Sr. Web Logic Administrator Resume
Irving, TX
PROFESSIONAL SUMMARY:
- Over Seven years of IT experience mainly in Web logic 10.x/ 9.x/8.x Administration in UNIX, Linux and Windows Platform.
- Solid experience in Installation/ Configuration/ Deployment/ Performance Tuning, Maintenance and Troubleshooting of Enterprise Applications using Web logic 10.x / 9.x / 8.x.
- Expertise in Web logic server Upgrade/migration activities from Version 9.2 to 10.
- Experience in installing, integrating and administering AIA Foundation Pack.
- Extensive experience in implementing application scaling concepts like Clustering in various layers of enterprise application.
- Experience in configuring Node Manager to administer the Web logic Managed servers remotely.
- Experience in deploying the applications (Web/Java/Enterprise applications) in Web logic clustered environment.
- Extensive experience in migrating J2EE Application between different J2EE versions.
- Good experience in UNIX Shell scripting, WLST to automate the administration tasks.
- Experienced in regular maintenance tasks like upgrade, quarterly CPU for Web logic server Suite components.
- Solid experience in Web logic administration using Administration console and WLST.
- Well experienced in UNIX, Red Hat Linux and Windows XP/NT/2003.
- Experience in Fine tuning the JVM settings to enhance the system performance using Jprofiler profiling tools. Also optimized the startup performance and runtime performance.
- Experience in securing the Weblogic server environment using various security mechanisms including SSL Implementation.
- Well experienced in Installation/Configuration and Administration of Apache/Tomcat/Sun ONE Webservers. Excellent in configuring the proxy - plugin for Webservers.
- Experienced in providing 24X7 Production support on rotation basis.
- Extensive experience in all phases of software life cycle with emphasis in Implementation and Support of distributed enterprise scalable, secure and transactional J2EE applications.
- Extensive work experience on N-Tier architecture based applications using J2EE technologies including EJB2.0, JSP1.2, Servlets2.0, JDBC 2.0, JNDI, RMI, and XML using Different Design patterns and J2EE Design patterns.
- Good analytical, troubleshooting skills and worked in high pressure, enterprise class environment.
- Fantastic ability to learn new technologies quickly and implement as per organization objectives.
- Ability to lead new initiatives with self- motivation and little supervision.
TECHNICAL SKILLS:
Programming Languages: C, C++, JAVA/J2EE, SQL, PL-SQL
Operating Systems: UNIX, Solaris, Red Hat LINUX, HP-UX, Unix-AIX,Windows 2000/NT/XP/VISTA.
Middleware: Web Logic Application Server 8.x./9.x/10.x., Apache-HTTP Server 1.3/2.0/2.2, Apache Tomcat 6.x,MySQL
J2EE Technologies: Servlets, JSP, JDBC, RMI, JMS, JTA, JNDI, JMX, EJB and Applets.
Web Technologies: JDK 1.4/5/6, HTML, XML, DHTML, MSXML, ASPX, Eclipse.
Scripting Languages: WLST, UNIX Shell Scripting (Bourne, Korn, C and Bash), LINUX, Perl Scripting, PHP Scripting, ANT Scripts.
Packages: JDK 1.1/1.2/1.3/1.4/1.5/6, JSDK 2.0, J2EE,JRE
Performance Monitoring and Testing Tools: Jmeter, Mercury Load Runner, Win Runner, Oracle Enterprise ManagerIdentity Management
IDE s/Utilities: Eclipse, Web logic Workshop, MS Visual Studio 2005, SSH, OpenSSL, Putty, and WLST, Filezilla, LDAP Browser.
Database: Oracle 8i/9i/10g,MS SQL Server, My SQL, MS Access
Networking & Protocols: TCP/IP, Telnet, HTTP, HTTPS, FTP, SNMP, LDAP, DNS, DHCP, ARP, SSL, IDM 6.0 and 7.0,SOAP
Change Control: BMC Remedy, Clear Quest, JIRA
Other Tools: Adobe PhotoShop, MS Visio, Adobe Flash, MS Office.
PROFESSIONAL EXPERIENCE:
Confidential, Irving, TX
Sr. Web logic Administrator
Responsibilities:
- Supported a true 7/24 high transaction application iGO and its associated group of 6 payment/chat applications. These applications constitute the primary payment gateway for 20+ Verizon business applications that needs to handle any kind of payments.
- Part of the full-fledged end-to-end Web Logic upgrade from Web logic 9.2 to Web logic 10.3.1 in Linux/ Oracle 11g environment across all Development/ Testing/ / Performance and Production environments. This includes production Web logic clusters in and Performance test environments for 6 applications.
