SUMMARY

• Over 6 years of IT industry experience in Planning/Administration of Middleware components using various IBM Websphere Suite of products on different platforms.
• Extensive experience in management of enterprise applications using Web Sphere Application server 5.x/6.x/7.x, JACL/JYTHON, XMLConfig, Tivoli Performance Viewer, JMS, DB2/UDB (7.2.x/8.0.x), Oracle 9i/8i/7.x on UNIX(AIX, Solaris, LINUX) and Windows NT/2K environments.
• Well experienced in all stages of implementing the Workload Management (WLM) using cloning and clustering for High Availability
• Highly experienced in Configuring JDBC Providers, MQ Queues/Connection factories, Session Management, SIB and Global Security in WAS
• Well experienced in writing shell, JACL, jython scripts to automate administrative tasks for WAS.
• Expertise in migration of Websphere Application Servers from 6.0 to 6.1/7.0 and 6.1 to 7.0.
• Experience with Tivoli Performance Manager, wily introscope and ITCAM for Performance Tuning.
• Highly skilled in creating SSL using iKEYMAN, Console and command line tools like gsk7cmd and keytool.
• Applied various fixpacks to overcome issues with Application Servers, HTTP Server and Plugins.
• Competent in Garbage Collection Analysis, Core and heap Dump Analysis.
• Experience in Web server administration, which includes Configuration and Troubleshooting of IBM HTTP Server 1.3.x/2.0.x/6.0.x/7.0 Tomcat Web server, iPlanet 5.x/6.x.
• Experience in Installing and Configuring WebSphere Portal Server 5.x/6.x, JBOSS Application Server 4.2/5.1
• Knowledge in Installing, Configuring and Administering IBM Cognos 8.0, WebSphere MQ 5.3/6.x/7.x and MQ client.
• Good knowledge on Internet concepts(HTTP,TCP/IP,Web browsers,Firewalls).
• Worked with IBM on problem determination, troubleshooting, and resolution - PMRs, running scripts and submitting log info, trace, verbose-gc, thread/heap dump.
• Performed root-cause analysis for production outages and provided management with analysis reports.
• Excellent communication, analytical skills and highly flexible to learn new technologies in the IT industry and work towards company’s success.
• Quickly adaptive to new environment and has the capability of completing complex tasks independently.
• Worked closely with Project Manager, Development team, testing and production team to align project deliverables, dates and report issues/concerns.
• Familiarity and experience with various procedures and policies required for escalation and outage resolution with Strong documentation skills. Consistently met metric goals (SLAs) and target dates with a high level of customer satisfaction.
• Extensive experience in providing 24/7 on-call support for applications running on IBM WebSphere Application servers.

TECHNICAL SKILLS

Operating Systems: AIX 5.1/5.2/5.3/6.1, Sun Solaris 8/9/10, RHEL 5.3-8.0, ZLinux, Windows 2K

Application Servers: IBM Web Sphere Application Server 5.x/6.x/7.x, JBOSS, WebLogic 6.0

Web Servers: Apache 1.3/2.0, IIS, IBM HTTP Servers 1.3/2.0/6.1/7.0, iPlanet 6.0

Middleware: WebSphere MQ5.3/6.0/7.0, Websphere Portal Server 5.1/6.x, Websphere Process Server 5.1/6.x

Monitoring Tools: Vantage Analyzer, Wily Introscope, Site Scope, Tivoli Performance Viewer

Languages: Java, J2EE, JSP, Servlets, HTML, XML, C/C++

Scripting: JACL/JYTHON, Unix Shell Script, java script

RDMBS: Oracle 8i/9i/10g/11g, DB2 UDB 7.1/8.x/9.x, MS SQL 2K, SyBase

Networking: TCP/IP, HTTP/HTTPS, RMI/IIOP, DNS

Security: Siteminder, TAM, LDAP

UNIX Tools: FTP, SSH

PROFESSIONAL EXPERIENCE

Confidential, Madison, WI

WebSphere Systems Administrator

Responsibilities:

• Installed, configured and maintained Internet and Intranet Applications on WebSphere Application Server, HTTP Server on diverse UNIX flavours that includes AIX, Linux and Windows Platforms (2003/2008) in a multi clustered high availability environments.
• Experienced in Planning, Design, Installation and Integration of WebSphere Application Server Network Deployment, WebSphere Process Server and IBM Http Server.
• Developed WSadmin scripts using JACL, JYTHON to automate WebSphere processes including start/stop, creating and configuring servers, clusters, JDBC and MQ resources, deploying applications.
• Handled the maintenance of the WebSphere Application Servers on AIX/Windows platforms and setting up of the developing, staging and production environments for the ongoing application development.
• 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.
• Installed, Configured & regenerated the Patches and Web Service Plug-in on Application servers and Web servers.
• Involve in monitoring, shutdown and boot up, Network Support and Trouble Shooting.
• Package, build, Integrate and deploy enterprise J2EE applications on WebSphere that involves EAR (Enterprise Archives) and WAR (Web Archives).
• Expertise in AutoSys standards to produce job definitions that can be migrated from environment to environment with little or no change to the job definition.
• Configured GC parameters, monitoring the heap sizes by setting verbose GC, fine tuning and fixing memory issues.
• Used Wily Performance tools for monitoring and tuning the WebSphere environment.
• Implemented security using LTPA and LDAP for WebSphere Application Server.
• Good working experience in enabling WebSphere global security using Local OS and Sun One LDAP(LTPA mechanism), SSL configuration, ordering digital certs, creating key database using ikeyman and keytool tools, import/export certs and create self signed certs.
• Profiled all the J2EE Applications and worked with Application Development, QA teams to resolve possible memory leaks, improve application integrity, performance and resolve all issues.
• Involved in managing releases of products from development to QA to Pre-Production and Production.
• Worked on Problem tickets (PMR’s) and Change Requests (CR’s) with IBM to find effective solutions to various problems and performance issues.
• Performed troubleshooting on Java applications using WAS logs, traces, Log Analyzer, Resource Analyzer/Tivoli Performance Viewer in production environment.
• Worked closely with Project Managers, Team Leads, development, testing and production team to align project deliverables, dates and report issues/concerns.
• Regularly attended meetings on behalf of OSS Team & coordinate with different teams for task accomplishment.
• Created documentation for installation, configuration and troubleshooting which are useful for OSS team during on call support.
• Worked and solved variety of issues with WebSphere and J2EE applications. Provided 24/7 support for critical applications with on-call pager rotation, flexible to work during off hours.

Environment: WebSphere Application Server 6.1/7.0, IHS WebServer 6.1/1.3.28, WebSphere Process Server 6.X, Application Server Toolkit V6.1, AIX 5.3/6.1, RHEL 8.0, WSAD, Wily Introscope, Tivoli Directory Server v5.0 (LDAP), XML, Oracle 9i/10g, Windows 2003/2008.

Confidential, Phoenix, AZ

WebSphere System Admin

Responsibilities:

• Installed, configured and maintained IBM WebSphere Application Server 6.0/6.1, IBM Http Server 1.3/2.0, Apache 2.x on heterogeneous platforms (AIX,Linux/Windows 2003).
• Involved in migration from WAS 6.0 Network Deployment and Base to WAS 6.1 ND on Linux platform. Applied refresh packs, fixpacks and cumulative fixes for WebSphere, IHS and plugins.
• Helped in building the applications using WSAD/RAD to refresh projects, compile and package them through the ANT scripts.
• Hands on experience in Migrating the existing configuration and applications of IBM WebSphere using WASPreUpgrade and WASPostUpgrade tools on AIX.
• Applied Fix Packs for WebSphere Application Server 6.0/6.1 and hot fixes to various applications and multiple environments as per the change management system request to overcome the functionality and performance issues.
• 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).
• Responsible for changing and migrating source code of high profile applications and deployment on WebSphere Application Server.
• Troubleshoot problems on the various environments involving the integrations of WebSphere, IBM Http server, TAM and LDAP.
• Configured global security on WebSphere using IBM Directory Server and secure the admin console.
• Troubleshoot problem-tickets, worked with developers to identify the root cause and resolve the issue or propose a potential work around and successfully resolved LDAP, SiteMinder, WAS, MQ, code, and data issues.
• Implemented authentication and authorization permissions to web resources and Installed SSL certificates on the web servers using iKEYMAN.
• Installed & Configured Apache web server v1.3/2.0.x on Sun E450 servers in Solaris environment and configured configuration file for virtual hosts for all sites.
• Managed the security and performance optimizations for Web/EJB containers and web applications in IBM WebSphere, IBM HTTP Server and Apache web server.
• Worked on Horizontal and Vertical clustering methods providing fail over, effective load balance scenarios and efficient utilization of system resources.
• Configured enterprise applications and corrected performance problems by monitoring server availability and resource utilization analysis.
• Lead role in performance testing and tuning the applications performance emphasizing on JVM heap size, CPU utilization, JDBC connection pools, Garbage Collector, Web container threads, Servlets performance, response time alerts and thresholds.
• Problem determination using local error logs and by running user traces and service traces.
• Assisted in several thread dumps and heap dumps analysis using IBM Thread analyzer and IBM Heap Analyzer.

