBOSS 6.x/7.0.x and exposure to distributed queuing architectures.
• Implements and administers JBOSSEAP 6.x, Oracle Weblogic environment; including troubleshooting, applying applications patches, custom code promotions and system monitoring.
• Strong experience in performing root cause analysis to investigate the reasons for server and application related issues and suggesting solutions.
• Experience in Java deployment work such as packaging, release and build issues for a J2EE system.
• Experience in 24x7 on-call production support and trouble-shooting problems related to BEA
• Experience in designing distributed systems using J2EE Technologies for various services and integrated with IBM HTTP Server, BEA Weblogic Application Server, Weblogic Portal Server.
• Very good knowledge on Windows and UNIX Administration.
• A quick learner and can work independently.
• Excellent written and oral communication skills.
• Experience in giving presentations to large audiences.
• Extensive experience on Source Code Systems like CVS, SVN.
• Expertise in Build Automation using several tools such as Hudson / Jenkins
• Tracking and communicating the Build, Deploy and Release Process.
• Coordinating with Onsite/Offshore team to resolve the Deployment related issue.
• Actively participating in PrePROD/PROD Releases
• Good understanding of Systems Development Life Cycle (SDLC).

TECHNICAL SKILLS

Web/Application Servers: Weblogic Server 8.1 (sp3 - sp6), 9.2MP2 &11g, 12c,Oracle SOA 11g, Oracle Service Bus 11g. JBOSS 6.x/7.x,WebSphere 8.5.5, Apache Tomcat 6.x, 7.x, 8.x, Apache 2.2, 2.4, IBM-HTTP Server.

Operating Systems: Red Hat Linux, Windows, Sun Solaris, HP-UX, IBM-AIX.

Scripting: WLST scripting (Jython Language).Perl scripting.Shell scripting (Bourne, Korn, C and Bash).

J2EE Technologies: JSP, Servlets, Struts, EJB, Web Services(Apache Axis 2),Spring, Hibernate, SOAPWSDL, HTML, JDBC, JNDI, XML, XSL, JMS, IBM MQ JAXP, JAXB, Java Script.

Database systems: Oracle, MySQL, MS SQL.

Tools: Eclipse, VMware 6, Wireshark, NetBeans, Toad, Putty, JIRA, Cron Jobs, OpenSSH.

Integration Tool: Jenkins.

Version Control Tools: Subversion(SVN), GIT.

Automation Tools: vRealize, Puppet, Chef.

Protocols: TCP/IP, SNMP, POP/SMTP, HTTP, FTP.

Programming Languages: Java/J2EE, C, C++, SQL, PL-SQL.

Markup Languages: HTML, CSS.

Business Tools: MS Office (Word, Excel, Outlook, Power Point), MS Visio (UML, Flow Charts, Use Cases, Activity diagrams, Sequence diagrams).

PROFESSIONAL EXPERIENCE

Confidential, Englewood, CO

Sr. Weblogic/JBOSS Administrator

Responsibilities:

• Installation and Configuration of BEA Weblogic Application Server 9.2/10.3/11g/12c on SUN Solaris 9.0/10.0 and Windows environment.
• Determined and suggested hardware and software specifics to the System and customized as per the requirements.
• Configured Node Manager for running managed servers
• Installed and configured Apache HTTP Server 2.0, Tomcat 6.0, IIS 6 and Sun One Web Servers in various environments.
• Installed and configured plug-ins for Apache HTTP server and Sun One Web server to proxy the request for Weblogic server.
• Experience in analysing the proxy server log in comparison with Weblogic logs to narrow down the malformed request.
• Performed migration and upgraded Weblogic server 10.x to Weblogic 11x and to the recent version12c.
• Installation and configuration of JENKINS infrastructure.
• Updated JDK's and installed service packs and patches for Weblogic Server.
• Worked on Oracle Fusion 11g architecture making most of the investment in applications.
• Extensively worked on JBoss 5.1.0.GA and JBoss EAP 6.0 from scratch installing, configuring and deploying multiple applications like Event Management and Even Actualization System on the POS system.
• Responsible for setting up development, testing, staging and production environments for the ongoing application development.
• Configured connection pools, data sources for JDBC connections on Weblogic and JBoss.
• Configured data source using wlst scripts and from console.
• Provide support to different Sales and Revenue Team and actively involved in the migration of Web logic 10 to JBoss EAP 6.0.
• Tuned Memory parameters for newly installed multiple Weblogic 11g and JBoss Server 5.1.0.GA and JBoss EAP 6.0 on multiple environments QA and UAT before setting it up on Production.
• Deployed various J2EE and enterprise applications (WAR, JAR, RAR, EAR) on managed servers and cluster environment, maintained Load Balancing, High Availability and Failover.
• Created bash and ksh scripts to monitor domains, recycle clusters, monitor disk space, number of Apache connections, and ran them as cronjobs for timely running programs.
• Varied experience in Clustering (both horizontal and vertical), Workload management, creation and maintenance of Domains, Nodes and Managed Servers instances in a BEA Weblogic environment.
• Installed and configured sunONE and Apache Web Servers in various environments.
• Deployed applications on multiple Weblogic Servers and maintained Load balancing, High Availability, Fail over functionality.
• Extensive experience in configuring and managing secured environments using SSL and digital certificates.
• Extensive experience in finding the Memory Leaks and adjusting the JVM Heap Sizes, using the Optimize IT and JProbe.
• Documented solutions with client experiences related to their problems and respective solutions
• Involved in 24/7 support for production environments.

