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Sr. Weblogic Engineer Resume

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Chicago, IL

OBJECTIVE

  • To secure a challenging and rewarding Middleware Administrator position where my functional abilities would be a valuable asset, while providing an environment for career growth and personal development.

SUMMARY

  • More than 6+ years of IT industry experience with Five years in WebLogic Sever 7.x/8.x/9.x/10.x/11g/12c Administration/Development/Deployment and other Servers (IBM WebSphere 7.0, 8.0, 8.5, 8.5.5, IBM HTTP Server, Tomcat, Apache Server, iPlanet).
  • Expertise in Installation, Configuration, Trouble - Shooting and Maintenance of WebLogic Server 7.0/8.1/9.x/10.x/11g/12c,IBM WebSphere Server 7.0/ 8.0/ 8.5/ 8.5.5 , JBOSS 6.0/7/7.1, iPlanet Web Server, Apache Web Server on different UNIX/Windows flavors and environments.
  • Experience with Apache Webserver 2.2/2.4 and Tomcat 7.0/ 8.0.
  • Excellent understanding of installation, application deployment, monitoring and maintenance of Apache Webserver 2.2/2.4 and Tomcat 7.0/8.0 on UNIX/Windows environments.
  • Experience in Maintaining WebLogic Server on different UNIX and Windows platforms and setting up the Development, Testing and Production environments.
  • Deploying J2EE Application archives (JAR, WAR, EAR and RAR) and Web-Based/E-Commerce on Web Logic Application Server and JBOSS 6.x/7.x.
  • Configured and administered JDBC connection pools.
  • Varied experience in Clustering (both horizontal and vertical), Workload management, creation and maintenance of Domains, Nodes and Managed Servers instances in a WebLogic and WebSphere server environments.
  • Installed and configured Apache Web Servers in various environments.
  • Deployed applications on multiple WebLogic Servers and maintained Load balancing, High Availability and Fail over functionality.
  • Experienced in applying patches and plug-ins for WebLogic Application Server.
  • Extensive experience in finding the Memory Leaks and adjusting the JVM Heap Sizes, using the Optimize IT and JProbe.
  • Working knowledge of JBOSS 6.x/7.x and exposure to distributed queuing architectures.
  • Extensive experience in configuring and managing secured environments using SSL and digital certificates.
  • Experienced in J2EE (JSP, Servlets, EJB, JNDI, JMS), Java1.7, JDBC, Java Beans, RMI, JavaScript, XML, HTML, SQL, C# ASP.NET.
  • Working knowledge of IBM MQ Series, SiteMinder.
  • Good working experience in server side JavaProgramming using J2EE technologies - Servlets, Applets, JSP, JDBC, RMI, JNDI, EJB.
  • Good working knowledge on Oracle Enterprisein Linux/Windows OS environments.
  • Experience in Ticketing tools like HP PPMC and Production monitoring tools like HP M360, Oracle EM and http analyzer tools.
  • Good understanding of Load Balancing using F5, SiteMinder and DNS.
  • Good business understanding, Networking skills and Application work flows.
  • Expertise in writing UNIX Shell Scripts (KSH), WLST.
  • Strong troubleshooting skills in WebLogic Application Server platforms.
  • Experience managing multiple concurrent tasks and projects.
  • Responsible in providing 24x7 on-call supports for product delivery platforms and application troubleshooting and problem resolution, including managing, escalating, scheduling and reporting corrective actions.
  • Ability to focus on complex tasks and to understand interaction of this technology area with parts of the infrastructure.
  • Experienced in installing Certificates on various Web Servers and WebLogic Application Server Platforms.
  • Technically competent person for the technology in a particular area.
  • Customer focus to ensure quality and timely responses.
  • Strong & effective communication skills.

