PROFESSIONAL SUMMARY:

• 8+ years of IT experience with Middleware Technologies like; Oracle WebLogic Application Server, Tomcat, Apache administration, Jboss, websphere, SOA/OSB, DevOps tools and Cloud Technologies like AWS.
• Expertise in installation, configuration, migration, trouble - shooting and maintenance of Oracle WebLogic Server 9.2/10.x/11g, JBOSS 5.x/6.x, iPlanet Web Server, Apache Web Server on different UNIX flavors like Linux and Solaris.
• Knowledge and experience with cloud services like AWS and Azure.
• Experience in working on source control tools like Tortoise SVN, GIT and Perforce
• Extensive experience in setting up multiple domains, configuring, monitoring, administering admin servers, managed servers, and node manager.
• Strong experience in performing root cause analysis to investigate the reasons for server and application related issues and suggesting solutions.
• Strong knowledge about the deployment of J2EE applications on Oracle WebLogic 9.x/10.x/11g, iPlanet and Apache, and familiarity with the utilization of OOP.
• Strong knowledge of JBOSS 5.x/6.x and exposure to distributed queuing architectures.
• Experience in developing and deploying applications on multiple WebLogic Servers and maintaining Load Balancing, Failover and High Availability.
• Implemented and administered JBOSS EAP 6.x, Oracle WebLogic environment including troubleshooting, applying applications patches, custom code promotions and system monitoring.
• Deploying J2EE (JAR, WAR, EAR &RAR) & Web-Based/E- Commerce applications on Web Logic Application Server and JBOSS
• Experience with Apache Webserver 2.0/2.2 and 2.3 and Tomcat 6.0.
• Good experience in WLST, ANT, BASH and Perl scripting to automate and monitor the WebLogic routine tasks.
• Experienced in creating clustered WebLogic domains to maintain load balancing and high availability of applications.
• Extensive experience in Performance Tuning and Optimization of WebLogic/WebSphere Servers.
• Strong knowledge of configuring JDBC connection pools, JMS Queues, Topics and Connection factories.
• Configured JNDI server as repository for EJB Home stubs, JDBC, JMS connection factories, queues and topics.
• Good understanding of the principles and best practices of Software Configuration Management (SCM) in Agile, Scrum, and Waterfall methodologies.
• Expertise in Querying RDBMS such as Oracle and MYSQL by using SQL for Data Integrity.
• In-depth understanding of the principles and best practices of Software Configuration Management (SCM).
• Worked on Devops, Continuous Integration, Continuous Delivery and Continuous Deployment.
• Experienced DevOps Engineer understands the melding of operations and development to quickly deliver code to customers.
• Developed/customized startup and shutdown scripts for the WebLogic servers.
• Worked on various methodologies like Systems Development Life Cycle (SDLC) and Agile.
• Configured Apache to act as proxy server for back end WebLogic and Tomcat application servers.
• Experience in taking thread dumps and heap dumps for troubleshooting.
• Configured Web Security tools such as LDAP Server, SSL Certificates.
• Expert in automated content deployment using Interwoven Open Deploy.
• Excellent database knowledge using Oracle, MS-Access, and MS SQL Server. Automation using Chef and AWS Ops Works.
• Experience in full Project Life Cycle including Analysis, Design, Testing and Documentation of various J2EE applications.
• In-depth knowledge of computer applications and scripting like Shell, Python, Ruby, Perl, JavaScript.
• Experience in and demonstrated understanding of source control management concepts such as Branching, Merging, Labeling/Tagging and Integration. Used Jenkins as a Continuous Integration tool for Automation of daily process.
• Strong knowledge on Source Controller concepts like Branches, Merges and Tags.
• Hands on experience in Installing and Administrating CI tools like Hudson/Jenkins.
• Performing in-depth problem troubleshooting, resolution, and root cause analysis for application issues in production.
• Worked with different Bug tracking tools like JIRA, Rally, Remedy, Snow, Fisheye, Crucible and IBM Clear Quest.
• Developed Playbooks using Ansible. Automated agent's installation of Nagios on Windows servers and Linux servers.
• Exposed to all aspects of software development life cycle (SDLC) such as Analysis, Planning, Developing, Testing and Implementing and Post-production analysis of the projects.

TECHNICAL SKILLS:

Application Servers: Weblogic 8.1/9.x/10.x/11g/12c, iPlanet, Apache, Tomcat4.x/5.x, JBoss 5/6/7.1, Oracle SOA/OSB

Operating Systems: RHEL 5/6, SUSE Linux, Windows 98/2000/2008, IBM-AIX 7.1, Sun Solaris

Languages: Java, C, C++, SQL, Unix Scripting, Shell Scripting, WLST.

