SUMMARY

• 7 years of IT experience of IBM WebSphere Administration, Sun ONE and IBM IHS, iPlanet Web server and Apache Web server on SUN Solaris 2.8,solaris 9, AIX 5.1/5.2, RedHat Linux9.1 and Windows 2000/2003 Server.
• Expertise in Installing, Configuring, Administering, Tuning, Patching and Troubleshooting in SOA J2EE applications on IBM WebSphere Application Server 6.x/7.x/8.x, Apache Tomcat 6.0, Apache Http Server, IHS & SunOne Web Servers and LDAP.
• Strong experience in Administration and Maintenance of WAS ND clusters (vertical, horizontal, hybrid) and deploying applications in highly available, load balanced production environments.
• Knowledge on SOA Architecture and Web services Technologies.
• Migrated existing applications from Websphere Application Server 5.0 to 6.0, 6.1 to 7.0 and 7.0 to 8.0 on UNIX, Linux and windows platform.
• Familiarity and experience with various procedures and policies required for escalation and outage resolution with Strong documentation skills.
• Sound knowledge in J2EE technologies, JNDI, JMS, JDBC, Servlets, JSP and EJB.
• Excellent working knowledge of Tomcat Application Server, middleware and other Components.
• Experienced in configuration of cells, nodes, application servers, virtual hosts, session management, configuring web server plug - ins, IBM HTTP Server, Apache, Sun ONE Directory Server (LDAP), and IBM Edge Server
• Deploying the applications on clusters, updating the Installed applications and updating Web Server plug-in configuration using administrative console as well as JACL scripts.
• Installing SSL certificates, configuring Single Sign On (thru TAI module of Site minder), configuring Site minder Web Agent to implement Security, and enabling Global Security for the Application Server.
• Analyzed log files to detect and troubleshoot server and application problems. Used the Trace feature to resolve issues.
• Configured Web Sphere resources including JDBC providers, JDBC data sources and Connection Pools.
• Created Self Signed and digital certifications using Ikeyman.
• Installed Fix packs, Cumulative Fixes and Refresh Packs on the Base and ND Versions.
• Used Heap Analyzer and thread Analyzer to tune the WebSphere JVMs.
• Modified Coding Variables to reduce Garbage Collection.
• Ability to pickup new technologies, solve complex technical/runtime problems and multitask between different projects.
• Good at Performance monitoring using Wily Interscope, HP Diagnostics, Resource Analyzer and Tivoli Performance Viewer.
• Used change control tools like Remedy, HP Service Manager.
• Creating PMRs (Problem Management Record) and Coordinating with IBM for problems encountered by Application Teams.
• Provided on-call Production Support (24x7), monitoring and maintaining multiple Applications in Development, TEST, QA, Staging and Production Environments.
• Excellent Communication and Interpersonal skills, ability to lead bridge calls during production issues.

TECHNICAL SKILLS

Application Servers: IBM WebSphere Application Server 5.0/5.1/6.0/6.1/7.0/8.0 , Apache Tomcat

Databases: ORACLE 10g/9i/8i, DB2/UDB 7.2/8.0, SQL Server, MS-Access

Languages and Scripts: Java, J2EE, C, SQL, HTML, DHTML, XML, CSS, JACL, Jython, ANT, TCL, WSCP, wsadmin, Shell scripting, Perl, JavaScript

Web Servers: IIS 4.0/5.0/6.0, IBM HTTP Server, Apache HTTP Server, Sun One/ iPlanet Web Server

Operating Systems: UNIX, Linux, OS/390, AS/400, HP-UX (including Service Guard), Solaris (Including Veritas), IBM AIX (V4.3.3 and 5L V5.1, HACMP) and Windows NT/2000/XP

Network /Protocol: TCP/IP, HTTP/HTTPS, SSH, Telnet, FTP, RMI/IIOP and WAP (WTP/WSP)

Tools: Tivoli Storage Manager, MQ Series, Data Power XI52, XC10, Clear Case (Version Control Software), SSO (Single Sign On), SSH

PROFESSIONAL EXPERIENCE

Confidential, Fort Worth, TX

Websphere Administrator

Responsibilities:

• Installed, configured and administered IBM WebSphere Application Server 7.0/8.0 and IBM HTTP server 7.0/8.0 on AIX/Linux platform.
• Experienced in migrating WebSphere Application Server 7.0 to 8.0.
• Installed EARs, WARs and configured application specific JVM settings, Web container parameters using the Admin Console and wsadmin scripts.
• Installed and configured Apache, Sun One Webserver (iPlanet) and Oracle9i/10g database to work with WebSphere Application Server.
• Installing of HTTP plug-ins for Apache, iPlanet.
• Deploying the applications on clusters, updating the Installed applications and updating Web Server plug-in configuration using administrative console as well as Jacl scripts.
• Managing and Monitoring the JVM performance by WebSphere Heap Size, garbage collection, JDBC Pools.
• Configured WebSphere resources like JDBC providers, JDBC data sources, connection pooling, Implemented creation of Server groups and clusters in WebSphere Application server.
• Worked closely with Java developers to troubleshooting critical Java applications. This includes reviewing application error logs, Java code and making recommend code changes in order to fix critical issues.
• Generating Heap Dump and Thread Dumps during Out of Memory Exception. Analyzing the generated dumps using IBM tools like Heap Analyzer, Thread Analyzer.
• Used LTPA for authentication for enable the global security
• Configured the WebSphere load balancing utilizing WebSphere workload Management including horizontal and vertical topology.
• Responsible for Setting up the DEV, TEST and Staging environments for the ongoing application development.
• Used Tivoli Performance Viewer to monitor WebSphere Applications and tuned the environment accordingly like changing the JVM Heap and Connection Pool sizes.
• Worked extensively in LDAP, SSL, Load Balancing, Firewalls and Database Connection Pooling.
• Creating PMRs (Problem Management Record) and Coordinating with IBM for problems encountered by Application Teams.
• Assembled and Deployed the application in staging, in productions, following change management practices and 24/7 support, worked in shifts.
• Involved in documentation of everyday activities.

Environment: IBM WebSphere Application Server 7.x/8.x, Apache Tomcat, IBM DB2, AIX, Sun Solaris, Linux, IHS Web Server 7.0/8.0, Tivoli Performance Viewer, Tivoli Performance viewer, Oracle 10g, DB2

Confidential, Fort Worth, TX

System Admin

Responsibilities:

• Installed and configured IBM Http Server6.1/7.0, WebSphere Application Server Network Deployment (ND) 7.0 on AIX/Windows platform.
• Installed the refresh Packs and Cumulative fixes to WebSphere ND v7.0 environment for Websphere, plugins and IHS.
• Created and Configured Profiles, Nodes, Node Groups & Clusters for WebSphere Application Server.
• Installed and configured IBM http server 7.0 and IIS 6.0 web server.
• Configured Web server plug-in to directing dynamic requests to application servers for load balance in clustered environment.
• Deployed the applications in staging, in productions following change management practices both from the command line using Wsadmin commands and from the admin console.
• Migrated existing applications from Websphere Application Server 6.1 to 7.0 on Linux platform.
• Managed IIS 6.0 Web server and hosted web sites.
• Planning and configuring new internal & external websites.
• Worked on web server optimization and performance.
• Root cause analysis and fixing the Windows / IIS Web Server Related issues.
• Involved in enabling WebSphere global security using Local OS and LDAP/LTPA mechanism, SSL configuration and Ordering digital certs for Pre-prod and Prod environments.
• Configured admin console security on WebSphere and creating users with various roles to access the WebSphere admin console - users and groups in LDAP and added them as WebSphere Console Groups.
• Responsible for Implementation and periodic testing and support of Web Environments with respect to High Availability and Disaster Recovery.
• Coordinated the Disaster Recovery test and worked with the application teams and the vendor in troubleshooting.
• Involved in issues like Application not responding. Application Deployment Errors, Wrong Database host name, Server Hung due to out of memory or thread hanging, Owner ship issue.
• Analyzed log files to detect and troubleshoot server and application problems. Used the Trace feature to resolve issues.
• Troubleshooting Admin Server start-up issues, Java code defects after deployment, and classpath issues by checking the JVM logs, plug-in logs and the web server logs.

Environment: IBM WebSphere application Server ND 6.1/7.0, IBM HTTP Server 6.1/7.0, IIS web server 6.0, LDAP, Java, J2EE, JSP, Servlets, EJB, JDBC, ORACLE 8i/9i/10g, DB2 V7.1/8.1, HTML, Linux, AIX 5.3/5.2,Windows 2003,solaris 9/10, HP Service Manager, Repliweb tool.

