SUMMARY

• 7+ years of IT industry experience with extensive experience in Web Application server (WebLogic/ WebSphere) Administration, Red Hat JBoss (v5.1 - v6.0) Administration on Sun Solaris, IBM AIX, RHEL and Windows environments.
• Expertise in installation, configuration, troubleshooting and maintenance of Oracle Weblogic Servers 12c on different UNIX flavors and IBM WebSphere environments like Red Hat Linux, Sun Solaris
• Extensive working experience in setting up Weblogic cluster environment, including Weblogic Domains, Admin Servers, Managed Servers, Node Managers, Software Load Balancer and Hard ware Load Balancer
• Experience in Configuration and release management in DevOps support model using tools such as Puppet and Chef.
• Worked on installation of Automation tool Puppet.
• Ability to build and maintain build servers like Cruise Control, Hudson, Jenkins and repository tools like SVN and GIT.
• Good experience on Oracle SOA suite administration, installations, configuration, performance tuning and customization.
• Performed installation of Weblogic software binary across different environments using automated as well as manual procedures.
• Hands on experience on administrative tools like Administration console, WLST command line interface.
• Deploying J2EE Application archives (JAR, WAR, EAR and RAR) and Web - Based/e-commerce on Weblogic Application server.
• Involved in setting JBoss EAP 5.x/6.x environment across multiple machines with *domain controller* and host controller processes.
• Extensively worked on Oracle Weblogic Servers 12c, Apache http and Tomcat Servers as administrator for Server Installations, Configuration, Application components deployment, performance tuning including troubleshooting and maintenance.
• Strong experience in setting up and managing Oracle SOA and Oracle OSB environments.
• Experience in writing Scripts to handle complex automation / administration using Shell scripting, WLST using Python.
• Experience on Bourne Shell (Bash) scripts to automate some administration functions like log rotation.
• Implemented solutions with Weblogic for stand-alone environments using provided HTTP plug-ins for Apache and IIS
• Good experience in performance tuning exercises by tracking key metrics during load tests and suggested tuning for DB Connections, GC Parameters and heap sizes
• Configuration of monitoring tool (Nagios, Wily, HP BAC) for monitoring various services running on the servers and log monitoring tools like Splunk.
• Ability to find the memory leaks and adjusting the JVM heap sizes and GC parameters.
• Configured SSL certificates both at the Apache as well as Weblogic level.
• Involved actively in documenting/managing the issues knowledge base, standard procedures, on call issue log and following the change management process.
• Extensive experience in production environments, involved in performance tuning, tweaking the JVM parameter, threads, size of connection pools.
• Experience in working with Relational Databases like MySQL 5.0, Oracle 9i/10g, MS SQL Server.
• Experience in installing and configuring Apache HTTP Web server 2.0 and ANT.
• Monitored server resources using Wily Introscope, Jprobe, and OptimizeIT.
• Working knowledge of IBM MQ Series, Siteminder.
• Implemented security and configuration of LDAP, Netscape Directory Server, and Siteminder single sign-on configurations.ant
• Proven technical skills in Troubleshooting, Performance Tuning and Performance Monitoring of Weblogic Server.
• Provided 24/7 on call support for development and performance people.

TECHNICAL SKILLS

Operating Systems: Solaris, Red Hat LINUX, HP-UX, IBM-AIX, Windows 98/2000/NT/XP/Win7/Win8

Programming Languages: C, C++, JAVA/J2EE, JavaScript, SQL, PL-SQL, C#, HTML, CSS, ASP .NET

Application Server: WebLogic Server 8.1 (sp3 - sp6), 9.2MP2 & 10.0/10.3, 11g, 12c Apache Tomcat 6.x, 7.x, 8.x JBOSS 6.x/7.x, WebSphere 7.0,8.0,8.5, 8.5.5

Web Server: Apache 2.2, 2.4 Sun ONE 6.x, IBM-HTTP Server

Configuration Management tools: Chef, Puppet, Jira, confluence, uDeploy

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

Build and Release Management: Jenkins (CI/CD), SVN, Git, Nexus, Artifacts, Ant, Maven, and Rundeck.

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

Monitoring Tools: Wily Introscope, JMeter, JConsole, Mercury Load Runner, Grinder, Samurai, AppDynamics, Splunk, Oracle IAM, ClearQuest, Active MQ.

