SUMMARY

• Over 8 years of experience in Software Development Life Cycle and Middleware administration using Oracle Web Logic, IBM WebSphere, JBoss and Apache Tomcat on various platforms.
• Experienced in installations, configurations, deployment and management of enterprise applications using Oracle Web Logic Application server 7.x/8.x/9.x/10.x and WebSphere 5.x/6.x/7.x, JBoss EAP 6.x, Apache Tomcat.
• Experience on installing and administration of OracleService - Oriented Architecture (SOA).
• Worked on the leading-edge monitoring and related technologies in order to leverage advanced monitoring capabilities in reducing downtime and ensuring optimum application performance such as Wily Introscope, Wily CEM, Nagios, Splunk, NSG, HP BAC, Spectrum, etc.
• Experienced with Relational databases like the SQL server, DB2, Sybase and ORACLE.
• Well versed with UNIX, Sun Solaris, Red Hat Linux, IBM AIX and Windows XP/NT/2000/98/95.
• Strong knowledge in deployment of J2EE applications on Oracle Web Logic 7.x/8.x/9.x/ 10.x, WebSphere Application server 5.x/6.x and Apache-Tomcat.
• Involved in Load Balancing using BIG -IP and F5.
• Configured Web Server interfaces, session management, virtual hosts and transports for the Oracle WebLogic Application server.
• Experienced in writing scripts to handle everyday system administration tasks such as backup procedure, system cleanup and everyday system tasks. Experience in writing Shell and WLST scripting.
• Created bash and ksh scripts to monitor domains, recycle clusters, monitor disk space, monitor number of Apache connections, and ran them as cron jobs for timely running programs.
• Strong analytical and problem solving skills with the ability to quickly adapt to new environments and learn new technologies.

TECHNICAL SKILLS

Languages: C, C++, Java, JSP, Servlets, JDBC and PL/SQL

Operating Systems: Sun Solaris, Red Hat Linux and Windows 98/NT/XP/200X,AIX

Application Servers: BEA WebLogic Server 7.x, 8.x, 9.x and 10.x and 12c including Service Packs, Redhat Jboss Application Server 3.x/4.x/5.xOracle SOA 10g/11g, Oracle Coherence 3.x, Tomcat 6/7, IBM WebSphere Application Server 5.x/6.x/7.x/8.x, OSB 10g/11g, IBM HTTP Server

Web Servers: Apache 2.x, Iplanet 6.x, 7.x, Jboss webserver

Monitoring Tools: Wily Introscope 8.x/9.x, AppDynamics 4.x, Tivoli Performance Viewer Thread Analyzer, Log/Site Analyzer, Nagios, NSG, Splunk, Kibana, HP-BAC, etc..

Databases: Oracle 8i, 9i and 10g, MSSQL, MySQL and MS Access, Couchbase.

Tools: Jenkins, Artifactory, G0CD, Github, Tortoise, WinCvs

Security: SiteMinder, Pingfederate, SSL certificates for Application server, web servers and LBs, Address PCI security concerns

Scripting: UNIX Shell Scripts, Ansible

PROFESSIONAL EXPERIENCE

Confidential, Herndon, VA

Sr. DevOps Engineer

Responsibilities:

• Installation, configuration, up-gradation and administration of the Oracle WebLogic server. 9.2.3/10.3.5/10.3.6/12 c on Linux redhat Linux for development, QA, integration, Staging and production environments.
• Provided 24/7 application support on a rotation basis for production environment.
• Supported the code releases in all of the environments and resolved the issues reported by the QA and performance team.
• Experience on installing and administration of OracleService-Oriented Architecture (SOA).
• Install and configure Oracle SOA Suite 11g (BPEL, BAM and OSB) components in Oracle Web Logic Server domains Environment. Administering SOA Composites using Enterprise Manager, Creation of Metadata repositories (Database based using RCU).
• Configuring, monitoring and managing the EM Console and Web logic Admin Console
• Deploying, monitoring, and managing the SOA Composite applications.
• Experience in setting of High Availability and clustering for Oracle SOA suite.
• Deployed application proxies in OSB (Oracle Service Bus) layers and configured service URI.
• Performed migration and upgrade tasks like upgrading Weblogic server 9.2.3 to Weblogic 11g and updated JDK and installing service packs and patches for the Weblogic Server.
• Created deployment scripts that automatically verifies the code in lower environments and deploys in higher environments.
• Configured clustering EJB objects, JDBC connections JMS Queues and Connection Factories.
• Applied Gridlink changes for JDBC in WebLogic to use fast connection failover and responds to Oracle RAC events using ONS.
• Worked on Oracle Coherence to cache the data for efficient billing systems costs.
• Created CSR and keystore files multiple production domains and imported internal ( Confidential ) and external certificate like COMODO and Verisign. Worked with LB teams to update the certificate on LBs, Update the truststore to trust backend certificate.
• Experience in working with WLST to configure Web Logic Application Server.
• Install and configuration of Apache Tomcat servers for automation and repositories like artifactory and SVN.
• Experience in Jenkins and GoCD CI/CD tools. Configure infra, build and deployment pipelines.
• Build, install and configuration of redis(no SQL) DB for application caching in production environment. Implemented master and slave architecture.
• Installed and configured build tools such as Jenkins and GO CD.
• Configure various pipeline in GOCD for all kind of stages from build (from source control like git) to deploy into production.
• Experience in cloud platforms and services like Pivotal Cloudfoundary, Open stack and AWS.
• Experience in migrating applications from Weblogic to Pivotal Cloudfoundary.
• Supporting SOAP and Restful Webservices.
• Experience in various AWS resources include setting up VPC, EC2, RDS, S3, NACLs, SNS, CloudWatch and auto scaling between Ec2 instances.
• Experience in AWS lambda and AWS CLI.
• Experience in setting up Kafka cluster for application messaging and logging (verbose and concise).
• Created bash and ksh scripts to monitor domains, recycle clusters, monitor disk space, monitor number of Apache connections, and ran them as cron jobs for timely running programs.
• Experience on writing Shell scripts to automate deployment in lower and production environments.
• Setup weekly status calls to discuss the Remedy Ticket changes that need to go in Production.
• Extensively used monitoring tools Wily, Nagios, Splunk, HP BAC, NSG and Spectrum.
• Worked with the Sitescope team to setup Sitescope monitoring and helped them to monitor Average Response times.
• Set up NRPE for host level checks, like monitor server health, disk space and load in Nagios.
• Created dashboards alerts for errors and daily reporting in Splunk.
• Implemented security by configuring Secured Socket Layer (SSL) for client authentication and data encryption, Installation/Maintenance of SSL certs at both Webserver and Application server level
• Installed and configured LDAP server using Sun One Directory server for user authentication.
• Created KPI report with the frontend application response times and GC for each managed server by using Wily.
• Created Dashboards, alerts, metric grouping and report templates in management module for easy monitoring.
• Experience on Kibana, Elastic search, log stash for application logging.
• Experience in Infrastructure automation tools like Ansible and Chef.
• Scripting in yaml, shell and create projects to do installations and changes on multiple servers from Ansible tower.
• Experience on Configuring App Dynamics agent and monitoring applications, JVMs and servers health using App dynamics, created Dashboards, alerts and Information Points.
• Performance monitoring and JVM Heap size and EJB monitoring using Wily Introscope, App Dynamics and Load testing using Mercury Load Runner and Jmeter.
• Installed and configured repository servers like Cruise control, SVN and Artifactory.
• Worked in PCI vulnerabilities related infra, webserver, Application server and DB (MySQL).
• Worked with development teams on PCI related code fixes.

Environment: Oracle Weblogic/9.x/10.x, Apache Web Server 2.x, Apache, Oracle JRockit 5/6, Oracle SOA 10g/11g, Oracle Coherence 3.x, Tomcat, OSB 11g, WLST, LDAP, Splunk, HP-BAC, HP Application Lifecycle Management(ALM), Soap UI, Nagios, Wily Introscope 9.0.x, Site Minder, F5.

Confidential, Herndon, VA

Middleware Engineer

Responsibilities:

• Installation, configuration, up-gradation and administration of the Oracle WebLogic server. 9.2.3/10.3.5 on Linux redhat Linux for development, QA, integration, Staging and production environments.
• Provided 24/7 application support on a rotation basis for production environment.
• Supported the code releases in all of the environments and resolved the issues reported by the QA and performance team.
• Experience on installing and administration of OracleService-Oriented Architecture (SOA).
• Install and configure Oracle SOA Suite 11g (BPEL, BAM and OSB) components in Oracle Web Logic Server domains Environment.
• Configuring, monitoring and managing the EM Console and Web logic Admin Console
• Deploying, monitoring, and managing the SOA Composite applications.
• Experience in setting of High Availability and clustering for Oracle SOA suite.
• Deployed application proxies in OSB (Oracle Service Bus) layers and configured service URI.
• Performed migration and upgrade tasks like upgrading Weblogic server 9.2.3 to Weblogic 11g and updated JDK and installing service packs and patches for the Weblogic Server.
• Created deployment scripts that automatically verifies the code in lower environments and deploys in higher environments.
• Configured clustering EJB objects, JDBC connections JMS Queues and Connection Factories.
• Applied Gridlink changes for JDBC in WebLogic to use fast connection failover and responds to Oracle RAC events using ONS.
• Worked on Oracle Coherence to cache the data for efficient billing systems costs.
• Created CSR and keystore files multiple production domains and imported internal ( Confidential ) and external certificate like COMODO and Verisign. Update the truststore to trust backend certificate.
• Experience in working with WLST to configure Web Logic Application Server.
• Created bash and ksh scripts to monitor domains, recycle clusters, monitor disk space, monitor number of Apache connections, and ran them as cron jobs for timely running programs.
• Experience on writing Shell scripts to automate deployment in lower and production environments.
• Setup weekly status calls to discuss the Remedy Ticket changes that need to go in Production.
• Extensively used monitoring tools Wily, Nagios, Splunk, HP BAC, NSG and Spectrum.
• Worked with the Sitescope team to setup Sitescope monitoring and helped them to monitor Average Response times.
• Set up NRPE for host level checks, like monitor server health, timezone check, disk space and load in Nagios.
• Created dashboards alerts for errors and daily reporting in Splunk.
• Implemented security by configuring Secured Socket Layer (SSL) for client authentication and data encryption.
• Installed and configured LDAP server using Sun One Directory server for user authentication.
• Created KPI report with the frontend application response times and GC for each managed server by using Wily.
• Created Dashboards, alerts, metric grouping and report templates in management module for easy monitoring.
• Performance monitoring and JVM Heap size and EJB monitoring using Wily Introscope and Load testing using Mercury Load Runner and Jmeter.

