Summary:

• IBM WebSphere Administrator with 8 years experience in ever increasing levels of responsibility and expertise in a wide range of IT disciplines specializing in Application Server, Web Server adept in all aspects of administration, maintenance, integration including installation, configuration and migration.
• Well versed in installing, configuring, administering IBM Websphere Network deployment 8.x/7.0/6.1/6.0x.x/5.1/5.0.x.x on distributed systems.
• Experience in installation and configuration of Apache Tomcat Server, IBM HTTP Server and Microsoft IIS Server and also configuration of Virtual Hosts for Apache HTTP Server, IBM HTTP Server.
• Experience in creating, configuring and administrating profiles, clusters, nodes, node agents and node groups for WebSphere Application Server
• Configured WebSphere MQ Queue Connection factory, Queues and listener ports.
• Hands on experience in configuring and deploying J2EE applications on WebSphere Application Servers using WAS admin console and WS admin scripting tool.
• Automated all WebSphere configuration Task Using AdminConfig, AdminTask, AdminControl Objects in jython Scripting and written shell wrapper scripts over jython script to manage the configuration from one centralized server.
• Experience on Appling Fix packs / e Fixes / Refresh packs / Cumulative fix packs for WAS using Update Installer and automating it.
• Created MQ Queue Manager, Queue and Channels.
• Performed day to day tasks on MQ such as checking Queue Depth and input/output connection.
• Created MQSC Scripts to create Queue Manager, Queue, Channels and Listeners.
• Successful implementations of Workload Management WLM using cloning and clustering techniques including horizontal and vertical clustering for achieving High- availability, scalability and failover.
• Expertise in configuring RDBMS products such as DB2UDB 9.x/8.x, Oracle 11g/10.x/9.x/8.x and Microsoft SQL server in AIX/Linux and Windows environments.
• Well acquainted with configuring SSL Certificates, Self-Signed Certificates.
• Experience in deploying application on Jboss Application Server.
• Monitored the performance of the deployed applications, WebSphere Application Server by enabling the Performance Monitoring Infrastructure PMI using Runtime Performance Advisor, Tivoli Performance Viewer and Wily Introscope.
• Expertise in using wsadmin scripts and Shell scripts to administer and automate batch job scheduling including backup and recovery processes and rotating logs.
• Provided Application support for teams requiring WAS, MQ and upgraded MQ on various environments
• Extensive knowledge on SOA Architecture and Web Services Technologies.
• Configured JNDI data source with a DB connection pool in Apache Tomcat 6.x
• Configured Apache Tomcat 6 to run behind a proxy server and enabled session replication.
• Provided On-site Storage Administration support and technical services to assist with installation of Storage products.
• Strong understanding of J2EE JSP, Servlets, EJB, JNDI, JMS , Java2.0, JDBC, Java Beans, RMI, XML, XSL, XSLT, XML Schemas and DTD, HTML, SQL.
• Experienced in Jython Scripting.
• Expertise in configuring the windows server and fix the issues by applying patches.
• Excellent Diagnostic skills, Quality assurance, Quality control and Analytical skills.
• Detect problems in early development stage and utilizing effective troubleshooting skills.
• Opening Problem Management Records PMR's and working closely with IBM support to resolve environmental issues.
• Well organized and proficient with details, Excellent interpersonal and team skills.

Technical Skill Set:

Professional Experience:

Confidential

Sr Middleware Engineer

Responsibilities:

• Installed, configured and maintained Apache Tomcat Server 7.x, WebSphere Application Server Base/ND 8.x/7.0/6.1, Microsoft IIS Web Server 7.0, and IBM HTTP Server 6.0/7.0 in Redhat Linux and Windows.
• Responsible for installation, configuration, support, and performance monitoring of high profile applications running on IBM WebSphere Application Server, Tomcat Apache Server and Microsoft IIS Server and integrate with different Web Servers.
• Defined, documented, troubleshoot, and resolved issues relating to the business workflows and supported the Environmental setup.
• Applying patches and plug-ins for WebSphere Application Server.
• Responsible for setting up the Build, Sandbox, Dev, UAT, Pre-Prod and Production Environments which includes Installing the WebSphere, fix packs, Creating Profiles, nodes, federation of nodes, was instances, Application Servers, Clusters, Virtual hosts, Data Sources, MQ Connection factories, Plug-in configuration, and Service Integration Bus Configuration.
• Deployed EAR/WAR files on multiple Servers/Clusters and maintained Load balancing, high availability and Failover functionality.
• Developed scripts of wsadmin using JACL, JYTHON for automation of WebSphere processes including start/stop, creating and configuring serves, clusters, JDBC and MQ resources, deploying applications.
• Created MQ Queue Manager, Queue and Channels.
• Performed day to day tasks on MQ such as checking Queue Depth and input/output connection.
• Created MQSC Scripts to create Queue Manager, Queue, Channels and Listeners.
• Worked on WebSphere automation using Jython shell scripting for deployment and configuration of all WAS environments that help in minimizing the manual efforts.
• Responsible for SSL and Digital Certificates for requesting, generating and implementation for the communication between webserver and the Application Server.
• Worked with the network team to define rules for Big-IP Load Balancing.
• Worked with IBM Support and development teams in resolving issues related to application memory leaks, analyzing java cores and heap dumps using Thread and Heap analyzer tools.
• Performed troubleshooting on Java applications using WAS logs, traces, Log Analyzer, Resource Analyzer/Tivoli Performance Viewer in production environment.
• Performance tuned the WebSphere Environment by configuring caching, queuing, pooling, JVM parameters and Problem determination.
• Capable of successfully manage time, projects, and multiple priorities, provide root cause determination for enterprise-wide issues, and able to work well under pressure and time constraints and be able to adjust to a constantly changing, fast paced environment.

Environment: IBM WebSphere App Server Base/ND 7.x/8.x, WebSphere MQ 7.x/6.x, RHEL 2.6.9, Windows 2003, J2EE 1.3/1.5/1.5, Apache Tomcat server 7.x, Microsoft IIS web server 7.0, IBM HTTP Server 6.0/7.0, Oracle 9i/10g, DB2 9.x/8.x, Siteminder R6/12 , Rally, Site Scope, Jython Shell scripts.

Confidential

Sr. WebSphere Administrator

Responsibilities:

• Installation and configuration of J2EE applications ears/war/jars on WebSphere Application Server. Worked closely with developers in deploying ears and wars, configuring necessary database resources JDBC Providers, data sources , MQ resources Queue Managers, Queue destinations, Queue Connection Factories qcf's , Message driven bean listener ports .
• Installed upgrades and fix packs to the runtime environment as required decreasing vulnerability to production environment.
• Successfully mapped the users and groups in LDAP Servers to the enterprise applications running on WebSphere Application Server.
• Responsible for troubleshooting networking issues, opening tickets for DNS changes, firewall requests.
• Installed MQ Secure node-to-node secure communications between external clients and Company in the distributed environment.
• Configured SSL communication between the WebServer Plug-in and the WebSphere Application Server.
• Involved extensively in troubleshooting the issues and findings out root causes by analyzing core dumps in investigating and resolving system crashes.
• Provided 24/7 pager support and worked with WebSphere Level2 support on PMRs in complicated issue resolution.
• Experience in Jython Scripting to automate the maintenance process of the WebSphere to handle everyday System Administration tasks such as backup procedure, system cleanup, system tasks, etc.

Environment: IBM WebSphere App Server Base/ND 6.x/7.x, RHEL 2.6.9, Windows 2003, J2EE 1.3/1.5/1.5, Tibco EMS 4.4/5.0, Tibco BW 5.6, IBM HTTP Server 6.0.2.9, Oracle 9i/10g, DB2 9.x/8.x, BPEL, WSAD, RAD7, Apache, SunOne WebServer 6x , Active Directory ADAM , Site Scope, Web Access, XML, DB2, Shell scripts.

