Websphere Administrator Resume
Hartford, CT
SUMMARY
- Over 7 years of IT experience which includes over5 plus years of experience in administration of IBM WebSphere Application Servers 5.x/6.x/7.0 in IBM AIX Red Hat Linux and Windows environments.
- Experience in installing, configuring, clustering of WebSphere Application Server 5.x/6.x/7.0 on multiple environments like Development, Testing, Staging, Acceptance testing, Pre - Production and Production environments.
- Expertise in deployments, troubleshooting, performance monitoring, performance tuning of J2EE applications on WebSphere Application Server 5.0/5.1/6.0/6.1/7.0 on IBM AIX Red Hat Linux and Windows. Web Servers like IBM HTTP Server 1.3.x/2.0.x/6.x and working knowledge in Tomcat.
- Familiarity in the installation, configuration and administration of IBM HTTP Server 2.0.x/6.x /7.0 on IBM AIX, Red Hat Linux and Windows platforms.
- Expertise in configuring IBM HTTP Server 6.x/7.0 with WebSphere Application Server 6.x/7.0
- Familiar in installation, configuration, performance tuning and troubleshooting IBM HTTP Server in Windows and UNIX platforms.
- Familiar in applying plug-ins for WebSphere Application Server with IBM HTTP Server.
- Proficiency in creating, configuring and administrating profiles, clusters, nodes, node agents and node groups forWebSphereApplication Server.
- Hands on experience in configuring and deploying J2EE applications on WebSphere Application Servers using WAS admin console and wsadmin scripting tool.
- Proficiency on Appling Fix packs Cumulative fix packs for WAS using Update Installer.
- Extensive knowledge on Web sphere Migration from WAS 5.x to 6.x and from WAS 6.x to 7.0.
- Migrated existing applications fromWebSphereApplication Servers 5/5.1 to 6/6.1 on windows and UNIX platforms.
- Experience in Shell scripting, JACL and Jython scripting, PERL scripting for compiling and automated deployment.
- Well acquainted with configuring SSL Certificates, Self-Signed Certificates.
- Monitored the performance of the deployed applications, WebSphere Application Server by enabling the Performance Monitoring Infrastructure (PMI) using Runtime Performance Advisor.
- Expertise in using wsadmin scripts and Shell scripts to administer and automate batch job scheduling including backup and recovery processes and rotating logs.
- Proficient in Troubleshooting on issues such as out of memory, memory leaks, hung sessions and session replication, federation of nodes and synchronization of nodes with NDM.
- Experience in integratingWebSphereApplication Server and Deployment manager with IBM Http server.
- Experience in monitoring and maintaining multiple applications in development, QA, staging and production environments.
- Familiarity in working on Windows operating system and UNIX platforms.
- Good knowledge in Java, Servlets, and JSP, JDBC, EJB and web Services.
- Hands on experience in IBM WebSphere Application Server, WebSphere Portal Server, J2EE technologies like Java, Servlets, JSP, XML, HTML, Struts and EJB’s and IBM WSAD 5.1, RAD 6.0/7.0.
- Expertise in Deploying and troubleshooting the J2EE Applications (WAR & EAR) in WebSphere Application Server V5.1/V6/V6.1/V7.
- Hands on Jacl, Jython and UNIX shell scripts to automate the maintenance process of the WebSphere and recovered the backed up WebSphere configuration using XML config tool and also for administration, maintenance and troubleshooting.
- Highly experienced in integrating WebSphere Application Server ND/XD and related software including IBM HTTP Server (V6, V7) on Linux and Windows platforms.
- Familiar in areas such as XML and Web Services.
- Detect problems in early development stage and utilizing effective troubleshooting skills.
- Expertise in finding Root Cause for the WebSphere Problems, and experience in issuing tickets to IBM by generating PMR.
- Well organized and proficient with details, Excellent interpersonal and team skills.
- Experience providing 24/7 on call support.
