SUMMARY

• A Professional with Seven years of IT experience in installation and maintenance of IBM WebSphere Application Server and WebSphere Extended Deployment, on AIX, Solaris, Linux and Windows platforms.
• Administered IBM WebSphere Application server v8.x/7.x/6.x/5.x on multiple platforms like AIX, Sun Solaris, Linux, Windows 2000/03/NT.
• Experienced in Secured Socket Layer (SSL) configuration, creating self - signed certificates, generating certificate requests, Import/Export certificates and creating key databases.
• Implemented Workload Management (WLM) methodology and fail over mechanisms including horizontal and vertical clustering, HTTP server fail over, Deployment Manager and Node agent fail over.
• Implemented clustering in WebSphere Application Server 6.1/7.0 using horizontal and vertical clustering to provide scalable and highly available Web Sphere environment.
• Proficient in developing Scripts using Jython, JACL, and ANT to automate WAS administration and deployment tasks such as JVM configuration, J2EE application deployment, ear/war installation, and backups.
• Expertise in working with logs, trace and messages using tools such as Log Analyzer, Resource Analyzer and Admin Console.
• Experience in deploying, maintaining and troubleshooting of applications and portlets in highly available, load balanced production environments.
• Experience in installing and creating Virtual Portals and assigning user populations.
• Expertise in using BMC Application Release Automation Tool, BMC BladeLogic, IBM Rational Clearcase.
• Experienced in migrating the applications from WebSphere 6.x to WebSphere 6.1.x.
• Configured database resources like JDBC Providers, Data sources, and security resources like JAAS authentication (J2C) aliases in order to provide connectivity to Oracle, DB2 databases.
• Implementation of Identity Management, LDAP Directories, Single Sign-On (SSO), Access management, Role-Based Access Control, Authentication and Authorization technologies.
• Have vast experience in JDK tools like jstack, jconsole, jmap and jhat.
• Extensive knowledge of UNIX Shell Programming, WLST and familiar with Auto Deployment Process besides writing automated scriptsExperience in developing Shell scripts to automate daily backups, log archival and other automation processes.
• Installed WebSphere Application Server 6.1 XD on Linux and created dynamic clusters and configured ODRs. Applied iFixes on ODR.
• Troubleshooting Admin Server start-up issues, Java code defects after deployment and class path issues by checking the JVM logs, plug-in logs and the web server logs.
• Experience in using GC Collector and analyzed GC verbose logs to monitor and assess the JVM runtime Heap usage.
• Experienced in Configuring of JDBC Providers, JDBC data sources, connection pool, Virtual Hosting, JNDI, Global Security, SSL, SSO, and Open SSH, Open SSL, LDAP.
• Experienced in Web Security, Open SSL, SSO, SOAP, SAML 1.1 and Monitoring Tools. Packet traces using Ethereal/Wireshark or equivalent TCP/IP troubleshooting.
• Familiarity with network protocols and applications involving TCP/IP, NFS, DFS, SNMP, SMTP, POP, Telnet, Rlogin, SSH, FTP, HTTP, DNS.
• Recent experience includes hands on expertise in Single Sign-On domain using Tivoli Access Manager, Site Minder, Identity Management and LDAP.
• Expertise in supporting enterprise based distributed applications over a wide range of production environments on a 24/7 on-call rotation basis for high volume, secure transactions and Web services.

TECHNICAL SKILLS

Operating Systems: IBM AIX 4.3/5.x, Linux 5.x,6.x, Sun Solaris 7.x/8.x, Win NT/2000, HP-UX.

Languages: C, C++, Java, JavaScript, HTML, JAVA, VRML 2.0, SQL, MySQL, PL/SQL

Web Technologies: JSP, Servlets, EJB, RMI, JAAS, JMS, XML, XSLT.

Tools: Resource Analyzer, Log Analyzer.

RDBMS: Oracle 10g, MS SQL Server2000, DB2

Applicaton Servers: WebSphere Application Server 5.x/6.x/7.x/8.x.

WebServers: Apache, IBM HTTP Server, Sun One WebServer.

Networking: HTTP, TCP/IP, SNA, DNS, LAN, WAN, SSH, DHCP, SMTP, POP3, IMAP, LDAP, Samba, VPN solutions, MS Proxy Server 2.0.

Scripting Languages: Shell Scripting, Perl, Jacl, Jython

PROFESSIONAL EXPERIENCE

Confidential

WebSphere Administrator

Responsibilities:

• Installed and configured WebSphere Application Server 7.x/8.x on UNIX Platforms and used Update Installer to update with fixpacks.
• Maintained WebSphere Application Servers on different UNIX (AIX, Solaris, Linux) platforms, development, testing and staging environments for on-going application development.
• Implemented creation of Server groups and clusters in WebSphere Application server and cloning of servers and provided extensive support in deployment, change management and application level troubleshooting for the Dev, Test, Pre-Prod & Production environment.
• Highly experienced in administering Unix/Linux Shell scripts to monitor installed J2EE applications and to get information from the logs and database in the required format and other daily activities.
• Installed and configured both IBM HTTP Server 6.x and iPlanet Web Servers, plugins, configured the web-server interfaces (plugin file), session management, virtual hosts, Data Sources, HTTP transports for Application Server instances and applications.
• Experience in configuring SSL for web servers, requesting and installing secure certificates, enabling global security using LDAP registry and single sign on.
• Managed the security and performance optimizations for EJB containers and Web applications in IBM WebSphere, IHS and Apache WebServer.
• Configured the Global Security on WebSphere using IBM Directory Server and created Users and Groups, assigned different authorization roles for each user and secured the admin console.
• Migrated existing applications from WAS 7.x to 8.x using WAS pre-upgrade and WAS post-upgrade tools on Sun Solaris, Aix.
• Worked on troubleshooting Java applications using WAS logs, traces, Log Analyzer, Resource Analyzer/Tivoli Performance Viewer. Used Wily Introscope extensively to determine application bottlenecks to dig-out which modules are consuming excessive resources.
• Worked on problem tickets (PMRs) with IBM to find effective solutions to various problems and performance issues. Worked on WebSphere system related system work (patches, fixes).
• Good Hands on Experience in creating and configuring the horizontal-vertical clustering, Workload Management (WLM) and Session persistence.
• Configured WebSphere resources like JDBC providers, JDBC data sources and connection pooling and tuning it and monitoring it using Tivoli Performance Viewer by enabling PMI.
• Automate application install, uninstall and application enhancements through Shell scripts and wsadmin scripts.
• Involved in developing JACL, Jython, ANT and Shell scripts to administer and automate batch job scheduling including backup and recovery processes.
• Coordinated with various teams like Development, OS, Middleware group (WebSphere MQ Group), SAN, Database and Networking to Deploy the J2EE Applications in Development, QA, Staging and Production Environments.
• On-call production support (24X7) and troubleshooting problems related to Web Servers, WebSphere Application Server, Plug-ins, and Database.

Environment: IBM WebSphere Application Server 6.x/7.x/8.x, IBM DB2, Linux, 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, Santa Ana, CA

WebSphere Administrator

Responsibilities:

• Installed, configured, administered WebSphere Application Server ND on AIX for multiple high profile projects
• Administered, configured, tuned, and troubleshot WebSphere in a clustered environment
• Configured the web-server interfaces (plugin file), session management, virtual hosts, datasources, HTTP transports for Application Server instances and applications.
• Upgraded WebSphere ND 6.x and 7.x with refresh packs and fix packs, migrated the applications on WebSphere 6.0 to 7.0.
• Separated the static content from the dynamic content for better application security and performance
• Configured WebSphere resources like JDBC providers, JDBC data sources, connection pooling.
• Implemented creation of Servers and cluster groups in Websphere Application server
• Supported the whole environment configuration and also applications deployed.
• Tuning the JVM based on performance testing /monitored the results on Wily.
• Investigated, troubleshot and resolved application and configuration issues.
• Wrote Unix Shell scripts to monitor installed enterprise applications and to get information from the logs and database in the required format and other daily activities and jobs
• Used WebSphere Admin Console and wsadmin/JACL/Jython scripting to install enterprise EAR, WAR files or for hot deployment.
• Created new groups and added users to those groups in LDAP for different environments.
• Provided different levels of access to different users in the Admin console as per the request.
• Troubleshoot various problems at QA, Staging and Production phases
• Monitored Applications and WAS performance through Tivoli Performance Viewer and tuned the system - caching, queuing, JVM parameters, DB Connection Pooling
• Applied fixpacks and JDK patches to WebSphere in different environments.
• Experience in using Log Analyzer and Thread Analyzer tools to analyze service logs and javacore files.
• Knowledge of Java Servlets, JSP, EJB development and deployment concepts and database skills
• Performed Application-data backup & recovery, local backup/restoration of the WebSphere Environment - configurations and applications
• Performed daily housekeeping functions, such as establishing new accounts, creating and resetting passwords, developing scripts, performing system backups and recovery, and installing software patches and updates.
• Managed shared NFS files system, mounting and unmounting NFS server, NFS client on remote machine, sharing remote file folder, starting and stopping the NFS services.
• Developed Cron jobs and Shell Scripts (tk, Jython, Perl, ksh) for automating administration tasks like file system management, process management, backup and restore.
• Extensive hands on WebSphere Administration using command line tools like wsadmin, dump Namespace (for JNDI)
• On-call Production Support (24x7)

Environment: IBM WebSphere Application Server 5.x,6.x,7.x, IBM DB2, AIX 5.1/5.2, SunSolaris 10/9/8,Sun ONE Directory Server 5.1, IHS webserver 2.0/2.1/6.1, Tivoli Performance Viewer, Willy Introscope 7.x, Oracle 10g, Sybase, DB2.

