SUMMARY

• IT professional with wide experience in middleware infrastructure administration. Worked extensively with IBM WebSphere Application Server (WAS) across various flavors of Unix/Linux. Excellent team player with organizational and analytical abilities and trouble shooting skills.
• Expertise in installation, configuration, deployment and management of Enterprise Applications in a clustered and non - clustered environments using WebSphere Application Server v8.x/7.0/6.x/5.x.
• Experience in integrating and configuring WAS with WebSphere MQ on various platforms.
• Good working experience in configuring WAS Resources - JDBC Providers, Data Sources, JMS Providers, Connection Factories, Queues, Topics, Service Integration Bus, MDB Listener Ports, Shared Libraries and Resource Environmental Providers.
• Extensive experience in implementation of Workload Management (WLM) using clustering techniques including Horizontal and Vertical Scaling for failover and backup/recovery processes.
• Strong experience in managing Security using Authentication, Authorization, SSL s, Single Sign On, LTPA and User Registries.
• Experience in using Tivoli Performance Viewer, Log Analyzer, Heap Analyzer and Thread Analyzer for Problem Determination.
• Migrated WAS from across multiple versions. (6.x to 8.x, 7.x).
• Worked extensively in role swapping and data center migration.
• Experience in developing JYTHON and Shell scripts using WS Admin to automate the WAS regular maintenance tasks.
• Extensive working knowledge with TCP/IP load balancers such as CSS, GSS and Resonate.
• Working experience in setting up DMZ environments with solid concepts of DNS, TCP/IP, Firewalls, and Multi-tiered architectures.
• Provide 24x7 on-call support of production systems and good working experience with IBM Web-based System Manager, BMC Patrol and ContorlM to monitor systems health.

TECHNICAL SKILLS

Languages: Shell, Jython, Java, JSP

Web Servers: Apache/IBM HTTP Server

Application Servers: IBM WebSphere 5.x, 6.x. 7.x, 8.x

Operating Systems: AIX, Linux, Solaris, Windows 95/98/NT/2000/XP

Monitoring Tools: Tivoli Performance viewer

Version Control: CVS, PVCS

Utility Tools: IBM Web-based System Manager, Ant, Humming Bird, Mercury TestDirector, PuTTY

PROFESSIONAL EXPERIENCE

Confidential, NYC, NY

Middleware Administrator

Environment: IBM WebSphere 8.0, 7.0, 6.x, IHS 8.x, 7.x, 6.x, SUSE 10 SP2, Oracle 9i/10g, DB2, Active Directory, Tivoli Performance Viewer.

Responsibilities:

• Installed and configured WebSphere Application Server 8.x, 7.X and IBM HTTP Server 7.x for Development, system test, test and pre-production environments for the ongoing application development.
• Deployed application ears on IBM WebSphere Application Server Network Deployment in Development, System Test and Performance Test on a daily basis and troubleshoot various configuration and application issues.
• Installed RefreshPacks, FixPacks and Interim Fixes.
• Implemented workload management (WLM) for failover using a horizontal, vertical and a combination of horizontal and vertical clustering.
• Configured WebSphere resources such as JDBC Providers, Data Sources, Connection Pooling and administered performance tuning.
• Installed and configured the WebSphere plug-in for remote web servers
• Create/configure web-instances; generate/propagate plug-ins.
• Collect garbage collection data for monitoring JVM heap sizes.
• Analyzed logs, Head Dumps and Thread dumps generation.
• Configured admin console security on WebSphere and creating users with various roles to access the WebSphere admin console - users and groups and added them in LDAP Console Groups using Admin console.

Confidential, Wayne, PA

Websphere Administrator

Environment: IBM WebSphere 6.x/5.x, IHS 6.x/5.x, Websphere MQ 6.x, AIX 5.3, Tomcat 5.5.17, Red Hat Linux 5.2, Windows NT/2000/XP, DB2 9.1, VMware vCenter Server 4.1, Load balancers (CSS & GSS)

Responsibilities:

• Set up new WebSphere environments and created different types of Profiles in WAS 6.x.
• Created Horizontal and Vertical clusters for Failover and Load balance.
• Production Support of Websphere MQ Version 5.x,6.x.
• Administered WebSphere admin console by setting appropriate roles like Administrator, Configurator, Monitor and Operator role to LDAP users.
• Migrated across versions.
• Created new Virtual Hosts and configuring Host Aliases.
• Generated new plugin under WDM and moving Plugin config file to IHS Web server to establish communication between Web server and Websphere.
• Configured JDBC Provider, Datasource and J2C Authentication alias.
• Configured initial and maximum Heap size based on requirements.
• Created Application Server/ JVM in V6.x though WAS Admin console.
• Set up JVM logs by configuring the log file rotation based on log file size/time parameters. Setting the number of Historical log files depending upon the environment for analyzing logs.
• 24x7 support for Production environments.

Confidential, Minneapolis, MN

Websphere Administrator

Environment: IBM WebSphere Application Server 5.x/6x, Websphere MQ Series 5.x, Redhat Linux, DB2 7.x/8 x, Oracle 9i/10g

Responsibilities:

• Production support of Investment management Apps 24/7 on a weekly rotation basis.
• Involved in the build and support of DEV, QA and UAT WAS 6.1 and WAS 5.1 environments.
• Production Support of Websphere MQ Version 5.3, creating local queues, remote queues, creating channels, listeners and installed client software on AIX, Solaris and Windows Platforms.
• WebSphere Portal Administration expertise, Clustering, Administration, Deploying WPS portlets, pages, and portal applications.
• Secured administrative server’s using Authentication, Authorization, Single Sign on, LTPA, User registry.
• Involved in the Disaster Recovery tests.
• Enabled SSO by installing webagent and registering with the policy servers
• Involved in opening and working on PMRs with IBM to solve various issue related to the environment. Enabled traces as part of troubleshooting and used collector tool to submit the logs and traces to IBM after running the must gather scripts and enabling various traces and taking thread dumps.
• Participated in team meetings and management meetings to resolve issues related to the various environments.
• Configued adminconsole security on WebSphere and creating users with various roles to access the WebSphere admin console - users and groups in ldap and added them as WebSphere Console Groups.
• Was responsible for documenting the various procedures involved in the day to day maintenance of the various environments.

Confidential, Minneapolis, MN

WAS Administrator

Environment: IBM WebSphere 5.x, IBM HTTP Server 1.3/2.0, Solaris 8, AIX 5.2, Windows NT/2000, Oracle 9i/10g, DB2

Responsibilities:

• Installed and Configured WebSphere Application Server 5.1 enterprise edition on AIX platform.
• Installed fix packs and cumulative fixes on Websphere application server.
• Implemented horizontal clustering for Websphere application server.
• Implemented work load balancing between the horizontal clustering.
• Deployed applications on Websphere application server.
• Configured JDBC connections to data bases
• Configured WebSphere MQ connections for connecting the applications on Websphere to Websphere MQ.
• Configured Apache server to WebSphere application server.
• Worked with Admin console and wsadmin commands of Websphere application server.
• Worked on various Business Process Outsourcing assignments in India using QuickBooks Pro accounting packages specializing AR & AP functionalities.