Databases: Oracle 8i/9i/10g, 11g, 12c, MS SQL Server 8.x/2000, Sybase, Pointbase, My SQL, MS Access and DB2

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

SDLC Methodologies: Agile (Scrum), Waterfall, RUP

PROFESSIONAL EXPERIENCE

Confidential, CA

Sr. Middleware/DevOps Engineer

Responsibilities:

• Responsible for administration, configuration and monitoring of JBoss EAP 5.2/6.3.2, WebLogic Application Server 10.0.x/11gR1/12C Environments on SUN Solaris 8/9/10 and RHEL 5.x/6.x
• Provided 24/7 on call support to the Production environment applications.
• Performance tuning with the help of monitoring tools such as HP open view, thread dumps analysis.
• Installed and configured various middleware packages such as WebLogic, Tomcat, Jboss.
• Install, maintain, upgrade and support enterprise wide J2EE applications in development, system test, QA, training and production systems running WebLogic application server on Red Hat Linux systems w/ Oracle 10G database.
• Installing and configuring JBoss in training environment for a development project.
• Installed/Configured/Managed Puppet Master/Agent. Wrote custom Modules and Manifests, downloaded pre - written modules from puppet-forge. Upgradation or Migration of Puppet Community and Enterprise.
• Managing Amazon Web Services (AWS) infrastructure with automation and configuration management tools such as Ansible, Puppet, or custom-built .designing cloud-hosted solutions, specific AWS product suite experience.
• Managed application configurable items for release specific activities in four release environments.
• Experience configuring SUN security agent and working knowledge of the Access manger.
• Used Oracle Identity Manager to Provide privileged account management to control access from shared accounts, ensuring enhanced security and compliance for sensitive systems
• Configuring policy agent for the applications on all the environments.
• Experience in setting up multiple domains, including machines, managed servers, node managers and clusters in all the environments.
• Implemented trusted devise functionality and risk Analysis using Riskminder.
• Installing and upgrading SSL certificates in QA and production environment.
• Expertise in installing, configuring and administration of Apache HTTP 2.0 Web Server and Sun Web Server (iPlanet 6.1).
• Troubleshoot environment and application issues using BEA WLS support patterns as the standard methodology and provide root cause summary to application stakeholders.
• Configured clustering, Data sources and connection pools for various applications on WebLogic application server.
• Responsible for configuring and administering of JMS connection factories.
• Extensive experience of setting up multiple cluster environment and deploying applications on the same.
• Up-gradation of WebLogic servers in development, testing, QA, training and production environment and applying patches.
• Worked on Web Security tools- LDAP Server, SSL Certificates.
• Worked on Physical to Cloud Migration in AWS.
• Integrated WebLogic and JBoss with Proxy servers(Sun One, Apache) and Authentication servers (Siteminder)
• Node Manager Configuration - remote managed server start and stop. SSL communication between admin server and node manager.
• Knowledge on distributed systems and the support of highly distributed deployment.
• Good knowledge of other web and applications servers like Sun java systems application server (Sun One application server) JBOSS, Apache.

Environment: BEA WebLogic 12c/11gR1, Tomcat 5.5/6.0, JBoss EAP 5.x/6.xApache 2.0.52 WebLogic plugin sp6 Sun one web server, SUN JES 5.0, SUNIDM, MQ series HP open view monitoring tool Oracle DB

Confidential, Houston, TX

Sr. Middleware/ DevOps Engineer

Responsibilities:

• Installed and configured JBoss 6.0 on different environments like Dev, Test, QA and Production.
• Configured database connectivity using JDBC and Connection pools. Oracle Application server 9i/10g was used in the backend.
• Solid background on Linux commands and shell/bash scripts.
• Automated and scheduled backups on all UNIX Machines using shell scripts.
• Performance tuning was done with respect to system, connection pools. Execute threads and JVM heap size.
• Deployed Puppet, Puppet Dashboard, and PuppetDB for configuration management to existing infrastructure.
• Develop domain monitoring java class using JMX to collect JDBC, JVM, and Execute Queue statistics for Managed Servers.
• Document and establish standard processes to ensure repeatability for J2EE administrators.
• Troubleshoot environment and application issues using BEA WLS support patterns as the standard methodology and provide root cause summary to application stakeholders.
• Provided Migration configuration for transactions, security, services, JMS servers and services while transitioning from development to production environment
• LDAP authentication for project access and roles has been created using Jenkins
• Performed Weblogic server 8.1.6/9.2/10.3 tasks such as installation, configuration, monitoring and performance tuning on Sun Solaris 8/10, Windows and Linux RHEL 4/5 platforms.
• Performed automated SCP&FTP releases for deployments using Jenkins.
• Installed and Configured Apache Tomcat 6.0 application servers on various environments like Dev, Test, Perf and Production.
• Created and managed Weblogic Domains and Node Manager using config wizard and WLST.
• Administered EJB Objects, setting up Jrockit IT/JDK, JNDI, JMS connection factories Queues and topics and IBM MQ series on Weblogic Server.
• Configured JDBC Connection Pools/Multi Pools/Data Sources with backend databases: Oracle 9i/10g. eea
• Deployment and troubleshooting of JAR, WAR, and EAR files on both stand alone and clustered environment in JBoss 4.2/5.0, Weblogic 8.x/9.x/10.x and Apache tomcat 6.0.
• Monitoring error logs, JVM heap size & Perm size, stuck Threads and tuning parameters using WLDF for optimization of Weblogic Server.
• Dealt with issues like Application Deadlock, High CPU, Server Hang-up and profiling the memory with third party tools like Jprobe, HP OVO and Optimize IT.
• Installed and ConfiguredWilyIntroscope 6.x/7.x for different domains and established alerts and reports that complete application monitoring dashboard.
• Configured and setup Secure Sockets Layers (SSL) for data encryption and client authentication.
• Configured BIG IP F5 Load Balancer for load sharing.
• Worked closely with network team and SSO - Single Sign On team while shaking down the upgraded Test and Production environments.
• Involved in doing a performance benchmark of Weblogic server by using Load Runner.
• Involved in Weblogic 8.x/9.x/10.x patches and service packs upgrade.
• Installed and configured Apache HTTP server 2.0, Sun One/Iplanet, Microsretail ft IIS 6 web server and configured proxy plug-ins for Weblogic Server 9.2/10.3.
• Involved in up-gradation of Weblogic 8.1 to Weblogic 10.3 and migration of Weblogic 8.1 to JBoss 5.0.
• Worked with Business activity monitoring (BAM), Oracle Business Process Management, and Oracle Security and Oracle Web Center Integration, installation/configuration.
• Used WLST, ANT and Jython for automatic deployment of applications.
• Created bash and korn shell scripts to monitor domains, recycle clusters, monitor disk space, monitor number of Apache connections, and ran them as cronjobs.
• Documented the issues, migration and upgraded patches for Weblogic servers and web servers.
• Involved with the development team in trouble shooting and fixing day-to-day problems of the applications in production environment.
• Provided 24X7 supports for production environments.

Environment: WebLogic 8.1/9.2/10.0 , Apache 2.0, SunOne 6.1, IBM MQ 6.0, Oracle 9i/10g, IBM-DB2, JBoss4, Oracle IDM, Solaris 9/10, F5 Load Balancer, Introscope, Sitescope, Siteminder, LDAP, BMC Remedy, Apache, ANT, Maven, Nexus, Perl Script, Korn Shell scripting, Jenkins, Buildforge, Visual Build Professional, UNIX, SVN/GIT, Windows XP, Java (GUI), VS, HTML, XML, Oracle 11g.

Confidential, Minneapolis, MN

Middleware/Weblogic /JbossAdmin

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 WebLogicService Packs, WebLogic Patches.
• Involved in Migrating the setup from WebLogic 8.1 -> 10.0.
• 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.
• 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.
• 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.
• Installed NetBeans 6.5 on Windows and configured to use Glassfish v2 ur2 and Jython 2.1 release
• Working with the team to develop Jython/WLST Scripts for automating deployments, control, and monitoring in WebLogic Server
• Extensively worked on Deployment/Hot Deployment and troubleshooting of components and applications in WAR, JAR and EAR formats in Domain and Clustered environments of BEA WebLogic server and AquaLogic Service Bus
• Migrated the production environment from a single JMS server to a clustered JMS server, analyzed the requirements, and then developed automated WLST scripts to satisfy the requirement.
• Installed, configured and maintained Apache Tomcat 5.5/6.0 with SSL and deployed the WAR applications on the server
• Installed and configured Apache HTTP Server plug-in to proxy the request from Apache HTTP Server to the WebLogic Server
• Configured Wily Introscope 7.0 and upgraded to Introscope 7.2.x for monitoring the performance of Weblogic servers.
• Setup and Configure the continuous build system using Hudson/Jenkins and running automation smoke / nightly test suites
• Performance tuning of JVM heap size, garbage collections, Java stack and Native thread and production performance
• Configured WebLogic Server instance as Multihome instance and troubleshooted Weblogic JDBC connection pool issues while trying to connecting MS SQL database server
• Involvement with the development teams in trouble shooting and fixing day-to-day problems of the applications on 24/7 schedule

