We provide IT Staff Augmentation Services!

Sr. Websphere Administrator Resume

PA

Synopsis:

  • Over 7 years of extensive experience in Websphere application server administration including installation and configuration. Installed, configured, administered and monitored WebSphere Application Server 5.1/6.0/6.1/7.0, Web Servers (IHS 6.0/6.1, IIS, and Apache).
  • Experience in creating, configuring and administrating profiles, clusters, nodes, node agents and node groups for WebSphere Application Server.
  • Installed, Configured and supported Websphere portal 6.x
  • Skilful in administrating IBM WAS on various operating systems like SUN Solaris, AIX, Redhat.
  • Linux 7.1 with kernel 2.2.14 and Window 2000 Advance Server.
  • Experience in tools like WSadmin and Tivoli.
  • Command over shell scripting in automating various jobs.
  • Expertise in administrating and maintaining both production and development environments.
  • Proficient in deployment process and Migrating to staging areas.
  • Skilful in installing upgrade Fix packs and Migrating to latest versions.
  • Experience in installing, configuring and administrating Web servers such as IBM HTTP server, Apache, IIS and iplanet.
  • Proficient in performance tuning, Load balancing and scalability testing (WLM)
  • Experience in Configuration of LDAP using Tivoli Directory Server, SunOne Directory, and ADAM.
  • Good at trouble shooting using Traces, Logs and Log Analyzer.
  • Good knowledge in Relational Databases including Oracle 8i/9i, DB2 UDB 7.2 using all types of JDBC drivers.
  • Good knowledge in J2EE 1.3/1.4, HTTP, XML, Java 2.0, Servlets, EJB and JSP.
  • Knowledge in changing and defect tracking tools such as Rational ClearQuest.
  • Worked on UNIX shell scripts for log rotation, init scripts for websphere and Webserver processes, cronjobs and shell wrappers for wsadmin scripts.
  • Expertise in deployment of portlets, themes and skins in IBM WebSphere Portal.
  • Installed, Configured and supported Websphere portal 7.1 and 6.x.
  • Deployed Portlets using IBM portlet API.
  • Configured JDBC data sources in websphere portal.
  • Setting up environment for application packaging and deploying Enterprise Application Archive (EAR), Web Application Archive (WAR) in WebSphere on Development, QA, UAT and production environments.
  • Developed shell scripts, JACL, Jython and ANT scripts to automate the WebSphere Administration (recycling the application server, deploying customer applications, logs rotation, monitor applications state)
  • Configured JDBC providers, Data sources, connection pool etc, for Oracle, DB2. Involved in troubleshooting many database issues and worked with DBA to fixing those issues.
  • Embedded Wily Introscope profiles to WebSphere Application Server 6.0 JVM for performance monitoring.
  • Experienced in working in a demanding 24x7 production environment.
  • Strong communication skills and interpersonal skills.
  • Excellent analytical skills and problem solving skills.

TECHNICAL SKILLS

Operation Systems Solaris 2x, IBM AIX4.3, 5.1,5.3,HP UNIX11i, Linux, Windows 95/98, Windows NT Server 4.0, Windows 2000
Languages C, C++, Java, SQL
Web Technologies Servlets 2.0, JSP 1.0, EJB 1.1, JavaScript 1.1, HTML
Web Servers Apache, IBM HTTP Servers 1.3.26, IIS, iPlanet
Application Servers WebSphere 4.0/5.X/6.X/7.X, WebSphere Business Integration Server.
WebSphere portal Server 7.1,6.x.
Protocols TCP/IP, HTTP, FTP, HTTPS, RMI/IIOP and SOAP
Monitoring Tools Tivoli Performance Viewer, Resource Analyzer, Log Analyzer, Site Analyzer, JProbe, Big Brother, SiteScope, Topaz
Others UNIX Scripting, Perl 5.6, SSH, Rational ClearCase

EDUCATION : Bachelor of Technology JNTU, INDIA

PROFESSIONAL EXPERIENCE

Client: Confidential, PA Jun 2010- Till date
Sr. WebSphere Administrator

Responsibilities:

  • Installation, Configuration, tuning of WebSphere Application server version 7.x
  • Familiar with wasConfig, wasDeploy, wasScan and wasNotifytools, preparing properties to configure the environments and deployments.
  • Worked on AMT tool, for setting up deployments, JVM restarts and accessing logs.
  • Familiar with Linux cluster to run same commands over number of server at the same time.
  • Configured lazy start for XD and Created node groups and core groups on XD and added the members to it.
  • Involved in migration of the applications from websphere 5.1 to 6.1 and worked closely with development team. Applied Refresh packs, fix packs and cumulative fixes for websphere, IHS and plugins. Involved in capacity planning, implementation of Websphere 6.1.
  • Applied EJB and Webservice feature packs for 6.1.
  • SSL configuration, ordering digital certs, creating key database using ikeyman and keytool tools, import/export certs for dev and test environments.
  • Creating profiles for deployment manager and node agents in version 7.0/6.1.
  • Applying fixpacks for application server to upgrade it to 6.1.
  • Worked on Vertical clustering methods providing fail over, effective load balance scenarios and efficient utilization of system resources. Worked closely with other teams providing Webserver load balancing mechanisms with BigIP.
  • Installation, Configuration and Administration of IBM Http Server 6.1 on AIX.
  • Applied fixpacks on both base and network deployment servers to upgrade.
  • WebSphere environment to the latest level (stable fix)
  • Configured Data Source for Oracle 10g.
  • Configured Virtual hosts for host aliases for each cluster member.
  • Deployed (implemented) the J2EE Applications in clustered environments.
  • Enabled Wily Introscope to monitor the performance of the application server mainly thread pools, connection pools and memory leaks.
  • Enabled Global Security by configuring with LDAP user registry.
  • Configured LTPA authentication mechanism for Single Sign-on.
  • Installed IBM Http Server 6.1 and configured.
  • Installed SSL certificates for web servers and Web sphere.
  • Used Ikeyman to order CA certificates and created kdb, jks, and P12 files for SSL communication.
  • Worked with developers to troubleshoot the issues with applications.
  • Set up AMT (Application Management Tool) for the developer to deploy the applications and view the logs.
  • Expertise in deployment of portlets, themes and skins in IBM WebSphere Portal
  • Installed, Configured and supported Websphere portal 7.1.
  • Configured JDBC data sources in WebSphere portal.
  • Deployed portlets using IBM portlet API.
  • Created websphere variables to customize the location of the logs for JVMs and applications.
  • Configured Queues and Queue connection factories the default JMS messaging provider.
  • Installed Websphere with Business integration server 5.1 and applied fix packs.
  • Worked on Unix shell scripts for log rotation, init scripts for websphere and WebServer processes, cronjobs, and shell wrappers for wsadmin scripts
  • Involved in Tuning of Application Servers by Wily Introscope, installed the agents to collect the metrics
  • Used Introscope in Heap size, Garbage collection analysis, memory leaks and troubleshooting deadlocks
  • Active involvement in monitoring server performance, network traffic to reduce performance bottleneck.
  • 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 6.1.0.15 with EJB and Webservices, Websphere portal 7.1,WBI 5.1, IBM Http Server 6.1, IPlanet 6.1, Wily Introscope 7.2/7.1, AIX 5.3, Solaris 10, Red Hat Linux AS release 3(kernel 2.4.21), Oracle 10g, Siteminder, WebSphere Application Server 5.1, JACL, Jython Perl, Interwoven, BigIP.

Client: Confidential, CA July 2008- May 2010
WebSphere Admin

Responsibilities:

  • Responsible for Installation, Configuration and Maintenance of J2EE applications Websphere Application Server 5.x/6.x and HTTP Server in a multi clustered high availability environments like UNIX and Linux operating systems.
  • Responsible for installation, configuration, tuning, security, backup, recovery and upgrade of WebSphere Application Server in clustered environment on UNIX systems.
  • Implemented horizontal and vertical clustering, Work Load Management (WLM) to make the application highly available.
  • Managed the security and performance optimizations for EJB containers and web applications in IBM WebSphere, IBM HTTP Server and Apache Web server.
  • Involved in configuring the WebSphere load balancing utilizing WebSphere Workload Management including horizontal scaling and vertical scaling.
  • Provided technical assistance for Web Hosting team on various Application servers an Web Servers including IBM HTTP Server, Apache Web Server.
  • Monitoring all Servers, shutdown and startup, Network Support and Troubleshooting.
  • Fine-tuning of Application Servers for different load requirements.
  • Monitored the performance of Enterprise Applications using Tivoli Performance Viewer.
  • Performance monitoring and tuning database connection pools, thread pools, JVM Heap Size to required sizes using admin console.
  • Performed tuning of WebSphere Application Server and IBM HTTP server for optimal performance based upon user load
  • Experienced in troubleshooting various areas of Websphere Application Server(start to finish)
  • Analyzed system faults, troubleshoots, and runs diagnostic tests on operating systems and hardware to detect problems.
  • Deployed Enterprise Applications and carried out modification and reconfiguration of deployed applications in a company.
  • Managed the security of application by using different processes.
  • Deployed application tuned for performance and workload management.
  • Involved in troubleshooting and performance tuning using Resource Analyzer and Log Analyzer, Tivoli Performance Viewer.
  • Involved in configuration of Websphere Portal Server 6.1
  • Created an LDAP Realm on Application server using SunOne Directory LDAP.nted all procedures and any other important issues and provided 24x7 on-call support of middleware applications as part of rotating team coverage.
  • Installed portlet using the portal administration page usingWeb Modulesportlet.
  • Installed, Configured and supported Websphere portal 6.x.
  • Installed and administered WebSphere Application Server V6 and WebSphere Portal V5.1 on Solaris.