TECHNICAL SKILLS
Operating Systems: AIX 5.1/5.2/6.1, Solaris 8, 9& 10, Linux 9/8/7.x, HP-UX10.20, Windows NT/2000/2003
Application/web Servers: WebSphere 8.0/7.0/6.1. x/6.0.x/5.1.x/5.0.x, WebSphere Portal Server /7.0 6.1/5.1SiteMinder 5.5/4.5, Tivoli Access Manager 6.0, IIS 6.0, IBM HTTP Server 1.2.x/2.0.x/6.x/7.x, SunOne WebServer 6.1.6.0, WebSphere MQ 5.3/6.0
Scripting Language: WSADMIN, WLST, UNIX Shell, python and Jython
Languages: Java/J2EE,XML
Database: Oracle 11g,10g,/9i/8.1.7/, SqlServer 2000/7.0/6.5/6.0 , DB2 UDB 8.2/8.1 /7.2, and MS-Access 2000
Tools: and Utilities: TDI 6.1.1,Tivoli Access Manager, Log4j, Tivoli Performance Viewer, RAD
SOA/ESB/MoM: DataPower XI50, WebSphere ESB and WMQ v7.0/6.0
J2EE Technologies: J2EE 1.2/1.4/1.5, Servlet 2.2/2.3, Java Beans, EJB1.0/2.0/2.2, JSP1.0/1.1/1.2, JDBC2.0, JNDI, RMI IIOP, SOAP, CORBA, XML, HTML, AJAX, Spring, Struts, XSLT, WTX.
PROFESSIONAL EXPERIENCE
Confidential, Hartford, CT
WebSphere Administrator
Responsibilities:
- Installed and configured IBM WebSphere Application Server 8.x/7.x/6.x on AIX5.3 using GUI as well as silent installation in various platforms like Linux v6.1 (RHEL), AIX, and Solaris.
- Created profiles using Profile Creating Wizard and silent profile creation by Red Hat Linux.
- Installation and Configuration of Deployment Manager to create Centralized application management.
- Deployed Web Archive and Enterprise Archive applications to WebSphere Application Servers and maintained applications.
- Experience in Migrating existing applications from WebSphere 6.x to 7.x and 7.x to 8.x on different platforms.
- Provided support for the entire cycle of application testing including building applications, deploying, and trouble shooting.
- Worked closely with developers to Enterprise Applications, Web resources, JDBC providers and JVMs.
- Configured WAS Global Security using Tivoli Directory Server and Microsoft Active Directory by using LDAP as user registry.
- Worked closely with Database Administrators to resolve database and JDBC related issues in WebSphere Application Server.
- UsedUNIX Shell, PERL, JACL and JYTHON Scripts for automating tasks
- Worked closely with System Administrators to perform installations, profiles creation, and resolve system related issues when required root or admin access.
- Achieved Work Load Management by creating Clusters and Cluster Members in WAS 6.x and 7.x.
- Performance tuned the WebSphere Environment by configuring caching, queuing, pooling, JVM parameters and Problem determination using Tivoli performance viewer (TPV) & Wily Introscope.
- Handled deployment of Java Servlets, Session beans and Entity Beans for each module to respective instances of application server clusters and web applications.
- Configuration and setup of Secure Sockets Layers (SSL) for data encryption and client authentication.
- Installed EARs, WARs and configured application specific JVM settings, Web container parameters using the Admin Console and WSADMIN.
- Used WASPROFILE & MANAGEPROFILES to create multiple WebSphere profiles from the command line interface.
- Used Tivoli Performance Viewer to monitor WebSphere Applications and tuned the environment accordingly like changing the JVM Heap, & Connection Pool sizes.
- Troubleshooting Application Servers start-up issues, Java code defects after deployment and class path issues.
- Provided 24/7 support for assigned applications.
- Extensively worked on WebSphere MQ Installations, configuration, administration of WebSphere MQ Server version 5.3/6.0 for multiple high profile projects.
- Converted an existing network of Queue Managers into a Clustering environment for load-balancing using MQ Clustering.
- Configured WebSphere for messaging by defining Queue Destinations & Queue Connection Factories.
Environment: IBM WebSphere Application Server 8.x/7.x/6.x Base and Network Deployment Manager, WebSphere MQ 5.3/6.0, DB2 9x, UNIX, IBM HTTP Server 6.0/2.0.47, AIX5.3, IBM Directory Server 5.1, JACL and JYTHON scripting.
Confidential, Columbus, OH
WebSphere Administrator
Responsibilities:
- Maintenance of the WebSphere servers on different UNIX platforms and setting up the development and testing and staging environment for the ongoing application development.
- Debugging of the application problems while developing the application.
- Developed UNIX shell scripts, JACL scripts to automate the WebSphere deployment process with Developers given access to deploy test and stage applications.
- Third level support - on call pager escalation from System Administration Team.
- Maintained Security, Tuning and Clustering on Web Sphere Application.
- Middleware Engineering Lead for Regular Maintenance Updates (Eup’s) - OS Patches, Security Patches, Middleware Patches, and OS/Middleware Upgrades.
- Implemented security policies, Enabled security on components and configured LDAP and SSL.
