SUMMARY:

• Extensive experience of 7+ years in the field of IT and in BEA WebLogic Server administration and Oracle Fusion Middleware Suite in Development, System Integration, QA, and Production environments under cross platform consisting of Windows, Red Hat Linux, AIX and Sun Solaris operating systems.
• Extensive experience in Installing, Configuring, Tuning and troubleshooting of WebLogic Server 8.1, 9.2 and 10.x,12c in various environments.
• Expertise in the Administration, Installing, Configuring Web Servers like Apache 2.x, Jboss 5.0. - 7.0
• Proficient in Shell scripting and performance tuning of UNIX systems with proven skills in UNIX System Administration.
• Solid experience in developing and deploying the applications on multiple WebLogic Servers and maintaining Load balancing, High availability and Failover.
• Configured WebLogic domains using WLST.
• Expertise in deploying Enterprise Java Beans and J2EE Applications (WAR, JAR and EAR) on BEA WebLogic 10.x/9.2/8.1/7.0 and Tomcat application servers.
• Expertise in migration and upgrading of WebLogic Server and updating JDK versions and installing Service Packs of WebLogic server.
• Worked with Relational Databases like Oracle, Sybase, DB2, MS SQL Server.
• Extensive experience in configuring and managing secured environments using SSL and digital certificates.
• Managing and Monitoring the JVM performance by WebLogic Heap Size, garbage collection, JDBC Pools and taking thread dumps, pstack and prstat and analyzing to find the problems in application.
• Configured and administered JDBC Connection pools, JMS Connection Factories, WebLogic queues and topics and implemented other services like JTA, JNDI, Virtual Hosting and SNMP.
• Proficient in providing backup and recovery procedures for Oracle WebLogic Server.
• Hands-on experience in configuring Active Directory and Sun ONE Directory Server to add and manage users in Sun IDM.
• Extensive hands-on experience with WLST (WebLogic Scripting Tool) and UNIX Shell Scripts for various WebLogic Server tasks, monitoring statistics and running them as Cron jobs.
• Extensive experience in finding the Memory Leaks and tuning the JVM Heap Size by configuring Optimize IT and JProbe, JRMC to detect memory leaks.
• Configured Web Server plug-in (APACHE) for WebLogic application server.
• Expertise in configuring Node Manager to administer the Managed servers.
• Involved in doing a performance benchmark of WebLogic server by using Load Runner.
• Configured and handled JMeter and monitored the performance of production J2EE components such as EJBs, JSPs and Servlets.
• Provided 24/7 on call support to the development team in both testing and production environment, and analysis (troubleshooting) of log files to resolve issues.
• Quality Interpersonal, Presentation and Communication skills and ability to maintain good co-ordination with the team members.

TECHNICAL SKILLS:

Operating Systems: Solaris, Red Hat Linux, HP-UX, IBM-AIX, Windows server 2003/2008/2012.

Application Server: BEA WebLogic Server 7.x./8.x/9.x/10.x/12c, Oracle Fusion Middleware, JBoss 4.2.x/5.0, Apache Tomcat 5.5/6.x, Coherence 3.7, Fusion Middle Ware 11g

Messaging Server: Kafka, Active MQ, WebSphere MQ

Web Server: Apache 2.x, SunOne 6.x., Nginx

J2EE Technologies: Servlets, JSP, JDBC, RMI, JMS, JTA, JNDI, JMX, EJB, Applets, AWT, Spring Framework 2.0-3.1Scripting Languages: WLST, UNIX Shell Scripting, Python.

Monitoring Tools: HP BSM, HP Performance Manager, Splunk, JRockit Management Console, HP Sitescope, AppDynamics, Atternity.

