SUMMARY

• 7 years in the field of IT and in BEA WebLogic Server administration in Development, System Integration, QA, and Production environments under cross platform consisting of Windows, Red Hat Linux, AIX and Sun Solaris operating systems.
• Extensive experience in Installing, Configuring, Tuning and troubleshooting of Weblogic Server 8.1, 9.2 and 10.x in various environments.
• Expertise in the Administration, Installing, Configuring Web Servers like Apache 2.0, JBoss 4.x/5.x, Tomcat.
• Proficient in Shell scripting and performance tuning of UNIX systems with proven skills in UNIX System Administration.
• Solid experience in developing and deploying the applications on multiple WebLogic Servers and maintaining Load balancing, High availability and Failover.
• Configured WebLogic domains using WLST.
• Expertise in deploying Enterprise Java Beans and J2EE Applications (WAR, JAR and EAR) on BEA WebLogic 10.x/9.2/8.1/7.0 and Tomcat application servers.
• Expertise in migration and upgrading of WebLogic Server and updating JDK versions and installing Service Packs of WebLogic server.
• Worked with Relational Databases like Oracle, Sybase, DB2, and MS SQL Server.
• Extensive experience in configuring and managing secured environments using SSL and digital certificates.
• 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 and administered JDBC Connection pools, JMS Connection Factories, Weblogic queues and topics and implemented other services like JTA, JNDI, Virtual Hosting and SNMP.
• Proficient in providing backup and recovery procedures for Oracle WebLogic Server.
• Hands - on experience in configuring Active Directory and Sun ONE Directory Server to add and manage users in Sun IDM.
• Extensive hands-on experience with WLST (WebLogic Scripting Tool) and UNIX Shell Scripts for various WebLogic Server tasks, monitoring statistics and running them as Cron jobs.
• Extensive experience in finding the Memory Leaks and tuning the JVM Heap Size by configuring Optimize IT and JProbe, JRMC to detect memory leaks.
• Configured Web Server plug-in (APACHE) for WebLogic application server.
• Expertise in configuring Node Manager to administer the Managed servers.
• Good noledge of tools like IBM Rational ClearCase which improves team productivity and efficiency.
• Working noledge of BMC Remedy Change Management tool.
• Good experience in configuring BIG IP F5 Load balancer.
• Involved in doing a performance benchmark of WebLogic server by using Load Runner.
• Configured and handled JMeter and monitored the performance of productionJ2EE components such as EJBs, JSPs and Servlets.
• Good noledge of Siteminder, Wily Introscope and integrating to WebLogic.
• Implemented security and configuration of LDAP, Netscape Directory Server, and Siteminder single sign-on configurations.
• Provided 24/7 on call support to the development team in both testing and production environment, and analysis (troubleshooting) of log files to resolve issues.

TECHNICAL SKILLS

Programming Languages: SQL, PL-SQL, Java

Middleware: BEA WebLogic Application Server 6.x./7.x./8.x./9.x/10.x., Apache-HTTP Server 1.3/2.0/2.2, 5.x, Apache Tomcat 5.x/6.x, JBoss 4.x/5.x/6.x/7.0 Oracle RAC, Sun One Webserver 6.x (iPlanet 6.0), MS IIS server 4.x/5.1/6.0, IBM MQ-series, MySQL

Operating Systems: UNIX, Solaris, Red Hat LINUX, HP-UX, Unix-AIX, Windows 98/2000/NT/XP/VISTA.

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

Web Technologies: JDK 1.4/5/6, HTML, XML, DHTML, MSXML, ASPX, Eclipse.

Performance Monitoring &Testing Tools: Wily Introscope, JMeter, JProbe, Mercury Load Runner, Win Runner, Grinder, Samurai, Oracle Identity Management, RSA Access Manager and Identity Manager, TDA, Sitescope

Scripting Languages: WLST, UNIX Shell Scripting (Bourne, Korn, C and Bash), LINUX, Perl Scripting, PHP Scripting, ANT Scripts.

Packages: JDK 1.1/1.2/1.3/1.4/1.5/6 , JSDK 2.0, J2EE

IDE’s/Utilities: Eclipse, Weblogic Workshop, MS Visual Studio 2005, SSH, OpenSSL, Putty, and WLST.

Database: Pointbase, Oracle 8i/9i/10g/10.x, MS SQL Server, My SQL, MS Access and DB2.

