SUMMARY

• Over Seven years of Extensive experience in Installation, Administration, Configuration, Monitoring, Troubleshooting of WebSphere Application server (V7.x/V8.0), various webservers - IBM HTTP Server, Apache, Sun ONE & IIS on AIX, Linux, Solaris and Windows.
• Hands on experience in IBM WebSphere Application Server, J2EE technologies like Java, Servlets, JSP, XML, HTML, Struts and EJB’s.
• Experience in installing, configuring, managing and trouble-shooting WebSphere Application Server Base/ND/XD, IBM HTTP server and Apache web servers on IBM AIX, SUN Solaris, Red Hat Linux 9.1, RHEL, and Windows.
• Knowledge in Web Server administration, which includes installation, configuration and troubleshooting of IBM HTTP Servers, Apache Server, iPlanet server
• Experience in applying fix packs and plug-ins, troubleshooting, performance tuning and performance monitoring of WebSphere Application Server.
• Configured and Secured Web server interface, Session management, WebSphere resources, J2C resources, connection factories and JMS resources in WebSphere.
• Successful implementations of Workload Management using cloning and clustering techniques including Horizontal and Vertical Cloning for failover and backup/recovery processes
• Using WILY intro-scope Performance tools for monitoring and tuning the WebSphere environment (JVM heap size, connection pool size, etc
• Troubleshooting Production issues, Worked on resolving Application Server Hang issues and High memory and CPU issues in WebSphere Application Server 5.0/5.1/6.0/6.1.
• Involved in the configuration of Web Sphere Application Server resources like Data Sources, JDBC Providers, JNDI and Connection Pooling in order to connect to databases.
• Configure SSL for Web Servers and LDAP Security for WebSphere using IBM Directory server.
• Configured Secure Sockets Layers (SSL) for data encryption and client authentication and used iKeyman key utility to manage keys and certificates.
• Experienced on protocols like FTP, SFTP, SMTP, SOAP, and TCP/IP.
• 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 analyze thread dumps.
• Used Log Analyzer, Heap Analyzer, Thread Analyzer to analyze the java core dumps and heap dumps respectively.

TECHNICAL SKILLS

Operating Systems: IBM AIX 5.3/6, SUN Solaris 8/9/10, LINUX (REDHAT) Windows NT/ 2000/2003/2008 Server and Windows XP/VISTA/7

Application/Web Servers: IBM WebSphere Application Server Base/ND/XD5/5.1/6/6.1/7, Apache Web Server 1.2.2/1.3/2.0, IBM HTTP Server 6.0/7.0, IBM WebSphere MQ Series 5.x/6.x/7.0

Database: ORACLE 8i/9i/10i and MS-Access 2000

Java/J2EE Technologies: HTML, JavaScript, XML, J2EE 1.3/1.4, JDBC, Servlets, EJB and JMS

Network Protocols: TCP/IP, HTTP/HTTPS, SOAP, SSL, DNS and Telnet

Scripting Languages: Jython, and UNIX shell Scripting

Development/Build Tools: IBM WSAD 5.1, RAD 6.0/7.0, ANT

Others: LDAP, Site Minder

PROFESSIONAL EXPERIENCE

Confidential - Phoenix, AZ

WebSphere Administrator

Responsibilities:

• Involved in deploying, troubleshooting, maintaining and configuring J2EE applications in various environments like Dev, Integration, QA, Stress, UAT and Prod.
• Provided various J2EE applications support at the enterprise level.
• Global security configuration for WebSphere Application Server and using Sun ONE Directory Server as LDAP user registry.
• Managed the Security and Performance optimizations for EJB containers and web applications in WAS, IBM HTTP Server, Apache Web Server and Tomcat Server.
• Used Automated Tool called CERTMAN for SSL Cert Renewal to speed up the process and eliminate errors.
• Created DB connectivity for Oracle 10g databases in Development, UAT and Prod environments.
• Deployed portlets, themes, and skins in portal server.
• Create Incident Tickets and RFC’s to assign tasks to related Groups.
• Handling SalesForce tickets.