- As the part of the upgrade project made changes to the source code off all the applications which involved compilation with JDK 6 and removing the deprecated methods and adding new methods.
- Developed tools to automate Web logic installation, JDK installation, applying BEA patches, configuration of domain (including admin/managed, clusters, JDBC connection pools, startup/shutdown classes and multi-cast IP and JMS configurations).
- Developed lot of automation tools for consistent deployment of code across numerous clusters using Web logic Deployer and WLST scripting.
- Supported 6 major Retail billing releases where I was involved in environment configuration and tier-2 application support during testing phases. Also prepared detailed production workplans and the necessary staging/configuration updates in production.
- Configured SSL for Non Production Web Logic servers and installed the updated Cybertrust s.
- Installed Introscope monitoring agent across ALL applications and monitored the traffic on the Enterprise Manager server using the desktop client.
- Involved in JVM performance fine tuning and other performance enhancement techniques
- Implemented Work Mangers on the main application iGO/AIMS. This involved identifying major performance bottlenecks and enhancements, looking into issues to resolve server deadlocks and Web Logic tuning.
- Developed Role based Security access to restrict users.
- Coordinated with the Application and Database teams to identify and correct issues and bugs relating to Web Logic.
- Configured and administered JDBC Connection pools and JMS Connection Factories
- Developed startup and shutdown scripts for the Web logic servers.
- Configured realms, users, groups and roles.
Environment: Web logic Server 8.1/9.x/10.x, EJB, JDBC, JMS, XML, Oracle 11g, SQL Server, TOAD, Putty, Rational Clearcase, Rational ClearQuest.
Confidential, TX.
Sr. Web logic Administrator
Responsibilities:
- Performed Web Logic 10.3 Server administration tasks such as installation, configuration, monitoring and performance tuning.
- Upgrade of Web logic Server and updating JDK versions, applying patches and installing service packs for Web logic server.
- Build, deploy and support dev, Integration test and provide detailed instructions for QA and Production environments consisting of multiple Web logic application domains.
- Performed Branching and merging operations on SVN streams.
- Auto deployment and troubleshooting of JAR, WAR, and EAR files in clustered environment.
- Configured and administered JDBC Connection Pools/Multi Pools/Data Sources on Web Logic Server 10.3.
- Troubleshooting Web Logic Application Server connection pools and connection manager with Oracle 10g.
- Monitored error logs, fixing problems and tuning parameters on Web logic environment.
- Involved in Setting up Web Logic domain with a single server instance for developers on their windows machines.
- Configured and deployed applications in various work environments like Development, Test, and Production.
- Installed and configured Apache HTTP Server 2.0, Apache Tomcat 6.0 and iPlanet Web Servers in various environments.
- Installed and configured plug-ins for Apache HTTP server and Sun One Web server to proxy the request for Web logic server.
- Helped secure environments by working closely with sun security team to install Firewall.
- Troubleshooting with Thread and Heap analysis for detecting blocking and locked threads
- Configure and administer Connection pools for JDBC connections.
Environment: Web logic Server 10.3.x, Sun JDK1.5, J2EE, Jrockit1.5, PHP, JSP, Servlets, EJB, LDAP, JDBC, XML, Oracle10g, Apache 2.0, Tomcat 6.0/6.1
Confidential, Downington, PA.
MiddlewareAdministrator
Responsibilities:
- PerformedWeb logicServer administration tasks such as installing, configuring, monitoring and performance tuning.
- PerformedJ2EEapplication deployment and administration includingJAR, WAR, and EARfiles.
- Configured, maintained, deployed and trouble shoot ofWeb Logicon multiple platforms, deployments, trouble shooting and maintenance forproduction, development, QA and environments.
- Installed and configuredApache HTTP Server 2.0, Tomcat 6.0, IIS 6 and Sun One Web Servers in various environments.
- Responsible forLoad balancingandPerformance tuningfor various Web Logic Instances.
- Converted and automated builds using Ant. Scheduled automated nightly builds usingcruise control.
- Configured users groups andGlobal Roles.
- ConfiguredClusters,Server groupsand Cloning for improved availability andfailovercapacity.
- UsedBMCsoftware for service management and performance management.
- Created and configuredDataSourcesfor database connectivity & JMS resources
- Configuredglobal securityin Web Logic using LDAP authentication
- Created domainconfiguration scriptsto configure new domains, modify existing domains.
- Developed UNIX & WLST scripts to perform automated deployments.