TECHNICAL SKILLS

Operating Systems: Solaris, Red Hat LINUX, HP-UX, IBM-AIX, Windows 98/2000/NT/XP/Win7/Win8

Programming Languages: C, C++, JAVA/J2EE, SQL, PL-SQL, C# ASP .NET

Application Server: WebLogic Server 7.0, 8.1 (sp3 - sp6), 9.2MP2 & 10.0/10.3, 11g, 12c, Apache Tomcat 6.x, 7.x, 8.x, JBOSS 6.0,7,7.1, WebSphere 7.0,8.0,8.5, 8.5.5

Web Server: Apache 2.2, 2.4 Sun ONE 6.x, IBM-HTTP 8 Server

J2EE Technologies: Servlets, JSP, JDBC, RMI, JMS, JTA, JNDI, JMX, EJB, Applets and swing components, AWT

Web Technologies: JDK 1.7,1.8, HTML, XML, DHTML, MSXML, ASPX, PHP

Scripting Languages: WLST, UNIX Shell Scripting (Bourne, Korn, C and Bash), Perl Scripting

Monitoring Tools: Wily Introscope, JMeter, JConsole, Mercury Load Runner, Grinder, Samurai, AppDynamics, Splunk.

Databases: Oracle 8i/9i/10g, 11g, 12c, MS SQL Server 8.x/2000, Sybase, Pointbase, My SQL, MS Access and DB2

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

PROFESSIONAL EXPERIENCE

Confidential, Chicago, IL

Sr. WebLogic Engineer

RESPONSIBILITIES:

  • Installed, deployed, monitored, maintained and configured WebLogic server 9.x/10.x/11g/12c using graphic, console and silent mode in UNIX/Windows systems.
  • Configured web logic NodeManager for running managed servers.
  • Used config.xml file wizard extensively to create and manage WebLogic domains.
  • Experience in Installation, Configuration, Deployment and Management of web and enterprise applications on WebLogic Servers.
  • Administered WebLogic server and Apache Tomcat 5.5 involving 20+ Java Applications.
  • Automated the Deployment process of various WAR, JAR, and EAR applications in clustered environment using WLST and Perl scripts.
  • Used WLST and Perl scripting to get run-time parameters. Generated and analyzed Heap dump and Thread dump. Monitored WebLogic performance using WilyIntroscope.
  • Involved in monitoring error logs, troubleshooting and fixing the problems.
  • Deployed ATOM extension on all WebLogic admin servers/consoles for managing atom components- properties, reloadable caches, locating class path resources.
  • Configured domains, clusters, JDBC Connection Pools, Data sources, JMS Servers.
  • Deployed the applications in formats of WAR, JAR, and EAR in different WebLogic versions.
  • Worked on upgrading JDK versions, also WebLogic servers from lower versions of 9.x, 10.x to 12c making sure all the applications are running after performing upgrade task.
  • Performed upgrade task of OES client from 11gR1 to 11gR2.
  • Involved in application migration from older server environments to newer server environments providing high availability and accessibility.
  • Successfully decommissioned older applications and servers from all test and production environments.
  • Performed WebLogic server administration tasks like configuring Managed servers and setup cluster environment.
  • Set up Wily for monitoring, notification, root cause analysis and data reporting.
  • Involved in quarterly disaster recovery sessions and supported the applications making sure they run smoothly before and after the checkouts and traffic migration.
  • Installed and configured JBoss Application server.
  • Deployed web and enterprise applications on JBoss application server.
  • Provided online and on-call support during application go-live timeframe. Also involved in troubleshooting during such times.
  • Prepared documentation concerning the new applications giving system/project overview, topology of test-prod environments, directory structure, application architecture, monitoring and management details, troubleshooting steps. Also Environment matrix sheet listing hostnames, cluster name, domains, OS, WebLogic and Java version, console URLs, application and WebLogic log path.
  • Used Winscp and FTP for secure file transfer. Used beyond Compare for text comparison.

ENVIRONMENT: WebLogic Server9.x/10.x/11.x/12.x, JDK 1.4/1.5/1.6/1.7/1.8 , JRockit, Apache 2.x, Tomcat 7.0/8.0, Sun One/ iPlanet, IIS 6, Solaris 8, 9, Red Hat LINUX 6.5 Santiago, Windows 2007, F5 Load balancer, SiteMinder, Nagios, JMX, Oracle 8i/9i/10g/11g, 12c, JDBC, LDAP, subversion, EJB, JSP, Servlets, XML, MS Office, OpenSSL, Secure SSH, Winscp, FTP, Beyond Compare.

