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Application Implementation Engineer Resume

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Hightstown, NJ

PROFESSIONAL SUMMARY

  • Over 7+ years of extensive experience in the IT industry with 6+ year’s of Weblogic Administration, Monitoring, Troubleshooting and Maintenance on Web Logic Servers.
  • Extensive work experience in supporting critical production environments.
  • Expertise in UNIX, Solaris, LINUX and Windows System administration operations.
  • Expertise in Installation, Configuration, Trouble - Shooting and Maintenance of BEA/Oracle Web Logic Server 8.1/9.x/10.x/11g,ORACLE OSB 11g, ORACLE SOA 11g, Oracle BPEL10.x/11g, iPlanet Web Server, OHS, Apache Web Server on different UNIX& flavors and Windows environments.
  • Expertise in Installation, Configuration, Trouble-Shooting and Maintenance of JBOSS application server JBoss 4.2.x, JBoss 5.1.
  • Installed JRockit and Sun JDK in Dev, Stage and Production environment. Monitored system critical parameters such as garbage collection, memory leaks, CPU utilization etc.
  • Experience in Maintaining BEA Web Logic Server on different UNIX platforms and setting up the Development, Testing, and Staging and Production environments.
  • Well versed with class path, log locations, WebLogic/SOA Suite scripts
  • Strong experience with Infrastructure virtualization like VMware ESX.
  • Deploying J2EE Application archives (JAR, WAR, EAR and RAR) and Web-Based/E-Commerce on Web Logic Application Server.
  • Strong knowledge in Clustering EJB objects, JDBC connections and load balancing on Web logic and Tomcat servers
  • Experience in configuring Node Manager to start and stop managed servers from admin console.
  • Experience in both Clustered and non-Clustered environments.
  • Expertise in writing WLST scripts using Jython/Python for starting, stopping servers, Node managers and deploying applications.
  • Configured Security realms on Weblogic to enable Active Directory LDAP authentication
  • Familiarity using Load Balancing techniques (local and global)
  • Experience in finding the Memory Leaks and adjusting the JVM Heap Sizes and GC Parameters.
  • Experience in working with development teams to troubleshoot server related application issues, performance issues and application performance tuning.
  • Experience in Java performance testing and troubleshooting using JConsole, JRockit Mission Control and JProfiler.
  • Strong experience in performing root cause analysis to investigate the reasons for server and application related issues and suggesting solutions
  • Experience in Java deployment work such as packaging, release and build issues for a J2EE system.
  • Experience in 24x7 on-call production support and trouble-shooting problems related to BEA.
  • Configured and administered JDBC, JMS, JTA, JNDI, SNMP and Node Manager to administer the Managed Servers in Weblogic Application Server
  • Experience working with Relational Databases like Oracle 9.i/8.i, MS SQL Server 2000 8.x/2005.
  • Proven ability to define System hardware requirements, analyze capacity and made appropriate modifications as per application design and better performance.
  • Excellent client relation skills and drive to complete tasks effectively and efficiently where customer services and technical skills are demanded.
  • The ability to communicate effectively with all levels of management and the client community.
TECHNICAL SKILLS

Application Servers: Weblogic7.0/8.1/9.x/10.x/11g,iPlanet,WebSphere5.x/6.x,Apache,Tomcat4.x/5.x, JBoss 5/6

Operating Systems: Unix, Red Hat Enterprise Linux 4/5, SUSE Linux, HP-UX, IBM-AIX, Sun Solaris, Windows 2003/2008 Sever.

Languages: Java, C, C++, SQL, .NET, PL/SQL, Unix Scripting, Shell Scripting, WLST.

J2EETechnologies: JSP, Servlets, Struts, EJB, Web Services(Apache Axis 2),Spring, Hibernate, SOAP, WSDL, HTML, JDBC, JNDI, XML, XSL, JMS,IBM MQ JAXP, JAXB, Java Script.

