We provide IT Staff Augmentation Services!

Websphere Administrator Resume

0/5 (Submit Your Rating)

Detroit, MI

SUMMARY

  • Over 7 years of IT experience with 5+ years in Installation, Configuring, Administering, TroubleShooting WebSphere Application Server 5.0.X/5.1.X/ 6.0.2.23/6.1.0.11/7. X
  • Experience in Installation of WebSphere Application server 6.0/6.1/7.0 and Portal server 6.1.5.
  • Expertise in configuration and administration of WebSphere Application server, Portal Server.
  • Administering a complex SOA based WAS and Websphere Process Server 6.x environment.
  • Implemented distributed management and flexible management using deployment manager and job manager profiles.
  • Responsible for installation, configuration, deployment and maintenance of WAS and Websphere Process Server on AIX platform.
  • Well versed with new WebSphere 7.0 features like flexible management, security domains and intelligent provisioning.
  • Implemented Horizontal and Vertical clustering of Application/Portal servers to provide scalable, highly available and fail over infrastructure.
  • Experience in applying Fixpacks/Refresh packs /cumulative packs for Application server, ifix and APARs for Portal server using Update Installer and Config Engine Task.
  • Expert in analyzing the heapdumps and thread dumps for the application server using websphere tools like heap analyzer, thread analyzer.
  • Well - versed in Integrating IBM HTTP Server (1.3.x/2.0.x/6.1), Apache (1.3.x/2.0.x), LDAP, DB2/UDB (7.2.x/8.1.x), and Oracle (8i, 9i, 10g, 11g) with IBM WebSphere Application Server on AIX, Linux, Solaris and Windows platforms and troubleshooting integration issues.
  • Experience in developing Shell scripts to automate daily backups, log archival, Performance scripts, run cron jobs and other automation processes.
  • Experienced in Secured Socket Layer (SSL) configuration, creating self-signed certificates, generating certificate requests, Import/Export certificates and creating keyStores and Key databases.
  • Familiarity with network protocols and applications involving TCP/IP, NFS, DFS, SNMP, SMTP, POP, Telnet, Rlogin, SSH, FTP, HTTP, DNS.
  • Strong understanding of J2EE (JSP, Servlets, EJB, JNDI, JMS), Java2.0, JDBC, Java Beans, RMI, XML, XSL, XSLT, XML Schemas and DTD, HTML, SQL.
  • Experience with various procedures and policies required for escalation and outage resolution with Strong documentation skills.
  • Worked on various critical problems by opening PMRs and resolving them with assistance from IBM.
  • Adaptive to team environment and capable of completing complex tasks independently.
  • Highly motivated to learn new developments in technology with strong analytical problem solving skills and a flair for creativity.
  • Provided 24/7 support in troubleshooting Application problems to help system stability and integrity.

TECHNICAL SKILLS

Middleware: IBM WebSphere Application Server v7.x, v6.x and v5.x.

Operating System: UNIX, IBM AIX v5.x and v4.x,Linux v8.0 and 7.x, Windows 2003/2000 and NT.

Monitoring Tools: Tivoli Performance Viewer.

Web Technologies: J2SE and J2EE.

Markup Languages: HTML, XML, XSL, DTD and XSD.

RDBMS: Oracle 9i, MS SQLServer2005 and DB2.

Protocols: TCP/IP, HTTP, HTTPS, RMI/IIOP and SOAP.

Web Servers: IBM HTTP Server and Apache Tomcat.

Scripting Language: JACL Jython, and Ant.

PROFESSIONAL EXPERIENCE

Confidential, Detroit, MI

Websphere Administrator

Responsibilities:

  • Installation of WebSphere Application server7.0 ND on AIX power 5 machine.
  • Upgraded WebSphere from 7.0.0.5 to 7.0.0.11 by installing the fixpack on top of base binaries.
  • Installed various intermediate fixes on the application server recommended by IBM to mitigate security risks.
  • Configured WAS and Websphere Process Server, involved in deployments and performance tuning.
  • Configured federated repository with Sun One Directory server and Database User registry for implementing authentication and authorization for the web application requests.
  • Implemented Single sign-on between Application server and portal server by exchanging the LTPA tokens.
  • Implemented LDAP fail-over for WebSphere and adjusted connect timeout and retry internal based on business needs.
  • Configured Custom keystore and trust store for the application server by removing default stores.
  • Configured Cache management by creating Replication service and using the service to share the cache in the cluster.
  • Fine-tuned the plugin xml file to set various parameters to comply with application requirements
  • Configured SSL communication between the WebSphere and Plugin by enabling https communication on plugin.
  • Worked on troubleshooting integration of various external interfaces to the WebSphere Application server and resolved the critical issues.
  • Worked on enabling SSL communication between WebSphere and edge components and resolved integration issues.
  • Collect the performance metrics for each application server on a regular basis, analyze the performance and fine tune the application server by providing optimal values for connection pools, timeouts and Heap Size.
  • Worked on various business critical issues by opening PMRs with IBM and resolved by coordinating with support.
  • Good Experienced and understanding of J2EE applications.
  • Developed jython / jacl scripts for application deployments/ configurations through command line scripting.
  • Developed Shell scripts for gathering performance data of the AIX servers, cron jobs for log archival and backups.
  • Provided on call support for Production and Pre-Prod environments.

