SUMMARY

• Seven Plus years of IT industry experience with 5+ years of experience in BEA Weblogic Application server 8.x/9.x/10.x/11g/12c administration under heterogeneous environments - RHEL, SUN Solaris and Windows 2008/2003.
• Expertise in Weblogic Application Server Administration including installing, configuring, migrating, load balancing, deploying applications, performance tuning, upgrading, and maintenance of Weblogic Server.
• Strong experience with Oracle Service Bus 3.0 administration
• Experience in configuring and administration of clustering, connection pools for JDBC, JMS connections, security.
• Extensive Experience in Installation (Manual/Automated), Support, Upgrades, Deployment and Application Configuration/Integration of Weblogic 9.x, 10.x,11g, 12c
• Strong experience with Web servers such as iPlanet Webserver 6.1SP5 /Sun one web server and Apache Server 2.2.x
• Involved in the design and Capacity planning for achieving scalability and high Availability for Intra/ Internet applications.
• Deployed proxy and business services using Aqualogic/OSB console
• Strong Experience with setting up software level clustering, load balancing for different web, application servers
• Developed J2EE Webservice interfaces to communicate with .NET applications.
• Involved in configuring proxy plug-ins for both Sun one web server and Apache to the backend Weblogic application server.
• Experience in Installing and Configuring external LDAP Servers using Microsoft Active Directory and IPlanet.
• Installed and configured Sun ONE, Apache and IIS Webservers.
• Well versed in writing WLST and UNIX Shell Scripts and automating administration tasks
• Configured SSL and created Digital Certificates for secured communication between applications.
• Experience in configuring, performance monitoring and load testing using Wily Introscope, LoadRunner and Jmeter.
• Vast Experience in performance monitoring and performance tuning of WebLogic server by tuning JVM Heap Size and Garbage Collector parameters.
• Experienced in analysis of thread dumps, core dumps, server hang and high CPU utilization conditions.
• Experience working with databases like DB2, Point base, SQL Server, Oracle and Sybase.
• Created and configured SSL Certificates for secured communication between applications using Keytool.
• Provided 24/7 support for production environment.
• Strong networking background with good understanding about Network LANs, Firewalls, Proxies, Reverse Proxies, Front end and back-end DMZs and the dependencies involved with setting up of the WebLogic and Web Servers.
• Excellent problem solving skills with a strong technical background and good communication and interpersonal skills. Self motivated and a good team player.

TECHNICAL SKILLS

Operating Systems: Red Hat Linux 4.0/5.0, Solaris 8.x/9.x/10.x, HP-UX, IBM-AIX and Windows 98/2000

Programming/ Scripting Languages: Java, C, C++, HTML, DHTML, XML, XSL, JavaScript, SQL, SHELL scripting, WLST, PYTHON scripting.

J2EE Technologies: JSP, Servlets, Java Beans Struts, JDBC, JTA, JNDI, JMS, XML, RMI, EJB, Web services.

Application Servers: BEA WebLogic Application Server 8.1./9.2/10. x/11g/12c, Apache Tomcat 5.x, Jboss 5.x

Web Servers: Apache-HTTP Server 2.x, Sun One Webserver 6.x, MS IIS server 7.x

Tools: Wily Introscope, Clearcase, Oracle SOA, BMC patrol, ANT, JRockit management Console, Load Runner, Maven, Siteminder, TDA, Jhat, Jprofiler, Samurai, MS Visio, MS Office, Dreamweaver, UML, Adobe Photoshop

Performance monitoring and testing tools: Wily Introscope, Jmeter, Mercury Load Runner, Win Runner, Grinder, Samurai, JRockit management Console, JHAT, TDA.

Packages: J2EE, JDK 1.4/1.5/1.6/1.7

Databases: Oracle 9i/10g/11g, MS Access, Sybase, IBM-DB2, SQL Server.

Version Control: Rational ClearCase, CVS

Networking & Protocols: TCP/IP, Telnet, HTTP, HTTPS, Ping, Tracert, FTP, SNMP, LDAP, DNS, ARP, SSL, RMI.

