SUMMARY:

Over 12+ years of Total Professional IT experience and Over 9+ years of US Professional IT experience in WebLogic Administration. Experienced in other Web/Application Servers, Apache Tomcat, Oracle DB, Oracle Golden Gate, Oracle Dataguard and OID with distributed applications, Oracle SOA Suite, Oracle Apps DBA (E - Business Suite), OBIEE, Webcenter, AWS, puppet, ansiible, python, Jenkins, identity and access management, client/server development and e-commerce projects.

TECHNICAL SKILLS:

Operating Systems: Solaris, HP UX, Linux, Red Hat Linux, Ubuntu Linux, Oracle Enterprise Linux, SUSE Linux, Windows NT/2000(3).

Languages: C, Java, J2EE, SAP ABAP

Java /J2EE Technologies: Servlets, Applets, AWT, Swing, EJB, JMS, JDBC, JNDI and RMI.

App/Web Server: WebLogic 6.x/7.x/ 8.1/9.2/10.1/10.3/10.5/12.1.2/12.2.1 & Apache Tomcat 4.x/5.5/6.0.

RDBMS: Oracle 11g/12c Database

Web Servers: Sun ONE 6.x, Apache 2.0 and HTTP.

Packages: JDK1.x, JSDK2.0, JDK 1.5/1.6/1.7/1.8

Scripting: WLST, Shell, Python, Perl & ANT Scripting

Misc. Tools: Wily Introscope, Load Runner, Zenos, Website Pulse, Site Catalyst, SUN N1 Service Provisioning system, IBM Rational Clearcase, IBM Rational Clear Quest, HP SiteScope, Nagios, App Dynamics, Splunk, Grafana

PROFESSIONAL EXPERIENCE:

WebLogic Tech Lead

Confidential, Salt Lake City, Utah

Responsibilities:

• Performed WebLogic Server Administration tasks such as Installation, Configuration, Monitoring, Patching, Performance Tuning and Load balancing.
• Involved in WebLogic 10g to 11gR1 upgrade and 11gR1 to 12c upgrade.
• Performed Oracle Database 11g administration in managing over 800 databases across both pre-production and production environments.
• Technically Lead a team of three members for managing WebLogic JMS infrastructure like distributed queues, distributed topics, Message Driven Beans, message bridges and as well a third party application in weblogic on Exalogic server.
• Designed and developed a DR solution for JMS with ZFS on exalogic using shared file system and ZFS replication.
• Took training courses centered around Oracle Fusion Middleware Administration covering Oracle e-business suite, SOA, Service bus, Identity and Access Management.
• Took Oracle training courses for WebLogic 11g Advanced Administration, WebLogic 12c troubleshooting workshop and tuning, Oracle DB backup and recovery guide and Exalogic Elastic Cloud 2.0 System Administration.
• Performed apps DBA (Oracle E-Business suite) role in Oracle ERP team.
• Worked with AD tools like ADOP, ADOPMON for doing apps DBA administration.
• Performed cloning operation for pre-prod environments with Oracle ERP.
• Automated pre-prod cloning process for WebLogic 12c JMS environments using python, jython and WLST and Oracle provided cloning client jar.2 in to private cloud for pre-prod.
• Worked on Oracle SOA suite, OSB and fusion middleware products like OID during my tenure @ Confidential .
• Worked on key upgrade projects involving third party application like Sabrix using Apache Tomcat as a container for SAP Business intelligence, SAP Dataservices and front end UI page.
• Expertise in Oracle SOA technology like Oracle SOA Suite (BPEL,WSM & ESB, JNDI, Web Services
• Extensively worked on Oracle BPEL, ESB and OC4J
• Managed and trained peers on the installation of Oracle SOA suite across various environments throughout the development cycle
• Utilized the Oracle BPEL Process Designer to design and implement complex BPEL processes that included various activities such as human tasks, database updates/queries, etc.
• Developed interfaces to the BPEL Process Manager utilizing the Oracle SOA
• Used WSDL and the Oracle SOA Suite toolset to design and generate WS-I compliant web services that exposed the aforementioned interfaces to the BPEL Process Manager as a web services
• Used BAM for business activity monitoring.
• Deployed composites and partitioned composites through oracle Enterprise manager for SOA suite.
• Configured JMS, DB and file adapters as external service references for composite and created necessary resources in WebLogic before deploying the composite SAR file.
• Installed, configured and upgraded OHS, Oracle webgate, OIM, OAM and integrated them using libOVD in a clustered mode on Linux environment on High availability with weblogic server.
• Involved in maintaining both the Oracle Identity Management (IDM) Suite and custom features built to enhance the Oracle IDM product suite.
• Use federation services with OAM to provide SSO to applications.
• Upgraded OAM11gR2PS2 & OIM 11gR2 PS2 environment to OAM11gr2 PS3 & OIM 11gr2 PS3, OID, OVD, OVD, OHS.
• Developed and implemented the Active-Active Multi Data Center strategy OAM 11gR2 PS2 POC setup.
• Worked on Single Sign on Solutions(SSO) leveraging Oracle Access Manager (OAM) for traditional authentication, and risk based authentication.
• Worked with Oracle Identity Manager (OIM 11g R2 PS1/PS2/PS3), Oracle Access Manager (OAM 11g R2 PS1/PS2/PS3), Oracle Internet Directory (OID), Oracle Internet Directory (OID), Oracle Virtual Directory (OVD) for integrating different applications with identity and access management providers.
• Worked on integrating OID with AD for database AD authentication.
• Managing and supporting Exalogic 1/8 rack in coordination with Oracle support and keeping production 24/7 available along with stage Exalogic environment.
• Worked with DevOps tools like puppet to manage static OS configuration files.
• Worked with version control systems like Git for managing code repositories.
• Managed Amazon Web Services for various projects including configuration and deployment of all required infrastructure, administrative tasks, and budgeting.
• Extensively trained in AWS courses and other public cloud providers and as well worked on GCP, Azure in configuring resources needed by development team.
• Started experimenting with AWS public cloud migration and did a POC to migrate on prem applications and infrastructure.
• Worked with Jenkins in doing deployments and updating workflows needed for CI/CD deployment model.
• Have good debugging skills in Shell, Perl and Python scripts.
• Worked on implementing Apache Kafka message broker and configured Kerberos as a security provider.
• Worked on implementing messaging as a service, continuous deployment solution using Docker and Kubernetes for Apache Kafka.
• Collect the new technologies and tools, and introduced them to the company; in which way it helped the company build up an agile development environment. It improved the product quality and the work efficiency.
• Worked with WLST to manage day-to-day automated deployment tasks. Deployed incremental changes for domain and application.
• Performance Tuning using Sonic Test Harness for load tests, Nagios for monitoring in WebLogic environment.
• Configured and handled Samurai Log Analyzer, Thread Logic and performed thread dump analysis.
• Configured Oracle AQ as a foreign JMS with WebLogic Server.
• Troubleshooted and resolved break-fix issues impacting websites.
• Experienced in using Verbose GC for garbage collection and tuning Heap size to reduce memory leakage. Worked in analysis of thread dumps, core dumps, server hang and high CPU utilization conditions.
• On-call support for Production and Pre-Producion environments.