Networking& Protocols: TCP/IP, Telnet, HTTP, HTTPS, FTP, SNMP, LDAP, DNS, DHCP, ARP, SSL, IDM 6.0 and 7.0

PROFESSIONAL EXPERIENCE

Confidential, Wakefield, MA

Sr. Middleware/Weblogic Administrator

Responsibilities:

• Installed, configured and administered Weblogic Application server 8.x/10.x in clustered environment and maintaining failover, load balancing and high availability.
• Installed, Configured and administered JBoss as 4.x/5.x.
• Performed migration and upgrading from Weblogic server 8.x to Weblogic 10.x.
• Installing service packs and patches for Weblogic Server.
• Installed and configured Apache HTTP Server 2.x and Sun one web server 6.x.
• Installed and configured plugins for Apache HTTP server and Sun one web server to proxy the request to Weblogic server.
• Created Nodemanager to startup and shutdown managed servers remotely in a domain.
• Implemented security by configuring Secured Socket Layer (SSL) for client authentication and data encryption.
• Deployed various J2EE applications (WAR, JAR, EAR) on managed servers in clustered and non-clustered environment.
• Configured JNDI, JDBC Connection pools, multi pools, and data sources.
• Created JMS server, Connection factory, Message Bridge, Topic/Queue, and Distributed destinations.
• Monitored the performance of Weblogic servers and JVM with Wily Introscope.
• Analyzed thread dump to tune performance of JVM by setting parameters for heap size and garbage collection.
• Analyzed heap dump to find memory leaks.
• Installed and configured me-Planet LDAP Server and integrated it with WebLogic Application Server.
• Configured Siteminder for single sign-on.
• Worked with F5 load balancer team to increase throughput, performance, and availability of Weblogic servers.
• Experienced in analyzing the proxy server log in comparison with Weblogic logs to narrow down the malformed request.
• Wrote scripts to monitor domains, recycle clusters, monitor disk space, and monitor number of Apache connections.
• Monitored error logs for troubleshooting and reading logs for information.
• Developed UNIX shell scripts, ANT scripts and WLST script for auto deployment process and health monitoring of Weblogic servers and ran them as cronjobs.
• Solved server hang issues such as Deadlock, Application and Database level lock by taking thread dump and analyzed to get the root cause of the hang
• Implemented standard backup procedures for both application and Weblogic server.
• Involved in assisting QA team in Load and Integration testing of J2EE applications on WebLogic Server.
• 24/7 on call production support.

Environment: BEA WebLogic 8.x/10.x, JBoss 4.x/5.x, Apache 2.x, Sun one 6.x, Solaris 9.x/10.x, RHEL 5.x, Windows 2003, UNIX, Apache plug-in, Windows IIS plug-in, Siteminder, me-Planet LDAP server, JDK 1.x, JRockit, F5 Loadbalancer, Oracle, J2EE, JDBC, JMS, EJB, JSP, Servlets, XML, OpenSSL, Secure SSH, ANT, WLST, Wily Introscope.

Confidential, Phoenix, AZ

Weblogic/JBoss Administrator

Responsibilities:

• Installed, Configured and Administered WebLogic 8.1/10.0 in clustered environments.
• Responsible for handling the Support Incident Database - the online ticketing system.
• Configured domains, clusters, JDBC Connection Pools, Data sources, JMS Servers.
• Deployment and troubleshooting of JAR, WAR, and EAR files in clustered environment.
• Involved in monitoring mission critical applications using tools like Introscope and Sitescope.
• Design, Configuration and Testing of IBM MQ 6.0 Series as a foreign JMS with WebLogic Server.
• Configured LDAP using Netscape directory Server for user authentication.
• Installed the WebLogic Service Packs, WebLogic Patches.
• Involved in Migrating the setup from WebLogic 8.1 -> 10.0.
• Configured the reliable HTTP Session management for clustered applications, DNS, FTP and Virtual hosts.
• Installed and Configured Sun One Web Server 6.1 to proxy with WebLogic Server.
• Worked with Remedy change management tool to increase the availability of business critical systems and speed the implementation of changes.
• Provided backup and also provided the recovery steps for protection from the most common failure scenarios.
• Installed and configured JBoss 4 and integrated Apache Web Server to work with the Application Server.
• Installed and configured JBoss Server 4.x, Apache HTTP Server 5, and Tomcat 2.2.20 in various environments.
• Configured BIG IP F5 Load balancer to provide high scalability, availability and reliability.
• Renewed WebLogic certificates, also installed the new certificates for the newly created regions.
• Developed scripts for automatic startup and shutdown of Admin Server and Managed Servers.
• Actively handling the on-call pager for Production-related issues on weekly rotations within the team.
• Tuned TCP/IP, JVM’s, Garbage Collections, Java Stack and Native Thread.
• Resolved complex issues related to subsystems such as Plug-ins, Security, JDBC, Clusters, EJB, Web Apps, Mail Session, XML registries, JMS, Server and Domain Migrations and JDBC Drivers.

Environment: WebLogic 8.1/9.2/10.0 , Apache 2.0, SunOne 6.1, IBM MQ 6.0, Oracle 9i/10g, IBM-DB2, JBoss 4.x, Oracle IDM, Solaris 9/10, F5 Load Balancer, Introscope, Sitescope, Siteminder, LDAP, BMC Remedy.

