Sr. Weblogic Admin Resume
Profile Summary:
- Over 9+ years of extensive experience in the IT industry, with 7+ years on WebLogic Administration Monitoring, Troubleshooting and Maintenance on WebLogic Servers.
- Experience in administration WebLogic 8.1, 9.X and 10.x, JBoss 5.x, 4.x Apache 2.x, SunOne 6.x, iPlanet, Tomcat, SUN Solaris, UNIX, Linux and Windows.
- Experience in Installing, Configuring and Trouble-Shooting Application Servers like Web logic 10.x/9.x/8.x, JBoss andWeb servers like Tomcat, Apache, iPlanet and SunOne on Sun Solaris, UNIX, Linux andWindows.
- Implemented web Security and configuration of LDAP, SSL certificates, Site Minder and Oracle Identity Management for single sign on (SSO), configuring Multi Master and Single Master Configurations and replications for application and web servers.
- Expertise on scripting tolls WLST, Jython, Python and Shell scripting to automate and monitor the WebLogic routine tasks.
- ExpertiseonPerformance tool PerformaSure and Profiling tools like JProbe, Sitescope, Topaz monitoring.
- Extensive experience in Application migrationWebLogic 8.1to9.xand10.xfor various applications.
- Interacted with Oracle and BEA WebLogic technical support team in resolving the WebLogic critical issues, and used to follow up on the opened tickets, by analyzing the respective thread dumps and Config files.
- Experience in using WLST for Configuration, Deployment and Runtime Environment changes.
- Experience in Sun Solaris Shell scripting to automate system administration jobs.
- Deploying J2EE Application archives (JAR, WAR, and EAR) on WebLogic Application Server
- Experience in working with development teams to troubleshoot server related application issues, performance issues and application performance tuning.
- Configured SSL: 1- way SSL and 2 - way SSL configuration.
- Experience in configuring Self-Signed SSL certificates
- Successful implementations of Workload Management (WLM) using cloning and clustering techniques including horizontal and vertical scaling for failover and backup/recovery processes.
- Expertise in managing JNDI, Managing Security, Configuring and monitoring JMS.
- Expertise on configuring Domains, Managed Servers, Clusters, Data Sources, JMS and Virtual Hosts.
- Expertise in implementing J2EE technologies (JSP, Servlets, Java Beans, JDBC, JNDI and EJBs) to develop Enterprise software applications.
- Proficient with database tools like Enterprise Manager Grid Control, TOAD.
- Experience in Jakarta Struts, MVC Frame Works.
- A dedicated team player with excellent communication, organizational and interpersonal skills
- Experience in software Development life cycle of Software Engineering-Requirements Analysis, Design, Development and Documentation.
- Experience in quality assurance, Integration testing, load testing, stress testing.
- Capability to learn quickly and be resourceful, extremely quality oriented, good time management
Education:
- Master of Computer Science
Application Servers
WebLogic 7.0/8.1/9.x/10.x, JBoss 4.x, 5.x
Web Servers
Tomcat 4.x, 5.x, 6.x, SunOne 6.x and Apache 2.x
Operating Systems
SUN Solaris 8/9/10, RedHat Linux 5.X , HP-UX 9.x/10.x/11.x, AIX 5.x/6.x, Windows 2003 server, Novell Netware 3.12, Windows XP
Languages
Java, C, C++, C#, SQL
J2EE Technologies
JSP, Servlets, Struts, EJB, Web Services
Design Patterns
MVC, Singleton, DAO, Session Façade, Business Delegate, Service Locator
Tools/Utilities
Site Minder, F5 BigIP
IDE
IBM RAD 6.0, WSAD 6.0/5.1/4.0, Visual Age for Java
Databases & DB Tools
Oracle 8i/9i/10g, Enterprise Manager Grid Control, TOAD, SQL Plus
Data / Object Modeling
UML, Rational Rose Enterprise Edition, MS Visio
Version Control
Rational ClearCase, Visual SourceSafe, Harvest
Testing Tools
JUnit, Win Runner, Load Runner, Rational Robot
Miscellaneous
AppWorx 7.1, MS Project, Rational ClearQuest, Clarity, Remedy 7.1
Monitoring Tools
HP OpenView, Introscope, SiteScope, Uptime, Oracle Console, JProbe, PerformaSure, Topaz, OtimizeIT, HP Open View
Professional Experience:Confidential, CT 01/2006 to 11/2009
Sr. WebLogic Admin & UNIX Admin
Working as a Web Logic, JBoss, Apache Tomcat Administrator for Development, Testing, Staging and Production environments and building New Environments on Solaris, Linux, Windows 2003 server to ensure successful delivery of all Java based applications by providing expertise around all Java and J2EE infrastructure and application needs.