Environment: IBM WebSphere Application server Network Deployment(ND) 7.0/8.x, IBM Portal Server 7.x/8.x, IBM Tivoli Directory Server 8.x,Sun One LDAP, fix packs, DB2,Jython, JACL, Perl and UNIX shell scripts.

Confidential - Alpharetta, GA

WebSphere Administrator

Responsibilities:

• Installed, configured and administered IBM WebSphere Application Server 7.0/8.0 on AIX environment.
• Installed, configured and administered IBM HTTP Server and SUNONE Web servers.
• Worked in different environments like Development, Testing, Pre-production and Post-Production Maintenance.
• Configured clustered environment in Web Sphere Application Server V 8.0.X and deployed applications on Windows, Linux and AIX environment.
• Deployed WAR, EAR applications in clustered WebSphere Application Server environment for Testing in Pre - Production environments and production.
• Setup profiling tools for J2EE Application's and worked wif Application Groups in improving performance of application and possible memory leaks in application before deploying.
• Upgraded Applications wif various patch files (EJB classes, JSP's, Class files, changing various properties and property files)
• Configured and Enabled the Global Security for WAS Administration Console users and Console Groups using Active Directory Server as a LDAP User Registry.
• Involved in Trouble shooting and Performance tuning using Resource analyzer and Log analyzer.
• Hands-on experience in setting up Node Agents, Data Sources, Virtual Hosts, configuring Servlet Engines and Session Managers and managing WebSphere Environmental variablesforData Sourcesand JDBC Driver paths.
• Configured and administered Connection pools, multi connection pools and Data Source for JDBC connections.
• Applied the maintenance fix pack and fixesto WebSphere Application ServerandHTTP servers.
• Involved in Creating Shell Scripts like Automation of Startup and Shutdown Processes and Automated the WAS environment wif wsadmin scripts like Jacl and Jython Scripts.
• Involved in Troubleshooting Admin Server start-up issues, Java code defects after deployment, like class path issues and application properties file errors by checking JVM logs and Plugin-logs.
• Created/Renewed Digital Certificates and configured SSL for WebSphere Application Server, IBM Http Server.
• Provided 24X7 supports to the clients in production support environment.

Environment: IBM WebSphere V7.0/8.x,WebSphere MQV7.0, Sunone Webserver Version 7.0, Wily Introscope 7.25, LDAP, Sun Solaris, Linux, AIX, Sun LDAP.

Confidential - Columbus, OH

WebSphere Administrator

Responsibilities:

• Strong WebSphere Application Server wif expertise in Installation, Configuration, Tuning, and Deploying applications. Experience wif WebSphere Application Server Version 6.x.
• Installed, Configured and Administration of Sun One Web server on both Solaris and Linux Platforms.
• Applied all the latest fix packs to WebSphere Application Server and JDK’s.
• Configured WebSphere resources like JDBC providers, JDBC data sources, connection pooling and tuning it
• Worked wif Wily Introscope to troubleshooting bottlenecks wif Performance. Migrated from Wily 6.0 to 7.25.
• Involved in setup & configuring MQ Server and Client to handle the MQ Message flow.
• Extensive experience working wif IBM in resolving issues and opening up a PMR’s.
• Worked wif scripting languages like JACL and Jython in creating and modifying the scripts for the WAS 6.xenvironment and for administration.
• Configured GC parameters, monitoring the heap sizes by setting verbose GC, fine tuning and fixing memory issues.
• Extensive usage of Microsoft Active Directory Server as LDAP server in setting up of user accounts for non production environments.
• Leads second level technical production support for the organization's online products and services to ensure maximum performance, availability and security.
• Uses DNS, diagnostic and customer simulation tools to maintain, troubleshoot, and/or restore service to theproduction environment. Identifies application and/or hardware/OS problems.
• Reroutes customer traffic around production problems, project implementations and application code updates.
• Provides regular on-call production support requiring quick response and coordination leading to problem resolution or escalation to 3rd level.