Environment: AIX 6.0, Solaris 10, Websphere Application server 7.0, Sun One WebServer, Oracle 11g, netegrity Site minder, SunOne Directory Server, Open Deploy, Websphere MQ.

Confidential, Detroit, MI

Middleware Engineer

Responsibilities:

  • Performed installation, configuration and maintenance of WebSphere Application Server ND 6.1on Linux environment and Web sphere MQ.
  • Upgradation of WebSphere from 6.1.0.1 to 6.1.0.29 by installing fix pack on the top of WebSphere base binaries.
  • Migrated WebSphere Application server from V6.1 to V7.0.
  • Implemented clustering architecture both horizontal and vertical clustering to provide high availability, failover, load balancing of the incoming traffic in production server environment.
  • Involved in configuration, deployment, troubleshooting various applications in clustering environment through admin console and also using Jython scripting and monitored the performance before moving on to production environment.
  • Installed and configured Apache, IBM HTTP server as the front end for the application server.
  • Installed WebSphere client plug-in on apache, IBM Http server and integrated with WebSphere. Generated plug-in file and propagated to Apache and IBM Http web servers.
  • Administered complex SOA based WAS and Websphere Process Server 6.x environment.
  • Configured Virtual hosts on Apache and administered multiple internal sites on a single apache instance.
  • Created self-signed certificates, generated private key and certificate service requests. Installed certificates on to the web server to implement secure communication.
  • Imported and exported certificates.
  • Configured resources such as Queue Definitions, Queue Connections Factories, and Listeners in order to provide connectivity to Enterprise MQ infrastructure.
  • Worked on Documentum server performing Dump and Load of a doc base for backing up the doc base.
  • Performed Configuration and customization of Documentum E-mail facilities according to the company needs.
  • Created Documentum clusters for failover support and configuring active-active cluster for high availability.
  • Monitoring WebSphere Application Server performance through Tivoli Performance Viewer and tuning the system caching, queuing, JVM parameters, DB Connection Pooling.
  • Provided resolution for problems by enabling required trace and analyzing trace logs to determine the root cause.
  • Configured user authentication for admin console using Tivoli Directory Server.
  • Provided user authorization services by creating user roles and groups to assign access to specific resources.
  • Configured Session management mechanism, session tracking, and session persistence.
  • Also worked on session management tuning, session security and session performance.
  • Supported Production, Pre-production and QA environments as an integral part of daily responsibilities.
  • Developed Shell/Perl scripts to automate daily tasks like log archival, backup procedures.
  • Worked on performance tuning of application server using Tivoli Performance Viewer by setting optimal values for timeouts, connection pools, JVM heap size and tuning garbage collector.
  • Provided 24/7 support for production environment and on-call support.

Environment: Solaris 10, Red Hat Enterprise Linux, Windows 2008 server, AIX, Perl, WebSphere Application server 6.1 Network Deployment, Apache, IBM Http Server, SUN ONE WebServer, Oracle 10g, Java, SQL * loader, Exceed, HTML, PHP, ColdFusion, XML, VNC.

Confidential, Columbus, OH

WebSphere Administrator

Responsibilities:

  • Installed, configured, administered and maintained WebSphere application server 5.1 on Solaris and Linux servers using both graphical and console based installations.
  • Migrated WebSphere application server from version 5.1 to 6.0.
  • Configured Global security for WebSphere Application Server using IBM Directory Server as LDAP user registry.
  • Configured JDBC Providers and data sources for integration of WebSphere with database.
  • Developed Jython scripts in order to automate various WebSphere administration tasks such as JVM configuration, J2EE application deployment, Database Configurations
  • Installed and configured Apache, IBM HTTP servers on Solaris and Linux servers. Modified the configuration files to include virtual hosting for web servers.
  • Performance tuning of web servers by modifying configuration files to provide high availability.
  • Integrated apache, IBM Http server with WebSphere application server using client plug-in
  • Automated plug-in generation and propagation to web server by creating managed node for web server on web sphere application server.
  • Configured service integration bus, created new bus members. Configured connection factories, queue and topic destinations and activation specifications for message driven beans.
  • Generated keystore files using ikeyman utility for WebSphere, created self signed certificates for WebSphere and web server plug-in and copied public keys into keystore files.
  • Worked closely with Project manager, development, testing and production team to align project deliverables, dates and report issues/concerns..
  • Tested end-to-end connectivity in QA environment and solved issues relating to response time, outages and integrity of the infrastructure.
  • Performed backup of WebSphere configuration files and restored them into another machine.
  • Responsible Team Member providing timely and accurate resolutions to critical issues and documented the solutions.
  • Provided on-call support 24/7 to support Production servers.