Database: Oracle 8i/9i/10g/11g, MS SQL Server 7.x/2000, Sybase, Pointbase, My SQL, DB2, Neo4j

Networking & Protocols: TCP/IP, Telnet, HTTP, HTTPS, FTP, SNMP, LDAP, DNS, DHCP

DevOps Tools: Jenkins, Puppet, Build Forge, Maven, Nexus, GIT

PROFESSIONAL EXPERIENCE:

Confidential, Dallas, TX

Sr. Fusion Middleware Administrator/Layered Products Support, Principal Analyst I

Responsibilities/Past Projects:

• Migrated, installed and configured a .net application suite (CRM) on Windows Server 2008 and 2012.
• Expanded WebLogic domains for various applications on Internal Cloud infrastructure. In total added 100 plus JVMs in all environments.
• Built a self-sufficient cloud production environment for a critical application on a cloud infrastructure. Worked with automation team to automate expansion of environment on cloud.
• Added a new caching framework on top of WebLogic to provide cached responses using Coherence 3.7 to decrease service calls response time. In total added 100 coherence JVMs on production, close to 160 JVMs on all environments.
• SSL Support (Heartbleed, SHA1 to SHA2 Migration), Java Updates.
• Troubleshooting WebLogic environmental issues.
• Configured Apache and Tomcat with Ping Federate SSO for two tactical applications used by business for tracking IT vendors.
• 24/7 support of SOA architecture, 300 plus APIs
• Fixed Shell scripts to solve deployment issues on WebLogic.
• Profiled applications using MAT/JConsole.
• Supporting Deployments/Releases
• Documentation/New team member training

Environment: WebLogic Server 8.1/9.2/10.0 /10.3/12 c, Coherence 3.7, JBOSS 6x/7x, Red Hat Enterprise Linux 6, Windows 2003-2012, Spring Framework 3-3.1, Spring Batch 2.1.0-2.1.9, Active MQ, Jdk1.4/1.5/1.6,1.7/1.8, Oracle 10g/11g, Apache 2.1/2.2/2.4,

Sr. Middleware Fusion Administrator

Responsibilities:

• Installed, Configured and Administered WebLogic Server 10.3 and 10.0 MP2 in Development, System test, QA and Production environments.
• Involved in migration of J2EE application from WebLogic 8.1, 9.2 to WebLogic 10.0, 11g.
• Support and maintenance of Fusion Middleware Suite with 250 plus APIs
• Involved with the development teams in trouble shooting and fixing day-to-day problems of the applications on 24/7 schedule.
• Installed and deployed application on WebLogic application server and performed troubleshooting of issues related with deployments. Assisted in development of Spring Framework Applications including Spring batches.
• Involved in load balancing and performance tuning for various projects.
• Applied patches and service pack updates for WebLogic servers.
• Testing and profiling to measure the performance of applications.
• Worked with monitoring tools like HP OVO with WebLogic application server.
• Worked with development and testing teams to support build and release cycles.
• Designed an entire messaging interface and Message Topics using WebLogic JMS.
• Supported applications running on Tomcat 5.5
• Used HPSA for building and automation of server on a large scale.
• Performed baseline remediation and applied the latest oracle patches.
• Tuned several OS parameters to solve the log rotation and other issues.
• Performed scheduled maintenance activity on the application and webservers.
• Experienced in WLST, Python and shell scripting to automate tasks.
• Worked on call 24*7 for the production environments.

Environment: WebLogic Server 8.1/9.2/10.0 /10.3/12 c, JBOSS 6.0, Red Hat Enterprise Linux 6, SUN Solaris 10, Spring Framework 3-3.1, Wily Introscope 7.2.5/8.2.3, JProbe, JRMC, HP-OVO, OEM, MQ, HPSA, Jdk1.4/1.5/1.6, Oracle 10g/11g, IBM DB2, CVS, SunOne 6.1, Apache 2.1/2.2, BMC Remedy.

Middleware/WebLogic/JBOSS Administrator

Responsibilities:

• Installed, Configured and Administered WebLogic 8.1/10.0 in clustered environments.
• Responsible for handling the Support Incident Database - the online ticketing system.
• Configured domains, clusters, JDBC Connection Pools, Data sources, JMS Servers.
• Deployment and troubleshooting of JAR, WAR, and EAR files in clustered environment.
• Involved in monitoring mission critical applications using tools like Introscope and Sitescope.
• Design, Configuration and Testing of IBM MQ 6.0 Series as a foreign JMS with WebLogic Server.
• Configured LDAP using Netscape directory Server for user authentication.
• Installed the WebLogic Service Packs, WebLogic Patches.
• Involved in Migrating the setup from WebLogic 8.1 -> 10.0.
• Configured the reliable HTTP Session management for clustered applications, DNS, FTP and Virtual hosts.
• Installed and Configured Sun One Web Server 6.1 to proxy with WebLogic Server.
• Worked with Remedy change management tool to increase the availability of business critical systems and speed the implementation of changes.
• Provided backup and also provided the recovery steps for protection from the most common failure scenarios.
• Installed and configured JBoss 4 and integrated Apache Web Server to work with the Application Server.
• Configured BIG IP F5 Load balancer to provide high scalability, availability and reliability.
• Renewed WebLogic certificates, also installed the new certificates for the newly created regions.
• Developed scripts for automatic startup and shutdown of Admin Server and Managed Servers.
• Actively handling the on-call pager for Production-related issues on weekly rotations within the team.
• Tuned TCP/IP, JVM’s, Garbage Collections, Java Stack and Native Thread.
• Resolved complex issues related to subsystems such as Plug-ins, Security, JDBC, Clusters, EJB, Web Apps, Mail Session, XML registries, JMS, Server and Domain Migrations and JDBC Drivers.