Confidential, Phoenix, AZ

Sr. WebLogic Administrator

RESPONSIBILITIES:

  • Installed and configured WebLogic Application server 8.x/9.x/10.x/11x using graphic, console and silent mode and configured the WebLogic domain.
  • Determined and suggested hardware and software specific to the System and customized it.
  • Configured NodeManager for running managed servers.
  • Installed and configured Apache HTTP Server 2.0, Tomcat 7.0, IIS and Sun One Web Servers in various environments Installed and configured plug-in for Apache HTTP server and Sun One Web server to proxy the request for WebLogic server.
  • Experience in analyzing the proxy serverlog in comparison with WebLogic logs to narrow down the malformed request.
  • Performed migration and upgradation tasks like upgrading WebLogic server 9.x/10.x to WebLogic11.xand updating JDK’s and installing service packs and patches for WebLogic Server.
  • Worked on Oracle Fusion 11g architecture making most of the investment in applications.
  • Installed, configured and administered JBOSS 6.0 server in various environments.
  • Used centralized configuration for multiple servers in JBOSS domain mode.
  • Experienced in Batch-Scripting for automating and reducing the time taken for everyday tasks.
  • Worked on IBM MQ series to provide proper communication between applications on different platforms enabling visualization and automation of business processes.
  • Deployed web and enterprise applications on JBoss application server.
  • Troubleshooting everyday problems in WebLogic Application Server and issues by interacting with developer and testing teams and provided 24x7 On Call Production support on rotation basis.
  • Used Nagios to identify and resolve IT infrastructure problems in various components including applications, services, servers and network protocols.
  • Deployed various J2EE and enterprise applications (WAR, JAR, RAR, EAR) on WebLogic managed servers and cluster environment and maintained Load Balancing, High Availability and Failover.
  • Created BASH and KSH scripts to monitor domains, recycle clusters, monitor disk space, monitor number of Apache connections, and run them as Cron jobs for timely running programs Configured JNDI as repository for EJB Home stubs, JDBC data source, JMS connection factories, queues and topics.
  • Configured and administered JDBC Connection pools/multi pools/ data sources on WebLogic Server.
  • Also responsible for installing and configuring third party software necessary to test products such as Apache Server.
  • Installing of HTTP plugins for Apache, iPlanet and Microsoft IIS.
  • Involved in monitoring error logs, troubleshooting and fixing the problems.
  • Handled Memory issues, such as application leak, WebLogic leak and sun java bug by tuning and profiling memory with third party tools.
  • Implemented security by configuring Secured Socket Layer (SSL) for client authentication and data encryption.
  • Configured LDAP server using Sun One Directory server for user authentication.
  • Configure SiteMinder with Web servers.
  • Configure F5 load balancer with Web servers. Used F5 to capacity, performance and reliability of the applications.
  • Used OIM for access management, directory services, decision making and strengthening security.
  • Developed and run UNIX shell scripts, Perl scripts and implemented auto deployment process.
  • Solved server hang issues such as Deadlock, Application and Database level lock by taking thread dump and analyzed to get the root cause of the hang.
  • Set up Wily for monitoring, notification, root cause analysis and data reporting.
  • Performance monitoring and JVM Heap size and EJB monitoring using Wily Introscope and Load testing using MercuryLoad Runner and Jmeter with Thread and Heap analysis Using Samurai thread dump.
  • Used Subversion (SVN) to maintain present and historical source code versions and documentation.
  • TDA and Heap Analyzer for detecting blocking and locked threads.
  • Used HP OpenView for managing applications, network conditions and status across the platform.
  • Implemented standard backup procedures for both application and WebLogic server.
  • Involved in assisting QA team in Load and Integration testing of J2EE applications on WebLogic Server and resolved complex issues.
  • Involved in a team to design a strategy and well organized planning in data center migration using TDS.