Confidential, Bloomington, IL

Websphere Administrator

Responsibilities:

• Responsible for configuring, Maintaining and troubleshooting the Websphere Application Server 6.0/6.1 environment and IBM HTTP server 6.1/7.0, Apache Tomcat 6.0 on AIX and Linux platforms.
• Worked as a WebSphere Administrator and implementing solutions for Customer Satisfaction and Monitor applications.
• Build, deploy, and administer applications in WAS and Webserver environments.
• Installed and Configured IBM Websphere Application Server, JDBC Drivers and Servlet Engines along with troubleshooting and recovery on AIX, Solaris and Windows.
• Set-up security permissions in Websphere environments to authenticate against LDAP servers to access Websphere consoles and secure it using SSL.
• Configured database resources like JDBC Providers, Data sources, and security resources like JAAS authentication (J2C) aliases in order to provide connectivity to Oracle, DB2.
• Expertise in Configuring IBM Workspace Web Content Management 6.0.
• Used Tivoli Performance Viewer (TPV) and HP Diagnostics to identify performance bottlenecks including application memory leaks, server process degradation, database connections, http threads, etc.
• Tune databases resource configurations including connection pooling, timeouts, etc.
• Troubleshoot problems with Websphere websites in all environments including Production using knowledge of the end-to-end architecture, log files (IHS plug-in and Websphere log files).
• Responsible for research and implementation of latest software and fix packs for Websphere Application Servers and some development tools.
• Working on high priority, critical tickets in pre-production environments to determine investigate diagnose and find out the root cause of the issues.
• Generated & Propagated plugin-cfg for web servers and troubleshooted plug-in regeneration problems.
• Performed routine management of WebSphere Environment like monitoring Disk Space, CPU Utilization and resolved dynamic cache problems.
• Strictly followed the change control procedures for production environment changes.
• Worked with different teams (Application, Database, Networking, UNIX teams) in investigating the root cause of the issues and finding out the permanent fix to the issues.
• Used SharePoint document libraries and lists for document management and for intranet activities.
• Responsible for identify source and severity of problems include debugging and diagnosing issues and directing them to the proper client support team and transfer resolution knowledge to other technicians who are having assigned ticket.
• Created IBM PMRs and worked closely with IBM for resolving multiple issues.
• On-call support (24x7), Monitoring and maintaining multiple Applications running on IBM WebSphere Application.

Environment: IBM WebSphere application Server 6.0/6.1, IBM HTTP Server 6.1/7.0, HP Diagnostics, LDAP, Java, J2EE, JSP, Servlets, EJB, JDBC, ORACLE 8i/9i/10g, DB2 V7.1/8.1, HTML, Linux, AIX 5.3/5.2, HP Service Manager, Splunk.

Confidential, Chicago, IL

Middleware Administrator

Responsibilities:

• Installed, configured and administered IBM WebSphere Application Server 7.0 on AIX/Linux platform.
• Configured resources for JDBC, J2C, and JMS based on the application requirements and configured Message Listener Ports for an application, which uses MDBs to trigger the queues
• Worked closely with developers to define and configure application Servers, Virtual Hosts, Web Applications, Web resources, Servlets, JDBC drivers and Servlet Engines-as well as deployment of EJBs across multiple instances of WebSphere.
• Extensively involved in migrating the J2EE Applications, which includes setting up new Research, Dev, Test, Pre-Production and Production Environments from Websphere Application Server 6.1 to WebSphere Application Server 7.0
• Enabled WebSphere global security using Local OS and LDAP/LTPA mechanisms.
• Configured WebSphere Deployment Manager and Application Server profiles in clustered environment to utilize the advantages of failover and load balancing in multi-node environment.
• Apache Tomcat Complete admin experience starting from creating new server instances, application deployment, configuration changes and overall support and maintenance.
• Responsible for support and reliable maintenance of the applications on different platforms for on-going application development.
• Performed routine management of WebSphere Environment like monitoring Disk Space, CPU Utilization and resolved dynamic cache problems.
• Troubleshooting Admin Server start-up issues, Java code defects after deployment, and classpath issues by checking the JVM logs, plug-in logs and the web server logs.
• Expertise in enabling SSL Certificates at the IHS and Application Server using Ikeyman tool and gsk7cmd.
• Configuring Class Loaders and Shared libraries depending on the application.
• Worked closely with IBM for resolving multiple issues.
• Configured WebSphere resources including JDBC providers, JDBC data sources and Connection Pools.
• Ability to pickup new technologies, solve complex technical/runtime problems and multitask between different projects.
• Worked on troubleshooting applications using logs, traces, Log Analyzer and Tivoli Performance Viewer.
• On call, 24x7 production support and maintenance of IBM Websphere Application Server.

