Summary:

• Seven years of IT experience with more than 5 years of strong experience in IBM WebSphere administration.
• Experienced in Installation and Configuration of IBM WebSphere Application server V4.0/5.x/6.x/7.x, Process server on AIX, Z/OS, Solaris, and Linux, HP-UX and Windows platforms.
• Experienced in administration and maintenance of WebSphere servers on distributed platforms AIX, Linux, Solaris, HP-UX and Windows NT/2000 and setting up the development, testing, staging and Production environments.
• Worked on WebSphere migration from 5.1/6.0 to WAS 6.1 and WAS 7.0.
• IBM HTTP Server IHS configuration/administration including proxy server, SSL, and LDAP authentication
• Configured and Implemented Workload Management WLM using cloning and clustering techniques including Horizontal and Vertical Clustering for failover and backup/recovery processes.
• Experienced in Performance tuning of several J2EE applications. Worked closely with load testing teams in user acceptance test environments to fine tune the applications before production deploy/migration.
• Extensive experience in deployment of J2EE applications and pre-deployment of Production applications on WebSphere Application Servers.
• Well Versed in Web Server installation, configuration and administration. Worked on Sunone 6.0, 6.1, Apache 1.3.x, 2.0.x, IBM HTTP Server 1.3.x, 2.0.x, working knowledge on IIS 5.0, 6.0,7.0.
• Configured Web server interface, Session management, JDBC resources, and MQ Queue Connection Factories, Mail Providers and JMS resources.
• Good knowledge of Firewall configuration and Network protocols DNS, 3DNS, F5 Load balancers, Network Dispatchers.
• Installed and renewed SSL certificates for all secure sites on IBM HTTP, Sun One iPlanet web servers.
• Worked closely with Siteminder administrators to install/configure/troubleshoot web agents on Solaris/AIX platforms.
• Experienced in developing Shell scripts to automate administration jobs and various other WebSphere monitoring tasks.
• Implemented several enterprise level base line audit requirements to make applications, environments comply with audit.
• Actively worked with Project coordinators, application and Enterprise Infrastructure architects from the initial sizing till completion of several middleware projects.
• Worked as Onsite-Offshore WebSphere coordinator in implementing several WebSphere administration tasks from offshore.
• Expertise in supporting enterprise based distributed applications over a wide range of production environments on a 24/7 on-call rotation basis for high volume, secure transactions and Web services.
• Excellent problem resolution and communication skills with ability to work under pressure in a highly visible role.
• Adaptive to team environment and has the capability of completing complex tasks independently.

TECHNICAL SKILLS:

• Operating Systems: AIX 4.3/5.1/5.3/6.1/7.1, Z/OS, Sun Solaris 8-10, HP-UX B.11.11, Red Hat Linux 3.x, 4.x, 5.x, Windows NT 4.0, 2000 and Server 2003,2008.
• Application Servers: IBM WebSphere Application Server 4.0/5.x/6.0/6.1/7.0, BEA Web Logic Application Server 8.1/9.2 and Apache Tomcat 5.5.x
• Process Servers: IBM WebSphere Process Server 6.1
• Web Servers: Apache 1.3.x, 2.0.x, IIS 5.0, 6.0, IBM HTTP Servers1.3.x, 2.0.x, 6.0,7.0 and Sun One 6.0, 6.1
• Networking/Servers: NIS, NFS, DNS, DFS, TCP/IP
• Monitoring Tools: Tivoli Performance Viewer, Wily Introscope 6/7.1/7.2.1, HP Openview Performance Manager
• Programming Languages: J2EE EJB, JSP, Servlets, JDBC, JMS , JNDI, C/C , JavaScript, SQL, HTML, XML, UNIX Shell Scripts
• RDBMS: Oracle 8i/9i/10g, DB2/UDB 7.2/8.0, SQL Server 6.5/7.0/2000/2005

PROFESSIONAL EXPERIENCE:

Confidential

WebSphere Administrator

Responsibilities:

