SUMMARY

• Over 7years experience as a Websphere Administrator in increasing levels of responsibility and expertise in a wide range of IT disciplines specializing in Application Server, Web server, adept in all facets of administration, maintenance, Integration including Installation and Configuration.
• Extensive experience in Planning, Patching, Tuning, Troubleshooting and Integrating IBM WebSphere Application Server, Apache Tomcat, Jboss, Apache Http Server, IHS, Glass Fish Application Server, SunOne Web Servers and LDAP
• Expertise in different phases of Software life cycle wif emphasis in Implementation, Deployment and Support of distributed enterprise scalable, secure and transactional J2EE applications in production environment.
• Strong experience in Administration and Maintenance of WAS - ND clusters (vertical, horizontal) and deployment of applications in highly available, load balanced production environments.
• Involved in performing stress testing to test for workload balancing and memory leaks, connection pooling issues in Web Sphere Application Server and tuning.
• Experienced in WSadmin scripts to manage WebSphere Application Server configuration, application deployment and server run time operations. Experience in creating, configuring and administrating profiles, clusters, nodes, node agents and node groups for WebSphere Application Server.
• Experience in configuring Workload Management (WLM) using horizontal and vertical clustering in a WAS Network Deployment environment.
• Ability to define system requirements, recommending solutions, analyze capacity and makes appropriate modifications.
• Highly experienced deploying and debugging applications in Base, Enterprise and ND WebSphere Application Server providing load balanced and highly available clustering solutions.
• Expertise troubleshooting production issues like application server hang, high Memory and CPU issues and overall server Status wif commands and GUI tools.
• Good communication skills wif high motivation to work in a team environment and also capable of managing the project independently.
• Ability to interact wif developers and product analysts regarding testing status and maintaining detailed documentation.
• Good noledge in configuring High Availability Manager for failover & recovery techniques.

TECHNICAL SKILLS

Web Servers: IHS, IIS, Apache, Sun One

Application Servers: WAS 5.x/6.x/7.0/8.0, Apache Tomcat 7.x, Glass fish, Jboss 5.x/6.x

Web Technologies: C, C++, Java, J2EE, SQL, HTML, XHTML, XML, CSS, JQuery, Java Script, JACL, Jython, ANT, WSCP, Shell scripting, Perl, JavaScript.

Operating Systems: Sun Solaris 8/9/10, AIX (5.1/5.2/5.3), WINDOWS 2000/2003, RHEL 3/4/5/6., HP-UNIX, MS-DOS.

Data Bases: Oracle 9i/10g/11g, IBM DB2 8.x/9.x, SQL Server

Protocols: TCP/IP, HTTP/HTTPS, SOAP, RMI/IIOP, Telnet, SSH, SSL, Flat File, JDBC, FTP, SFTP

PROFESSIONAL EXPERIENCE

Middleware Engineer

Confidential, Holland MI

Responsibilities:

• Installed, configured and maintained IBM WebSphere Network Deployment Server 7.x/8.x, IBM HTTP Server 7.x/8.x.
• Migrated WebSphere ND from 7.x to 8.x on AIX, Linux systems
• Upgraded WebSphere ND 7.x and 8.x wif refresh packs and fixes packs.
• Integrated and deployed Enterprise J2EE applications on WebSphere ND 7.0 and 6.1 that involves EAR, JAR, WAR files using Admin Console and automated scripts.
• Migrated all the applications on WebSphere 7.x to 8.x
• Implemented the Clustering Topology for Application Server that meets High Availability and Failover requirement for performance and functionality.
• Used Profiling tool to fine tune the application's performance.
• Worked on Administering IBM Lotus Web Content management 2.5/5.0/6.0 versions
• Managed Security and Performance optimizations for IBM WebSphere Application Server, IBM HTTP Server and Apache Web Server.
• Configured the Web Server interfaces, Virtual Hosts and Session Management.
• Analyzed Heap dumps and Core dumps using IBM Heap analyzer and thread analyzer.
• Troubleshooting on issues such as out of memory, memory leaks, hung sessions and session replication, federation of nodes and synchronization of nodes wif NDM.
• Configured WebSphere resources like JDBC providers, JDBC data sources, connection pooling.
• Experience in building an application using ANT Scripts and Automated Deployment of the applications using the Scripts.
• Extensive hands on using UNIX Shell scripts, JYTHON automated scripts for administration.
• Configured IBM HTTP Server wif SSL for communication between Plug-in and Application Server.
• Monitored and tuned application infrastructure for better performance, availability and utilization of resources.
• Created Self-Signed certificate for IHS 2.0.47 using ikeyman tool.
• Problem determination using local error logs and by running user traces and service traces.
• Involved in assisting QA team in Load and Integration testing of J2EE applications on WebSphere Application Server.
• Maintained updated documentation of all the Servers, installed applications and updates.
• Assembled and deployed the application in staging, in productions, following change management practices and 24/7 support.

Environment: WebSphere Application Server 6.x/7.x, Websphere Process Server 6.x/7.0, IBM HTTP Server 6.x/7.0, AIX 6.1, RedHat Linux, Windows 2003/2008/XP, DB2, MySQL 2003,CA Wily Introscope 8.x/9.