J2EETechnologies: JSP, Servlets, EJB, Web Services (Apache Axis 2), SOAP, WSDL, HTML, JDBC, JNDI, XML, XSL, JMS, Spring Framework

Tools: /Technologies: Cute FTP, TME10, Jprobe, Maven 2.0, XMLSpy, Big IP F5, Site minder 4/5/6, TOAD, anisble, chef, Puppet, AWSProtocols: T3, T3S, Kerberos, HTTP, HTTPS, FTP and TCP/IP.

Databases & DB Tools: Oracle 8i/9i, MS SQL Server 2000, TOAD, SQL Navigator, SQL Plus, MS Access

CASE & Version Control: Clear Quest, JIRA, CVS, Perforce, Visual Source Safe, Subversion.

WORK EXPERIENCE:

Confidential, Washington, DC

Middleware Applications Support Analyst / DevOps Engineer

Responsibilities:

• Installed and configured Oracle Weblogic Application Server 10.x/11g/12c on Sun Solaris 8/9, Red Hat Linux environments and provided necessary standard infrastructure template documents to build QA and other environments.
• Installation, Configuration and Administration of JBoss 5.0/5.1/5.5 & JBoss 6.2 versions on Oracle Enterprise Linux (OEL) environment RHEL6.4. Worked on Different Oracle SOA/OSB apps.
• Working closely with the setting up of the Configuration Management Tools Puppet and automation of the infrastructure with Chef that included migrating from the current infrastructure workflow to the new workflow.
• Actively coordinated with Development teams in resolving conflicts while merging in Subversion.
• Experienced in authoring pom.xml files, performing releases with the Maven release plugin, Mavenization of Java projects and managing Maven repositories.
• Update Maven scripts to use Artifactory repo instead of local repositories.
• Configured the build steps in different ways such as by using groovy script, shell script, python/ruby, windows batch command and invoking build tools. Hosted applications on AWS.
• Installed, configured and deployed virtual servers through VMWare on Windows environment.
• Provided Support to migrate from WebLogic server to JBoss.
• Involved in upgrade of JBoss 6.2 to JBoss 6.4 over 100 Servers.
• Wrote chef recipes in ruby for deployment of artifacts to cloud environment.
• Administered and maintained source code repositories using Subversion.
• Maintained all the security for the repositories authentication and authorization.
• Performed JBoss server administration tasks like configuring both horizontal and vertical cluster environment, deploying applications, configuring JMS servers and JDBC data sources.
• Configured Node Manager for administration of Managed servers.
• Deployed various WAR, EAR, JAR applications in Domain and clustered environments
• Deployed applications on multiple Weblogic/WebSphere Servers and maintained Load Balancing, High availability and failover functionality. Configure, Troubleshoot & monitor AWS related issues.
• Explored and performed troubleshooting of emerging application run time issues from UNIX server console.
• Installed and configured Apache, IIS and IBM HTTP WebServers and Integrated with Weblogic Application Server.
• Implemented and managed SVN branching strategy for applications by creating Release branches.
• Perform automated user management, installation and configuration of various services and backup-using Puppet.
• Provided support for other users of Puppet and applications that were managed via Puppet
• Configured Splunk alerts for complete Infrastructure monitoring.
• Involved in Bourne Shell (Bash) scripts to automate some administration functions like log rotation.
• Develop and maintain production quality dashboards, custom views, saved searches and alerts for Splunk Operations
• Used ANT and MAVEN as build tools on Java projects for the development of build artifacts on the source code.
• Automated the build and release management process including monitoring changes between releases.
• Used Jenkins for continuous integration and generated artifacts from the source repository.
• Performed all necessary day-to-day Subversion/GIT support for different projects.
• Involved in configuring Web Security tools - LDAP server, SSL certificates.
• Tuned the JDBC connection pools initial and maximum capacity to the same value in
• Provided 24/7 on - call support for production and non-production environments, which included product testing, staging, training, and break fix environments.

Environment: JBoss 6.4, WebLogic 10.3.6, Apache 2.2, Oracle Jrockit6, JDK, J2EE, JDBC, Red Hat Linux 6.4, Shell/Python/Ruby/Perl Scripts, F5 Load balancer, Site minder, Dynatrace, LDAP, Subversion, ANT, Maven, Jenkins, AWS, Tomcat, Chef, JIRA Puppet, Nexus, ansible,WebSphere, Oracle SOA/OSB.