PROFESSIONAL EXPERIENCE

Middleware Administrator

Confidential, Ashburn, VA

Responsibilities:

• Provided 24x7 Support for major applications that involved troubleshooting issues in application components, application servers, web servers, integration environments, load balancers and DNS aliases.
• Installed, configured, standardized, implemented and supported BEA Products Weblogic 10.x/11g/12c, Tomcat 6.x, Apache 2.2.x Web server binaries for different versions and related components across all environments.
• Coordinated production outages and facilitated resolution by working with several teams like UNIX, Network, Database, Infrastructure and Application teams.
• Strong experience with Oracle Service Bus 3.x administration
• Administered Weblogic 10.x/11g/12c, Apache 2.2.x and Tomcat 6.x across all environments.
• Automated the installation of middleware products by maintaining a central image server through and thereby ensuring consistent product images across environments
• Automated decommissioning of applications to maintain a clean server environment.
• Performed Quarterly Disaster Recovery testing by using documented procedures both at the application tier and DB tier.
• Involved in automating routine weblogic server configurations using ant/wlst based tool.
• Configured/Deployed Business services, Proxy Services, Service accounts, JNDI Providers using ALSB console/OSB console
• Monitored the capacity of the production environments constantly using nagios access log parsing mechanism and implemented graphs to display the same.
• Performed environment variables replacement with ALSB/OSB Console
• Involved in fine tuning the performance of critical applications both vertically and horizontally.
• Involved actively in troubleshooting application issues by analyzing the performance metrics from Weblogic console, thread dumps and polling certain key mbean attributes using wlst.
• Gathered Solaris OS specific information that uses vmstat, prstat, iostat and thread dumps during the troubleshooting
• Configured proxy plug-in for weblogic under Sun One/IPlanet and Apache web servers. Fine tuned plug-in parameters like WLIOTimeoutSecs.
• Worked extensively to determine heap size limitations, analyzed higher memory footprints and collect baseline performance metrics.
• Configured Wily as a monitoring tool for some critical applications. Analyzed the data from Wily to troubleshoot performance issues and determine time consuming components.
• Integrated Weblogic with Active LDAP Plug-in as authentication provider. This facilitated administrators to log into weblogic consoles using their LDAP ids and eliminated the usage of shared ids.
• Established domain trust between domains that require communication. In some cases eliminated the domain trust by configuring explicit authentication.
• Automated deployments and configurations to weblogic server.
• Worked closely with BEA to resolve products issues/bugs and acquired patches for the same.
• Involved in the implementation middleware infrastructure on the VMware environments.

Environment: Weblogic Server 10.1/11g/12c, Solaris 10, RHEL 5.x, F-5/Cisco Load Balancer, WLST, Wily Introscope, Sun One 6.1.5, Apache, Web Services, Oracle 11g, Nagios

Sr. Web Engineer

Responsibilities:

• Installing and Configuration of WebLogic Server 10.x/11g in the development, testing and production environments.
• Developed installation and domain creation scripts for WebLogic Server maintenance in the development, Staging & production environments.
• Created clustering architecture for the WebLogic Managed Server's for fail-over and Load balancing the application requests
• Created Jboss 5.2.x non-clustered and clustered environments for the applications using default and all profiles
• Integrated weblogic with Oracle RAC clustered instance using multi Datasources and validate both fail over and fail back scenarios.
• Created the JMS infrastructure using weblogic console by creating JMS Servers, JMS Modules and targeting to specific JMS Servers.
• Deployed datasources and applications onto jboss container using hot deployments by copying the artifacts onto deploy directory
• Configured SSL certificates both at the apache web server layer as well as application server layer.
• Authored weblogic “wlst” scripts to gather weblogic security related auditing data
• Configured proxy plug-in for weblogic under Apache web servers.
• Implemented binding service in Jboss server configuration and so multiple jboss instances can run on the same server with minimal changes to the configuration files.
• Deployed the applications using weblogic console using automated wlst scripts.
• Performed strong analysis of DB connections usage by monitoring key metrics on the weblogic console
• Involved actively in troubleshooting the JVM crashes by analyzing the core dumps, other diagnostic artifacts and also worked closely with Sun Engineers to trouble shoot JVM issues
• Configured Wily as a monitoring tool for some critical applications. Analyzed the data from Wily to troubleshoot performance issues and determine time-consuming components.
• Involved in fine-tuning the performance of critical applications both vertically and horizontally.
• Integrated Weblogic with Active LDAP Plug-in as authentication provider. This facilitated administrators to log into weblogic consoles using their LDAP ids and eliminated the usage of shared ids.
• Implemented Shell scripts to perform the security auditing for all apache instances with respect to modules loaded and security configuration.
• Worked closely with the development team in recommending the WebLogic Server standards, deployment techniques and J2EE application standards.
• Researching and applying the necessary patches, jar files, service packs necessary for maintenance of WebLogic Server.

