SUMMARY:

• Hands on in Configuration and Administration of Oracle WebLogic Server 9.2 and 11g and 12c in production and non - production environments.
• Multiple years experience supporting java application servers like JBoss, Tomcat and WebSphere.
• Experience with messaging products like IBM MQ, Active MQ and Kafka.
• Experienced in creating highly reliable, scalable and redundant clustered WebLogic domains to maintain high availability.
• Well experienced in deploying and releasing java code.
• Knowledgeable and experienced in Performance Tuning and Optimization of WebLogic Servers and HOTSPOT JVM overall.
• Strong knowledge in Configuration clustering and monitoring of JDBC connection pools and JMS Connection factories.
• Developed customized startup and shutdown scripts for the WebLogic servers. Able to write custom scripts for managing and administrating middleware environments.
• Worked on Apache, Nginx and IIS Web Server environments.
• Excellent database knowledge using SQL, PL/SQL, Oracle and MS SQL Server.
• Experience in full Project Life Cycle including Analysis, Design, Testing and Documentation of various J2EE applications.
• Performing in-depth problem troubleshooting, resolution, and root cause analysis for application issues in production.
• Strong communication and interpersonal skills.
• Well versed in ITIL principles in Change Management, Incident Management and Response.

TECHNICAL SKILLS:

• Red Hat Linux
• Windows server 2003/2008/2012
• WebLogic Server 11g
• 12c
• WebSphere 7.0-8.5
• JBoss EAP 5.0-7.0
• Apache Tomcat 5.5/6.0/7.0/8.0
• Apache 2.2-2.4
• Nginx
• IIS
• UNIX Shell
• Python
• SiteScope
• Splunk
• AppDynamics
• Riverbed Central
• IBM Netcool
• Graphana
• Jenkins
• Build Forge
• Maven
• Artifactory
• GIT
• Subversion
• Service Now

PROFESSIONAL EXPERIENCE:

Confidential, Atlanta, GA

Middleware Admin/Application Support

Responsibilities:

• Installed, Configured and Administered WebLogic Server 12c in Development, System test, QA and Production environments.
• Migrated various applications from WebLogic 11g to WebLogic 12c.
• Patching JAVA and WebLogic.
• Performance Tuning JVMs.
• Instrumenting monitoring jars with JVMS.
• Wrote several shell scripts to manage logs and automate manual tasks.
• Used BIG IP F5 Load balancer to distribute user requests.
• Renewed WebLogic certificates, also installed the new certificates for the newly created domains in webservers.
• Supported Application releases.
• Participated in incident response, involved in troubleshooting scores of production criticals.
• Reviewed and approved manifest for changes and releases.
• Documented several support tasks for Level 1 team.
• Created network flows for several new applications for firewall openings.

Confidential, Dallas, TX

Sr. System Analyst

Responsibilities:

• Supported multiple highly critical enterprise applications running on WebLogic and JBoss EAP servers.
• Extensively worked on Deployment/Hot Deployment and troubleshooting of components and applications in WAR, JAR and EAR formats in Domain and Clustered environments.
• Created Cron scripts to monitor the disk space and zip the old logs, monitor the Server status and other routine tasks.
• Installed, configured and maintained Apache Tomcat 7.0 with SSL and deployed the WAR applications on the server.
• Configured and managed secured environments using SSL and digital certificates.
• Installed and configured Apache HTTP Server plug-in to proxy the request from Apache HTTP Server to the WebLogic and Tomcat Server.
• Involved in Root Cause Analysis, Troubleshooting Production issues, Performance tuning and load balancing to ensure applications are available and working fine.
• Involved in designing infrastructure changes to meet the needs of the developers and end users.
• Configured JNDI server, JDBC data source, JMS connection factories, queues and topics.
• Performance tuning of JVM heap size, garbage collections, Java stack and Native thread and production performance
• Involvement with the development teams in trouble shooting and fixing day-to-day problems of the applications on 24/7 schedule.

Confidential, Dallas, TX

Application Support Analyst

Responsibilities:

• Responsible for maintenance of three major web applications running on WLS 10 and 10.3 in separate sets of environments.
• Setup the environment needed for the application servers, Installation, Configuration, applying patches, installing the core software's needed for the applications as well as application servers. Setting the class paths, plug-in configuration, connection pools, data source configuration, JVM settings, deploying applications, managing the application servers and applications using the scripts in clustered environment
• Integrated Apache 2.1 as a reverse proxy for WebLogic application servers..
• Performing in-depth problem troubleshooting, resolution, and root cause analysis for application issues..
• Involved in application performance analysis with performance and development teams.
• Provided on call production support as and when required
• Created Log Archive Server and automated Log Sync from different applications centrally.