Confidential, Auburn Hills, MI

WebSphere Administrator

Responsibilities:

• Responsible for installation, configuration, administration, support, and performance tuning of the application server platform with WASND v6.0/6.1 running under AIX 5.x, Solaris and Linux environments.
• Installed and configured multiple Web Servers using IBM HTTP Server v6.1 and integrating Webservers, application server using plug-in file.
• Configured and monitored WebSphere Application Server in clustered and non-clustered environment.
• Created and federated profiles to the Deployment Manager using both Profile Management tool and also automated the process using manage profiles and addNode command.
• Recommended and used hybrid clustering (horizontal and vertical) to make use of efficient resources on a single system and to provide for hardware failover and load-balancing.
• Configured WebSphere resources such as JDBC Providers, Data Sources and Connection Pooling and administered performance tuning and monitoring it using Tivoli Performance Viewer by enabling PMI.
• Configured Clustering EJB objects, JDBC connections and JMS connection factories.
• Involved in trouble shooting and performance tuning using Resource Analyzer and Log Analyzer.
• Configured Single Sign on (SSO) for authentication and authorization.
• Worked with WebSphere Extended Deployment (WAS /XD) and implemented the Virtualization capabilities that can dynamically match available resources to changing workload demands.
• Troubleshooting issues on the various environments involving in integrations of WebSphere Application Server, IBM HTTP Server.
• Configured global security on WebSphere Application server using IBM Directory Server.
• Installed SSL certificates on the Web Servers, and WebSphere application server using ikeyman tool.
• Configured Relational Databases such as Oracle, DB2 and SQL Server with Application Server.
• Extensive experience in working at 24x7 Support.

Environment: WebSphere Application Server Network Deployment 6.x, IHS Web Server v6.1, DB2, Oracle 9i, LDAP(Sun One directory server v5.x), HP-UX, AIX 5.x.

Confidential, New York, NY

WebSphere Administrator

Responsibilities:

• Administered, configured, tuned, and troubleshooting WebSphere in a clustered environment on LINUX.
• Installed WebSphere Application Server V6.0, V6.1 and configured it on AIX 5.1 and Red Hat Linux 3.x platforms.
• Configured the Work Load Management in the Network Deployment environment to distribute the load evenly across all the nodes.
• Responsible for deploying enterprise applications from Admin console and enabling security using LTPA and LDAP for admin console and application components on LINUX.
• Installed IBM HTTP server 6.0 and configured SSL certificates for all secure sites using ikeyman tool.
• Configured the web-server interfaces (plug-in file), session management, virtual hosts, Data sources, HTTP transports for Application Server Instances and Applications.
• Implemented a Migration from WebSphere Application Serve Base to Network Deployment as well as a 5.0 to 5.1 upgrade.
• Providing Mentoring and Guidance to team members on WebSphere XD and Other new releases.
• Written Shell scripts to monitor installed enterprise applications and to get information from the logs and Database in the required format and other daily activities and jobs.
• Used WebSphere Admin Console and wsadmin/JACL/perl scripting to install enterprise EAR, WAR files or for hot deployment.
• Applied fix packs and cumulative fix packs on top of the installed versions of the WebSphere Application Server (6.0 and 6.1).
• Troubleshooting Application & JVM errors and configured tuned JVM for optimum performance.
• Used garbage collection to evaluate application performance health and detected the presence of memory leaks.
• Used Tivoli Performance Viewer to monitor performance data like application resources (enterprise beans, Servlets, JSP’s) and WAS runtime resource (JVM heap size, jvm thread pools, and database connection pools).
• Provided 24x7 on-calls Production Support on rotation basis.

Environment: IBM WebSphere Application Server 5.x/ 6.x, IBM DB2,Oracle 9.i, LINUX, AIX,Sun ONE Directory Server 5.1, Tivoli, Sun ONE web server 6.1, Netegrity Site minder Policy Server 6.0 .

Confidential

WebSphere Administrator

Responsibilities:

• Installed, configured and administration of WebSphere Application Server 5.1 Network Deployment on Windows and Sun Solaris Servers.
• Installed, configured and administration of IBM HTTP Server.
• Configured JDBC Providers, Data Source, Virtual Hosting, Global Security and SSL.
• Configured WebSphere Application Server resources like JDBC Providers, JDBC Data Sources and Connection Pooling to connect to Oracle.
• Configuring WebSphere Application Server on multiple platforms for both horizontal and vertical scaling for Work Load Management.
• Collection of JVM statistics, garbage collection data for monitoring the heap and physical memory.
• Deployed EJB components that are run in IBM WebSphere 5.1 Application Server in UNIX on SUN Solaris environment.
• Recommended and used hybrid clustering (horizontal and vertical) to make use of efficient resources on a single system and to provide for hardware failover and load-balancing.
• Configured Session Persistence using Oracle Database.
• Analyzing Activity log files and diagnosing Application Server problems.
• Involved in backup and recovery of WebSphere configuration using backupConfig and restoreConfig tools.
• Installed fix packs to overcome Application server problems.
• Involved in managing releases of products from development to QA to Pre-Production and Production.
• Deployed J2EE Application in WebSphere managed servers.
• Assembled and Deployed the application in staging and in productions following change management practices and 24/7 support, worked in shifts.

Environment: IBM WebSphere Application Server 5.1, IBM HTTP Server, AIX 4.3.3, Solaris 7, Oracle 7.3, Windows 2003.