Environment: Oracle Weblogic/9.x/10.x, Apache Web Server 2.x, Apache, Oracle JRockit 5/6, Oracle SOA 10g/11g, Oracle Coherence 3.x, Tomcat, OSB 11g, WLST, LDAP, Splunk, HP-BAC, HP Application Lifecycle Management(ALM), Soap UI, Nagios, Wily Introscope 9.0.x, Site Minder, F5.

Confidential, Charlotte, NC

Middleware Admin and Performance Engineer

Responsibilities:

• Installation, configuration, up-gradation and administration of Oracle WebLogic Server 10g, 11g and WAS on Solaris for development, performance, testing, integration and production environments. Installation of http servers such as IHS/Apache and integrated Apache to the WebLogic application server for load-balancing and fail-over using generated plug-ins.
• Worked on building, configuring and setting up testing and production environments and tested and supported the project according to the business rules and specifications.
• Deployed applications in WAR, JAR and EAR formats in Domain and Clustered environments of the WebSphere application server. Debugging of the application problems in deployment time, runtime and in load test.
• Implemented horizontal and vertical clustering, Work Load Management (WLM) to make an applications highly available.
• Configured WebSphere resources including JDBC providers, and data sources to support database back end applications for Oracle and DB2/UDB.
• Good working experience with Node Manager which is a Java utility to provide the ability of controlling servers while starting up, shutting down and restarting servers remotely.
• Involved in installation and upgrading different versions of Wily Introscope 7.x/V8.x/9.x.
• Installed, configured and administered Wily Introscope on Sun Solaris/IBM Linux for multiple high profile projects.
• Created management modules, metric grouping, dashboards and alerts for different bank environments. Administered, configured, tuned, and troubleshot Wily Introscope in a clustered environment
• Designed LDAP Authentication for CA Wily Introscope to expand access limited by function(s) to additional user groups.
• Involved in installing EPAgent V8.x which monitors disk utilization and performance issues and plug-ins like GCwatch and Log reader.
• Monitored JVM Performance by controlling the GC parameters.
• Extensively Used Heap Analyzer/Thread Analyzer/GC analyzer for performance analysis.
• Configured Wily Java Agents on WebSphere with Introscope EM across multiple environments typically production, pre-production and test.
• Setting up horizontal clusters for Work Load Management (WLM) and Failover support
• Profiled all the J2EE application’s and worked with the application groups improving performance of application and possible memory leaks in the application before deploying.
• Deployed J2EE applications involved in creating clusters for Load Balancing and FailOver, Configuring resources like JDBC provider, created Virtual Hosts, Shared Libraries, JNDI Configurations, EJB References, Creating Environment Variables, and Configuring Session Management.
• Involved in creating shell scripts like the automation of startup and shutdown processes
• Interacted and coordinated with different application groups for Hot Deployment and Dynamic Reloading of the Applications.
• Involved in troubleshooting and resolving problems encountered when implementing models.

Environment: IBM WebSphere Application Server 4.x, 5.x, 6.x, 7.x, IBM HTTP Server, Apache, Tomcat, Apache Web Server 2.x, WLST, LDAP, Oracle SOA 10g/11g, Oracle JRockit 5/6, Nagios, WLST, JDK, JRocket, J2EE, Wily Introscope8.x /9.0.x, Site Minder, F5.

Confidential, CA

Teaching Assistant

Responsibilities:

• Helped the professor in preparing the PPTs for the class.
• Conduct computer based exams to students.
• Helped Students in Software installation related to Classes offered by professor.
• Mentoring the students in doing assignments and projects.
• Corrected the students assignments and evaluated the student projects and helped the professor in doing the grades
• Completed online shopping cart project using java/j2ee technologies.
• User mentoring on new software’s installed in computer lab.
• Involved in the upgradation of the whole computer lab with the existing versions of Windows Operating system, MS Office and various branch specific software’s.