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Middleware Administrator Resume

Columbus, IN

SUMMARY:

  • 7 + years of experience in IT industry with Administration, analysis, design and maintenance of client/server and web applications as the primary tasks.
  • Extensive experience with Administration of WebLogic Application Servers 10g, 11g and 12c Clustering (WLS), Apache web Servers.
  • Expertise in installing, configuring WLS domains, load balancing, performance tuning, deploying, troubleshooting and maintaining of WebLogic servers 12c, 11g and 10g with JDBC, JMS, JNDI and J2EE Services.
  • Having a good knowledge on clustered environments and client - server architecture.
  • Experience in setting High Availability and clustering for SOA suite.
  • Installed and configured and administered SOA, BPEL, OSB and OHS server.
  • Experience in deployment in SOA suite with Stage, No-stage, External stage modes.
  • Experienced in SOA Suite, Agile PLM, Web center and Oracle Application Server administration and deployments.
  • Provided 24x7 on call support in production environment on rotation basis.
  • Deployed different Applications (WAR, JAR, and EAR) in Domain and Clustered environment.
  • Coordinated with Oracle to resolve issues related with WebLogic products.
  • Well Versed in WebLogic, Apache, LDAP, Reverse Proxy, Load balancer and Trouble shooting skills.
  • Experience in Web Services architecture in SOAP and WSDL, administering BigIP.
  • Well versed with deployment, migration, patching, upgrades and maintenance of middleware applications.
  • Experienced in Java and J2EE technologies which involves JDBC, Servlets, JSP, JMS, Web Services, SOAP, and various configuration tools like Clear Case, VSS, CVS, and SVN.
  • Experienced with J2EE application servers (Tomcat), Oracle, MySQL, Shell, HTTP, and Apache in UNIX and Linux.
  • WebLogic and Tomcat Administrator experience, with knowledge in clustering, JMS, Connection Pools, J2EE Deployments, Thread Dump Analysis.
  • Responsible for Continuous Integration (CI) and Continuous Delivery (CD) process implementation using Jenkins along with Shell scripts to automate routine jobs.
  • Experienced on capacity planning and performance tuning of J2EE applications and platforms, using Wily Introscope.
  • Automating deployments to server using Jenkins tools for continuous integration.
  • Expert in backup and recovery procedures, good exposures to Testing and Debugging applications.
  • Ability to effectively prioritize and handle multiple tasks and projects utilizing IT process knowledge and full System Development Life Cycle (SDLC).
  • Developed processes, tools, automation for Jenkins and DevOps based software for build system and delivering SW Builds.
  • Experienced in applying plug-ins for WebLogic Application Server.
  • Experienced in WLST, scripting in shell scripting (bash), maven and ANT scripting to automate and monitor the WebLogic routine tasks.
  • Experienced in finding the Memory Leaks and adjusting the JVM Heap Sizes and GC Parameters.
  • Demonstrated ability to work both as an individual contributor and in a team environment.
  • Committed team player with strong analytical and problem-solving skills, Willingness to relocate and ability to quickly adapt to new environments & technologies, dedicated to successful project completion with excellent communication and interpersonal skills.
  • Ability to understand client requirement and provide the best solution. A keen desire to learn and update knowledge base and skill sets to keep abreast of latest technologies and trends.

TECHNICAL SKILLS

Application Servers: Oracle OSB, SOA, OIM, Oracle Weblogic Server 8.1/9.x/10.3.x/11g/12.2.1, MQSeries 7.x/6.x, WebSphere 5.x/6.x,Tomcat 4.1/5.x, 6.x/7, JBoss4.x/5.x/6.x/7

Web Servers: Apache HTTP Server, Sun One (iplanet) 6.0/ Sun One, IBM HTTP Web Server, IIS server(5/6)

Programming Languages: JAVA/J2EE, Visual Basic, SQL, PL/SQL

Operating Systems: Unix, Solaris (8, 9, 10), Linux (3, 4), OEL 4/5, IBM AIX, Windows 2003/XP

Tools/Utilities: BMC Patrol, Site Minder, TOAD, Sun N1, Eclipse3.0, Ant5.1, API, F5, Website pulse, Wiley Introscope, Jrockit Mission Control, Nagios, BMC Remedy, SOAPUI, SQL Developer, Appdynamics, Cruise Control, Manifest, JIRA, Wiki, Lunt Build, Pacman

Databases: Oracle 8i/9i/10g/RAC, DB2, Sybase, Point Base, MySQL, SQL server and MS Access.