Environment: WebLogic 8.1/9.2/10.0, Apache 2.0, SunOne 6.1, IBM MQ 6.0, Oracle 9i/10g, IBM-DB2, JBoss4, Oracle IDM, Solaris 9/10, F5 Load Balancer, Introscope, Sitescope, Siteminder, LDAP, BMC Remedy.

Weblogic/Tomcat Administrator

Responsibilities:

• Installed, Configured and Administered WebLogic Server 9.2/10.0 in Development, Staging, QA, Load Test and Production environments.
• Working with the team to develop Jython/WLST Scripts for automating deployments, control, and monitoring in WebLogic Server.
• Extensively worked on Deployment/Hot Deployment and troubleshooting of components and applications in WAR, JAR and EAR formats in Domain and Clustered environments of BEA WebLogic server.
• Migrated the production environment from a single JMS server to a clustered JMS server, analyzed the requirements, and then developed automated WLST scripts to satisfy the requirements.
• 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 5.5/6.0 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 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.

Environment: BEA WebLogic Server 10.x/9.2, Apache Tomcat 5.5, Apache Web Server 2.0, Red Hat Linux 5.x, JDK 1.4-1.6, Introscope 7.2.x, MS SQL Server 2005, LDAP, J2EE, SVN.

Middleware Administrator

Responsibilities:

• Designed and created BEA WebLogic Server 8.1/9.2 domains and managed Servers in Training and QA Environment as well as provided support to the System Test, QA and Production Environment.
• Upgraded BEA WebLogic Server 8.1 to WebLogic Server 9.2 in the Training and QA Environment.
• Automated the Deployment process of J2EE applications in WebLogic Server 8.1/9.2 using WLST (WebLogic Scripting Tool), UNIX Shell Scripts and weblogic.Deployer utility.
• Configured WebLogic JMS Servers, JMS Modules, JDBC Data Sources, JDBC Connection Pools, and Bridge to provide interoperability between WebLogic JMS and IBM MQ Series.
• Installed and configured Sun ONE (iPlanet) Web Server.
• Installed and configured Sun Identity Manager for WebLogic platform.
• Built and Deployed J2EE applications using Maven, SVN, CVS, and Winscp on WebLogic 8.1/9.2 for Release and Maintenance. Performed Smoke Test for the deployed applications to Validate its status is up and running.
• Installed and configured Apache HTTP Server 2.0 Plug-in as an Apache module on Red Hat Linux.
• Configured SSL (Secure Sockets Layer) and obtained digital certificates, private key for WebLogic server to provide secure connections.
• Configured and Troubleshoot WebLogic Node Manager for local / remote administration of Managed servers in SUN Solaris Platform.
• Configured the reliable HTTP Session management for clustered applications, DNS, FTP, and Virtual hosts.
• Log files analysis such as WebLogic server logs, node manager logs, Plug-in logs, thread dumps, verbose-gc logs for troubleshooting and Problem determination to resolve issues.
• Created Server Execute Queues and Tuned the parameters for better Performance of critical applications deployed in WebLogic Server 9.2.

Environment: WebLogic Server 8.1/9.2, Apache 2.0/2.1, Red Hat, SUN Solaris 8/9, HP-UX, Jdk1.4/1.5, J2EE applications, LDAP, Siteminder and Oracle9i/10g, Microsoft SQL Server 2005, SVN, Maven, CVS, HP OpenView.