Varun Kumar

Middleware Administrator

Email: aczvv4@r.postjobfree.com Phone:858-***-****

SUMMARY:

* ***** ** ********** ** Middleware/WebLogic Administrator.

Extensive experience with Administration of WebLogic Application Servers 10g,11g and 12c Clustering (WLS).

Hands on experience in Installation, Configuration and Troubleshooting of WebLogic Server.

Strong experience in Configuration and maintenance of WebLogic Domains, Admin & Managed Servers, Clusters, Machines and Node Managers.

Proficient in deployment and troubleshooting of JAR, WAR and EAR files in domain and clustered environments of WebLogic server.

Experience in administered Data Source, Connection pools for JDBC connections of WebLogic server.

Implemented production patches by following change management Installation and configurations of WebLogic server, WebSphere application server 6.x and 7.x on Linux platform.

Interacted with BEA WebLogic Technical Support Team in resolving the WebLogic critical issues, and used to follow up on the opened tickets, by analyzing the respective thread dumps and Config files.

Done deployments on WebSphere, Jboss and Tomcat.

Experience in using build tools like MAVEN and ANT for the building of deployable Artifacts such as War & Ear from Source Code.

Supporting all the issues related to WebLogic, Tomcat, WebSphere and apache Well versed knowledge in SSL configuration in WebLogic server.

Hands on experience in BMC REMEDY and JIRA tools, Problem management and Change management process.

Handled SEV1/SEV2 tickets and Achieved 100% SLA.

Used Ant/Maven for building Java/J2EE Applications.

JDBC Connection Pool and Multipool configuration with Oracle, MySql and SqlServer, etc.

Installation of Tomcat servers and configuring apache using proxy plug-ins.

Provided support for Production Deployments during non-business hours and weekends.

Hands on experience in trouble shoot and determine the root cause analysis (RCA).

Experienced in a production environment, supporting mission-critical applications.

Good knowledge in up gradation of WebLogic server and in patch updates.

Configuration of apache instances with WebLogic and all application servers.

Deployed applications (WAR and EAR) in various environments like Development, System Test, QA and Production on multiple WebSphere and Tomcat Servers.

Proactively monitored applications using WILY INTROSCOPE and HP BAC, responded immediately to the alerts.

Experience in deploying and updating (versioning) the applications on WebLogic server using Admin console and Admin Utilities.

Good knowledge on Configuring WebLogic Clusters, to achieve Load balancing, High availability and Failover solutions.

Applying fix packs for the WebSphere environment.

Deploying Enterprise Java Beans (EJB’s) and monitoring the Application servers and Web servers, troubleshooting performance issues using the Log messages and Log files.

Have knowledge in various Operating Systems such as Windows, Solaris, Red Hat Linux.

Strong analytical, problem solving skills and ability to learn fast and work well under pressure.

Experience in Healthcare and Telecom sector.

Hands on Project/Domain decommission.

Hands on DR test (Disaster Recover).

Experience working with Unix shell scripting for repetitive automating administrative operations like deployments.

Good experience in load balancing tools like F5 load balancer and GSLB.

Applying fix packs on Prod servers as per the change on WebSphere servers.

Experienced in Applying Fix Packs, Refresh packs to the existing WebSphere versions.

Supported 24/7 Oncall support in production environment. & TECHNICAL EXPERTISE

Technical Skills

Application Servers

WebLogic, WebSphere, Jboss and Tomcat

Web Server

Apache, Sunone and IIS

Tools

Wily Introscope, Ipcenter, F5, GSLB, HP BAC, Remedy, Splunk, ITRC, MQ, uDeploy.

Operating system

Red Hat Linux, Sun Solaris, Windows.

Databases

Oracle, SQL server and MS Access, PL/SQL, SQL* Loader, Performance

Professional Experience:

Company : Novartis, Emeryville, CA

Role : Middleware Admin

Duration : May’2016 to till Date

Roles and Responsibilities:

WebLogic Server administration in QA and Production environments under platform consisting of Red Hat Linux Operating systems.