Environment: WebLogic Server 9.2/10.3, Oracle 9i/10g, UNIX (Solaris 8/9.0/10.0, AIX 5.1, Linux), Python, ANT Script, BASH shell Windows 2003, SunOne IPlanet Web Server, MS IIS Webserver, Java, JSP, EJB

Confidential, Overland Park, KS

System Admin/Build and Release Engineer

Responsibilities:

• Install, configure and administration of BEA WebLogic Application Server on SUN Solaris 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 Weblogic and Apache web server.
• Working on Daily builds Using Shell Script and Ant Script to extract code from Version Control.
• Deployed applications (Service center etc.) on multiple Weblogic Servers and maintained Load balancing, high availability and Fail over functionality.
• Created the connection pools, various data sources, JMS connection Factories, Queues and topics.
• Configured Execute Threads, Connection Pools and JMS Bridges etc. for different components of the retailed applications.
• Configured BEA Weblogic 9.2 on a single Server and cluster environment.
• Managed and Monitored JVM performance by Web logic Heap Size, garbage collection, JDBC Pools.
• Deployed WARs, EARs using WebLogic Admin Console as well as running scripts.
• Provided WLST (Jython script) and configuring various WebLogic components/services via Jython script.
• Responsible for Development, UIT, SYTEM, UAT, STAGING Builds and Releases.
• Assist with maintaining current build systems, developed build scripts, and maintained the source control system.
• Responsible for CI environments (Jenkins, Nexus, Sonar)
• Developed build and deployment scripts using ANT and MAVEN as build tools in Jenkins to move from one environment to other environments.
• Enforced automation in build and deployment procedures, executed code builds and deployment activities.
• Deployed built artifacts to Websphere application server using maven and python scripts.
• Responsible for design and maintenance of the Subversion (SVN) Repositories.
• Managed the source codes repository of multiple development applications using Tortoise SVN.

Environment: Weblogic 9.2, JBOSS, iPlanet4.1, Sun One6.1, Sun Solaris, Windows (95, 98, NT, 2000, XP), wily Interscope, Shell Scripting, Oracle 9i, Subversion, Oracle Weblogic, ANT, Maven, Jenkins, Perl Script, bash Shell scripting

Confidential

WebLogic Administrator

Responsibilities:

• Installation, Configuration, Administration and Maintenance of BEA Weblogic Server 8.1/9.2 on Red Hat Linux and Windows Operating systems.
• Design and develop JDBC connection objects for the data retrieval and update.
• Deployed the applications on multiple Weblogic Servers and maintained Load balancing, high availability and Failover functionalities.
• Used JProbe, Wily Introscope for detecting and debugging memory leaks for performance tuning.
• Implemented security and configuration of Siteminder single sign-on configurations and replications for MS Active Directory server.
• Configured Node manager to administer the Managed servers of Weblogic.
• Created and maintained Design documents (low & high level Design Documents).
• Involved in the design, development and execution of test plans and strategies.
• Designed and developed web applications using Servlets, JSP, Java Beans and Threads.
• Developed JSP with HTML and JavaScript for data presentation and collection.
• Configured clustering EJB objects, JDBC connections and JMS connection factories.
• Designed and developed modules from scratch as part of enhancement.
• Developed Java Scripts and HTML pages for front end.
• Developed several JSP Pages and Servlets for the front end.
• Developed Stored Procedures for extracting data.
• Involved in Performance Tuning and Bug Fixing.
• Used Object Oriented Methodology for the Java app design.

Environment: WebLogic 8.1/9.2, Red Hat Linux 5/Windows Server 2003, J2EE, JProbe, Wily Introscope Linux, Java, Struts, Hibernate, HTML, DB2, Java Script, Eclipse 3.