Environment: IBM WebSphere AppServer 6.1/6.0, IBM Http Server 1.3/2.0, AIX 5.2/5.3, Zlinux, RAD7, Windows 2003, SunOne LDAP, IBM Directory Server.

Confidential, Camden, NJ

WebSphere Administrator

Responsibilities:

• Installed, configured and maintained WebSphere Application Server 6.x on Sun Solaris.
• Involved in setting up a new QA environment by creating and managing the Nodes, Application Servers, and Clusters for Load Balancing and Fail Over.
• Did hot deployments without having to shutdown the application using Network Deployment Manager.
• Involved in Trouble shooting various problems in different stages of development, QA and production using logs files, JVM Count and JDBC Connections.
• Monitored WebSphere Application Server performance through inbuilt monitoring tool.
• Performed WebSphere configuration, backup and restoration tasks (by using backupConfig, restoreConfig commands etc).
• Improved performance, reliability, and scalability of the application server and its interaction with Web Servers, Database Servers.
• Involved in Tuning of WebSphere Application Server for performance improvements.
• Managed multiple high-profile, complex projects and implement with minimal disruption to end users.
• Managed complex environments for the customer IT environments from a software support perspective for IBM WebSphere Application Server on both UNIX and windows platforms.
• Worked with QA Team for Load Tests and Performance tests and identified the bottlenecks of the applications.
• Worked with Security team for possible security threats to WebSphere Platform and configured Web servers to their recommendations.
• Responsible for applying patches and fixes to WebSphere 6.x to bring it up-to-date.
• Worked closely with AIX Server Team for Operating System tweaks for Performance.
• Responsible for configuring performance monitoring tool Compuware Vantage Analyzer and was involved in documentation of day to day activities.
• Supported extensively in troubleshooting the issues and findings out root causes by analyzing core dumps in investigating and resolving system crashes.
• On-call support (24x7), Monitoring and maintaining multiple Applications.

Environment: WebSphere Application Server Network Deployment 6.0.2.17/6.1, Sun Solaris 8.0, iPlanet 6.1 Web Server, Windows 2003, IHS Web Server 6.0/6.1, IBM Cognos 8.0, Web Portal Server, Netegrity Siteminder 5.X, AIX.

Confidential

System and Network Administrator

Responsibilities:

• Administration of the Linux and Windows 2003 servers, maintenance of hardware, software and network installations, in-house technical consulting, training, software development and troubleshooting.
• Installed and configured Web sphere Application server 6.0 on Linux and Windows.
• Managed the Connection Pooling and registering web applications (Servlets, JSP) in the Web Sphere server.
• Implemented creation of Server groups and clusters in Web sphere Application server and cloning of servers (vertical and horizontal).
• Installed, configured and maintained apaches IBM HTTP server instances in Linux and Windows. Platform Expert in Troubleshooting, developing, deploying and supporting the Applications running on Web Sphere 6.0.
• Installed and Configured WebSphere Portal Server 5.1 on AIX.
• Configured Database and Security for WebSphere Portal.
• Monitoring performance of Web Sphere components interacting with databases, MQ queue depth, servlet response time, connection pool used, CPU usage using Wily and BMC Patrol.
• Develop automation scripts for configuration, code deployment, Server Restart, log rotation, backup, and restoration
• Applied Fix Pack and eFix for various versions of Web Sphere as Monthly Maintenance and Emergency Fix
• Interacted and advised Software Developers on various technical issues.
• Configured Web Sphere Web Container to support SSL encryption of the HTTP communications.
• Deployed Enterprise Java Beans (Both Session and Entity) using Web Sphere 5.x/4.0 application server
• Developed Shell scripts for launching applications to run remotely on Application servers.
• Maintenance of Web Sphere backup scripts using JACL.

Environment: Linux, Windows 2003, Web sphere Application Server 6.0, WebSphere Portal 5.1, NTP, FTPNFS, Tomcat, Java, JNDI, Servlets, JSP, XML and Oracle.

Confidential

System and Network Administrator

Responsibilities:

• Administration of the SUN Solaris Servers, Linux and Windows NT servers, maintenance of hardware, software and network installations, in-house technical consulting, training, software development and troubleshooting.
• Installation and configuration of Linux, Solaris, and Windows NT server.
• Configuration and maintenance of Apache Web Server on Linux.
• Created and managed user accounts and groups.
• Configuring printers and administering print queues.
• Setup and configuration of proxy server.
• Installation and configuration of LDAP server.
• Installation and configuration of Send mail for Linux.
• Taking daily and weekly backups WebSphere/Middleware Administrator.

Environment: Sun Solaris, Linux, Windows NT, Apache, IIS, Oracle, DB2 UDB, LDAP, Send Mail