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Weblogic/ Middleware Administrator Resume

Columbus, IN

SUMMARY:

  • Around 8 years of experience in WebLogic Middleware Administration in technologies like WebLogic, SOA, OSB & JBoss, Tomcat.
  • Good Middleware experience in WebLogic, SOA, JBOSS, Apache, Tomcat and its integrations with depended tools.
  • Experience in Web Administration using Apache HTTP, I Planet Web servers & IIS
  • Experience administrating Oracle Forms/Reports Server, Oracle Apache, Oracle Web Tier.
  • Configured and maintained Clustered environments for Load - balancing, High availability and Fail-over solutions of mission critical applications.
  • Experience in System Administration, System Builds, Server builds, Installations, Upgrades, Patches, Migration, Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning on UNIX Red Hat Linux Systems.
  • Expertise in fine tuning WebLogic Servers network latency, message size, message cache, CPU utilizations, connection pools, database connection pools, Work managers, JVM heap sizes.
  • Experience in installing and configuring Oracle Http server as a front-end webserver for different applications.
  • Expertise on integrating Oracle Identity Manager with other fusion middleware products like (OID, OAM) and third-party products (Active Directory)
  • Work closely with vendors to facilitate changes when needed
  • Responsible for maintaining changes to the environment and addressing the same to daily change control meeting.
  • Escalation of problems to Vendor support, Engineering and Development teams for further analysis
  • Trouble shoot complex problem and improve the processes.
  • Simplify processes by automating various tasks.
  • Experience in upgrading the environment to newer versions of Oracle Identity and Access Management systems.
  • Experience with various virtualization tools such as VMware Workstation, Oracle Virtual Box and Oracle VM Server to host Oracle Identity Manager (OIM) Components.
  • Extensive experience in setting up JMS, Data source, Load balancing, Session Replication, and Failover for J2EE based applications.
  • Having good knowledge on installing SSL certificates, generating self-signed, digital, CSR certificates.
  • Vast experience in deploying applications (JAR, WAR, RAR and EAR) and related troubleshooting in clustered environment using Admin console and WLST scripts.
  • Expertise in handling application issue and troubleshooting server-side issue like OutOfMemory, Garbage Collection, Hung Threads, Deadlocks, Slowness.
  • Expertise in fine tuning WebLogic Servers network latency, message size, message cache, CPU utilizations, connection pools, database connection pools, Work managers, JVM heap sizes.
  • Significant Knowledge of F5 Load Balancer with Web servers to provide scalability and reliability.
  • Performance Tuning, monitoring, profiling of applications, application servers and web servers
  • Experience in operational 24x7 support
  • Excellent communication and interpersonal skills
  • Automated various tasks like housekeeping, log rotation, remote deployments, build package etc. using Unix Shell Scripting, Python, ANT, WLST scripts.
  • Familiar with ACLs, DMZ and F5 Load balancer

TECHNICAL SKILLS:

Application servers: WebLogic 8.1/9.x/10.x/11g/12c, Tomcat 5.x/6.x, JBoss s EAP 4.x/5.x,6.x, JBoss Fuse 6.1.x

Web servers: Apache 2.x, Http, Sun one (iPlanet) 6.1, IIS server

Operating Systems: Solaris (8, 9, 10), Red Hat Linux 5.x,6.x,7.x, IBM AIX, Windows2003/2008, Unix

Tools: & Utilities: Site Minder, JRockit, Eclipse 3.0, ANT 5.1, Test-Director, JProbe, Jenkins

Databases: Oracle 8i/9i,10g, DB2, MySQL, SQL, MS Access

Languages: Java, C/C++,Visual C++, Visual Basic, PEARL

Web Tools: JSP, Servlets, JDBC, Java Script, WLST, Jython, Xml, Html

Protocols: TCP/IP,SNMP, HTTP,FTP

Packages: J2EE, JDK 1.5.x/1.6.x/1.7.x/1.8.x, J

Scripting: WLST, Shell, Perl & ANT Scripting

J2EE Technologies: JDBC, JNDI,JMS, AWT,EJB 2.0,Servlets 2.3,JSP 1.2,RMI, JTA

Networking: Http, Https, FTP, LDAP, TCP/IP, SSL, VPN, IDS, Network configuration, Network design, Network Security (Nessus, Snort)

PROFESSIONAL EXPERIENCE:

WebLogic/ Middleware Administrator

Confidential, Columbus, IN

Responsibilities:

  • Installation, Configuration, Troubleshooting and Maintenance of WebLogic 11g/12c, Oracle Fusion 11g/12c including SOA11g/12c, OSB11g/12c, Tomcat 7.x/6.x, Oracle Http Server(OHS) 11g/12c and Apache 2.0/2.2.x Web servers.
  • Tuning of Web Logic parameters such as JTA, JDBC connection timeouts, OIM DB and SOA connection time outs.
  • Excellent working knowledge in configuring multiple WebLogic domains including machines, manage servers, node managers and cluster environments.
  • Expertise in migration and up gradation of WebLogic Server and updating JDK versions, applying patches and installing service packs for WebLogic server.
  • Deployed the applications on multiple WebLogic Servers and maintained Load balancing, high availability and Failover functionalities.
  • Responsible for maintaining changes to the environment and also addressing the same to daily change control meeting.
  • Escalation of problems to Vendor support, Engineering and Development teams for further analysis
  • Trouble shoot complex problem and improve the processes.
  • Simplify processes by automating various tasks
  • Involved in deploying applications in different environments like Test, and Production.
  • Configured JDBC Connection pools, data sources using Oracle, and BEA Type 4 drivers.
  • Tuning of application server by modifying Execute Queue Thread, JVM heap and Jrockit JVM parameters
  • Configured and administered JDBC Connection pools/Data sources, JMS Connection Factories and other JMS artifacts like JMS Servers, Distributed Queues.
  • Installing and configuring Oracle Http Server (OHS) for many applications as a webserver.
  • Installing, configuring and troubleshooting experience in Oracle Data Integrator 11g/12c.
  • Good understanding and basic experience with UNIX System administration like stopping/starting services, rpm installations, mounting/un mounting file systems.
  • Involved in full life cycle of the project, tracking bugs and fixes for diagnosing the application server problems.
  • Monitor and manage SOA Components by using the Oracle Enterprise Manager Fusion Middleware Control Console to perform administrative tasks.
  • Maintaining Web hosting DMZ environment include technologies such as WebLogic & Web Servers on various operating systems such as Sun Solaris, Linux and Windows NT/2000.
  • Managing clustered environment.
  • Tuning application server by modifying Execute Queue Thread / JVM heap
  • Configuring Oracle database connection pools Confidential various application server level
  • Troubles shoot application and system level issues.
  • Deploying applications to various production environment using deployment tools.
  • Responsible for Fine Tuning of Web Servers, Application Server.
  • Excellent working knowledge of Operation & Production Support with large mission critical systems in multiple technologies and platforms including WebLogic, Jboss, Apache and UNIX
  • Troubleshoot SOA composite applications by performing corrective actions such as fault recovery.
  • Tuning and configuring Oracle SOA Suite 11g environment for high availability.
  • Continuously monitoring the applications by using OEM monitoring tool and fixing the issues.
  • Installed, Configured, Managed Monitoring Tools such as Splunk, Nagios, for Resource Monitoring/Network Monitoring/Log Trace Monitoring.

Environment: WLS 10g/11g/12c, SOA11g/12c, OSB11g/12c, ODI 11g/12c, Solaris 2.8/5.8, Linux 4.x, WebLogic Server 8.1 sp3/sp5, I Planet 6.0, Site Scope, Topaz, Apache 2.0, I Planet 6.0. Tomcat 6.x/7.x/8.x, Apache 2.2, Oracle HTTP Server(OHS) 11g/12c, OEM 12/13c, Big-IP, Splunk, AppDynamics, OEM 12c/13c.

WebLogic/ Middleware Administrator

Confidential, Rancho Cordova, CA

Responsibilities:

  • Installation, Configuration, Troubleshooting and Maintenance of WebLogic 10.2/11g/12c, Oracle Fusion 11g/12c including SOA11g/12c, OSB11g/12c, Tomcat 7.x/6.x, OHS 10g/11g and Apache 2.0/2.2.x Web servers.
  • Involved in Datacenter Migration and provided support.
  • Configured and created JMS queues & topics, Connection Factories, Data sources, connections pools & multi connection pools.
  • Installed and configured iPlanet/Apache Plug - ins for WebLogic.
  • Tuning of Web Logic parameters such as JTA, JDBC connection timeouts, OIM DB and SOA connection time outs.
  • Upgradation of WebLogic servers in development, testing and production environment and applying patches.
  • Modified existing scripts for automating deployment and administration tasks for recycling the application server, deploying customer applications, logs rotation, monitor applications.
  • Worked on Tuning the WebLogic Application Server, Applications and Webservers by changing the Heap Size parameters and tuning JVM's Garbage Collector.
  • Experience in configuring and managing secured environments using SSL and digital certificates.
  • Experience in installing SSL certificates on Apache OHS and Oracle HTTP Server and configuring the OHS with Hardware Load Balancer for any Fusion Middleware Product Stack.
  • Involved in Creating the Load Balancing Feature in BIG IP (F5 Software Load Balancer) using different algorithms and setting up DNS aliases, Virtual servers and pools.
  • Implemented Oracle Best Practices for OAM, OIM and Web logic on production environments.
  • Documented the complete steps for stress test analysis, tuning of the components and adding OIM clusters and replicating the configuration to production and DR environments.
  • Experience in identifying Memory Leaks and adjusting JVM Heap Size and Garbage Collector parameters during performance monitoring and performance tuning of WebLogic server.
  • Troubleshoot SOA composite applications by performing corrective actions such as fault recovery.
  • Tuning and configuring Oracle SOA Suite 11g environment for high availability.
  • Deployed web and enterprise applications on Jboss application server.
  • Involved in 24/7 On-call support for production environment and UAT environment
  • Document backup and DR procedures, logs retention policies, domain build process, SOA/OSB/WLS installation and verification steps, file system and directory layout.
  • Deployed WAR files on Tomcat servers and integrated Tomcat with Apache webserver using mod jk.
  • Configured data sources in Tomcat and actively participated in monitoring and troubleshooting of tomcat related issues.
  • Experienced using JIRA, Defect Tracker and Cherwell Remedy tool for service request tickets and change requests.
  • Provided Root Cause Analysis documents for various Tomcat/Apache related issues.

Environment: Tomcat 6.x/7.x/8.x, WLS 10g/11g/12c, Solaris 2.8/5.8, Linux 4.x, WebLogic Server 8.1 sp3/sp5, I Planet 6.0, Site Scope, Topaz, Apache 2.0, I Planet 6.0. OSB11g/12c, SOA11g/12c, Apache 2.2, JBoss EAP 5.1, Oracle HTTP Server, OIM 11gR2 PS3, OHS 11g/12c, Big-IP, App Dynamics, SVN, GIT, Shell scripts.

Oracle Middleware Administrator

Confidential, Los Angeles, CA

Responsibilities:

  • Maintaining web hosting DMZ environment which include technologies such as WebLogic/SOA/OSB on various operating systems such as Solaris, Linux and Windows NT/2000.
  • Installation, Configuration, Troubleshooting and Maintenance of WebLogic Server 8.1 sp6, WebLogic 10.2/11g/12c, Oracle Fusion 11g/12c including SOA11g/12c, OSB11g/12c and Apache 2.0/2.2.x Web servers.
  • Configure and tune WebLogic domains/applications for performance, scalability and reliability
  • Configuration and Administration of OSB, OBAM and Oracle SOA Suite 11g/12c and its components. Integrate Services through Adapters.
  • Maintaining Web hosting DMZ environment include technologies such as WebLogic & Web Servers on various operating systems such as Sun Solaris, Linux and Windows NT/2000.
  • Managing clustered environment.
  • Monitoring application server via third party software.
  • Tuning application server by modifying Execute Queue Thread / JVM heap
  • Configuring Oracle database connection pools Confidential various application server level
  • Troubles shoot application and system level issues.
  • Responsible for Fine Tuning of Web Servers, Application Server.
  • Deployed the Java applications into Tomcat web application servers and TC Server Instances.
  • Performed all necessary day - to- day Subversion/GIT support for different projects.
  • Deployed web and enterprise applications on Jboss application server
  • Experience in monitoring tools such as AppDynamics, Splunk, manage and develop metrics and KPI reporting on OEM12c Cloud Control.
  • Installed and configured OIM and OAM 11g R2 High availability setup with Web Logic Clusters along with SOA Suite.
  • Implemented and customized Oracle Identity Manager (OIM) (11gR2) and Oracle Access Manager (OAM) according to client infrastructure requirements.
  • Fine-tuned WebLogic configuration and OIM & OIM configuration for optimal performance.
  • Scripting in multiple languages on UNIX, LINUX and Windows - Batch, Shell script.
  • Work closely with the Networks and Security Team in opening firewalls required for the infrastructure.
  • Provided Root Cause Analysis documents for various middleware issues.

