SUMMARY

• Senior Middleware Administrator with hands - on experience of 8+ years in IBM Websphere Technologies that include Websphere Application Server, WebSphere Portal, IBM MQ, MB and as an ITIL Consultant.
• Experienced installing and configuring Web Servers including IBM HTTP Server and Apache Web Server.
• Experience implementing WebSphere suite products on various platforms like Sun Solaris, Red Hat Linux, IBM AIX and MS Windows environments.
• Extensive experience in installing refresh packs, cumulative fixes (fix packs) and interim fixes to upgrade WebSphere Application Server, IBM WebSphere SDK, IHS and Plug-ins using Update Installer (UPDI)
• Experience in installation, configuration, deployment and management of Enterprise Applications in clustered and standalone environments pertinent to IBM WebSphere Application Server Base/Network Deployment, WebSphere Portal Express/Enable/Extended.
• Experience in migrating existing applications from WebSphere 6.1.x version Application servers to 7.0.x/8.0/8.5 using migration tool and manual migration.
• Expertise in setting up Work Load Management (WLM) and High Availability (HA) with different clustering techniques like horizontal and vertical clustering.
• Experience in enabling Secure Socket Layer (SSL) among different components of middleware like Web Servers and Application Servers.
• Expertise in generating self signed certificates using ikeyman tool.
• Expertise in providing global security with different kind of repositories like Standalone LDAP repositories and Federated LDAP (VMM) repositories.
• Experienced in tuning the parameter including Heap Size, EJB container Threads, Web Container threads, Data Source Connection Pool settings, DynaCache and DRS settings.
• Extensive experience in configuring Work Load Management (WLM) using Plug-in in WAS/WP/WPS/IHS environments to provide Load Balancing.
• Expertise in Tuning of Application Servers using Tivoli Performance Viewer/Monitor, Wily Introscope, IBM ITCAM (IBM Tivoli Composite Application Manager) and Performance Monitoring Infrastructure (PMI).
• Experience in configuring and administering JDBC Providers, JMS, Service Integration Bus (SIB), Custom Service and Virtual Hosts.
• Hands on experience in configuring Virtual hosts (VH) and Service Integration Buses (SIB).
• Highly expertise in troubleshooting the issues of Middleware by enabling Tracing and Logs like JVM logs (SystemOut.log and SystemErr.log), Process logs (native stderr.log and native stdout.log), and Service logs (Activity.log), Installation logs and Plug-in logs.
• Highly proficient in automating environment builds, administration and deployment operations using standard scripting utilities like Unix Shell, ANT, wsadmin, Jacl and Jython.
• Expertise in Installation, configuration and migration of IBM WebSphere MQ series 6/7/7.1/7.5, Message Broker 6.1/8.0.0.3 on various AIX/Windows/Linux
• Created and configured MQ Objects like Queue Managers, Remote queues, Local Queues, Queue Aliases, Channels, Clusters, Transmission Queues, Performance Events, Triggers, and Processes
• Installed Fix Packs, I fixes and APARs recommended by IBM
• Ability to maintain a reliable and methodical approach to support and documentation.
• Troubleshot production problems and provided 24/7 support for production systems

TECHNICAL SKILLS

Middleware: IBM WebSphere Application Server 8.5/8.0/7.0/6. x/5.x/4.x, WebSphere Portal 6.1.5/6.1/6.0/5.1/5.0 , MQ 6.0/7.0, MB 6.1

Web Servers: IBM HTTP Server 8.5/8.0/7.0/6. 1/6.0/2.x, Apache Web Server 2.2/2.0/1.3/1.2.2

Monitoring Tools: Tivoli Performance Viewer, Thread Analyzer, Log Analyzer, Wily Introscope, Tivoli Federated Identity Manager, Tivoli Access Manager.

Security: CA Site Minder (Web Agent & TAI Agent)

Hardware / OS: IBM AIX 5.3, Solaris 8,9,10, HP-UX 8.0, Z/OS, Red Hat Linux 6.2/7, Windows 95/98/NT/2K and 2003

Scripting Languages: Unix Shell (ksh,bash), ANT, Jacl/ Jython with wsadmin and Perl

PROFESSIONAL EXPERIENCE

Confidential, Raleigh, NC

Sr. WebSphere Administrator

Responsibilities:

• Installed and configured IBM WebSphere Application Server V 8.5/8.0/7.0/6. 1/6.0, WebSphere Portal 6.1, and IBM HTTP Server v 8.5/8.07.0/6.1/6.0 on IBM AIX, Windows, Linux platforms using Silent scripts and GUI.
• Created, Configured and Administered Profiles, Clusters, Nodes and Node Groups for WebSphere Application Server.
• Configured Business Process Container and Human Task Container for the work flow process.
• Performed 24x7 upgrade of WebSphere Application Server (64-bit) environments Installed
• Implemented horizontal and vertical clusters for WAS and Portal environments.
• Experience with performance monitoring of J2EE applications using products like Tivoli Performance Viewer and Wily Introscope.
• Experience in enabling Global Security and Application security using LDAP by configuring different kinds of repositories like OS repositories, Stand-Alone LDAP and Federated LDAP repositories.
• Utilized Log Analyzer for performance tuning and troubleshooting.
• Administered Portal environments using admin portlets (Portal console), ConfigEngine tasks and WP scripting tool.
• Deployed portal artifacts (Web Applications, Portlets {JSR and IBM API}, Pages) using XML Access and Portal console.
• Responsible for propagating the regenerated plug-in.xml file to internal and external instances of IBM HTTP Server.
• Involved in designing WebSphere Application Server features like High Availability, Load Balancing and Work Load Management.
• Configured the Web Server interfaces, session management, virtual hosts and transports for WebSphere Application Servers.
• Responsible for managing, monitoring and creating Change Management Records (CMR), Critical System Support, to Install Web Applications. Clearing the problem and ticket queues, solving problems and reassigning to concerned groups by end of the day if required.
• Enabled Security Socket Layer (SSL) by requesting and generating digital certificates for implementation of HTTPS between Plug-in and Application Server.
• Configuring mutual Security Socket Layer (SSL) between Web server and AppServer along with Java client and App Server.
• Installed and Configured Wily Introscope agents on WebSphere environments along with monitoring custom Dashboard on Wily Enterprise Manager Console.
• Created the Problem Management Records (PMRs) with the IBM L2/L3 Support.
• Involved in configuration of JDBC Providers, Data Sources along with tuning Connection pool settings for various application databases on DB2 and Oracle Servers.
• Involved in administering users, pages and portlets and integrating Portal 6.0 with LDAP.
• Responsible for providing security for new enterprise applications like Single Sign-On(SSO), Application Access Control using Site Minder Web Agent.
• Automated WebSphere administration tasks like installation, application deployment, configuration changes and run time operations by using wsadmin.sh and Jacl scripts.
• Responsible for developing SHELL scripts to handle daily administrative activities: Set up ANT script in the place of building and deployment processes.
• Created and maintained support documentation and reviewed production support documentation provided by developers.
• Performed 24/7 on-call support.

Environment: WebSphere Application Server v 8.5/8.0/7.0/6. 1/6.0, Portal server 6.1.5/6.1,Process server 6.1.x, AIX v5.3, UNIX, DB2, Oracle10g v10.2.0.4, Windows 2003 Server, DB2 UDB v9.0, IBM HTTP Server v 8.5/8.0/7.0/6. 1/6.0, Wily 8.0, Red Hat Linux 6/7.0, CA SiteMinder (WebAgent and TAIAgent), Shell Scripts, JACL Scripts.

Confidential

Sr. WebSphere Administrator

Responsibilities:

• Installed and configured IBM WebSphere Application Server 6.1/6.0/5.1, IBM HTTP Server 6.1/6.0/2.0.47 on AIX5.x using silent scripts.
• Experience in upgrading Application Server to 6.0.2.17, 6.0.2.21,and Web Server to 6.0.2.15.
• Created multiple WebSphere profiles like custom, cell, dmgr standalone using wasprofile.sh/bat and manageprofiles.sh/bat.
• Installation and Configuration of Deployment Manager to create Centralized application management.
• Deployed and maintained J2EE applications (EARs) to WebSphere environments.
• Provided infrastructure support during the entire life cycle of application deployment and testing.
• Worked closely with developers to Enterprise Applications, Web resources, JDBC providers and JVMs worked closely with DBAs, Security Admins, and UNIX Admins to resolve issues pertinent to database, external Security Manager (ESM) and OS resource utilization respectively.
• Extensively involved in migrating the all J2EE Applications, which includes setting up new Research, Dev, TEST and Production Environments from WebSphere 5.1.0.13 to WebSphere 6.0.2.17.
• Tuning and Monitoring the overall applications and system health with the statistics Average response time, Number of requests(transactions) and number of live http sessions, web server thread pools, the Web and Enterprise JavaBeans thread pools, database and connections pools, java virtual memory, CPU, I/O and System Paging.
• Hands on experience with performance monitoring tools like Wily Introscope and Tivoli Performance Viewer to monitor WebSphere Applications.
• Responsible for providing security for new enterprise applications like creating policy, rules, realms, user provisioning, single sign-on, Application access control using Site Minder and TAI.
• Performed Root Cause Analysis for issues pertinent to memory leaks, garbage collection etc using Heap Dump Analyzer and Thread Dump Analyzer.
• Configured Session persistence for application servers in cluster using Memory to Memory Replication in Master-Slave mode.
• Configured WebSphere for messaging by defining Queue Destinations & Queue Connection Factories.
• Handled deployment of Java servlets, Session beans and Entity Beans for each module to respective instances of application server clusters and web applications.
• Experience in implementing LDAP security models using Netscape LDAP Single Sign on(SSO) and IBM secure way (LTPA) and netegrity siteminder.
• Configured Secure Socket Layer (SSL) between deployment manager of WebSphere Application Server and IBM HTTP Server administration server using ikeyman utility by exchanging default dummy certificates, self-signed certificates and CA certificates.
• Installed EARs, WARs and configured application specific JVM settings, Web container parameters using the Admin Console and wsadmin.
• Involved in trouble shooting and performance tuning using Log Analyzer.
• Troubleshooting Application Servers start-up issues, Java code defects after deployment and class path issues.
• Good experience using scripting tolls like Unix Shell, ANT, Jacl and Jython.
• Documented all procedures, day to day administrative activities, Root Cause Analysis documents etc.
• Troubleshot production problems and provided 24/7 support for production systems.
• Installation, Configuration, implementation, tuning for high performance, and maintenance of Websphere MQ V6.0/5.3, WMB.
• Perform administration tasks using MQSC commands like create Queue Managers, Queues, Channels, Process Definition, backup and recovery.
• Providing MQ Security using OAM and testing support to Application teams.
• Application triggering using Messaging and Queuing, Creating of EG’s, Deploying Bar files.
• Troubleshooting and error handling.
• Deploying message broker flows and administration
• Worked closely with Build Manager, Development, Testing, Pre-Production and Release teams to align project deliverables within due dates and reporting issues.
• Broker deploy
• DB2 installation for broker
• Applying Fixes and upgrading MQ / MB
• Working with MQ clients
• Working with MQ clustering

Environment: IBM Web Sphere Application Server 6.1/6.0/5.1, IBM HTTP Server 6.1/6.0, Apache Web Server 1.3/2.0, Oracle 10g, Windows 2003, IBM Directory Server 5.1, WebSphere Portal Server 6.0, Cisco Load Balancer, Shell scripts, JACL, JYTHON, XML, ANT.

Confidential

WebSphere Administrator

Responsibilities:

• Installed, configured, and maintained WebSphere Application Server 6.0/5.1/5.0 and, IBM HTTP Server 6.0x and 2.0.x
• Installed the Refresh Packs and cumulative fixes to WebSphere 6.0 environment, plug-ins and IHS.
• Building and Configuring Clusters by using WebSphere Application Server v6.0.1x
• Configured and Enabled the Global Security System for WAS Administration for Console users and Console Groups using MS Active Directory Server as a LDAP User Registry.
• Implemented Creating and Managing the Nodes, Application Server’s, Cluster’s and Deployed Multiple J2EE Applications.
• Profiled all the J2EE Application’s and worked with Application Groups in improving performance of application and possible memory leaks in application before deploying.
• Deployment of J2EE Applications involved in Creating Cluster’s for Load Balancing and Failover, Configuring Resources like JDBC Provider, Creating Virtual Hosts, Shared Libraries, JNDI Configurations, EJB References, Creating Environment Variables, and Configuring Session Management.
• Optimized the performance of Enterprise Applications using Tivoli Performance Viewer.
• Implemented the skills of Load balancing for edge components using Cisco load balancer.
• Configured WebSphere resources including JDBC providers, JDBC data sources, and connection pools.
• Creating Version 4 Data Source and Version 5 Data Source depending on the enterprise application needs.
• Monitored for dumps, forced thread dumps to check for system objects using thread analyzer.
• Used Log Analyzer to monitor WebSphere Applications and tuned the environment accordingly like changing the JVM Heap, Connection Pool sizes.
• Created self-signed certificate for IBM HTTP Server using ikeyman.
• Responsible for monitoring the Wily alerts in High Availability severs in all QA and Production Environments.
• Expertise in administering and maintaining Production, Test and Development environment
• Problem Determination through the log files (JVM Logs) and rectified the problems or interacting with IBM support to solve problems.
• Responsible for Documentation of operational environments support procedures.

Environment: WebSphere Application Server 6.x/5.x, Oracle9.x, XML, SQL, Java, DB2, Jython, Shell Script, Perl, Window NT, LINUX Red Hat 4.2, Solaris v7, TCP/IP, IBMHTTP Server 2.0.47.1., Cisco load balancer.