Design Patterns: MVC, Singleton, DAO,SOA, Session Façade, Business Delegate, Service Locator

Tools/Utilities: Cute FTP, TME10, Jprobe, Ant, Maven 2.0, XMLSpy, Big IP F5, Site minder 4/5/6, TOAD, Oracle Service Bus (OSB), ReverseProxy

Protocols: T3, T3S, Kerberos, DAP,Http, Https, Ftp and TCP/IP.

IDE: IBM RAD 6.0, WSAD 6.0/5.1/4.0, JBuilder and Net Beans.

Databases&DBTools: Oracle 8i/9i, MS SQL Server 2000, TOAD, SQL Navigator, SQL Plus, MS Access

CASE & Version Control: Clear Quest, JIRA, CVS, Perforce, Visual Source Safe, Subversion(SVN).

Testing Tools: JUnit, Win Runner 8.2, Test Director.

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

Parsers: DOM, SAX, and JAXB.

PROFESSIONAL EXPERIENCE

Application Implementation Engineer

Confidential, Hightstown, NJ

Responsibilities:

  • Installation and Configuration of BEA Web Logic Application Server 9.2/10.3/11g, Oracle SOA, BPEL, OSB 10.x/11gon Unix, SUN Solaris 9.0/10.0 and Windows environment .
  • Responsible for maintaining Weblogic Application Server on UNIX platforms .
  • Responsible for setting up development, testing, staging and production environments for the on-going application development.
  • Installation, Configuring, troubleshooting and maintaining the Web logic 10.x/11g and Apache web server.
  • Wrote Shell Scripts to automate processes (cron tasks).
  • Configured OSB to use for throttling, guaranteed delivery, and JMS queue.
  • Deployed JAVA EE applications on multiple Web Logic Servers and maintained Load balancing, high availability and Fail over functionality (disaster recovery).
  • Created the connection pools, various data sources, JMS connection Factories, Queues and topics.
  • Configured Execute Threads, Connection Pools and JMS Bridges etc; for different components of the retailed applications.
  • Responsible for implementing clustering on both Web logic and Tomcat based server environments.
  • Implementing ReverseProxy through mod proxy utility of Apache.
  • Responsible for writing WLST scripts to perform tasks such as monitoring domains, recycling clusters, starting, stopping servers, Node managers and deploying applications
  • Configured and managed secured environments using SSL and digitalcertificates.
  • Responsible for setting up HP SiteScope and Nagios monitoring based on weblogic and apache server parameters
  • Identified performance bottle necks and suggested device replacement and repair.
  • Responsible for performing root cause analysis and identify solutions to issues such as Server Crashes, Hangs and Out of Memory issues in various JDKs
  • Maintained logs related to network functions, their performance and tracked maintenance and repair records
  • Managed and Monitored JVM performance by Weblogic Heap Size, garbage collection, JDBC Pools
  • Developed scripts (start, stop, backup & recovery processes) for web application server administration.
  • Involved in Migration of DataCenter Servers for installing and configuring Apache webservers and Apache Tomcat webservers .
  • Migrated the physical servers hosting the WebLogic and JBOSS
  • Deployed multiple IP remediated applications as a part of the migration and tested the new applications successfully .
  • Registered the servers from the new DataCenter to the new Policy Server for Authentication of the applications.
  • Worked with different teams (Platform, Network, Storage) as a part of the Migration to remediate Application and webservers.
  • Involved in 24/7 support for production environments.