Environment: Weblogic Server 10.x/11g,Solaris 10, Jboss 5.2, RHEL 5, F-5 Load Balancer, WLST, Wily Introscope, Sun One 6.x, Apache, IBM MQ series, J2EE, Web Services, LDAP, EJB, JDBC, Linux, Oracle 10/11g.

Weblogic Consultant

Confidential, Sunnyvale, CA

Responsibilities:

• Installed, configured and maintained Weblogic server 9.x/10.x in domain and clustered environment.
• Configured and administered JDBC Connection Pools/ Multi Pools/ Data Sources on WebLogic Server, Tune, troubleshoot and implement best practices for JDBC and related components within weblogic server.
• Developed Scripts for deploying applications in different environments using weblogic.Deployer utility.
• Installed and configured Apache HTTP Server 2.x, IIS 7.0 and Sun One Web Servers in various environments to proxy the request for Weblogic server.
• Installed and configured LDAP server using Sun One Directory server for user authentication.
• Worked with development, offshore and onsite teams to support build and release cycles
• Performed Siteminder configuration for webservers.
• Deployed Aqualogic proxy jars in SB console.
• Used Keytool to Create SSL and Digital Certificates for secured communication between applications.
• Worked with Customized WLST, Ant and Shell Scripts to automate system-admin jobs.
• Designed an entire messaging interface and Message Topics using WebLogic JMS.
• Used Samurai, TDA and Heap Analyzer for Heap and Thread Dump Analysis for detecting blocking and locked threads.
• Worked with WebLogic WLDF console extension to do performance metric analysis on a daily basis.

Environment: Weblogic Server 10.x/11g,Solaris 9, ALSB, RHEL 5.0,F-5 Load Balancer, WLST, Jython, Wily Introscope, Apache, IIS, Oracle IDM, J2EE, Web Services, LDAP, EJB, JDBC, XML, Linux, Windows NT, Oracle 9i.

WebLogic Engineer

Confidential

Responsibilities:

• Administration and Configuration of WebLogic Server 9.x in Deployment and Production environments.
• Installed and configured Apache HTTP server 2.x to work with WebLogic Server 9.x.
• Installed, configured, integrated, tuning and administered WebLogic application server in various environments.
• Involved in upgrading from Weblogic Server 8.1 to Weblogic Server 9.x
• Created BASH and KORN shell scripts to monitor domains, recycle clusters, monitor disk space, monitor number of apache connections, send data files everyday to vendors and ran them as Cronjobs.
• Expertise in deployment and troubleshooting of JAR, WAR, and EAR files in clustered environment.
• Involved in Build and Release web applications using SVN (SubVersioN).
• Configured and administered JDBC Connection Pools/Multi Pools/Data Sources on WebLogic Server 9.x.
• Used config wizard and config builder extensively to create and manage WebLogic domains.
• Configured and monitored JMS Server in WebLogic.
• Monitored memory usage for applications using Wily Introscope.
• Provided 24x7 on-call production supports.

Environment: WebLogic server 8.x/9.x, JDK 1.4/1.5, J2EE, JDBC, Apache HTTP server 2.x, Tomcat 5/6,Sun One 6.1,Wily Introscope, Oracle 9i, MQ series, Solaris, Windows NT.

Web Engineer

Confidential

Responsibilities:

• Involved in requirement gathering.
• Prepared use cases based on initial requirements.
• Implemented MVC frame work by writing different configuration files.
• Developed Action Forms and Action Classes in Struts framework.
• Implemented different java design patterns like DAO, Singleton Pattern and MVC architectural design pattern for solving the architectural issues.
• Developed java codes to store, update and read data from database using hibernate.
• Developed data model with Tables, Views, and Indexes.
• Used JDBC and involved in writing stored procedure and PL/SQL for back end.
• Used Struts framework as controller part and developed business logics in model part using java.
• Applied different java design patterns to solve the problem.
• Designed front-end using JSP, DHTML, HTML, and Java Script.
• Performed java unit testing and integration testing.
• Prepared functional test plans and involved in testing.

Environment: Java, JDK 1.4, J2EE, XML, Log4J, Ant, Hibernate 2.0, Sybase, UNIX, Apache, Sun Solaris.