Environment: IBM WebSphere V6.1.0.27, WebSphere MQV6.0, Sunone Webserver Version 7.0, NDM (Connect Direct 3.8), Wily Introscope 7.25, LDAP, Sun Solaris, Linux, Windows XP - SP2, Oracle Access Manager, Sun LDAP.

Confidential - Boston, MA

Middleware Administrator

Responsibilities:

• Installed and configured 6.1/6.0 version of WebSphere Application Server, IHS and plug-in in development, staging and production environments.
• Installed and configured the WebSphere Portal server 6.1 and WebSphere Process Server 6.1.
• Installed and Configured IBM HTTP Server on managed and unmanaged nodes, and installed plug-in to route the request to the application server cluster environment.
• Configured Primary Portal node to the external DB2 Database.
• Implemented the Clusters / Server Groups and Cluster Members /clones (Vertical scaling & horizontal scaling) for fail over and distribute the workload on WAS 6.1 and Portal.
• Administered WebSphere Portal applications, which includes configuration, clustering, administration, performance tuning.
• Deployed portlets/ pages, for portal applications.
• Deploying applications to clusters wif Development team in Production environment using Admin GUI
• Assisted in designing and developing the portlets.
• Installed and Configured Jprobe for performance analysis on WAS 6.1.
• Created UNIX shell scripts, JACL scripts which automates the WebSphere Administration using WasAdmin.
• Analyzing System and Error logs for diagnosing problems.
• Analyze Java Core & Heap dumps & raise Tickets wif IBM (PMR).
• Configured J2EE, JAVA2 and Administrative security for the WebSphere Process Server.
• Handled all related tasks in a company.

Environment: WebSphere Application Server 6.1, WebSphere Process Server 6.1,, WebSphere Portal Server 6.0, Windows, IBM AIX, IBM Http server 6.1, IBM Tivoli Directory Server 5.x/6.x, Jprobe, IBM DB2, Oracle10g.

Confidential - Dallas, TX

Websphere Admin 

Responsibilities:

• Installed and configured IBM WebSphere Application Server 5.0, JDBC drivers and Servlets engines on AIX 5.x, Linux and Solaris and also created user roles and groups for securing the resources using local operating system authentication.
• Integrated enterprise-wide J2EE applications and deployment using WebSphere Application Server Application Assembly Tool and managing security policies for different applications.
• Managed connection pooling and registering web applications (Servlets, JSP) on WebSphere.
• Performed migration of some of the applications from WAS 4.xto WAS 5.x.
• Created server groups and clones for WebSphere Application Server v4.0
• Involved in migration of over 50 WebSphere Application Server from v3.5 tov4.0
• Responsible for upgrading Policy server to SiteMinder 4.51 Sp4 CR11 and later on to version 5.5 Sp2 CR8
• Configured JDBC Drivers and data source connection pools on WebSphere application server to connect the J2EE components wif oracle 8i database.
• Created server groups, Model, clones for WebSphere Application Server 3.5
• Involved in creating clusters for the application gained by doing horizontal and vertical cloning.
• Load balancing the application by creating Server Groups / models and clones.
• Installed different WebServers on Solaris servers and configured the communication from webservers and appservers.
• Determining the capacity to the system using stress test on the application and fine tune it.
• Tuning the WebServer by specifying the parameters for the maxclient, startservers and max spareservers. Tuning the servlet engine and database connection pools. Tuning the JVM by specifying the minimum and maximum heap size.
• Create DCE/DFS (distributed file system) for the applications and deploy the application and create the links to the app boxes.
• Involved in trouble shooting the production outages to the application on a 24X7 basis.
• Elevate performance and monitor tools, includes IBM Tivoli Performance and Monitoring tool, BMC tools, etc.
• Tuning the JVM based on the load to the application increases or reduces the JVM Heap size.
• Involved in JAD (Joint Architecture Design) a high level overview of an application

Environment: IBM WebSphere App Server AE 4.0/3.5,AIX 5.X, Sun Solaris 8, Siteminder 4.x/5.x,Oracle 8/7.x and Java 1.3