Scripting Languages: JSP, Servlets, JDBC, Java Script, WLST, Jython, XML, HTML, Shell Scripts, Perl, korn shell

Framework: MVC, Apache Struts, Spring

PROFESSIONAL EXPERIENCE:

Middleware Administrator

Confidential - Columbus, IN

Responsibilities:

  • Installation of Web Logic, SOA, OSB and WSM servers in Single and Clustered environment.
  • Installation and Configuration of Oracle HTTP Server (OHS) for routing all the requests through a proxy server.
  • Involved in Configuring cluster for Load Balancing and for High Availability.
  • Experience in Oracle web logic server security configurations including SSL certificate installation and configuration.
  • Imported around 30 certificates which helps in the integration of 3rd party service to WebLogic Key store and Java trust store.
  • Monitor and manage SOA, OSB by using the Oracle Enterprise Console, Service Bus console and perform administrative tasks.
  • Taking Thread dumps and analyzing to find the problems whenever there is stuck thread.
  • Patching SOA, Web Logic and OSB.
  • Upgrading Java from 1.7 to 1.8 in the current production environment.
  • Premium consultation for business continuity for SOA by providing the best architecture to the Clients.
  • Configuring, Deploying and Monitoring SOA composite applications and resources. Monitoring Web Logic Server Statistics.
  • Tuning and configuring Oracle SOA Suite 11g environment for high availability. Performing RCA for outages and other issues.
  • Resolving all issues within given SLA's.
  • Configured Disaster Recovery SOA application which is brought up when the production goes down.
  • Supporting SOA and OSB applications as a part of production support.
  • Involved in Configuring DB, File, FTP, AQ and JMS Adaptors.
  • Drilling in to Admin and Managed server logs to find exceptions and errors when requested from Development team.
  • RCA for out of memory issues (For Java heap size and Perm gen space) and application hanging whenever CPU utilization is above 100%.
  • Providing 24/7 on call support for production.
  • Created a shell and python script which monitors the status of all the servers inside a domain for every 10 seconds (Time can be configurable) and send out an email if the health of the servers is anything other than 'RUNNING'.

Environment: Oracle Fusion Middleware, Shell and WLST, SOA11g/12c, Web logic 11g/12c, OSB 11g/12c, OHS11g/12c.

Sr. WebLogic/SOA Administrator

Confidential - San Francisco, CA

Responsibilities:

  • Installation and configuration of WebLogic, SOA 12c/11g on Linux/Unix/Windows environment and integrating with OHS.
  • Performed 24x7 Production support for the several applications across different business areas.
  • Performed J2EE application deployment and administration including JAR, WAR, and EAR files.
  • Worked on Oracle SOA, BPEL, and Oracle OSB. Performed Installation and Administration of Apache, webserver 2.2.14/2.2.19/2.2.20.
  • Initially used Ant for writing build.xml for building Java/J2ee applications later migrated to Maven.
  • Configure and administered of JDBC, JMS in WebLogic Server 11g and 12c.
  • Install and configured SSL certificates for Apache web server in various environments.
  • Installed and configured and administered SOA, BPEL, OSB and OHS server.
  • Created schemas using Repository creation utility (RCU).
  • Configured DB adapters, File Adapters in SOA domain.
  • Deployed the applications on multiple WebLogic Server and maintained Load balancing, high Availability and Fail over functionality.
  • Used Jenkins as continuous integration for building archives and deployed the archives post build in the servers.
  • Configured and administered JDBC connection pools, multi pools and data sources.
  • Installed and configured OEM 11g & 12c.
  • Configured global security in WebLogic using LDAP authentication
  • Created and Configured Data Sources for database connectivity and JMS resources.
  • Used Config wizard and WLST scripts to create and manage WebLogic domains and Node Manager.
  • Performance tuning of JVM heap size, garbage collections, java stack and Native thread & production performance.
  • Responsible for Continuous Integration (CI) and Continuous Delivery (CD) process implementation using Jenkins along with Shell scripts to automate routine jobs.
  • RCU usage and deep understanding, and Maintaining Oracle Service Bus (OSB)
  • Configuring SOA composite application resources, Configuring JMS Server and its modules on SOA and OSB.
  • Monitoring application performance using Wily Introscope. Setting up the Introscope to alert for various metrics (CPU, heap, threads).
  • Application's migration of WebLogic server from previous version to current versions.
  • Analyzing thread dump and heap dump for WebLogic application server.
  • Experience with Oracle WebLogic, UNIX Shell scripting, CVS or other source control system and multi-threaded/multi-process application.
  • Worked with F5 Networks-Big-IP for high availability load balancing of traffic to the various internet web services.
  • Created Service request with Oracle to fix unresolved bugs or issues.
  • Worked on the version control systems SVN and CVS and source forge control system.

Environment: WebLogic Server 11g, 12c, JDK, J2EE, JSP, Servlets, EJB, LDAP, JDBC, XML, Apache, Oracle 11g, Site Minder, SOA 11g, Jenkins, WLST, UNIX (Solaris 8/9.0/10.0, LINUX 5 ), Windows.

