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Websphere Engineer Resume

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WORK EXPERIENCE:

Websphere Engineer

Confidential

Responsibilities:

  • Successfully upgraded and migrated several Java Applications from Websphere 6.1 on Windows to version 8.5 on Linux.
  • Build out new environments for several new Java applications.
  • Automated deployments and configurations using jython and shell scripting.
  • Unit tested applications with the development teams in order to resolve issues in the QA and prod environments.
  • Built out and supported several new Websphere Portal 8.5 environments on Linux.

Websphere Admin

Confidential

Responsibilities:

  • Installed and configured Websphere Application Server 8.5.
  • Daily support and troubleshooting of applications installed in WAS 7.0 and 8.5 environments.
  • Work with development teams to deploy new applications from development to production.
  • Trained new offshore java development teams on Websphere implementations

Websphere Process Server Application Support Specialist

Confidential

Responsibilities:

  • Monitor Websphere and Process Server applications for abnormal activity
  • Develop Jython and shell scripts to monitor Websphere and Process Server components
  • Jython scripts were developed to interface using the Perfmon Mbean to talk to the Tivoli PMI endpoints and retrieve current values
  • Shell scripts were developed to compare existing Tivoli values to thresholds and then to send alerts to responsible parties
  • Supported development and deployment teams to help resolve various Websphere related issues

Websphere Process Server Admin

Confidential

Responsibilities:

  • Websphere Process Server SME consultant on the ICE Homeland Security Project.
  • Setup and managed pools in the F5 load balancer
  • Created jython scripts to automate configuration and post deployment tasks.
  • Update websphere flat file adapter j2c activation spec using adminconfig commands
  • Change eventDirectory custom property
  • Modify wsSCAimport binding using admintask commands
  • Modify jndi resource references mapped to ejb modules
  • Paramaterized scripts using UNIX shell script wrappers to accept dynamic input
  • Creating new thread pool mappings for j2c activation specs on Application Servers
  • Updating the Thread pool alias for Platform Messaging Resource Adapter
  • SPI Resource Adapter to use new thread pools.
  • Work with performance team to determine optimal maxConcurrency value for each activation spec - starting at the default value of 10.
  • Working with development teams to resolve synchronous threading to asynchronous threading issues. Asynchronous threading by application was using up all threads.
  • Configuring jdbc configuration bindings, Correcting j2cauthentication data
  • Creating Websphere variables and Jdbc driver paths
  • Set optimal jvm heap sizes for dm boxes
  • Encrypt environment passwords in soap.client.properties files
  • Configured buses, bus destinations, queue connection factories, queues, new CEI event groups and destination queues, new activation spec jms queue
  • Created Subversion script repositories for sharing code
  • Created Websphere DataPower Webservice Proxy Domain
  • Fixed CEI issue with gold topology. Process Server 6.1 bug - used fully qualified jndi name with correct cluster reference in order to resolve issue
  • Resolved Process Server Edit Business Data issue for applications mapped to web and application servers during deployment. Opened a PMRs and applied patches.
  • Corrected database type and implementation class issues, XA vs non XA
  • Corrected j2cactivation spec issues. They were not removed upon uninstall. Therefore deleted old mappings once to resolve the issue
  • Updated CEI Event service security role mapping issue -- to everyone from all authenticated to resolve application CEI access issue
  • Corrected sca component resource mapping login authentication issue, fixed wrong node in parameter

Sr. WebSphere Engineer

Confidential

Responsibilities:

  • WebSphere Portal, Application Server and Process Server SME on US Customs Project Deploy and Administer WebSphere Portal 5.0 and 6.0 Applications
  • Assist troubleshoot WebSphere SAP Adapter issues and WebSphere MQ issues Automate installation, configuration and deployment using Unix shell scripts, jacl and jython scripts.
  • Upgrade and Migrate Portal 5.1 to 6.0, and Process Server 6.0 to 6.1.
  • Configure WebSphere 5.1, 6.0 and 6.1 to work with the following technologies: Confidential LDAP, ITIM, DB2, Veritas HA, WebSEAL, SAP, MQ, AIX, WebSphere Process Server.
  • Worked in production support role providing 24-hour high availability support.
  • Designed and tested technology upgrades as they came out. Initiated new product upgrades research and then implemented upgrades across the development and production environments.
  • Tested product configurations for optimal performance and resource use.
  • An example includes researching and determining the optimal number of WebSphere Portal DB2 databases for the production environment.

Sr. Infrastructure WebSphere Engineer

Confidential

Responsibilities:

  • WebSphere Commerce, Application Server SME on US Mint Project Lead a Web Capacity upgrade project that consisted of migrating US Mint WebSphere Commerce environments running on WAS 5.0 and WC 5.6 on a Solaris 5.8 platform to new Solaris 8 servers.
  • This required migrating the web and application servers.
  • This required shell scripting as well as knowledge of SAN infrastructure and Solaris RAID 5. This project was extremely successful and resulted in the US Mint being able to process a record number of orders on product drop dates. Worked with OS team to backup and migrate specific application server configurations.
  • Researched and implemented performance enhancement metrics for the WebSphere environments.
  • This included changing JVM heap sizing such as Eden, survivor, tenured and permanent ratios, changing threading models and implementing http compression.
  • Troubleshoot and administer IHS 2.0.42.1 and SAMBA 3.0.
  • As well as other day to day WebSphere related issues.
  • Assisted in troubleshooting network interface and iSeries issues. Assist troubleshoot WebSphere MQ 5.3 issues.

Senior WebSphere and Siteminder Engineer

Confidential

Responsibilities:

  • Built out several WebSphere Application Server 6 Network Deployment environments on AIX 5.3, Solaris 8, Linux and Windows.
  • These environments were maintained on several operating systems.
  • Maintained the WebSphere Application Server 4.0 applications and worked to solve application issues.
  • Migrated the WebSphere 4.0 applications running on Sun OS 8 to WebSphere Application Server ND 6.0 running on AIX 5.3.
  • Installed and configured Siteminder 6.0 policy server and web agents.
  • Responsible for building and maintaining policies.
  • The Siteminder installations were then integrated into the WebSphere 6 environments.
  • Worked with CA support to troubleshoot issues and resolve tickets.
  • Administered Sun LDAP 5.2 to work with Siteminder 6.0.
  • Siteminder userstores and policystores were maintained in this version of LDAP.
  • Enabled userstore and policystore replication across several environments.
  • Administered WebSphere MQ Series 5.3.
  • Built queues and channels to integrate into the WebSphere 6 applications.
  • Deployed and configured several custom built J2EE applications on WebSphere 6 and JBoss.
  • The applications used Hibernate for jdbc connection pool management. Generated thread dumps and heap dumps to analyze application issues.
  • Used tools like thread analyzer, Heeproots, IBMHAT, Tivoli Performance Viewer, and Wily Introscope to troubleshoot problems.
  • Setup SAML producer and consumer environments for Single Sign on using the CA Siteminder solution.
  • Installed and configured a web services environment using JBoss, IHS and Siteminder Transactionminder.

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