Environment: Redhat Linux 7.2, Redhat Linux AS 2.1, 3.1, AIX5.3, WebSphere 6.0.2.5, WebSphere 5.0.2.16, IDS 5.1(LDAP), DB2 8.1 (I Series AS400), Oracle 9, IBM HTTP Server 1.3, WebSphere Portal Server 6.1

Client: Confidential, Dallas, TXFeb 2007-Jun2008
Websphere-Admin

Responsibilities:

  • Involved in evaluating IBM Edge Server and Network Dispatchers for load balancing.
  • Configured WebSphere Workload Management (WLM) using horizontal and vertical scaling of WebSphere through a mechanism called as "Clustering of multiple JVMs" with independent Java Virtual Machine (JVM), for each clone.
  • Installed Fix Packs, cumulative fixes on Application Server, JDK, Web Server and Plug-ins.
  • Involved in trouble shooting and Performance tuning using Resource analyzer and log analyzer.
  • Deployed the EAR files and scripting automated deployment of the applications.
  • Supported WebSphere Application Server clustering, load balance and failover.
  • Involved in transitioning J2EE applications from quality assurance to production environment on SunSolaris, AIX and WinNT environments.
  • Involved in writing shell scripts to accomplish various tasks including performance monitoring of the WebSphere app server.
  • Configured the web server interfaces, session management, virtual hosts and transports for WebSphere.
  • Effectively interacted with the users on a daily basis, decreasing downtime and increasing user productivity.
  • Managing Cronjobs, batch processing and job scheduling.
  • Involved in problem resolution and Root Cause Analysis of numerous issues.
  • 24X7 on-call production support and troubleshooting problems related to WebSphere Application Server.

Environment: IBM WebSphere Application Server 6.0, 5.1, 5.0, IBM HTTP Server 1.3.x/ 2.0.x, DB2 7.1/8.1, Oracle 8.1/9i, AIX 5.1/5.3, z/OS

Client: Confidential, INDIAJan 2005-Dec2006
WebSphere-Admin

Responsibilities:

  • Installation, Configuration and Maintenance of WAS 5.0.2, WBIS, IBM IHS 2.0
  • Created new Application Servers and clustered them in an environment
  • Installed/Deployed Enterprise J2EE applications in the shared WAS environment
  • Setup of the new Application work area. Created deployment scripts for the new applications
  • Created and managed the connection pools for Data sources of applications involving DB2, Oracle
  • Applied fix packs and upgraded WAS5 and WAS symptom Databases
  • Monitored and Troubleshot the App Servers for errors
  • Escalating Issues with IBM involving WAS 5.0.2 ND Version, DB2
  • Installation and setup of performance monitoring tool JProbe 5.0
  • Integrated and ran test runs on the WebSphere Application Server
  • Monitored the Server performance using Memory Debugger, Thread Analyzer
  • Started and maintained an environment wide Configuration Management for better application maintenance.
  • Automated the process of Environment variables being updated into the Application specific documentation using a Java Application.
  • Setup of new Application through Dev/Test and Stage Environments.
  • Created scripts for Automatic deployment of new WAR files in to the Environment.
  • Created new WebServers to use Verisign certificates and IBM IKEYMAN
  • Creation, catalogued and setup of DB2 Alias
  • Analyzed Errors and event logs and diagnosed Application server problems using Log Analyzer

Environment
WAS 5.0.2, WBIS 5.1, AIX 5.1, Linux, IBM HTTP Server, Apache 2.0, IBM DB2, Interscope 4.0/5.0, Topaz, Oracle 8.0, Sybase, Tomcat, SQL Server, WSAD.

Hire Now