Responsibilities:
- Configured the Development, Test, Staging and Production Environment’s on Web logic Application Server 8.1SP1 to SP4, 9.x, and 10.x, Apache, iPlanet, SunOne 6.1 and Tomcat on Solaris10/9, Linux 5, and Windows 2003 server.
- Administration and maintenance of the global enterprise Application Server farms (WebLogic/Apache/Tomcat/JBoss/iPlanet/SunOne) executing tasks related to performance monitoring and tuning, capacity planning, and problem resolution.
- Migrated applications from WebLogic 8.1 to WebLogic 10.0, 10.3.
- Wrote scripts using WLST, Jython, Python, Perl Shell Script and Shell scripting to automate and monitor the WebLogic routine tasks.
- Implemented Security configuration of LDAP, Active Directory, SSL certificates, Oracle Identity Management for Single Sign On (SSO) and Multi Master, Single Master Configurations and replications for application and web servers.
- Work closely with project teams in the initial application design phase and/or in the re-engineering of in-house built applications and/or COTS apps to enable the proper functioning and deployment into the shared application server farm.
- Troubleshooting escalated issues and conduct Root Cause Analysis with other teams such as application developers, DBA, Networking, I&AM and global security.
- Participate in system design reviews, analysis of service/capacity requirements, and execution of release plans.
- Configured Java massaging services JMS (Queues, Distributed Queues, Topics, JMS servers and File Stores), Data Sources and Connection polls on WebLogic 8.1, 9.2 and 10.x.
- Configure in analyzing load and performance results on Application server end like JVM Memory, Database Connection Pool, Execute queues and Disk I/O and also responsible for providing the solutions for better performance of the applications like SQL Tuning and Java classes Loading on the application server.
- Install and Configure SSO (Single Sign On) by using Netegrity Site Minder Policy Server configurations and Apache web server and SunOne6.1 configurations for WebLogic, JBoss and Tomcat applications.
- Provides server documentations using SOX compliance and FDA regulatory procedures.
- Installed and configured SSO and SSL based I-many Enterprise Contract Management Framework (ECMF), CARSNG and Cognos using JBoss application server and Apache web server in RedHat Linux 5.X 64 bit.
- Configure the applications performance and profiling by using PerformaSure and JProb.
- Following Pfizer ELC process and change management process.
- Writing shell-scripts for automating server tasks.
- Configure the application using CSS Load balancing algorithms and F5 BigIP LTM/Hardware load balance and fail over.
- Responsible for application software installation and troubleshooting, which includes customized software billing running on Web logic 8.1 and 9.2,10.x
- Configured and created enterprise users and roles in OID by Using "Enterprise Security Manager", to authenticate the databases using user’s credentials and roles stored in OID.
- Created an "Enterprise Roles" in OID and mapped it to the database roles.
- Configured JMS, Connection Pools, Queue, Topics, JDBC resources, data sources and bounded to the J2EE applications, configured the connection pools for the various data sources.
- Taking Thread dumps, pstack and prstat and analyzing to find the problems in application.
- Configuring the data sources and connection pools according to project requirement.
- Configure SNMP services to weblogic domains
- Developed shell scripts to automate the maintenance process of the Web Logic and recover the backed up Web Logic 9.2 configurations.