• Responsible for installation, configuration and supporting existing systems for WebSphere Application Server 6.1/7.0
• Experienced in Service Oriented Architecture understanding of business process choreography terminology
• Design, maintain High Availability HA operational model, optimized scalability and capacity planning of the servers that host the process servers and application servers
• Dynamically react to changing business requirements with the ability to install new versions of a process and migrate running processes to a new version
• Configured WebSphere MQ queue connection factories WebSphere MQ queue destinations in WAS console
• Implemented Workload Management WLM on z/OS WAS Network Deployment ND environment using multi servant cloning and clustering techniques including process server topologies
• Enabled security and configured Secure Socket Layer SSL between Web Server, WebSphere Application Server and Process Server
• Involved in upgrading/migrating WebSphere Application Server and WebSphere MQ components
• Involved in WebSphere Process Server for z/OS installation, validation, performance testing/tuning, failover testing, troubleshooting production issues, isolating issues from process servers and other environments
• Enabled the security for WebSphere Application server 6.x/7 by configuring it with the LDAP server
• Responsible for establishing Single Sign On SSO between the Siteminder HIS.
• Scripted installation and deployment of web applications utilizing WAS, IHS, and IIS.
• Worked on IBM HTTP Server IHS for WebSphere Application Server 7.0 is included with WebSphere Application Server 7.0 and supports the same set of platforms, other than iSeries. It is based on Apache 2.0 and provides a rich set of Apache features in addition to IBM enhancements.
• Worked on IBM HTTP Server IHS which has performance enhancements like the FastCache accelerator which improves response time over the Apache Server by caching pages in kernel memory.
• Empowered basic knowledge to team members on how to use those ITCAM technologies and how does it work in presentations and documents
• Created basic portal workspace for different applications teams based on their requirements
• Performed Root Cause Analysis and involved in 24/7 production support including change management procedures, troubleshooting and monitoring
• Configured WebSphere Application Server on multiple platforms for both horizontal and vertical clustering for Work Load Management, fail over and high availability
• Installed and configured IBM WebSphere Application Server 5.x/6.x/7.x along with maintenance, trouble shooting and recovery on several distributed platforms.
• Installed and configured Apache 2.0.x and Sunone 6.1 Web servers and plugins.
• Installed and renewed the SSL certificates for all secure sites on IBM HTTP, Apache and Sunone web servers. Encrypted WebSphere to LDAP communication.
• Configured and setup Secure Sockets Layers SSL for data encryption and client authentication.
• Experienced in performance tuning by tweaking WebSphere configuration parameters like JVM heap size, jvm web container threads, DB connection pooling etc.
• Experienced in debugging memory problems by analyzing garbage collection, heap dumps.
• Responsible for implementing protocol for peer-to-peer interactions, defining, e.g., the legal sequences of messages exchanged with the purpose of guaranteeing interoperability.
• Responsible for Ensuring that information in multiple systems is kept consistent.
• Worked closely with load testing teams in user acceptance test environments to fine tune the applications before production deploy/migration.
• Configured WebSphere global security with LDAP registry. Created users with various roles to access the WebSphere admin console, users and groups in LDAP and added them as WebSphere Console Groups.
• Involved in opening and working on several PMR's with IBM support. Worked actively with IBM level 2 3 support engineers on several critical issues to isolate the source of problems. Good exposure with troubleshooting tools, enabling a trace, collecting must gathering information and analyzing the data.
• Worked closely with UNIX engineers in fine tuning certain Operating System parameters to make significant performance improvements to WebSphere Application Server.
• Involved in several disaster recovery exercises as part of the quarterly failover process. Failovers were at the Web, Application and database layers.
• Installed SiteMinder agents and fix packs for implementing policy-based authentication as well as single sign-on for Web-based applications.
• Experienced in defining synchronized and persistent IBM MQSeries Queue Manager, Channel Mangers and Queues.
• Familiarity with ITCAM to monitor key performance indicators for a system like CPU Utilization, Peak Disk Utilization, Active Processes, Run Queue Length, Network Input Packet Rate, Network Output Packet Rate etc.
• Experienced in change control procedures and also coordinating technical activities with Security, Network, DBA teams and other IT departments.
• Worked closely with Project managers, application teams, database administrators to ensure project deliverables and also high availability of applications.

Environment: IBM Websphere Application Server 5.x/6.x/7.0, Process Server 5.x/6.x ,IBM HTTP Servers 7.0,IBM MQSeries 5.x/6.0, IBM HTTP server 1.3.x, 2.0.x, ITCAM, Websphere Portal Server 6.0, Netegrity Siteminder Policy Server 6.0, DB2, Oracle 9i/10g, Z/OS.

Confidential

WebSphere Administrator/Middleware Support

Responsibilities:

• Responsible for Installation, Configuration, Administration and Trouble shooting of WebSphere Application Server on various distributed platforms.
• Installed WebSphere Application Server V5.0, V5.1 and configured it on AIX, Windows Server 2003 platforms.
• Migrated applications hosted on WebSphere 4.0/5.0 versions to 5.1 using WAS PreUpgrade and WAS PostUpgrade tools.igrat
• Experienced in applying fix packs and cumulative fix packs on top of the installed versions of the WebSphere Application Server 4.0, 5.0, 5.1, and 6.0 .
• The IBM HTTP Server IHS , powered by Apache, is a Web server based on the Apache Web server developed by the Apache Software Foundation ASF . The IBM HTTP Server includes several functions not available in the Apache Web server.
• InstallShield for multiple platforms, enabling consistent installation of the IBM HTTP Server to alternate directories
• Simultaneous installation of the IBM HTTP Server in multiple languages on all platforms.
• Web server LDAP authentication protection through an LDAP module. Installed and renewed SSL certificates on the web servers using ikeyman tool.
• Configured WebSphere resources JDBC providers, JDBC data sources, connection pooling, Java Mail sessions, MQ Queue Connection Factories and Mail Providers
• Experienced in configuring the Work Load Management in the Network Deployment environment to distribute the load evenly across all the nodes.
• Experienced in deployment of J2EE applications and also implemented pre-deployment of Production applications on WebSphere Application Servers.
• Responsible for the debugging of the application problems during development cycle across various environments.
• Used Tivoli Performance Viewer to monitor performance data like application resources enterprise beans, Servlets, JSP's and WAS as runtime resource JVM heap size, jvm thread pools and database connection pools .
• Experience with IBM Thread and Monitor Dump Analyzer for analyzing thread dumps, thread activities.
• Analyzed log files using Log Analyzer for diagnosing production problems.
• Worked closely with UNIX teams to detect and troubleshoot system side problems.
• Responsible for coordinating operating system security patches with UNIX team.
• Provided 24x7 on-calls Production Support on rotation basis.
• Worked as Onsite-Offshore WebSphere coordinator in implementing various WebSphere tasks from offshore.

Environment: WebSphereV5.0/V5.1/V6.0, IBM HTTP Server 1.3.28/2.0.42.1,WebSphere Portal Server 5.0, AIX 5.1/5.3, Sun Solaris 8.0, Red Hat Linux 3.x, 4.x, Windows NT, 2003, Tivoli Performance Viewer, Wily Introscope 6, Oracle 9.2.0.6.0, 10.2.0.1.0, SQL Server 2000, CVS.

Confidential

WebSphere Administrator/Production Support

Responsibilities:

• Installed and configured WebSphere Application Server 4.0, 5.0.
• Responsible for analyzing and debugging application and WebSphere problems.
• Configured WebSphere Application Server clustering, load balancing and failover.
• Configured DMZ-Web Servers and intranet application servers using the firewalls between the Web Servers and application servers.
• Responsible for packaging, deploying the EAR, WAR files and also automating deployment of the applications.
• Configured session management, virtual hosts and transports for WebSphere Application Servers.
• Developed and modified JACL scripts and shell scripts to automate the maintenance process of WebSphere.
• Involved in number of WebSphere installations from development to production environments.
• Experienced in Performance tuning using Tivoli Performance Viewer and trouble shooting using log analyzer.
• Familiarity with IBM Edge Server and Network Dispatchers for load balancing.
• Experienced with optimizing WebSphere Application Server using horizontal and vertical cloning to distribute performance load across multiple machines.
• Defined synchronized and persistent IBM MQSeries Queue Manager, Channel Managers and Queues.
• Working knowledge on Architectural Design, implementation, periodic testing and support of Web environments with respect to high availability and Disaster Recovery.
• Participated in several recovery exercises on AIX and Solaris machines.
• Experience with Inventory management for Software and Hardware along with support during Enterprise Technology Refresh process.
• Implemented standard backup procedures for WebSphere and applications.
• On call, 24x7 production support and maintenance of Applications Servers.

Environment: Java, Java2EE, WSAD 5.x, IBM WebSphere Application Server3.5//4.0/5.0, IBM MQ Series, IBM HTTP Server, iPlanet, Windows 2000/2003, UNIX AIX/Solaris and Netegrity SiteMinder 5.0.

Confidential

Jr. WebSphere Administrator

Responsibilities:

• Setup, installation and administration of IBM WebSphere Application Server 5.0 and IBM HTTP Server
• Involved in migration of WebSphere Application Server 4.0 to WebSphere Application Server 5.0
• Deployed applications EAR/WAR files on multiple servers/clusters and maintained load balancing, high availability and failover functionality
• Troubleshooting and administration of IBM WebSphere Application Server 5.0 and IBM HTTP Server
• Troubleshooting applications, analyzing logs to diagnose problems
• Monitoring applications and servers
• Creating PMR's Problem Management Record and coordinating with IBM for problems encountered by application teams
• Configured WebSphere resources like JDBC providers, JDBC data sources, connection pooling
• Implemented creation of server groups and clusters in WebSphere Application Server.

Environment: IBM WebSphere Application Server 4.0/5.0, Oracle, Windows XP, Apache, LDAP, IBM HTTP Server, Solaris 5.8, Red Hat.