Environment: Weblogic Server 10g/11gR1/12c, Oracle AQ, AWS, Apache Kafka, Docker, Kubernetes, Agile, Ansible, Puppet, JDK 1.6, J2EE, JSP, Servlets, Spring, EJB, LDAP, JDBC, XML, Nagios, Splunk, Oracle 10g/11g/12c, OEL 5.6, Oracle SOA Suite, Exalogic x4-2/x5-2, OVM, OID, AD, Oracle E-Business suite

Integration Engineer

Confidential, SFO, CA

Responsibilities:

• Performed WebLogic Server Administration tasks such as Installation, Configuration, Monitoring, Patching, Performance Tuning and Load balancing.
• Involved in WebLogic 9.2 to WebLogic 10.3 upgrade.
• Installed and Configured iPlanet webserver as a proxy plugin for WebLogic 10.3 application server. Worked on tuning part of iPlanet webserver.
• Configured and administered JMS with WebLogic Server 9.2/10.3.
• Worked with Ant and Maven scripts to build JAR, WAR and EAR applications before deploying them on to production servers.
• Worked with puppet and ansible in automating server configuration deployment and day to day server administration tasks.
• Worked with python and WLST (Jython) in automating day to day administrative tasks.
• Migrated online banking application and alerts platform application to Apache Tomcat container and integrated it with IBM MQ Series as a message broker.
• Worked on customer facing applications and integrated them with people soft deployed in weblogic, Tibco as an integration tool for IBM MQ series, database and webservice applications.
• Worked with integrating SAML as SSO for online banking applications.
• Worked in researching and implementing new tools that assisted in a agile development methodology and streamline various processes for working towards a continuous deployment/integration model.
• Worked with development and testing teams to support build and release cycles.
• Worked with Solaris Containers by creating Resource pools, defining Solaris zones and assigning CPU usage.
• Configured Secure Sockets Layers (SSL) for data encryption, client authentication and Two Way SSL for Weblogic 9.2/10.3 using Keytool.
• Worked with SUN N1 Service Provisioning system to manage day-to-day automated deployment tasks. Deployed incremental changes for domain and application.
• Worked with IBM Rational Clearcase, Clear Quest tools to improve team productivity and efficiency.
• Configured and handled Samurai Log Analyzer and performed thread dump analysis.
• Configured and handled Wily Introscope and monitored the performance of Production J2EE components such as EJBs, JSPs and Servlets.
• Configured IBM MQ 6.0.2 Series as a foreign JMS with WebLogic Server.
• Configured F-5 Load Balancer with WebLogic Server.
• Troubleshooted and resolved break-fix issues impacting websites.
• Worked in analysis of thread dumps, core dumps, server hang and high CPU utilization conditions.
• Provided active support for Load/Stress Testing, Troubleshooting and Performance tuning.
• On-call support for Non-Production, Production and Testing environments.