Environment: Weblogic Application Server 9.2/10.3/11g/12c, JBoss EAP 6.0, JBoss Server 5.1.0.GA Apache HTTP Server 2.0, Tomcat 6.0, IIS 6, JENKINS, JProbe, Sun Solaris 8 and 9, Windows 2000/NT.

Confidential, Collegeville, PA

Sr.Weblogic Administrator

Responsibilities:

• Installed, configured and administered Weblogic/JBoss Servers on Red Hat Linux and Windows environment.
• Performed Weblogic/JBoss Servers administration tasks such as installing, configuring, monitoring and performance tuning.
• Monitoring and managing SOA Components by using the Oracle Enterprise Manager Admin Console to perform administrative tasks.
• Deploying, Configuring and Monitoring SOA composite applications.
• Tuning and configuring Oracle SOA Suite 11g environment for high availability.
• Monitoring Weblogic/JBoss Server health and security.
• Performed J2EE application deployment and administration including JAR, WAR, and EAR files.
• Installed and configured Apache HTTP Server 2.x Web Servers in various environments.
• Performed migration and up gradation tasks like upgrading Weblogic server 9.2 to Weblogic 10.3.6 and updating JDK's and installing service packs and patches for Weblogic Server.
• Worked with different teams to automate and improve the migration process.
• Configured and administered JDBC data sources/multi data sources on Weblogic 10.3.6.
• Involved in monitoring error logs, troubleshooting and fixing the problems.
• Implemented security by configuring Secured Socket Layer (SSL) for client authentication and data encryption.
• Developed and maintained Shell scripts and WLST that facilitate the Administration of Oracle Weblogic 9.2/10.3.6.
• Created and Configured Data Sources for database connectivity and JMS resources.
• Used Configuration 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).
• Worked on tuning Application Server, and Web Servers by changing the Heap Size parameters and tuning JVM's Garbage Collector.
• Developed and ran UNIX shell scripts and implemented auto deployment process.
• Troubleshooting with Thread and Heap analysis using Samurai thread dump, TDA and Heap Analyzer for detecting blocking and locked threads.
• Active involvement in monitoring the server performance, network traffic to reduce performance bottleneck.
• Experience in working with Toad to run basic production support queries.
• Supported developers and QA by maintaining test environments and configuring application servers to development specifications.

Environment: Weblogic Server 9.2/10.3.6, JBoss 6, SOA Suite 11g, OSB 10g, JDK1.6, J2EE, JSP, Servlets, EJB, LDAP, JDBC, XML, Apache, UNIX, Red Hat LINUX, Oracle9/10gi, Win2K.

Confidential, Warren, NJ

Sr. Weblogic/Middleware Administrator

Responsibilities:

• Install, configure and administration of BEA Weblogic Application Server 9.2/10.3/11g on SUN Solaris 9.0/10.0 and Windows environment.
• Maintained BEA Weblogic Application Server on different UNIX platforms and have setup development, testing, staging and production environments for the ongoing application development.
• Installed Weblogic servers, configured domains for deploying retail applications.
• Installation, Configuring, troubleshooting and maintaining the Weblogic9.x/10.x/11g and Apache web server.
• Working on Daily builds Using Shell Script and Ant Script to extract code from Version Control.
• Deployed applications (Web-Based/E-Commerce related) on multiple Weblogic Servers and maintained Load balancing, high availability and Fail over functionality (disaster recovery).
• Created the connection pools, various data sources, JMS connection Factories, Queues and topics.
• Installed and Configured JBoss Application Server 4.3 GA on Red Hat Linux 5.5.
• Deployed different types of applications like WAR, JAR and EAR files in Weblogic 8.x/10.x and JBoss 4.3.
• Actively involved in the upgrade of portal, from BEA AquaLogic User Interaction to Oracle WebCenter Interaction.
• Experience working with Oracle WebCenter Portal in order to enhance existing applications.
• Monitored JBoss application server resources using Wily Introscope.
• Creating the Oracle WebCenter portal related tables in DB2.
• Created data sources, JMS servers, JMS destinations for JBoss 4.1.0.
• Configured plug-ins for Apache HTTP server and Sun One Web server to proxy the request for JBoss server.
• Experience working with Oracle WebCenter Portal in order to enhance existing applications.
• Involved in writing and maintaining WLST scripts for domain creation and application deployment.
• Configured and administered JDBC connection pools, multi pools and data sources.
• Installed and Configured JBoss 6.0 in DEV, PPE, Prod Environment and provided support.
• Configured Execute Threads, Connection Pools and JMS Bridges etc. for different components of the retailed applications.
• Configured BEA Weblogic on a single Server and cluster environment.
• Managed Confidential ’s web servers that run on Linux
• Managed Apache httpd for more than 200 partner websites
• Responsible for maintaining mod security filters to block various cross-site scripting attacks
• Managed and Monitored JVM performance by Weblogic Heap Size, garbage collection, JDBC Pools.
• Developed scripts (start, stop, backup & recovery processes) for web application server administration.
• Worked on Memory related issues, application leak or Weblogic leak or SUN java bug. By tuning and profiling the memory with third party tools.
• Administered Web Center Portal version 11g
• Responsible for deploying J2EE applications on Weblogic and on Web Center portals
• Experience with virtualization using VMware
• Responsible for using VMware ESX Server / Virtual Infrastructure configure Cluster Pools and Resource Pools
• Deployed WARs, EARs using Weblogic Admin Console and wrote UNIX & WLST scripts to perform automated deployments.
• Provided WLST and configured various Weblogic components/services via Jython script.
• Responsible for writing WLST scripts to monitor domains, recycle clusters, monitor disk space, monitor number of Apache connections
• Migrated Applications between JBoss and Weblogic Application servers
• Responsible for packaging, release and build issues for a J2EE based system
• Investigated the root causes for issues related to server performance like crash, hang etc and application performance (slowness etc)
• Auto deployment of several applications using ANT build scripts, UNIX shell scripts
• Experienced in recording the required URL’s in Wily CEM and monitoring their performance.
• Installed Wily Power packs Such as Leak Hunter, Error Detector, Weblogic Portal, Web Server etc.
• Prepared documents for production and business production environments.
• Responsible for application changes across different platforms- Development, QA and Business production and Production environments.
• Involved in build and deployment support for Integration Testing, Staging, Pre- Production, Production, Post Production.
• Involved in 24/7 support for production environments.

Environment: SUN Solaris,Windows 2003 server, Linux, Apache Httpd, Weblogic Application Server, Web CenterPortal, Sun One 6.1, Windows (95, 98, NT, 2000, XP), wily Introscope, Shell Scripting, Oracle 9i, Site minder 4/5/6.

Confidential, Atlanta, GA

Weblogic Administrator

Responsibilities:

• Installing application software in Test and Production environment by ensuring the integrity of the certified release of the software.
• Configuration of Weblogic clusters and deploying J2EE applications in the Cluster in a production environment.
• Deployment of J2EE Web Applications, EJB components and Enterprise applications (WAR, JAR and EAR files).
• Deployed J2EE Web and EJB modules using Ant tool, Weblogic Command Line and Weblogic Admin Console.
• Installed and configured Apache 2.2 in different environments.
• Extensively worked on HP OVO monitoring tool for setting up alerts and triggers in different environments.
• Performed installations, upgrades in Weblogic server from 8.1 to 9.2.
• Used WLST scripts to monitor the JVM heap size, JDBC and JMS resources
• Developed menu driven scripts for Code drops, Software installations and Sever recycle.
• Involved in writing and maintaining shell scripts for log archival taking backups and monitoring disk space.
• Used TeaLeaf on BEA Weblogic 8.1 platform for Superior Application Management.
• Successful implementation of BEA Weblogic, including foreign JMS Server integration using Tibco EMS.
• Developed and maintained applications tools that build and deploy and automate and streamline code management and product delivery process using SVN (Sub Version)
• Created shell scripts for automatic deployment using Weblogic Deployer utility.
• Configuring database connectivity using JDBC and Configured Weblogic Virtual hosts.
• Integrated new Weblogic server (WLS) features into Weblogic Portal product (built on WLS), primarily JAAS based authentication, and WLS server based authorization and user management.