Confidential, Dallas, TX

Weblogic/JBoss Administrator

Responsibilities:

• Installed, configured, integrated, tuned and administered WebLogic 11g/12c, R1/Tomcat 6.0 in various environments viz. DEV, QA, UAT, PRE-PROD and PROD.
• Installed Configured and support Oracle Weblogic Portal in DEV, Test, PPE, PROD environments.
• Experience in Web-based applications, SOA (Services Oriented Architectures) and Web application servers (WebLogic).
• Extensive experience with RedHat Linux 5.6 and Experience in WLST and Jython scripts for repeated Weblogic administration activities.
• Configuring JBOSS global security and enabling security between webserver and appserver.
• Set up cluster environment for WebLogic Server integrated with multiple workflows.
• Installation, configuring and tuning of Apache web servers in Linux environments.
• Created WebLogic WLST scripts for automated deployments and start/stop of servers
• Installed and Configured IBM Websphere 6.0 in DEV, Test, PPE, PROD environments and provided support.
• Installed Weblogic Application server 8.1/9.2/10.3 and JBOSS using graphic and silent mode and configured the Weblogic domain.
• Competency in Oracle database structures and SQL and experience in WebLogic administration in Red Hat Linux environment including installation, configuration, tuning, and deployment of applications.
• Configured and Integrated IBM MQ 6 with Weblogic Application server for PSSHOME application and provided support.
• Configured and worked with Apache SSL modules in the process of installing SSL certificates on to the Web and Application servers.
• Configured Vendor Portals for J2EE Web Services and also provided support.
• Performed Data Center Migration from HAWC to HERITAGE and troubleshot the issue.
• Configured Apache 2.2 on different physical and virtual boxes in various environments to handle the static content.
• Installed and Configured Siteminder Policy Server 6.0 on DEV, Test, PPE and PROD and provided support for TWH application.
• Configured Oracle OSB 11.1 in a Clustered Environment. For the GSI application and provided support.
• Configured Oracle OSB 11.1 as a proxy service for the JTA Transactions.
• Used SOA-Direct Transport with Oracle SOA suite 11g.
• Installed and configured OEM 11g and created business work flows and monitored the applications
• Created Dashboards in WILY Introscope and monitored JVM instances for J2EE applications.
• Worked as 24/7 Production analyst on a bi-weekly basis.
• Worked on load balancing, failover and clustering with multiple Tomcat instances.
• Wrote Shell scripts that grab images from remote servers onto local servers using rsync utility for the performance test environments.
• Updated Shell scripts to monitor installed enterprise applications and to get information from the logs and database in the required format and other daily activities and jobs.
• Monitored enterprise ecommerce applications using Java Monitoring and Management Console (JMX).
• Updated Perl scripts for the automation of startup and shutdown process.
• Analyzed server performance data and identify all sources of problems and recommend course of action to increase performance.

Environment: JDK1.6, J2EE, Sun JVM, Servlets, EJB, JDBC,MDB, JBoss 4.x/5.x, XML, Oracle10g, WebLogic Server 10.3,11g/12c,Tomcat 6.0, Win2003, Solaris 10.0, RHEL 5, Apache2.2,eDNS, TCP, HTTP, SNMP, SOA.

Confidential, Bridgeport, CT

WebLogic/Tomcat/Apache 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.
• Configures connection pools, data sources for JDBC connections.
• Deployed applications on multiple WebLogic server instances maintaining Load Balancing 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.
• 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.
• Extensively involved in performance tuning and monitoring of various applications. JVM profiling with the halp of third party tool jprobe.
• JBoss installation, configuration and administration on windows based platform.
• Deploy applications on JBoss application server.
• Created monitors on perfmon performance monitoring tool in order to check the memory and CPU utilization.
• Testing the application servers with Junit.
• Wrote Batch scripts in order to install the application server as a windows service.
• Troubleshooting emerging application issues.
• Recommended the management about the proxy servers that can be used as web servers.

Environment: BEA Weblogic 8.1, 10.01, JBoss, Tomcat 6.0 on Windows 2003 platform, Apache webserver, Perfmon, Jprobe, Junit, IMC Monitoring tools

Confidential

System Administrator/Application Support

Responsibilities:

• Designed and developed the user interface using JSP, Servlets, XML and Java
• Developed Java Server Pages for both business logic and GUI development
• Developed Java Bean components to communicate with JSP
• Developed applications using JSPs and EJBs for Weblogic application server 5.1
• Involved to develop forms using HTML and Java Script
• Developed database connection through JDBC drivers
• Installed Weblogic 6.1 application server on Sun OS 5.8 and development, staging and production environments
• Configuring multiple Weblogic domains
• Configured Weblogic server with iPlanet web server through Weblogic’s proxy plug-in
• Configured managed server instances on different machines and clustered all the managed servers
• Created the startup and shutdown scripts for the servers
• Upgraded the Weblogic servers with necessary patches and service packs
• Created the connection pools, data sources, JMS servers, JMS destinations
• Deployed different application WAR files, EJB JAR files and enterprise application archives (EAR) on Weblogic 6.1
• Designed HTML, JSPs for front-end templates
• Business validations performed using JavaScript
• Developed servlets for main business logic implementation
• Developed JDBC code for accessing data from the database

Environment: BEA Weblogic 7.0, 8.1, Linux, AIX, Apache Webserver, Microsoft IIS, Wiley interscope Monitoring tool, JBuilder, IntelliJ, Eclipse