Environment: IBM WebSphere Application Server 6.x/7.x, Apache Tomcat, IBM DB2, AIX, Sun Solaris, Sun ONE Directory Server 5.1, IHS Web Server 6.1, Tivoli Performance Viewer, Wily Introscope 7.x, Oracle 10g, Sybase, DB2.

Confidential, Stamford, CT

Web Administrator

Responsibilities:

• Installed, configured and administered IBM WebSphere Application Server 6.0/6.1/7.0, IBM HTTP Server AIX, Solaris, Linux& WINDOWS NT/2000 platforms.
• Configured WebSphere Deployment Manager and Application Server profiles in clustered environment to utilize the advantages of failover and load balancing in multi-node environment.
• Experience in Installing, Configuring and Administering Web Servers like IBM HTTP Server 1.3.2/2.0.x/6.x, Apache HTTP server 2.x.
• Worked on Generating and deploying server plug-ins for IBM HTTP Server.
• Experience of WebSphere Application server implementation, fail-over support, workload management (WLM) using cloning and clustering techniques including Horizontal and Vertical Clustering for failover and backup/recovery processes for high availability, performance tuning, Web server setup, on IBM HTTP Server 5.1/6.0/6.1/7.0 (Apache 1.3.x/2.x).
• WLST scripting for deployment, domain build/configuration and monitoring
• Configure monitoring using site scope and introscope.
• Worked on Splunk Tool for analyzing and troubleshooting the Server Logs.
• Configured Connection Factory and Distributed Queue as JMS system resources.
• Configured Node manager to remotely administer Managed servers.
• Created, Configured Profiles, Nodes, Node Groups & Clusters for WebSphere Application Server.
• Migrated J2EE Applications, which includes setting up new Development, QA, and Production Environments from WebSphere Application Server 6.1 to 7.0/6.0 to 6.1.
• Used Tivoli Performance Viewer and ITCAM to monitor the performance.
• Used Heap Analyzer and Thread Analyzer to tune the WebSphere JVMs.
• Tuned the JVMs by analyzing the must gather information for Application Server Hangs.
• Troubleshooting Admin Server start-up issues, Java code defects after deployment, and classpath issues by checking the JVM logs, plug-in logs and the web server logs.
• Responsible for support and reliable maintenance of the applications on different platforms for on-going application development.
• Created IBM PMRs and worked closely with IBM for resolving multiple issues.

Environment: IBM WebSphere Application Server 6.x/7.x, IBM DB2, AIX, Sun Solaris, Sun ONE Directory Server 5.1, IHS Web Server 6.1, Tivoli Performance Viewer, Wily Introscope 7.x, Oracle 10g, Sybase, DB2.

Confidential, MO

Websphere Engineer

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.
• 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.
• 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.
• 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.

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

Developer/Analyst

Responsibilities:

• Involved in the full life cycle implementation of the project including analysis, design, and development.
• Involved in the project during development, testing and implementation.
• Understanding the system requirements: Interacted with the end users to understand their requirements and expectations from the system being developed.
• From the clients input, prepared a Software Requirement Specification (SRS) document.
• Deployed Applications in WebSphere Application Server.
• Coded Servlets and JSP to process requests.
• Wrote Action classes and Form beans for Model that calls a Java business Object (EJB) and generate results.
• Wrote Custom tags using Tag Library Descriptor (TLD).
• Data stored and retrieved in Oracle 8.0 database.

Environment: Java, J2EE, Servlets, JSP, Custom Tags, EJB, XML, JDBC, Java Script, HTML, Oracle 8.0, Windows NT, Sun Solaris, UML and WebSphere application server 5