Environment: Weblogic 8.1/9.2/10.x, Weblogic Portal 9.x, Apache 2.x, CVS, Windows 2008/2003/XP, RH Linux 5.x, WLST, Perl, Oracle 8i/9i/10g,11g, Java, J2EE, JSP, Servlets, EJB, XML, JDBC, HTML, Shell scripting, Samurai & Tibco.

Confidential

Weblogic Administrator

Responsibilities:

• Acted as a Lead and successfully upgraded the environment from one server to a server farm (Tomcat and Weblogic).
• Installation and configuration of BEA Weblogic Server 10 in development, staging, preproduction and production environments.
• Configured multiple domains on Weblogic in order to deploy various applications.
• Configuration and clustering of Weblogic Application Servers and on web servers running on tomcat
• Configured connection pools, data sources for JDBC connections on Tomcat and Weblogic based servers.
• Configured a highly complex multi-product provisioning system based on Oracle Weblogic platform
• Deployed applications on multiple Weblogic server instances maintaining Load Balancing (using Big-IP F5) and High-Availability.
• Installation and configuration of multiple Apache Tomcat instances as a service on development, staging, preproduction and production environments.
• Tuned memory parameters for newly installed servers.
• Used the Weblogic Scripting Tool (WLST) - (Online and offline WLST) to configure, create and deploy applications to various Weblogic Server Domains.
• Responsible for using WLST to check the status of WL Servers
• Assisted with and implemented a migration from Tomcat to Weblogic Application Servers
• Deployed applications on Apache tomcat application server instances in all the respective environments.
• Load balanced Tomcat with Apache HTTP server with mod jk module for evenly spreading traffic across the multiple servers.
• Java performance testing and troubleshooting (JConsole, JRockit Mission Control, JProfiler).
• Migrated applications from JBoss to Weblogic Application server.
• Created monitors on perfmon performance monitoring tool in order to check the memory and CPU utilization.
• Testing the application servers with Junit.
• Responsible for configuring Secure Sockets Layers (SSL) for data encryption and client authentication
• Implemented Single Sign On for security
• Wrote Batch scripts in order to install the application server as a windows service.
• Troubleshooting emerging application issues.
• Experience working with Clear Case on unix platform, Clear Case explorer
• 1- way SSL and 2 - way SSL configuration using File Transfer Protocol(FTP)
• Implemented Security and configuration of LDAP, configuring Multi Master and Single Master configurations and replications for iPlanet Directory server 5.1 (SUNONE Directory server).
• Developed and maintain Administrative guides for various applications to help support, train and troubleshoot issue. Involved in gather and reviewing requirements for new projects
• Provided engineering, design, and support for the organizations Site minder Infrastructure which was built around Active Directory for both Internal and External Users
• Familiar using Continuous Integration Servers like Hudson to monitor execution of repeated jobs
• Recommended the management about the proxy servers that can be used as web servers.

Environment: BEA Weblogic 8.1, 10.01, Tomcat 6.0 on Windows 2003 platform, Apache web server Perfmon, Jprobe, Junit, JRockit mission control (JMC), IMC Monitoring tools, Site minder 4/5/6

Confidential

Weblogic Administrator

Responsibilities:

• Installed and configured Weblogic Server 8.1 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 Node Manager to start and stop servers from admin console.
• Configuration and Application Deployment using WLST.
• Developed UNIX shell scripts and WLST scripts to start/stop admin and manage servers and to deploy different applications like .war or .ear files.
• Deployed the applications on multiple Weblogic Server and maintained Load balancing using Big-IP F5 Load balancers, High availability and Fail over functionality.
• 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.
• Configured and setup Secure Sockets Layers (SSL) for data encryption and client authentication
• Implemented Single Sign On for security
• Redesigned and upgraded companies Site minder Infrastructure to new version and deployed into a highly redundant and sustainable solution.
• Improved Site minder Policy Server uptime which had to be rebooted nightly to deal with a poorly designed solution. Policy Server uptime went from only every 24 hours before restart to being done only when patches were rolled out that impacted the servers or quarterly whichever came first.
• Involved in bridge calls for troubleshooting.
• Responsible for writing ANT build scripts, UNIX shell scripts for auto deployment of applications
• Provided 24x7 on call production support.
• Worked closely with development team to troubleshoot ongoing issues in applications.
• Created scripts to deploy applications from command line and automate log archiving.

Environment: BEA Weblogic Server 8.1 SP4, Apache HTTP Server, Sun Solaris 8 and 9, Windows 2000/NT, Oracle 9.x, SQL Server 2000, Site minder 4/5