Middleware Integrator/ Jr. DevOps Engineer

Responsibilities:

• Plan and support integrated platform releases per the Release Management process, while actively driving alignment of platform changes to pre-defined release schedules and identifying conflicts with other portfolio planned releases.
• Working closely with the setting up of the Configuration Management Tools Puppet and automation of the infrastructure with Chef that included migrating from the current infrastructure workflow to the new workflow.
• Experience with VMWare ESXi, vCenter, vSphere and cloud computing platforms, such as RackSpace & AWS
• Wrote Puppet manifests files for all applications to manage the configuration files and to manage them as services.
• Track and measure the progression of Release Management by the presence of established scaled agile best practices.
• Worked in WebLogic Administration with expertise in Installation, Configuration, Tuning, and Deploying applications on a Windows platform.
• Installation, configuring and monitoring of JBoss 6.2 servers and integrated SunOne
• Web Server to work with the Application Server.
• Responsible for the Installation, Configuration and Administration of Oracle WebLogic Application Server 10.3.6 and configured the WebLogic domain on RHEL 6.4
• Involved in working with Load balancing/Firewall to achieve failover and high availability.
• Configured Tomcat 6 to work with Apache HTTP server, IIS, SUNONE.
• Configured JMS resources queues, topics, and JDBC connection pools and data sources for Web Logic/JBoss server instances.
• Deployed EJB web application on Tomcat Application Server.
• Experienced in analysis of thread dumps, core dumps, server hang and high CPU utilization conditions in WebLogic and JBoss. Monitored WebLogic/JBoss Server health and security.
• Analyzed Log files such as WebLogic/JBoss server logs, node manager logs, plug-in logs and thread dumps for troubleshooting and resolving issues.
• Involved in assisting QA team in load and integration testing of J2EE applications on WebLogic/JBoss Application Servers.
• Installed, configured and administered Apache 2.3.x and Apache Tomcat 5.5/6.0 on Redhat 6.2.
• Installed and configured HTTP proxy plug-ins on Apache Web Server to send traffic to request dynamic content from WebLogic Application servers.
• Implemented security by configuring SSL for client authentication and data encryption.
• Configured LDAP using active directory for user authentication and authorization.
• Installed, configured and deployed WebSphere/virtual servers through VMware on Windows environment
• Installed and configured Jrockit Mission Control (JRMC) in production environment to monitor system critical parameters such as garbage collection, memory leaks, CPU utilization, file/network I/O.
• Provided 24x7 production support of mission critical applications running on WebLogic and Apache/Tomcat Middleware.
• Design a release-oriented approach to provide a framework designed to improve the speed, quality and efficiency of the delivery process. Configured and Administered Oracle SOA/OSB servers/Apps.
• Provide a predictable schedule for delivery teams, operations, and partner portfolios.
• Mitigate risk through governance, release based testing and implementation planning.
• Ensuring that customer promises are delivered safely into production with quality and control

Environment: Clear Case, SVN, Shell, ANT, JIRA, Maven, Hudson, Linux, Windows, Jboss, Subversion, Visual Basic 6.0, Visual SourceSafe 6.0, SQL Server 2005/2008, Web Logic 10.3.6, Oracle Jrockit 6, F5 Load balancer, Site minder, Nagios, Splunk, JMX, Oracle 8i/9i, JDBC, LDAP, Oracle Fusion Middleware, Python/Perl/Bash/WLST Scripts, AWS, ansible, chef, vagrant, Jenkins, Oracle SOA/OSB

Weblogic, Tomcat Admin / Build Engineer

Responsibilities:

• Installed Weblogic8.1/9.2/10/Tomcat 6 on the client’s development, test and production servers. Moved the environment from one server, to server farm.
• Efficiently deployed applications on multiple instances on the client servers to achieve Load balancing and high availability.
• Applied upgrade patches of PK software regularly on the client-side servers.
• Performed troubleshooting of all Tomcat/WebLogic deployment related issues.
• Extensively involved in monitoring the applications hosted on the client servers.
• Involved in monitoring and performance tuning of the application servers hosted on the client servers.
• Performed the troubleshooting of WebLogic server connection pooling and connection manager with Oracle 10g.
• Administered active applications and performed application performance monitoring, recycling of application server including installation of plug-ins for apache Webserver.
• Created SSL and digital certificates for requesting, generating and implementing the communication link between the web server and the application server.
• Performed the log-file analysis (troubleshooting) to resolve issues using scripts.
• Configured and administered connection pools, multi-connection pools and data source objects for JDBC connections.
• Implemented security and configuration of Netegrity SiteMinder single sign-on.
• Automated both .Net and Java Apps using industry's best automation tools like Anthill and Jenkins
• End to End automation from Build to Production is implemented
• ITIL best practices were brought in to the normal SDLC process and lead the effort of bringing change in the organization.
• Facilitating the projects in Quality related activities as per QMS process
• Maintenance of Configuration items in Harvest and CVS
• Conducting the configuration audits as per schedule and Report the configuration audit findings and Track the findings to closure.
• Publish the changes with respect to Continuous Integration i.e. CI's and amend affected documents periodically