- Analyzedthread dump&heap dump forweb logic application server.
- Involved in periodicbacking upof configuration files.
- Performed system administrator level duties such as adding/deleting users, regularly monitoring user level activity, checking system logs, monitoring system performance.
Environment: JDK1.4, J2EE, Jrockit8.1, JSP, WinNT, BMC, Servlets, EJB, LDAP, JDBC, XML, Oracle9i, Web Logic Server 10.x, Ant 1.5.1, Apache web server, sun one web server(iPlanet), Linux.
Confidential, Warren, NJ.
Web-Logic Administrator
Responsibilities:
- Responsible for architecting, developing and deploying infrastructure to support online Telecom package.
- Performed up gradation of Web Logic 9.0 server to Web Logic 10.0.
- Installed and configured Web Logic 10.0 on Red Hat Linux 5.1.
- Supported Web Logic Application server clustering, load balancing and fail over.
- Deployed J2EE Web, EJB (Entity, session and MDB) and Enterprise modules (WAR, JAR, EAR) using Ant tool, Web Logic Command Line Deploy tool and Web Logic Admin Console.
- Used UNIX Korn Shell scripts for automation tasks like deployment in external stage mode.
- Configured Web Logic Virtual hosts in Web Logic 10.0 server.
- Performance Tuning of Web Logic server by monitoring JVM Heap Size, garbage collection by using spotlight.
- Configured Weblogic to work with Apache Http server, IIS, SUNONE(iPlanet) web servers
- Configured SSL in Tomcat
- Database tuning is done by increasing statement cache size in JDBC pool.
- Configuration of JMS server for Telecom applications and migration of JMS server.
- Installation and configuration of Apache Web server Plug-in with Web Logic server.
- Configured Apache server plug-in for load balancing and failover.
- Installed and configured iPlanet Web Server.
- Managed Security issues by creating new security realm for development, testing and production environments.
- Other tasks involved TCP monitoring, process monitoring; trouble shooting web server, and system administration of heterogeneous environment.
Environment: Web Logic 10.0, Apache 2.0 Server, SQL Server 2000, Red Hat Linux 5.1, Windows XP, HTML, JDBC, JNDI, JMS, SNMP, JTA, Spotlight.
Confidential
Web-Logic Administrator
Responsibilities:
- Installed and Configured Web Logic Server 9.0.
- Involved in migrating the setup from 8.1 to 9.0.
- Troubleshooting the configuration of enterprise applications and determining performance problems by monitoring server availability and analyzing resources.
- Upgraded Korn shell scripting for automating installation of Web Logic Server.
- Installed and configured Apache Web server and integrated with Web Logic server.
- Deployed the applications on multiple Web Logic Servers and maintained Load Balancing, High availability and Failover functionality.
- Developed UNIX shell scripts to automate the Web Logic Server Administration.
- Testing of EJB's after deploying it in EJB container.
- Configured Web Logic Server resources like JDBC providers, JDBC data sources, Connection pooling, and Java Mail sessions.
- Involved in assembling, binding and deploying J2EE components on the Application Server and Written shell scripts for automating logs backup and archiving.
- Deployed the applications (WAR, JAR, and EAR) on multiple servers and maintained Load balancing, high availability and Fail over functionality.
Environment: Web Logic Server 9.0, Java, Servlets, EJB, JDBC, Java Script, HTML, XML, Oracle, PL/SQL, UNIX.
Confidential
Web-Logic Administrator
Responsibilities:
- Developed a JSP/Servlets web application for Webserver Apache/Tomcat.
- Wrote Stored Procedures, PL/SQL Procedures and Triggers for building the persistence framework in Oracle.
- Used JavaScript intensively for throughout the application for front-end validations.
- Designed and created the database tables and views in oracle 8i.
- Installation and configuration of Web Logic 8.1 on Linux.
- Upgradation of Web Logic 8.0 to Web Logic 8.1.
- Creation of JDBC connection pools with Oracle database server 8.1 and Tuning the Connection Pool for Maximum Capacity.
- Tuning JVM heap size to maximize the number of clients accessing the applications.
- Installation of Apache HTTP server on Linux & Plug-in configuration with Web Logic 8.1 server.
- Configuration of Web Logic 8.1 cluster and deploy various applications.
- Monitoring and tuning performance of Web Logic servers in cluster, Apache HTTP server, and JVM.
Environment: BEA Web Logic 8.0/8.1, Linux, Oracle 8i, Apache Web server 1.3, Java JDK 1.4, Servlets, JavaScript, HTML.