Confidential

Sr Websphere Administrator

Responsibilities:

• Installed, configured, administered, troubleshoot and tuned WAS ND and IBM Http Server on AIX, Windows and HP-UX.
• Updated WebSphere Application Server, IBM Http Server and plug-in with latest fix packs and security fixes.
• Deployed application ears on WebSphere Application Server ND in Test, Stage and Production environments on a daily basis and troubleshot various configuration and application issues.
• Configured resources for enterprise applications like configuring JDBC providers, configuring JMS providers, configuring URL providers, configuring Mail Providers.
• Created, renewed and configured SSL certificates by either creating Self-signed Certificates or by importing new signer certificates into the WebSphere key store.
• Configured IBM Http Server for SSL on 443 by creating key.kdb file containing SSL certificate by either creating Self- Signed or Geo Trust Certificates.
• Configured WebSphere Application Server using IBM Lotus Domino Enterprise LDAP server as SSL LDAP registry.
• Involved in configuring the WebSphere load balancing utilizing WebSphere Workload Management including horizontal scaling and vertical scaling.
• Developed many JYTHON, JACL scripts and shell scripts to automate the maintenance process of the WebSphere Application Server.
• Implemented global security for WAS 6.x/7.x by configuring the federated repositories.
• Profiled all the J2EE Applications and worked with Application Development, and QA teams to resolve possible memory leaks, improve application integrity, performance and resolve all issues, bugs before deploying in Production.
• Extensively used IBM Pattern modeling and Analysis Tool PMAT , IBM Heap Analyzer, IBM Thread and Monitor Dump Analyzer to identify the memory usage, leaks and analyzing the Garbage Collection and configuring the right GC parameters for better performance.
• Configured WebSphere to produce and gather garbage collector logs, JVM performance metrics for different aspects of the application.
• Implemented health check process for WebSphere Application Server and IBM Http Server.
• Troubleshoot problem-tickets, worked with developers to identify the root cause and resolve the issue or propose a potential work around.
• Managed multiple high profile complex projects and implemented with minimal disruption to end-users.
• Provided 24/7 on-call support on rotation basis for applications running in production on WebSphere Application servers.

Environment: IBM WebSphere Application Server Network Deployment 5.1/6.0/6.1/7.0, IBM WebSphere Process Server 6.x, IBM DB2, Informix, IBM Http Server 6.1/7.0, AIX, Linux, SLES and HP-UX.

Confidential

WebSphere Administrator

Responsibilities:

• Installed and configured WebSphere Application Server 5.x/6.x on different AIX 5.x, Sun Solaris 7.x/8.x, Linux and Windows servers on Dev, Stage and prod Environments.
• Experience in installation, configuration, deployment and management of Enterprise Applications in a clustered and non-clustered environment using IBM WebSphere Application Server and Portal Server.
• Extensive experience in driving the effort for major migrations.
• Experienced in configuring and managing resources like JDBC, JMS, SIB and WebSphere Variables.
• Excellent database knowledge in Oracle, DB2 and MS SQL Server.
• Skilled in implementing the Global Security in WebSphere using federated repositories, Custom User Registry, Local OS Registry and LDAP Server and configuring SSL and Single Sign On.
• Experienced in authentication management, access control, user administration and resource provisioning.
• Well versed in different stages of implementing the Workload Management WLM and failover using vertical, horizontal hybrid clustering for efficient use of resources on single and multiple machines.
• Built new Integration/Test/Staging/Production environments, installed Portal Server, configured with LDAP server.
• Experience in troubleshooting performance problems memory/heap, CPU starvation, hung threads using Tivoli Performance Viewer, Wily Introscope, Log Analyzer, Heap Analyzer, Thread Analyzer, Application Server Toolkit AST , and IBM Support Assistant.
• Experience with IBM on problem determination, troubleshooting, and resolution PMRs, running and submitting, gather scripts and log info, tuning, trace, verbose-GC, taking thread and heap dumps.
• Highly experienced in developing wsadmin scripts Jython, Jacl , Ant and Shell scripts to administer and automate batch job scheduling.
• Provided support for development, Test, UAT and production environments in activities such as load testing, troubleshooting and performance tuning.
• Performed Root Cause Analysis for production outages and provided management with analysis reports.
• Provided 24/7 on-call support for production.