Environment: Windows 2003/2008 server, Red Hat Enterprise Linux (8.0, 9), Weblogic Application Server 10.x/11g, Windows (95, 98, NT, 2000, XP), Oracle Service Bus 11g, Nagios (10.X 11.X), Shell Scripting, Oracle 9i, JBoss (5.1, 7.0), Oracle Weblogic Integration 10g, Oracle SOA 11g, BPEL 11g, Jrockit JDK 28.2.7 ,

Confidential, Durham, NC

Product Support Tech Advisor

Responsibilities:

  • Installation and Configuration of Oracle Weblogic Server 9.2/10.3/11g on Windows environment.
  • Responsible for maintaining Weblogic Application Server on Windows platforms
  • Responsible for setting up development, testing, staging and production environments for the on-going application development.
  • Installed Weblogic Integration servers, configured domains for deploying applications.
  • Installation, Configuring, troubleshooting and maintaining the Oracle WebCenter Portal 11g , Weblogic 10.x/11g, Weblogic Integration 10g, SOA, OSB, BPEL, Oracle HTTP Servers and Apache web servers .
  • Installed Oracle Management Agents on target hosts and configured Oracle Management Server for OEM12c implementation .
  • Configured OSB to use for throttling, guaranteed delivery, and JMS queue.
  • Deployed applications in JAVA EE on multiple Weblogic Servers and maintained Load balancing, high availability and Fail over functionality (disaster recover y).
  • Created the connection pools, various data sources, JMS connection Factories, Queues and topics.
  • Worked with ADF-BC4J Components and implemented ADF JAZN Security.
  • Configured Execute Threads, Connection Pools and JMS Bridges etc. for different components of the retailed applications.
  • Responsible for implementing clustering on both Weblogic and Tomcat based server environments .
  • Implementing Reverse Proxy through mod proxy utility of Apache and OHS .
  • Configured BEA/Oracle Web logic on a single server and clustered environment.
  • Responsible for writing WLST scripts to perform tasks such as monitoring domains, recycling clusters, starting, stopping servers, Node managers and deploying applications.
  • Installed, Configured and Administered JBOSS 5.1/7.0 as a standalone Dev environment.
  • Migrated Applications between JBoss and Weblogic Application servers
  • Installed Blue Stripe Fact Finder Collectors on target hosts and performed end to end root cause analysis of the Webtier/Weblogic environment using the FactFinder Console.
  • Responsible for configuring and testing networking software and operating systems
  • Identified performance bottle necks and suggested device replacement and repair.
  • Responsible for performing root cause analysis and identify solutions to issues such as Server Crashes, Hangs and Out of Memory issues in various JDKs
  • Maintained logs related to network functions, their performance and tracked maintenance and repair records
  • Managed and Monitored JVM performance by Weblogic Heap Size, garbage collection, JDBC Pools using BluestripeFactfinder and JRockit Mission Control .
  • Developed scripts (start, stop, backup & recovery processes) for web application server administration.
  • Implemented Cloning scripts for building Oracle Fusion Middleware environments(Dev, Test, and PROD)
  • Responsible for managing security by setting up security rules, manage users in the system (implementing Single Sign On)
  • Experience in Installing and configuring Cacti for monitoring Heap and cpu usage.

Environment: Windows 2003 server, Red Hat Enterprise Linux, Weblogic Application Server 10.x/11g, Oracle WebCenter Portal (11.1.1.4,11.1.1.6,11.1.1.8)Windows (95, 98, NT, 2000, XP), Oracle Service Bus, BlueStripe Fact Finder 7.3, Shell Scripting, Oracle 9i, JBoss (5.1, 7.0), Oracle Weblogic Integration 10g, Oracle SOA, OSB, BPEL 11g

Confidential, Dallas, TX

Sr. Weblogic/Middleware Administrator

Responsibilities:

  • Installation and Configuration of BEA Web Logic Application Server 9.2/10.3/11g, Oracle SOA, BPEL, OSB 10.x/11gon Unix, SUN Solaris 9.0/10.0 and Windows environment .
  • Responsible for maintaining Weblogic Application Server on UNIX platforms .
  • Responsible for setting up development, testing, staging and production environments for the on-going application development.
  • Installed Web logic servers, configured domains for deploying applications.
  • Installation, Configuring, troubleshooting and maintaining the Web logic 10.x/11g and Apache web server.
  • Wrote Shell Scripts to automate processes (cron tasks).
  • Configured OSB to use for throttling, guaranteed delivery, and JMS queue.
  • Deployed JAVA EE applications on multiple Web Logic Servers and maintained Load balancing, high availability and Fail over functionality (disaster recovery).
  • Created the connection pools, various data sources, JMS connection Factories, Queues and topics.
  • Configured Execute Threads, Connection Pools and JMS Bridges etc. for different components of the retailed applications.
  • Responsible for implementing clustering on both Web logic and Tomcat based server environments.
  • Implementing ReverseProxy through mod proxy utility of Apache.
  • Configured BEA Web logic on a single Server and cluster environment.
  • Responsible for writing WLST scripts to perform tasks such as monitoring domains, recycling clusters, starting, stopping servers, Node managers and deploying applications
  • Installed Wily Power packs Such as Leak Hunter, Error Detector, Web Logic Portal, Web Server etc.
  • Responsible for recording required URL’s in Wily CEM and monitoring performance.
  • Responsible for configuring and testing networking software
  • and operating systems
  • Identified performance bottle necks and suggested device replacement and repair.
  • Responsible for performing root cause analysis and identify solutions to issues such as Server Crashes, Hangs and Out of Memory issues in various JDKs
  • Maintained logs related to network functions, their performance and tracked maintenance and repair records
  • Managed and Monitored JVM performance by Web logic Heap Size, garbage collection, JDBC Pools
  • Developed scripts (start, stop, backup & recovery processes) for web application server administration.
  • Responsible for managing security by setting up security rules, manage users in the system (implementing Single Sign On)
  • Involved in 24/7 support for production environments.

Environment: SUN Solaris 9.0/10.0, Windows 2003 server,RedHat Enterprise Linux, Web logic Application Server 10.x/11g, Sun One 6.1, Windows (95, 98, NT, 2000, XP), Oracle Service Bus, Wily Introscope, Shell Scripting, Oracle 9i, Site minder 5/6, Oracle SOA, OSB, BPEL 11g

Confidential, Phoenix, AZ

Middleware Administrator

Responsibilities:

  • Installed, configured and administration of BEA Web Logic Application Server 9.2/10.3/11g and Apache web server on SUN Solaris 9.0/10.0 and Windows environment.
  • Maintained BEA Web Logic Application Server on different UNIX platforms and have setup development, testing, staging and production environments for the ongoing application development.
  • Installed Web logic servers, configured domains for deploying retail applications.
  • Working on Daily builds Using Shell Script to extract code from Version Control.
  • Deployed applications (Web-Based/E-Commerce related) made in JAVA, .NET, C# on multiple Weblogic Servers and maintained Load balancing, high availability and Fail over functionality (disaster recovery) .
  • Created the connection pools , various data sources, JMS connection Factories, Queues and topics .
  • Configured Execute Threads, Connection Pools and JMS Bridges etc. for different components of the retailed applications.
  • Developed Oracle Service Bus (OSB) services to integrate various applications, which resided on Weblogic platforms.
  • Configured BEA Web logic on a single Server and cluster environment.
  • Managed Apache httpd for more than 200 partner websites
  • Responsible for maintaining mod security filters to block various cross-site scripting attacks
  • Managed and Monitored JVM performance by Web logic Heap Size, garbage collection, JDBC Pools.
  • Developed scripts (start, stop, backup & recovery processes) for web application server administration.
  • Worked on Memory related issues, application leak or Weblogic leak or SUN java bug. By tuning and profiling the memory with third party tools.
  • Administered Web Center Portal version 11g
  • Responsible for deploying J2EE applications on Web logic and on Web Center portals
  • Experience with virtualization using VMware
  • Responsible for using VMware ESX Server / Virtual Infrastructure configure Cluster Pools and Resource Pools
  • Deployed WARs, EARs using Web Logic Admin Console and wrote UNIX &WLST scripts to perform automated deployments.
  • Provided WLST and configured various Web Logic components/services via Jython script.
  • Responsible for writing WLST scripts to monitor domains, recycle clusters, monitor disk space, monitor number of Apache connections
  • Migrated Applications between JBoss and Weblogic Application servers
  • Responsible for packaging, release and build issues for a J2EE based system
  • Investigated the root causes for issues related to server performance like crash, hang etc and application performance (slowness etc)
  • Auto deployment of several applications using ANT build scripts, UNIX shell scripts
  • Experienced in recording the required URL’s in Wily CEM and monitoring their performance.
  • Installed Wily Power packs Such as Leak Hunter, Error Detector, Web Logic Portal, Web Server etc.
  • Prepared documents for production and business production environments.
  • Responsible for application changes across different platforms- Development, QA and Business production and Production environments .
  • Involved in build and deployment support for Integration Testing, Staging, Pre- Production, Production, and Post Production.
  • Involved in 24/7 support for production environments.