ENVIRONMENT: WebLogic Application Server 8.x/9.x/10.x,11x JDK 1.4/1.51.6/1.7 , JRockit 8x, Apache 2.x, Tomcat 7.x/8.x, Sun One/ iPlanet, IIS 6, Solaris 8/9, Red Hat LINUX, Windows 2007, F5 Load balancer, SiteMinder, Nagios, JMX, Oracle 8i/9i, JDBC, Subversion, EJB, JSP, Servlets, XML,MS Office, OpenSSL, Secure SSH.

Confidential, North Vernon, IN

Middleware/WebLogic Administrator/Production Support

RESPONSIBILITIES:

  • Deployed the applications on WebLogic Servers10.x/11g and maintained Load balancing, high availability and Failover functionalities.
  • Configure Clustering EJB objects, JDBC connections and JMS connection factories.
  • Configured Node manager to administer the Managed servers.
  • Supported on call schedule for Production Support.
  • Deployed the applications like formats of WAR, JAR, and EAR in WebLogic 11g/ 10.x.
  • Configuring and Administering JDBC, JMS, JNDI in WebLogic Server 11g.
  • Install, configure and administer BEA WebLogic Server 11g in various environments.
  • Install and configure Apache Web Server in various environments.
  • Configure and administered of WebLogic server with Oracle 11gdatabase.
  • Configuration and administration of Connection pools for JDBC connections.
  • Used configuration wizard and configuration builder extensively to create and manage WebLogic domains.
  • Setting up the cluster environment for WebLogic Server integrated with multiple workflows.
  • Used Oracle Fusion for development, deployment and management of SOA suite
  • Involved in doing a performance benchmark of WebLogic server by using Load Runner.
  • Used Nagios to provide centralized view of IT infrastructure and help with status information, detection of infrastructure outages, automatic restart of failed applications and services and overall monitoring reporting
  • Installed, configured and administered JBOSS 6.0 server in various environments.
  • Used JBOSS framework to support the development and implementation of applications
  • Configured and deployed applications in various work environments like Development, System Test and Production.
  • Research and Troubleshooting of emerging application issues, from WebLogic configuration to code issues.
  • Used Batch-Processing to avoid idling computing resources and keeping high rate of utilization and shift the time of job processing
  • Developed ANT build scripts, UNIX shell scripts and auto deployment process.
  • Configure JNDIserver as repository for EJB Home stubs, JDBC data source, JMS connection factories, queues and topics.
  • Applying the patches to the WebLogic servers.
  • Configured F5 Load Balancer Implemented standard backup procedures for both application and WebLogic.
  • Testing and profiling to measure the performance of the applications.
  • Used alfresco content management for web, documents, records and content development.
  • Conducted performance and scalability audits of applications and the application servers.
  • Integrating and managing solutions with IIS, iPlanet LDAP, and Directory Smart single sign-on.
  • Problem determination using local error logs and by running user traces and service traces.
  • Documenting design procedures and test plans.

ENVIRONMENT: JDK1.6/1.7, J2EE, Jrockit, JSP, Servlets, EJB, LDAP, JDBC, XML, Oracle9i, WebLogic Server 8.1, Win2K, AIX, Solaris, Linux, OIM, Alfresco, subversion.

Confidential, New York, NY

WebLogic Administrator

RESPONSIBILITIES:

  • Involved in migration of WebLogic server from WebLogic 10.3 to WebLogic 11g.
  • Installation, Administration and Configuration of WebLogic Application Server 10.3/11g with backend like DB2, Oracle 10g RAC, Sybase Gateway, IBM MQ, Web Methods and other local system.
  • Installation and configuration of Apache and SunONE (iPlanet) Web Server including SSL configuration and proxy plug-in for application server.
  • Writing Ant/WLST/Jython script to stop/start WebLogic servers/cluster, deployment of code.
  • Manually performed J2EE application deployment using WebLogic console and administration including JAR, WAR, and EAR files.
  • Configuring Web services in WebLogic server for remote application access of SOAP calls to other application in different domain.
  • Created WebLogic Domains with Clustered Managed Server for Development/QA/Performance/Production/Disaster Recovery environment and maintaining domains for different Project for each environment.
  • Developed and maintained UNIX shell scripts that monitors and zip the log files for BEA WebLogic 10.3/11g.
  • Created Cronjob with UNIX shell scripts for Monitoring of various WebLogic attributes for Production Servers which helps to send Alert through emails as well as to Pagers.
  • Coordinating with network team to configure Cisco Load Balancer for request distribution to apache web layer.
  • Involved in Performance Testing and tuning of WebLogic server with respect to heap, execute queue, Work Manager and load management in a cluster, threads and connection pools and also solving issues with applications during the Performance test.
  • Involved in partial setup of Wily Introscope, installing Wily Agent on WebLogic servers and creating dashboard for monitoring CPU usage and WebLogic statistic.
  • Had to co-ordinate with WebLogic Portal team for the frontend application portal setup. Trouble shooting any issue with Portal team and make sure applications are launching properly from the portal page.
  • Installed and configured BEA Guardian 1.0 on Windows Server 2003 to trouble shoot issue with WebLogic Domain configurations.
  • Make myself available to application architect to provide WebLogic infrastructure support and creating WebLogic Portal as frontend and other application installed on WebLogic Server as backend calls.
  • Was involved in Migration for connection pool drivers for DB2 from Type-2 to Type-4.
  • Was involved with upgrading Sybase connection pool driver from version 2 to version 3.
  • Coordinating with Autosys group to help them to prepare jil files which can be used for automatic controlling of WebLogic Production domains.
  • Working with infrastructure team to deliver environments for each project release on time.
  • Used alfresco content management system for virtualizing Webapps and static sites via Apache Tomcat.
  • Involved in Disaster Recovery events testing and making sure Disaster Recovery environment is well available in case Production environment has any issues.
  • Comfortable with IBM MQ 6.0 use in WebLogic 10.3/11g as foreign JMS configuration.
  • Involved in connectivity setup for applications between WebLogic and WebSphere server.
  • Maintaining code and configuration file in version management tool like ClearCase.
  • Opening and assigning application defect to appropriate groups using HP Quality center tool.
  • Involved in trouble shooting production issues and opening case/ticket with Oracle/BEA for any critical issue.
  • Involved in creating SSL certs and renewing certificates for node manager and MQ.
  • Preparing documents for Production implementation for all Project releases.
  • Available as on call for Production support.

ENVIRONMENT: WebLogic Server 10.3/11g, Weblogic Portal, BEA Guardian 1.0, Solaris OS 8/10, Actuate Reporting,, J2EE, JSP, Servlets, EJB, LDAP, JDBC, XML, Oracle 8/10g, DB2, Ant1.5.1, Wily Introscope 7/7.2, Alfresco, Autosys 4.5, IBM ClearCase, Subversion, SiteMinderNetegrity, NDM, WebMethods.

Confidential

Network/ System Administrator

Responsibilities:

  • Performed hands-on administration, monitoring, and troubleshooting of Local Area network (LAN), resulting in optimum performance and minimum downtime.
  • Administer Microsoft Windows Servers (Active Directory), Microsoft Workstations, and network security devices for 150 users. Performed system installation, general troubleshooting and maintenance for business clients and the public.
  • Responsible for e-mail system and Internet Information Server, meeting employee and customer needs 24/7.
  • Managed all new install projects for servers, switches, and other network resources
  • Managed and motivated staff and assigned workloads. Conducted training on equipment and software utilization.
  • Provided accurate and prompt support to public users, utilizing high level of customer-service skill and technical expertise.
  • Planned, analyzed, designed, implemented, managed, and upgraded networking equipment for client offices.
  • Advised clients on policies regarding the safety and security of servers and equipments.

Environment: LAN and WLAN Network Architecture, Proxy server, DHCP, DNS server, Apache web server, IIS Web Server, Active Directory, Windows XP, Windows 2000 server, Linux, Linksys switches and router.

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