Web Sphere Administrator

Confidential, Hartford, CT

Responsibilities:

• Installed and configured IBM Web Sphere Application Server ND and IHS on Sun Solaris8 and Windows 2008 server in a multi clustered high availability environments.
• Migrated WAS application’s from 6.1 to 7.0 in development, test and production environments.
• Implemented horizontal and vertical scaling of WebSphere in a workload managed cluster to avoid failovers.
• Performed the package, build, integrate and deployment of enterprise J2EE applications on Web Sphere 6.1 that involved the creation and editing of EAR, JAR, WAR files.
• Configured WebSphere resources including JDBC providers, JDBC data sources and connection pooling.
• Installed plug-ins and worked on issues related wif the AppServer and webserver connectivity.
• Troubleshooter for various issues like Heap size, class path, threads pools and port conflicts.
• Log rotation of web and application server logs on a daily basis.
• Deployed Enterprise applications on clustered Application Servers through admin console and by using automated scripts on UNIX/Windows environment.
• Created users, groups in LDAP (TDS) and mapped them to the enterprise applications running on WAS.
• Generated web plug-in and configured wif web servers by doing manual edits.
• Involved in configuration of Web Sphere Application Server resources like JDBC, J2C, JMS and Connection Pooling.
• Integrated Enterprise-wide J2EE applications and deployed using Admin console, automated using wsadmin scripts (JACL & Jython).
• Reviewed Web Server, Application Server Performance Monitoring data using both Wily Introscope and Tivoli Performance Viewer and reviewed historical Tivoli logs for root cause analysis, recurring events and involved in troubleshooting.
• Maintained UNIX Shell Scripts, JACL to automate the WebSphere administration (deploying customer applications, logs rotation, monitor applications state etc...).
• Worked on Problem tickets (PMR’s) wif IBM to find effective solutions to various problems and performance issues.
• Well documented all procedures and any other important issues.
• Provided 24/7 on call support on rotation basis.

Environment: WebSphere Application Server ND 6.1.x/6.0.x/5.1.x/5.0.x, Sun Solaris 8, Windows 2000, DB2UDB 8.0, IBM HTTP Server 6.x/2.0/1.3, XML, Tivoli Directory Server v5.0(LDAP), Tivoli Performance Viewer, wsadmin, Jacl.

Middleware Admin

Confidential, Morrisville, NC

Responsibilities:

• Installing and configuring Microsoft IIS server and WebSphere Application Server v6.1 on Windows 2008 and Linux server platform.
• Implemented horizontal and vertical scaling of WebSphere Application Server (WAS) in a workload-managed cluster.
• Installing, configuring, deploying and testing applications using WebSphere Portal Server 6.0
• Migrated Portal from older version v5.1 to newer version v6.0. Exporting and Importing configurations from v5.1 to v6.0 using Migration command-line tool.
• Experienced in deploying EAR, WAR and JAR, Portlets on to both Websphere Application Server V5.0/6.0.
• Installed, Configured and Administered IBM HTTP Web Servers, Apache V2.0.
• Responsible for maintenance of the Websphere Application Servers and Web Servers on different AIX platforms and setting up the development, testing and staging environments for the ongoing application development.
• Have managed JBoss systems in different various for mission critical applications in complex environment wif minimum supervision.
• Installation of Fix Packs, cumulative fixes and interim fixes to overcome the Websphere application servers problems, based on the recommendation of IBM.
• Configured JDBC provider and data source to connect to the DB2 databases for application data.
• Configured SSL for communication between Plug-in and Application server.
• Developed UNIX shell scripts, JACL scripts that automate the WebSphere Administration (recycling the application server, deploying customer applications, logs rotation, monitor applications state, etc.)
• Used automated scripts to perform routine management tasks on WebSphere environments like monitoring Disk Space, CPU and Memory utilization.
• Package, build, Integrate and deploy enterprise J2EE applications on WebSphere 5.0/6.0/ that involves EAR (Enterprise Archives) and WAR (Web Archives).
• Configured and setup Secure Sockets Layers (SSL) for data encryption and client autantication.
• Design and maintain clusters and queue sharing groups.
• Involved in performance tuning of the WebSphere.
• Involved in configuring Security wif LDAP and handled ITCAM, Wily Introscope, Dynatrace for monitoring the performance and for troubleshooting of Websphere environment.
• 24x7 Production support for Websphere environments (Data Center).
• Performed the daily system administration tasks like managing system resources, writing scripts, and end users support, operations and security.
• Coordinated wif the system vendor/IBM for any system upgrades, releases, software fixes
• Documented all procedures and any other important issues.

Infrastructure Engineer

Confidential, San Francisco, CA

Responsibilities:

• Installed, configured & upgraded WAS for all QA, Disaster Recovery (DR), DEV and Production environments
• Installed and configured the IBM HTTP Web Servers on Sun platform
• Managed offshore team for team size of four
• Extensively worked on issues like High CPU & memory leaks to identify the bottlenecks by analyzing the thread dumps & heap dumps
• Responsible in Creating/Configuring websites on all webservers IIS/IHS
• Analyzed the results for Stress & Performance test & made necessary configuration changes to overcome the performance issues
• Tuned necessary JVM arguments initial heap, maximum heap, new size, survivor ratio & perm w.r.t the performance of an application
• Used WebSphere plug-in for load balancing across the cluster members
• Responsible for troubleshooting networking issues, opening tickets for DNS changes, firewall requests
• Responsible for writing and deploying shell scripts to automate various tasks like start and stop scripts, log rotation
• Experience to enterprise class system monitoring tools such as Wily and Tivoli

Environment: WebSphere Application Server, IHS, Sun Solaris, J2EE, Oracle, SQL Server

Jr. WebSphere Administrator

Confidential 

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 wif 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.