Environment: WLS 10g/11g/12c, OSB11g/12c, Solaris 2.8/5.8, Linux 4.x, WebLogic Server 8.1 sp3/sp5, I Planet 6.0, Site Scope, Topaz, Apache 2.0, I Planet 6.0.SOA11g/12c, Apache 2.2, JBoss EAP 5.1, Oracle HTTP Server, Tomcat 6.x/7.x, OIM11g R2, OAM 11gR2, Big-IP, App Dynamics, Splunk, OEM12c Cloud Control.

WebLogic/ SOA Administrator

Confidential, Juno Beach, FL

Responsibilities:

  • Involved in the migration of WebLogic from 9.2 to 10.3.
  • Installation, Configuration, Troubleshooting and Maintenance of BEA WebLogic server 8.1/9.2/10.x, Oracle SOA11g & Oracle Service Bus 11g.
  • Involved in all administration tasks like Installation, Configuration, Deployment and Troubleshooting of WebLogic Servers 8.1 on various operating systems such as Sun Solaris & Linux.
  • Involved in SEV calls with other team members and application team for resolving the high priority issues in Production environment.
  • Simplify processes by automating various tasks e.g. application deployment process, remote restart.
  • Environment: Solaris 2.8/5.8, Linux 4.x, WebLogic Server 8.1 sp3/sp5, I Planet 6.0, Apache 2.0., JDK 1.4, Jrockit Mission Control, IIS 6.0.
  • Involved in setting up and configuring WebLogic/SOA Suite/Oracle Service Bus cluster for multiple environment.
  • Provided support to Production, Staging, QA, Development environments for code deployments, changes and general support.
  • Configure and Administer of OSB, Oracle SOA Suite 11g and its components.
  • Monitor troubleshoot and tune OSB, Oracle SOA Suite 11g components.
  • Created multiple domains and maintained clustered environment for various projects.
  • Involved in 24/7 On - call support for production environment and UAT environment
  • Configuring SSL in Apache and WebLogic servers.
  • Provided documents related to root cause for various middleware issues.
  • Document backup and DR procedures, logs retention policies, domain build process, SOA/OSB/WLS installation and verification steps, file system and directory layout.
  • Implementations of SOA purge scripts based on the retention policy.

Environment: Solaris 2.8/5.8, Red Hat AS 4.0/5.3, Solaris 2.8/5.8, Linux 4.x, WebLogic Server 8.1 sp3/sp5, I Planet 6.0, Site Scope, Topaz, Apache 2.0, I Planet 6.0. JBoss 4.2.3 & Jboss 5.1 EAP, WebLogic Server 8.1 sp5/9.2/10.3, Oracle Service Bus 11g, Oracle SOA11g, Apache 2.2, Big IP F5.

WebLogic Administrator

Confidential

Responsibilities:

  • Handling all the major enterprise releases, deployments, configuration/architecture changes and fine - tuning of BEA WebLogic environment
  • Creating and configuring JDBC and multi pool connection pools for automatic database failover.
  • Work with Performance analysts in fine-tuning the applications.
  • Configuration of WebLogic Domain, Cluster and Managed servers.
  • Designing and implementing the Application, Database and backup Fail-Over strategies.
  • Installation, Configuration and Administration of BEA WebLogic Application Servers 8.1 on SUN Solaris Server Platforms, Red Hat Linux and Microsoft Windows 2000
  • Setup of the Cluster Environment for various WebLogic environments.
  • Tuning application server by modifying Execute Queue Thread / JVM heap/JDBC connection Pools/JTA/ JMS
  • Responsible for analyzing and troubleshooting all WebLogic related issues by the application team in various environments like DEV, QA, Staging & Production Provided 24X7 supports on a rotation basis.
  • Responsible amongst team for day-to-day tasks.
  • Deploying applications to various production environment using deployment tools.
  • Escalation of problems to Vendor support, Engineering and Development teams for further analysis
  • Performance tuning the JVM to suit the specific application needs.
  • Installation of SSL certificates and key stores for the WebLogic clustered environment.
  • Installing of HTTP plug-in for Apache, I Planet and IIS.
  • Configure SSL in Apache, I Planet and WebLogic servers.
  • Involved in 24/7 On-Call support for Production and UAT environment

Environment: Solaris 2.8/5.8, Red Hat AS 3.0/4.0, WebLogic Server 8.1 sp3/sp5, I Planet 6.0, Apache 2.0, BMC Patrol 7.5, IIS 6.0, HP Service Guard, WebLogic 9.2, WebLogic 10.1, MQ V6.0/5.3.

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