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Sr. Middleware Administrator Resume

Dallas, TX

PROFESSIONAL SUMMARY:

  • 7 Years of IT experience in installation, configuration, deployment and management of Enterprise Applications using Jboss EAP 6.x/5.x, WebSphere Application Server 8.x, 7.x, 6.1, 6.0, 5.x, on Solaris, AIX, Linux, HP - UX and Windows platforms.
  • Extensive experienced in installation, configuration and maintenance of WAS in clustered and non-clustered environments on Solaris, HP-UX, Linux and Windows NT/2000 platforms.
  • Experienced in setting up the development, testing and production environments with good exposure to Testing and De-bugging.
  • Experienced in finding the Memory Leaks and adjusting the JVM Heap Sizes and GC Parameters.
  • Extensively worked with Performance, Clusters, and preferably Load Balance.
  • Experienced in Configuration and setting up security policies like security domains using LDAP.
  • Experienced in content management system(CMS) which is for editing and modifying content.
  • Expertise in setting up WAS - MQ connectivity by configuring JMS settings in WAS console and debugging issues related to WAS- MQ connectivity issues.
  • Strong technical knowledge includes WebSphere Application server implementation, fail-over support, workload management (WLM) using horizontal scaling and vertical scaling and performance tuning.
  • Experience in Layer 7 API Management tool to Administer the integration of Layer7 API management devices with web service applications to provide security and transformation services.
  • Monitor and troubleshoot the applications using tools like ITCAM, Splunk, Site Scope, wily Introscope and BMC Patrol.
  • Good experience in complete life cycle management of all Middleware software including installation, configuration, tuning,patching, upgrading and migrating.
  • Worked with OracleWeb logic, Jboss support technical support team to support various critical issues.
  • Experience in Shell scripting to automate system administration jobs.
  • Extensive experienced in installation, configuration and maintenance of WAS in clustered and non-clustered environments on Solaris, HP-UX, Linux and Windows NT/2000 platforms.
  • Hands on experience on tools i.e., Splunk, New Relic, Eclipse, Jboss Developer Studio, Soap UI, HP Performance Center, Putty, Super Putty, Database tools etc
  • Experienced in automating Administrative tasks like application deployment, config changes and run-time operations using Weblogic scripting client with jacl, perl, shell, jython scripts.
  • Experience in Web Sphere Cluster Management including horizontal clusters, vertical clusters, Edge components, Workload Management (WLM), WAS Resource analyzer.
  • Worked with vendors to bring timely solutions and implement fixes.
  • Have been working with complete lifecycle management of all middleware software including installation, configuration, tuning,patching, upgrading and migrating.
  • Responsible forWebSphereData Power XI52 Environment in performance analysis, implementation, project leadership, maintenance, and technical documentation.
  • Expert in migrating IBM ESB to open sourceJbossFuseusing Apache Camel.
  • Administered Jboss, Tomcat and Apache HTTP Server.
  • Experience in Weblogic Server administration 9.2, 8.1
  • Good Knowledge in testing web services via SOAP, using the open source testing tool Soap UI.
  • Experienced in performance tuning and Capacity planning.
  • Well experienced in writingshell scriptsin bourne and korn shells, wroteJACL, python, jythonscritps to automate most of theWebSphere administrative tasksvia thewsadminutil,CRONjobs and deploy onLPARS.
  • Excellent team worker and ability to quickly adopt and work under minimal supervision. Ability to communicate requirements effectively to team members and manage applications. Extensive experience in providing24/7on-call support for applications running onIBM WebSphere J2EE application servers
  • Used Puppet Servers for configuring, installing automation in integrated platform services.
  • Experienced configuring mod cluster with both Domain mode and Standalone mode to easily scale Jboss Domains.
  • Used different CI tools like Jenkins for Content publishing, repository sync and version management systems like SVN and Configuration Management tools like Puppet, chef.
  • Strong Knowledge in IBM HTTP Servers (IHS).
  • Extensive experienced in deployingJ2EE applicationson WAS on various platforms usingWAS Adminconsole.
  • Provide 24x7 supports for Production and Development Environments.
  • Knowledge of System Development Life Cycle (SDLC).
  • Excellent Analytical and Logical programming skills with a good understanding at the conceptual level.

PROFESSIONAL EXPERIENCE:

Confidential, Dallas, TX

Sr. Middleware Administrator

Responsibilities:

  • Experience in installing, configuring and maintenance of JBOSS EAP 6.x/5.x, Jboss EWS, Apache Tomcat 6/5 servers on Redhat Linux platform.
  • Administered, configured, tuned, and troubleshot Java Applications on a Jboss Clustered environment.
  • Configured Jboss JVMs with heap settings, Log path settings.
  • Installed configured, administeredJbossFuse6.1 on Red Hat Enterprise Linux machines
  • Experience with process documentation and process documentation tools (such as Visio)
  • Analyze JBOSS server log files, thread dumps, logs, configuration files, dump files and core files to identify the possible causes of the problem. Worked with start and stop scripts for Jboss Environment.
  • Set up Secure Sockets Layer (SSL) communication betweenApacheand theWebLogicApplication Server.
  • Installation of Jboss EWS Server and configuration of mod-jk.conf, modcluster.conf, http.conf files in Jboss Environment.
  • Experience in Enterprise Integration patterns (EIP).
  • Lead variousWebSphereprojects like migrating WAS v6.1 to 8.5,patchingvarious vulnerabilities (including TLS, POODLE), migrating WSRR from 8.0 to 8.5.
  • Integrating WAS with MDM InfoSphere, enabling secure communication to various backends (like MQ, DB2).
  • Monitor and managing theWebLogicserver instances using WSLT and also for the automation purpose.
  • Involved in trouble shooting and fixing day-to-day problems of the applications in production, production-Fix and testing environments.
  • Involved in Migration from IBM ESB on premise toJbossFuseESB.
  • Install and configure Oracle SOA suite, components, and adapters
  • Installed and configured IBM Http Server,WebSphere Application Server Network Deployment (ND), 6.0/6.1/7.0.
  • Experience in troubleshooting, applying patches and plug-in for WAS 5.0/6.0/7.0
  • Experience in Installation, Configuration of Sessions and Global Security in WAS.
  • Worked with Global Security, SSL and LDAP.
  • Promote SOA integration artifacts and configurations from dev to QA and deploy to production
  • Worked with MQ Queue Managers and its objects using MQ Explorer and MQSC Commands. Experience defining and managing Full Repository Queue Manager Clusters.
  • Support deployment and promotion of Layer7 services, including enhancements and automation of the deployment process. Provide incident and problem management and troubleshooting of enterprise service bus Incident Management.
  • Able to maintenance and support experience with data virtualization tools (Denodo).
  • Strong experience with Perl scripting.
  • Experience in WebSphere Liberty.
  • Analyzed, recorded and modified client-server traffic using Wily (CA) introscope.
  • Involved in troubleshooting and performance tuning using Resource Analyzer and Log Analyzer.
  • Experience in Layer 7 API Management tool to Administer the integration of Layer7 API management devices with web service applications to provide security and transformation services.
  • Deployed Puppet, Puppet Dashboard, and PuppetDB for configuration management to existing infrastructure.
  • Developed Cron jobs and Shell Scripts (tk, Jython, Perl, ksh) for automating administration tasks like file system management, process management, backup and restore, automate application install, uninstall and application enhancements through shell scripts WSCP, JACL, Jython scripts
  • Placing requests for the new infrastructure and building new environments as per the requirement of onboarding projects.
  • Integrated WebLogic and Jboss with Proxy servers (Sun One, Apache) and Authentication servers (Siteminder).
  • Worked on enabling WebSphere global security using Local OS and TDS LDAP(LTPA mechanism), SSL configuration, ordering digital certificates, creating key database using ikeyman and keytool tools, import/export certificates and create self-signed certificates.
  • Experience in installing, configuring, and maintenance of Tivoli, Wily (CA) introscope on all the environments.
  • Working on periodical Password changes for Data sources and OS Servers in all the Environments.
  • Package, build, Integrate and deploy enterprise J2EE applications on Apache Tomcat 5/6 that involves EAR (Enterprise Archives) and WAR (Web Archives).
  • Monitor, Deployed applications and managing the web server instances using Jenkins and also for the automation purpose.
  • Reviewed Web Server, Application Server Performance Monitoring data using both Wily Introscope and Tivoli Performance Viewer and reviewed historical Tivoli logs for root cause analysis, recurring events and involved in troubleshooting.
  • Administered the build tools like SVN Collabnet and Jenkins applications in WebSphere application server
  • Used Jenkins for automation of deployment and build process.
  • Prepare RCA for production issues with root cause analysis.

Environment: Jboss EAP 6.x/5.x, Tomcat 7.x/6.x/5.x, JbossFuse 6.2,J2EE,Apache 2.x,Site Minder, Perl Scripting, Shell Scripting, Dyna trace, WebSphereApplication Server V8.0.0.12/WXS 8.5.0.3, GIT, Red Hat Linux 6,XML Parsing, Unix, Puppet 3.2.2, Layer7 8.2.2, Oracle 10g, MQ client 6.0, Remedy, Jenkins 1.556, JMS.