Environment: SUN Solaris 9.0/10.0, Windows 2003 server, Oracle Service Bus, RedHat Enterprise Linux, Apache Httpd, Web logic Application Server 9.2/10.3/11g, Web Center Portal, Sun One 6.1, Windows (95, 98, NT, 2000, XP), Wily Introscope, Shell Scripting, Oracle 9i, Site minder 4/5/6.

Confidential, Overland Park, KS

Weblogic administrator

Responsibilities:

  • Installation, Configuration and administration of Oracle Weblogic Server 10.3.0 and Apache 2.2 in Development, Test and Production Environments.
  • Configuring Node manager in Weblogic domains for starting, shutdown and restart of Administration Server and Managed Server instances from a remote location
  • Installation and configuration of Spring Source ERS Apache 2.2
  • Installation and configuration Apache HTTP Server Plug-In for Weblogic.
  • Deployed the applications (WAR, JAR and EAR) pertaining to J2EE, .NET enironment on Weblogic Clusters and maintained Load balancing, high availability and Fail over for the servers.
  • Configuring JDBC Data Sources and targeting or deploying them to the clusters in the Weblogic domain
  • Configured JMS connection factories, JMS Queues, File stores and Messaging Bridges for asynchronous communication among the Weblogic hosted applications.
  • Configuring IBM WebSphere MQ as a foreign JMS provider with Weblogic servers.
  • Setting up Secure Sockets Layer (SSL) communication between different applications deployed on Weblogic servers.
  • Installed BEA patches using SmartUpdate tool
  • Troubleshooting Weblogic server post installation issues such as NodeManager activation issues and managed server start up issues
  • Installing and configuring wily java agents for Weblogic managed servers
  • Good working knowledge of change and configuration management tool such as StarTeam.
  • Managing, controlling and automating application configs and deployments through SCM Pro.
  • Coordinating with developers to troubleshoot and fix day-to-day application issues
  • Worked with Customized WLST, Shell and Python Scripts to automate routine admin jobs.
  • Tuning of Apache, Weblogic, JRockit JVM per best practices and according to the application needs.
  • Installing and configuring SiteMinder agent on the Apache web server.
  • Monitoring of Weblogic resources (WAR, EAR, JMS, JDBC) using wily Introscope
  • Working with Enterprise Monitoring team to deploy the Tivoli process monitors for Weblogic JVM processes
  • Investigate and resolve performance issues by analyzing thread dump, core dump, GC values and heap dump.
  • Responding to Tivoli production alerts, investigating and timely resolving of the incidents and problem tickets as part of 24/7 production support routine.

Environment: SUN Solaris, Windows 2003 server, Red Hat Enterprise Linux, Apache Httpd, Web logic Application Server 10.3.0, Web Center Portal , Sun One 6.1, Windows (95, 98, NT, 2000, XP), Wily Introscope, Shell Scripting, Oracle 9i, Site minder 4/5/6.

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