WebLogic Administrator

Confidential, GA.

Responsibilities:

  • Installing and Configured WebLogic11g Servers, WebLogic Portal Servers Domains and Clusters.
  • Configuring and Administering JDBC, JMS, JNDI in WebLogic Server11g.
  • Automating deployments to server using Jenkins tools for continuous integration.
  • EAI Middleware support and enhancement for WebLogic Integrator based Integration applications.
  • Experience in setting of High Availability and clustering for Oracle SOA suite.
  • Involved in maintenance of production SOA instances.
  • Worked on upgrades from Patch set 4 to Patch set 5.
  • Configured continuous integration build and deployment's thru Maven and Ant scripts.
  • Worked as Administration, maintenance, support and scaling of Application Servers (WebLogic, Tomcat etc.).
  • Performed role as Performance Capacity Engineer for WebLogic and other middleware infrastructure.
  • Performance tuning at WebLogic domain level and OS level, performance tuned WebLogic JVM heap, threads, and JDBC and JMS subsystems.
  • Worked on upgrading the environment from WebLogic 10.x to 11g.
  • Deployed applications (WAR, JAR and EAR) using WLST Service Provisioning System.
  • Developed ANT build scripts, UNIX shell scripts and auto deployment process.
  • Worked on Certificates generation and installation using Open SSL and Key tool.
  • Web Server / Proxy Server Setup and Administration (Apache, Tomcat).
  • Strong knowledge and working experience on Optimization and performance tuning techniques.
  • Configured and created JMS queues & topics, Connection Factories, Data sources, bridges & connections pools & multi connection pool.
  • Environment: Oracle SOA Suite, WebLogic Server 10.g/11g, Apache web server, WebLogic portal, JDK, J2EE, JSP, Servlets, EJB, JDBC, XML, Oracle9i, Ant1.5.1, Linux, FTP.

WebLogic Administrator

Confidential - Los Angeles, CA

Responsibilities:

  • Deploying the WAR, EAR Applications in Non-Production and Production Environments.
  • Installation of WebLogic and Tomcat on Non- Production and Production Environments
  • Involved in Application support and maintenance activity
  • Creation of WebLogic domains and setup Admin & Managed servers for JAVA/J2EE applications on Non- Production and Production environments.
  • Monitoring WebLogic/Tomcat Server health and security.
  • Creation of Connection Pools, Data Sources in WebLogic console.
  • Deployed the EAR/WAR files and contributed in writing scripts for automated deployment of the applications
  • Developed/customized new/existing SHELL, PowerShell and Jython (WLST) scripts to monitor and atomize environments
  • Developed the build environment, the source code control system and the issue tracking systems.
  • Created and tested builds, resolved issues, applied labels to file and communicated build status.
  • Troubleshot RHEL & Windows related issues such as High CPU, Memory Utilization, File system full
  • Provided 24x7 3L production support for Apache server and WebLogic application servers on Red Hat & Windows platforms.
  • Configured, managed, and administered domains, nodes, managed servers in ORACLE WebLogic & JBOSS.
  • Troubleshooting, Load balancing, Clustering, Deploying Applications, Performance Tuning and Maintenance.
  • Working with clients, resolving their issues, giving the analysis of the issues.
  • Start and stop servers.
  • Handling Change/Incident/Problem management activities.
  • Handling the faults that are raised on Production 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.
  • To liaise with various teams to ensure tasks/activities are handled as per schedule.
  • To communicate early warnings about system downtime to users.

Environment: WebLogic 10.1, Tomcat, Linux, Java, J2EE, VMware, Oracle10g/11g, Remedy 7.1.

WebLogic Administrator

Confidential - Brooklyn Park, MN

Responsibilities:

  • Installed, configured and maintained WebLogic server 9.0 and 10g in domain and clustered environment.
  • Installed and configured Tomcat and sun one web server to work with WebLogic server.
  • Deployed WAR, JAR, EAR applications in WebLogic 10g
  • Configured Node Manager for running managed servers.
  • Installed and configured Apache HTTP Server 2.0 and Sun One Web Servers in various environments.
  • Configured and administered JDBC Connection pools/multi pools/ data sources on Web logic.
  • Installed and configured LDAP server using Sun One Directory server for user authentication.
  • Experience in working with Site Minder and Oracle Access Manager for authentications, authorizations and single sign on.
  • Created data sources, JMS servers, JMS destinations for WebLogic server
  • Configured plug-ins for Apache HTTP server and Sun One Web server to proxy the request for WebLogic server.

Environment: BEA WebLogic Server 10g, Apache HTTP Server, Sun Solaris 8 and 9, Windows 2000/NT, Oracle 9.x, SQL Server 2000.

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