Confidential, Dallas, TX

Sr. Middleware Administrator

Responsibilities:

  • Configured the Iplanet and IHS Web servers to communicate with the application servers.
  • Highly experienced in configuring Wily Introscope Manager/Agent/clustering, in order to monitor WAS
  • Performed root-cause analysis for Production outages and provided management with analysis reports.
  • Well versed in creating resources, modifying properties, view runtime attributes, commit modifications and securing administrative server using Authentication, Authorization, Certificates, Credentials, Permissions, WebSphere Resources (Servlets, JSP files, HTML files).
  • Experience in configuring SSL security for the HTTP servers and the plugin
  • Highly skilled in updating plugin and config file for troubleshooting and improving performance.
  • Configured global security for WebSphere Application Server using IBM Directory Server as LDAP user registry and configured SSL for ldap communication.
  • Performed Backup & Recovery for WebSphere.
  • Performed WebSphere configuration, backup and restoration tasks (by using backupConfig, restoreConfig commands etc).
  • Configured Session Persistence using different RDBMS Databases.
  • Deployed the applications on multiple Weblogic Server instances and maintained Load balancing, high availability and Fail over for the servers.
  • Upgradation of WebLogic and WebSphere servers in development, testing and production environment and applying patches.
  • Configured and setup Secure Sockets Layers (SSL) for data encryption and client authentication.
  • Monitoring and tuning Web Sphere application servers for performance.
  • Applying Change Requests.
  • Responsible for tuning the JVM to suit the specific application needs.
  • Auditing (Performance, Scalability) Applications and Application Servers.
  • Configured Node manager for administering Managed Servers.
  • Good experience in using WAS command line tools.
  • Created MQ Series objects on local and remote MQ servers.
  • Using security exists and channel exists for providing security to MQ Objects.
  • Created and configured MQ Objects like Queue Managers, Remote Queues, Local Queues, and Queue Aliases.
  • Designed distributed queuing client server architectures and configured MQ.
  • Enabling triggering on queues.
  • Involved in applying patches for WebSphere, WebLogic Server and Apache Web Servers.
  • Monitoring application performance using Wily Introscope. Setting up the Introscope to alert for various metrics (CPU, heap, threads).
  • Worked on tuning Application Server and Web Servers by changing the Heap Size parameters and tuning JVM's Garbage Collector.

Confidential, Minneapolis, MN

Middleware Administrator

Responsibilities:

  • Installed, Configured and administered and supported WebSphere Application Server 6.0/6.1/7.0/8.0/8.5.
  • Implemented Horizontal and Vertical Clustering, Performance tuning and troubleshooting of IBM WebSphere Application Server 6.0/6.1/7.0/8.0/8.5.
  • Responsible for the definition, planning and execution of all infrastructure activities required to support the WebSphere, WebLogic, Jboss, and Apache Tomcat.
  • Handling all changes /deployments following standard ITIL process.
  • Installation and configuration of new environments hosted on different platforms.
  • Configured Hot Deployment setup for WebSphere and Tomcat applications.
  • Deployment on WebSphere, Data power, WebMethods, WebLogic, Tomcat, Apache along with Incident and problem handling.
  • Load Balancing of all applications hosted on WebLogic/WebSphere/Jboss servers.
  • Deployment and validation of all environments
  • Research and troubleshoot problems related to the Application and Webserver.
  • Installed EARs, WARs and configured application specific JVMsettings, Web container parameters using the Admin Console and WSCP/WSAdmin scripts.
  • Installed Apache Tomcat 6.0.39/7.0.39.
  • Installed mod jk, worker.properties configurations on apache 2.2.23 and Tomcat 6.0.39/7.0.39.
  • Deployed war files on Tomcat 6.0.39/7.0.39.
  • Worked on Performance tuning of WebSphere Application Server, especially of Garbage collection phenomenon, heap sizing and upgrades for high performance of applications.
  • Strong experience on Intranet and Extranet applications.
  • Worked closely with Developers and QA to troubleshoot the code issues.
  • Used JIRA ticketing tool to assign tickets to team.
  • Monitored and tuned JVMs, JVM heap size, garbage collections in Development, System Test, Staging and pre-production.
  • Provided recommendations on environment standards, product leveling, performance tuning, new project consulting, recommend broadened usage of WebSphere functionality.
  • Installed and configured Oracle WebLogic Application Server 10.x/11g on Sun Solaris 8/9, Red Hat Linux environments and provided necessary standard infrastructure template documents to build QA and other environments.
  • Performed installation of WebLogic software binary across different environments using automated as well as manual procedures.
  • Provided support by 24x7 shift rotation basis and monitored trouble ticket queues to attend user and system calls

Confidential

WebSphere Administrator

Responsibilities:

  • Experience in Installing, Configuring and Administering WebSphere Application Server, IHS and Plug-in.
  • Experience in Installation of Profiles and Federating the Nodes.
  • Taking care of application Deployments through scripts and manual deployments.
  • Hands on experience in deployment of J2EE applications on WebSphere Application Servers 6.X.
  • Analyzing logs, Head Dumps and Thread Dumps.
  • Plan and implement the installation of fix packs, interim fixes.
  • Experience in setting up WebSphere Global Security.
  • Experience in Configuring SSL for Application Server, Web Server and Plug-in.
  • Handling Tickets in the System Administration Queue.
  • Deployed Applications in different Environments as Requested by the Development Teams.
  • Handled out of memory issues.
  • Have involved in plugin issues.
  • Involved in L1 Support for WebSphere Application Server.
  • Provided Support by 24x7 Shift Rotation Basis

Environment: WebSphere Application Server 6.0/6.1, Apache 2.0.47, IHS 6.0/6.1, RedHat Linux 5.x, Windows XP

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