Environment: IBM WebSphere Application Server 5.x/6.x, AIX, Windows, Linux, IBM HTTP Server, Tivoli Performance Viewer, ITCAM, LDAP, TAM, WPS, Oracle, DB2/UDB, HTML, Wsadmin, JACL scripts, J2EE, Service Center.

Confidential

Middleware Administrator

Responsibilities:

• Installed, Configured and Administered Web Sphere Application Server 5.1/6.1 on Sun Solaris8/9, Linux, AIX and Windows 2003 Advanced Server Environments.
• Created trouble tickets to IBM for WebSphere Environmental Issues and Involved conference calls with IBM and resolved the issues.
• Migrated the J2EE Applications from WebSphere 4.x to Web Sphere 5.0.2 and then to WAS 6.1.
• Extensively involved in Work Load Management, Application High Availability, and Performance Tuning by creating the Server groups and Clones, and Clustering.
• Monitoring WebSphere Application Server performance through Tivoli Performance Viewer.
• Configured and supported web servers IIS, iPlanet, Apache, etc. for Internet and Intranet environments.
• Configured and Enabled the Global Security for Administration for Console and some of the J2EE Apps and assign users and Groups using I planet Directory Server as a LDAP User Registry.
• Created SSL certification.
• Involved in bridge calls with other team leads and developers for resolving the High Priority Issues for High Availability Production Systems and also for deploying EAR files into Pre-production and Production Environments.
• Responsible for Documentation of operational environments support procedures, Configuration and management of Application clusters and Application load balancing and Application Server tuning and problem isolation.
• Resolved Deployment issues and network issues for Development team and in Production Environment.
• Requesting firewall rules for port openings for Internet applications.
• Monitored Capacity Planning, High Availability and Systems Scalability.
• Daily Administrative tasks include working with developers to troubleshoot issues, working to script and automate administrative tasks with Jacl and Jython Scripts.
• Extensively involved in Portal Server configuration like Portal Server install, cloudscape, to DB2 Migration, Security configuration, WebServer Server Configuration.
• Responsible for Deploying the portlets, themes, skins, and Application deployments for Portal Apps.
• Provided 24/7 support for Production Systems with company provided resources like Laptop, pager and support phone.
• Capable of successfully manage time, projects, and multiple priorities, provide root cause determination for enterprise-wide issues.

Environment: WebSphere Application Server 5.1/5.0.2.5/6.1, Iplanet web Server6.0, Netegrity Site Minder5.5/4.5, WebAgent5.5/3.5, DDA, LDAP Iplanet Directory Server, Citrix ICA Client, J2EE1.3/1.2, Java2.0, JSP1.2, EJB2.0, JDBC2.0, XML, Windows 2000/2003, AIX, Advanced Servers, Sun Solaris8/9, Site Scope, WSAD5.0/40, DB2, Oracle8.1.7/9.0.5, Remedy User, Load Director, VSS, Shell Scripts, WsAdmin scripting JACL Jython .

Confidential

Jr. Software Developer

Responsibilities:

• Involved in building MVC framework developing Session Beans, Entity Beans, contributed to object oriented class design database tier object modeling.
• Business rules were taken care in the Enterprise Java Beans. Many methods were coded for performing the business rules and validations.
• Used J2EE design Patterns to design middleware component. Developed the J2EE application part using Servlets, JSP.
• Developed Custom Tags to simplify the JSP2.0 code. Designed UI user interface modules using JSP 2.0, HTML pages using CSS, JavaScript and AJAX for validations.
• Involved in maintaining security features like page level and field level security for different JSP pages
• Develop and deploy the application to manage the java and backend communication.
• Developed web components and EJB components and deployed on Apache Tomcat Server 4.1

Environment: Java, J2EE, JSP, Servlets, Struts 1.1, EJB, HTML, XML, ANT, Oracle, Apache Tomcat.