Environment: Weblogic Server 9.2/10.3, Sun One iPlanet, IBM MQ 6.0.2 Series, JDK 1.6, J2EE, JSP, Servlets, Spring, EJB, LDAP, JDBC, XML, Wily Introscope, F-5 Load Balancer, Oracle 10g, Solaris 10.

WebLogic Administrator

Confidential, Palo Alto, CA

Responsibilities:

• Performed WebLogic Server Administration tasks such as Installation, Configuration, Monitoring, Patching and Performance Tuning.
• Worked with Oracle Identity Manager (OIM 11g R2 PS1/PS2/PS3), Oracle Access Manager (OAM 11g R2 PS1/PS2/PS3), Oracle Internet Directory (OID), Service Oriented Architecture (SOA), Oracle Identity Governance (OIG), Oracle Enterprise Manager (OEM), Oracle Internet Directory (OID), Oracle Virtual Directory (OVD) and many other products of Oracle Identity and Access Management.
• Developed Scripts for deploying applications in different environments using weblogic.Deployer utility.
• Installed and Configured Apache HTTP Webserver as a proxy plugin for WebLogic Server 9.2. Worked on tuning part of Apache.
• Created Work Managers for the specific applications based on their priority.
• Troubleshooting WebLogic Application Server connection pools and manager with Oracle 9i&10G.
• Worked with Ant scripts to build applications and deploy them on to WebLogic Application server.
• Automated build and deployment tasks using shell scripts.
• Worked with development, offshore and onsite teams to support build and release cycles.
• Involved with developers in Troubleshooting and fixing day-to-day problems of applications in Production on 24/7 schedule.
• Configured F-5 Load Balancer with WebLogic Server.
• Troubleshooting issues that arise during testing or deployment process.
• Configured and set up Secure Sockets Layers (SSL) for data encryption and client authentication.
• Upgrading the setup from WebLogic 9.2 -> 10.1.
• Testing and profiling to measure the performance of applications.
• Worked with performance monitoring tools like Zenos with WebLogic application server. Generated daily performance metric analysis report for all portal applications.
• Worked with Website Pulse and HP SiteScope tool to monitor response time of all portal applications. Performed Website Pulse and SiteScope metric analysis on a daily basis.
• Worked with IDM and Oracle Fusion Middleware teams in troubleshooting issues in dev, test, stage and production environments.
• Worked with Site Catalyst traffic monitoring tool and generated a daily traffic report for all portal applications.
• Extensively used Verbose GC for garbage collection and tuning Heap size to reduce memory leakage.
• Worked with Helpzilla web-based ticketing tool to help improve team productivity and efficiency.

Environment: Weblogic Server 9.2/10.1, F-5 Load Balancer, Wily Introscope, Apache, Oracle IDM, Oracle Fusion Middleware, J2EE, Web Services, LDAP, EJB, JDBC, XML, Linux, Windows NT, Oracle 9i, Website Pulse, HP SiteScope, Zenos and Site Catalyst.

HP Desktop Technical Support Executive

Confidential

Responsibilities:

• Developed Java applets using JDK, Java Swing.
• Developed Servlets, JSPs on WebLogic.
• Prepared Deployment descriptors for Servlets.
• Performed WebLogic Server 6.x Administration tasks such as Installation, Configuration, Monitoring, Performance Tuning and Load balancing
• Developed the presentation layer in Java Server Pages (JSP) and Java Beans - Business Logic was developed using J2EE, Java components and EJBs.
• Developed and deployed Entity & Session beans in WebLogic application server.
• Design the system, write specifications, development, testing and support.
• Designed and developed user interface with Java Swing and Jbuilder.

Environment: J2EE, Servlets, JSP, WebLogic 6.x, EJB, Java Swing, XML, HTML, DHTML, JDBC, JNDI, Rational Rose, AWT, JDK, Red Hat Linux and Oracle 8i.