Installing, configuring and administering of WebLogic, WebSphere MQ middle ware. Installed and configured Apache, Tomcat, MQ and LDAP Server and integrated with WebLogic Application server.

Continuous integration (CI) and automated deployments with tools like Puppet, Jenkins, Maven.

Worked on Incident and will giving priority to PROD system. Will troubleshoot and fix all the issues for high priority incidents, will provide root cause analysis (RCA).

Planning, designing, programming and implementing Infrastructure utilities/activities in account or cross-account support (automated or manual).

Monitored the performance using BMC REMEDY in a Production and Quality environment.

Experience in using build tools like MAVEN and ANT for the building of deployable Artifacts such as War & Ear from Source Code.

Experience with build tools Ant and Maven for writing build.xmls and pom.xmls respectively.

Implemented Load balancing of web applications by configuring WebLogic proxy plug-in.

Performance tuning by Managing and Monitoring the JVM performance by WebLogic Heap size, garbage collection, execute threads, EJB Cache size, JDBC pools and multi pools.

Configuring Data source on WebLogic server.

Deployed Applications (WAR, JAR, and EAR) in Domain and Clustered environment.

Used different types of ticketing systems for change controls & production escalations including responding to business users within the time frame of SLA defined for the customers

Configure LDAP using Netscape directory Server for user authentication.

Configured database connectivity using JDBC and Connection pools for Oracle WebLogic Application server11g/12c.

Configured, monitored and troubleshooting JMS implementations to include JMS topics and queues; and WebLogic distributed queues, clustered JMS implementations, and configuration /management of foreign JMS providers

Extensively worked on deployment and troubleshooting of components and applications in WAR, JAR and EAR formats in Domain and Clustered environments of BEA WebLogic Server.

Experience with basic database administration: installation, tuning SQL queries, indexing.

Managing and Monitoring the JVM performance by WebLogic Heap size and Garbage Collection parameters.

Developed Secured Web Services using SOAP/HTTP Nodes.

Configured load balancers (F5), network routing protocols, and Firewalls.

Implementation of Proxy backend REST or SOAP services by transforming, mediating, and integrating with existing large scale backend systems, all without requiring new service development or re-configuring existing backend systems.

Configured SSL certificates in both the Development and Production environments.

Configured Data sources and connection pools as in the part of JDBC connections.

Interaction with other support teams and other engineering stakeholders to get issues resolved.

Provide 24x7 on call support for Production environment on rotation basis.

Involved with the Customer Care and Deployment teams in troubleshooting and fixing day-to-day problems of the applications in production on 24/7 schedule

Generated Thread Dump and Heap dump for analysis.

Experience on uDeploy in WebLogic server.

Review Log files for troubleshooting application server and webserver.

Responding/resolve Applications issues within pre-defined Service Level Agreements (SLA).

Environment: WebLogic Application server v11g/12c, Tomcat v6.0, Solaris v10, web services, LDAP, JDK 1.4.2, JSPs, JVM, JRMC, JDBC, Apache 2.2.2, UNIX (Solaris 9.0/10.0, Linux 5), Soap UI, Python, ANT Script.

Company : Dex Media at Santa Monica, CA.

Duration : Dec’2015 to May’2016

Role : WebLogic Admin

Roles and Responsibilities:

Performed WebSphere and WebLogic Administration tasks such as installing, configuring, monitoring and performance tuning on Linux Environment.

Supported highly complicated multi component payment processing platform running on WebLogic, WebSphere, JBoss, Tomcat and Windows servers.

Supported Messaging Servers like Active MQ, WebSphere MQ and WebLogic JMS.

Installed JBoss AS 6.0 app servers and integrated with Apache 2.4 web servers for a J2EE app.

Configuring WebLogic Domains which includes Admin, Managed Servers, Clusters and Machine, Node Managers.