- 24x7 on call support by shift rotation basis and support scheduled hardware and software maintenance.
- Working in tandem with Project management, Development Teams, Outside Vendors and Offshore support teams during all stages of projects.
- Worked with Mercury Site scope for server monitoring and monitoring the performance of applications using Introscope, HP Open View, BMC patrol and Oracle Console.
- Deployed Various J2EE applications on to the clusters and Application servers and supported accordingly.
- Managing and Monitoring the JVM performance by Web logic Heap Size, garbage collection, JDBC Pools.
- Configured and deployed applications in various work environments like Development, Test, Stage, Disaster Recovery and Production on web logic 10.x, 9.2, 8.1, Apache Tomcat and JBoss.
- Coordinated and Trained Offshore resources for production support.
Environment: SUN Solaris 10/9/8, RedHat Linux 5.X 64 bit, Windows 2003 Server, Web logic 10.x,9.2/8.1, LDAP, JBoss, Apache Tomcat 6.x, 5.x and 4.x, Apache 2.1.X, SunOne 6.1, iPlanet, Oracle SOA, Shell scripting, Site Minder, JProbe, LDAP, HP Open View, Willy Introscope, BMC patrol., Cognos, PerformaSure and Mercury Site scope.
Confidential,Chicago 08/2003 to 12/2005
WebLogic Admin
Responsibilities:
- Technology Expert with BEA WebLogic Application Server, SunOne and Apache Web server setup, configuration and capacity planning.
- Deploy WAR and EAR files using WebLogic Admin Console as well as scripts.
- Maintain ORACLE WebLogic Application Server 8.1/9.x/10.x on different UNIX platforms and have setup development, testing and production environments for the ongoing application development.
- Deployed Various J2EE applications on to the clusters and Application servers and supported accordingly.
- Configured JMS Connection Pools, QUEUE, Topics, JDBC resources, data sources and bounded to the J2EE applications, configured the connection pools for the various data sources.
- Taking Thread dumps and analyzing to find the issues in application.
- Developed shell scripts to automate the maintenance process of the Web Logic and recover the backed up Web Logic 8.1 configurations.
- Created WebLogic Portal domain and created projects, application and portal application in WebLogic workshop.
- Created Users, Groups and Roles and assigned users to Groups and Roles.
- Created Portal and Portlets on WebLogic portal admin console.
- Created books, pages, portlets, skins and themes.
- Created Entitlements for Portal Resources and Setting Up and Managing Content.
- Involved in implemented different data types and defining data types in weblogic portal
- Involved in Personalization Portal and Setting Up Delegated Administration Roles
- Used Third-party Content Management Systems like Documentum, InterOven. Migrated CMS systems
- Managing and Monitoring the JVM performance by Weblogic Heap Size, garbage collection, JDBC Pools.
- Handling Major Code Releases (MRs) for Production and Non-Production environments.
- Using Samurai to diagnose and resolve performance bottlenecks, memory leaks, excessive garbage collection, threading issues and other java coding problems.
- Configured and administered Connection pools, multi connection pools and Data Source for JDBC connections.
- Configured and deployed applications in various work environments like Development, System Test and Production on WebLogic 8.1
- Troubleshoot emerging application issues, from WebLogic 8.1nfiguration to code issues.
- Developed UNIX shell scripts that automate the Weblogic Administration (recycling the application server, deploying customer applications, logs rotation, monitor applications state, etc.).
- Involved in assisting QA team in Load and Integration testing of J2EE applications on WebLogic Application Server.
- Responsible for application changes across different platforms- development, testing and production environments.
- Documenting day to day problems (FAQs), major configuration changes and system architecture changes.
- Involved in 24/7 support for production environments.
Environment: HP-UX-10, Solaris 8, AIX, Windows 2000, WebLogic 8.x, LDAP, IIS, Apache, SunOne, SiteScope, Introscope, JProb, Tomcat, SunOne, My SQL, Oracle 9i, Documentum, JDK 1.4, Shell scripting.