- Provided third level technical escalation for problem resolution or circumvention of application deployment issues and Middleware component issues in Web Hosting environments.
- Managed the Connection Pooling and registering web applications (Servlets, JSP) in the Web Sphere server.
- Installed and configured IBM WebSphere Application Server 5.0.x, JDBC drivers and Servlets engines on LINUX.
- Involved in migration of Websphere4.0.x to WebSphere5.0.x
- Configured IBM HTTP Server by creating DNS alias names, assigning ports, transporting and pointing multiple plug-in files to serve various instances in same node.
- Efficiently handled Work Load Management for load balancing and failover, improving performance, reliability and scalability.
- Involved in monitoring, trouble shooting and performance tuning using Wily monitor, Tivoli performance viewer, and Thread Analyzer.
- Installed and applied fixpacks, patches and e-fixes for WebSphere Application Servers.
- Documented the deployment and support procedures for several WebSphere applications and directory services.
- Maintained WebSphere 5.0/4.0 Application server for web applications development and deployment JSP and EJB components on WAS.
- Implemented standard backup procedures for Operating system, WebSphere and applications.
- Responsible for scheduling installations and upgrades, and maintains them in accordance with established policies and procedures.
Environment: IBM WebSphere 5.0/4.x/3.x, IBM HTTP Server, AIX 5.x/4.x, Red Hat Enterprise Linux 3.x/2.x, DB2/UDB 7.2, J2EE,Wily Introscope v5.x.
Confidential, Atlanta, GA
WebSphere Administrator
Responsibilities:
- Installed, Configured, Administered and Supported WebSphere Application Servers 6.0/6.1 on Solaris and AIX environment.
- Installed HTTP Server 6.0/6.1 and configured remote Plug-in for application servers.
- Installation of Clients and Creation of Data sources for Applications using Databases like Oracle, DB2, SQL SERVER.
- Built the WebSphere MQ 5.3 and configured Data Sources and MQ objects including Queue Managers, Queues, channels, and listeners.
- Used Tivoli performance viewer monitor WebSphere/J2EE Applications and tuned the environment accordingly like changing the JVM Heap, Connection Pool sizes.
- Debugging of the application problems while developing the application.
- Installed SSL certs and enabled Global security for Admin console and applications.
- Created Enterprise Bus, MQ link adaptor on the WAS and connected to the MQ server.
- Enabled Global security for the Admin Console and application components.
- Involved in configuring the WebSphere load balancing utilizing WebSphere Workload Management (WLM) including horizontal scaling and vertical scaling.
- Involved in trouble shooting and Performance tuning using TPV and log analyzer.
- Supported WebSphere Application Server clustering, load balance and failover.
- Used Jython and Wsadmin scripts to automate the deployments and configuration.
- Worked in the LDAP Security Configuration and created user roles and groups for securing the resources using LDAP system authentication.
- Troubleshoot hardware and software problems, on-call support and interact with IT staff in performing complex testing, support and troubleshooting functions.
Environment: IBM WebSphere Application Server 6.0/6.1, WebSphere ESB 6.0 RAD 6.0 IBM HTTP Server 6.x, IBM MQ Series 5.3, AIX 5.3, Sun Solaris 8, LDAP, DB 8.2, Oracle 9i, JACL, JYTHON.
Confidential
Java Developer
Responsibilities:
- Responsible for interfacing with the client to gather requirements.
- Given presentations for main visual purpose that determines effective understanding.
- Designed UI screen for Insurance Quote to get User information with JSP, Struts tag library.
- Developed Action Classes, Service Classes for Resident Insurance premium payment module.
- Involved in Coding JavaScript code for UI validation and worked on Struts validation frameworks.
- Involved in the development of both the back end and the front end of the application using Struts, Hibernate and Web Services.
- Wrote PL/SQL Queries to get Schedule of policy payment and defaults.
- Developed Session and Entity beans for Insurance Quotes.
- Developed web services usingApache Axisweb service engine. UsedSOAPrequest response exchange pattern to exchange business XMLs.
- Responsible for Writing JSP for Online Quote for Resident Insurance.
- Used Web Services for interacting with a remote client to access data.
- Developed CMP read only Entity beans to get Insurance Quotes.
- Fixed the bugs identified in test phase.
- Written JUnit Test cases for Unit testing in Pension Manager Module.
- Documented CR impact analysis and prepared implementation documents.
Environment: Java 1.4, J2EE, JSP, Servlets, Struts, XML, SVN, ANT, JUnit, HTML, CSS, Apache AXIS, Weblogic 8.1, SOAP, WSDL, Oracle 9i.