Configured JMS Queues, Connection pools and connection factories to connect to different databases and publish and receive JMS messages.

Used Wily Introscope dashboards for monitoring the performance of system and application processes.

Deployed various WAR, JAR, EAR applications in clustered environment.

Extensively worked on deployment and troubleshooting of components and applications in WAR, JAR and EAR formats in Domain and Clustered environments of BEA WebLogic Server.

Deploying and updating the Applications QA/Production Environment.

Performance tuning by Managing and Monitoring the JVM performance by WebLogic Heap size, garbage collection, execute threads, EJB Cache size, JDBC pools and multi pools.

Have good exposure in managing Apache or IIS.

Involved with the Customer Care and Deployment teams in troubleshooting and fixing day-to-day problems of the applications in production on 24/7 schedule.

Created custom scripts for monitoring WebSphere MQ, URLs, Database monitoring alerts in Sitescope.

Used HP-Service Management & BMC remedy tools to track tickets and respond to customer requests as the ticketing system for the service desk.

Configured WebSphere MQ to communicate with WebSphere & WebLogic application servers including using MQSC scripts to create Queues, Topics, Qmanagers & other objects for MQ.

Performance tuning by Managing and Monitoring the JVM performance by WebLogic Heap size, garbage collection, execute threads, EJB Cache size, JDBC pools and multi pools.

Configured the JNDIs for database, Oracle Applications, AQ and JMS adapters.

Installation and domain configuration of WebSphere application server 6.x and 7.x on Linux and windows platform.

Configuration of apache instances with WebLogic and all middleware servers.

Installation of Apache web server and upgradation of Apache from 1.x to 2.2.

Installation of Jboss servers and creation of clusters.

Daily health check and maintaining of servers.

Configured Data sources and connection pools as in the part of JDBC connections.

Documented the problems and workarounds of the product on this environment.

Environment: WebLogic 10g,11g, WebSphere Application Server v6.0/6.1, JDBC, JMS, JNDI, Apache, JBoss EAP-6, Apache 1.x, 2.2, Red Hat Linux 5.x, 6.x.

Company: Sysintelli Software & Services Pvt Ltd, Hyderabad.

Duration: July’2012 to Nov’2014

Role: WebLogic Administrator

Roles and Responsibilities:

Configuring WebLogic Domains, clusters, managed servers, machines, node manager.

Configuring and Managing Deployments of Web and Enterprise Applications.

Monitoring the WebLogic Servers in QA / Production / Development Environment.

Deploying Enterprise Java Beans (EJB’s) and monitoring the Application servers and Web servers, troubleshooting performance issues using the Log messages and Log files.

Deploying and updating the Applications in Development / Production Environment.

Configured database connectivity using JDBC and Connection pools for Oracle WebLogic Application server10g/11g.

Troubleshooting server issues.

Creation of WebLogic domains and setup Admin & Managed servers for JAVA/J2EE applications on Non-Production and Production environments.

Monitoring WebLogic/Jboss Server health and security.

Creation of Connection Pools, Data Sources in WebLogic console

Created and configured Data sources, connection pools Recycling the Application/web servers.

Supported 24/7 Oncall support in production environment.

Working on UNIX scripts as & when required.

Hosting new applications in the environment.

Working on the tickets which are assigned to me in ticketing tool: REMEDY.

Preparation of application support documents and updating it on regular basis.

Log files analysis in development, UAT and production environment.

Working on space issues on the WebLogic servers.

Documentation of regular issues.

Environment: WebLogic Server 10g, 11g, Apache, Solaris10, Windows XP, DB2, Oracle9i/10g,Sitescope, web services, LDAP, Oracle Access Manager, JDK 1.4.2, SOA, JSP, EJBs, JMS, SSL, JDBC, JMS, JNDI.

Education: Bachelor’s in Computer Science Engineering.

Contact this candidate