Environment: Solaris, Windows NT, AIX, IBM WAS 5.1.1/6.0, WebSphere MQSeries 5.3/6.0, WebSphere Process Server 6.0, WebSphere portal server 6.0, Apache, IBM HTTP server, IIS, Oracle 9i, SQl server, SQl plus, HTML, Java, ColdFusion, Cygwin:,BPEL, XSLT, WSAD 5.1, RAD7, XML

Confidential, Detroit, MI

WebSphere Administrator

Responsibilities:

  • Installed and configured IBM WebSphere Application Server ND 5.1/5.0.2 and IHS 6.x on Sun Solaris 8 in a multi clustered high availability environments.
  • Migrated WebSphere applications from 5.1.1.3 to 6.0.2.19 in development, test and production environments.
  • Implemented horizontal and vertical scaling of WebSphere Application Server in a workload managed cluster to avoid failovers.
  • This involved modeling and cloning also called server groups and cloning services in WAS V5.
  • Deployed Enterprise applications on application Servers through admin console and by using automated scripts.
  • Creating the users and groups in LDAP Servers and mapping them to the enterprise applications running on WebSphere Application Server.
  • Generated HTTP plug-in file and configured with web servers by doing manual edits.
  • Involved in configuration of WebSphere Application Server like JDBC, J2EE, JMS, Security, SSL and application deployments .
  • Handled everyday System Administration tasks such as backup procedure, system clean up and rotating logs.
  • Enabled the performance monitoring services for collecting performance data.
  • Reviewed Web Server, Application Server Performance Monitoring data using Tivoli Performance Viewer and reviewed historical Tivoli logs for root cause analysis, recurring events and involved in troubleshooting the recurring problems.
  • 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) with 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: Solaris, Windows, IBM AIX 5.3, Oracle 9i, VMware, IBM WebSphere Application Server 5.1/6.0, IBM WebSphere MQ 5.3, IBM DB2, IBM Http Server 6.0.x, Apache, Cold Fusion, Java, SQL Server, JProbe, Red Hat Linux, netegrity Site minder Policy Server 6.0, Java/J2SE 1.4, J2EE 1.3.

Confidential

Middleware analyst

Responsibilities:

  • Installed, configured, WAS 5.0/5.1 and provided extensive support in troubleshooting in Dev, Test, and Production environment.
  • Installed Fix packs and interim fixes and to upgrade WebSphere application server 5.0.
  • Performed packaging, building, integrating and deploying enterprise J2EE applications on WebSphere 5.0 that involves EAR, JAR, WAR files using Application Assembly Tool (AAT).
  • Involved in configuring the WebSphere load balancing utilizing WebSphere Workload Management (WLM) including horizontal scaling and vertical scaling.
  • Created and federated Profiles to the Deployment Manager using both Profile Management tool and also using manage profiles and addnode script.
  • Installed, Configured and Administered IBM HTTP Server 1.3, Apache 2.0 web servers.
  • Migrated applications from WebSphere Application Server 4.0 to WebSphere Application Server 5.x in development and test environments.
  • Created user roles and groups using Local OS registry and secured WebSphere resources.
  • Configured WebSphere resources including JDBC providers, JDBC data sources and connection pooling and MQ JMS provider, Queues, topics, Message driven beans.
  • Maintenance of the WebSphere on different platforms and setting up the development, testing environment for the on-going application development.
  • Troubleshooting on issues such as out of memory, memory leaks, hung sessions and session replication, federation of nodes and synchronization of nodes.
  • Automate application install, uninstall and enhancements through Shell scripts and JACL scripts.
  • Involvement in using scripts to handle everyday System Administration tasks such as backup procedure, system cleanup.
  • Extensively worked on Performance testing and tuning the application performance emphasizing on JVM heap size, CPU utilization, JDBC connection pools, Garbage Collector, Web container threads, Servlets performance, response time alerts and thresholds using Tivoli Performance viewer.
  • Handled Dev, Testing and Production environments and provided 24/7 support as part of job responsibilities.
  • Resolved the service center Tickets assigned to our group using Remedy change management tool.

Environment: Window 95/NT/98/2000, Red Hat Linux, Oracle 9i, WebSphere Application Server ND 5.1.x/5.0.x/4.x,IBM HTTP Server 2.0.x/1.3.x, SQL, Apache, Cold Fusion, Java, SQL Server, WebLogic, Microsoft Office, VMware

We'd love your feedback!