Environment: WebLogic 8.1/10.01, Tomcat 5.5/6.0 on windows 2003 and Linux servers, Apache web server, JProbe, Argus monitoring tool, Oracle database, Red Hat LINUX, Windows 2003, F5 Load balancer, Site minder, Nagios, JMX, Oracle 8i/9i, JDBC, LDAP, OEM, Puppet, EJB, JSP, Servlets, XML, MS Office, Subversion, Visual Basic, Subversion (SVN), Hudson/Jenkins, Java/J2EE, WebSphere, Oracle fusion Middleware, Oracle SOA/OSB

Middleware Administrator

Responsibilities:

• Installed, configured and maintained various middleware J2EE engines, Weblogic 10.x/ WebSphere on Solaris 10, Linux servers and tested external and internal web hosting environments.
• Used Korn Shell scripting to monitor system environment.
• Established SSL communication between web servers (Apache, Tomcat) and WebLogic Application Server.
• Administered Apache Tomcat 5.5 and WebLogic server involving 20+ Java Applications.
• Worked closely with support teams to configure the Big IP F5 Load Balancer.
• Worked closely with multiple support teams such as the QA, testing team for performance/ load/ stress testing of applications and monitoring/tuning the application parameters while acting as a single point of contact with third party vendors for fixing errors within the product.
• Automated the deployment process of various WAR, JAR, and EAR applications in clustered environment using ANT scripts.
• Used WLST to get run-time parameters. Generated and analyzed Heap dump and
• Thread dump. Monitored WebLogic performance using Wily Interscope.
• Monitored WebLogic resources (WAR, EAR, JMS, JDBC) using tools such as wily introscope and JProbe.
• Good experience with change control processes to make updates in production/development environments.
• Used TOAD for viewing the Oracle Dictionary, tables, indexes and stored procedures.
• Installed BEA patches using Smart Update tool, and performed troubleshooting of applications and post-installation issues.
• Installed and configured apache, iPlanet and IIS plug-ins for WebLogic.
• Performed the designing, configuration and testing of IBM MQ 7.0 Series as a foreign JMS with WebLogic Server.
• Dealt with troubleshooting of issues like Out of Memory (OOM), High CPU Utilization and Server Hang.

Environment: Oracle Fusion Middleware 11g, Windows 2003, Solaris 10, Apache 2.x, JDK 1.4/1.6, IIS 6.0, TOAD, J2EE, LDAP, JDBC, JMS, XML, iPlanet 7, SiteMinder 6.0, OpenSSL, Eclipse, Wily introscope, JProbe, CVS, Oracle SOA/OSB

Application Development/Support

Responsibilities:

• Requirements analysis, design and development.
• Worked on preparing the detailed design document.
• Developed the User Interface using Java Server Pages (JSP), Servlets and Front Controller.
• Database design and connectivity done by using JDBC Bridge
• Wrote SQL Queries and PL/SQL procedures for the application.
• Used Eclipse for the development purpose.
• Building and Deployment of WAR, JAR & EAR files on test, stage, UAT and production servers.
• Involved in tracking and resolving Production issues.
• Configured and maintained WebLogic server with JDBC Connection Pool, JMS, JNDI, SNMP and J2EE Services.
• Installed and configured Apache Tomcat and Sun ONE (iPlanet) Web Server.
• Troubleshooting, Load balancing, Testing and Code Profiling to measure the performance of the various applications deployed in WebLogic Server.
• Developed many shell scripts to automate the maintenance process of the WebLogic and recover the backed-up WebLogic configuration.

ENVIRONMENT: Java 1.4, WebLogic Server 8.1, Apache Tomcat, Sun One, J2EE, Web Services, LDAP, XML, Windows, SQL Server, Oracle SOA/OSB.