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Websphere Administrator Resume

Providence, RI

SUMMARY:

  • Over 6 years of professional experience as a WebSphere Administrator.
  • Experience working on Application Server, Web Server in all aspects of administration, maintenance, integration including installation.
  • Strong technical knowledge includes WebSphere Application Server, implementation, support, workload management and performance tuning.
  • Providing on - going support and administration for SVN, Bamboo, Jenkins and ANT build automation.
  • Enforced policies and procedures for each specific release/parallel development.
  • Proficient with RHE Linux/Unix/Windows system administration, maintenance of user groups, development, integration technologies, infrastructure and installation.
  • Experience working with the release and deployment of large-scale Java/J2EE Web applications.
  • Experience in HTTP, WebSphere, Apache Tomcat, NFS, Proxy servers (Squid), FTP Server and SFTP Server.
  • Experience in System administration tasks, various networking technologies and network security.
  • Experience in working with issue tracking tools like JIRA.
  • Experience providing 24/7 on call support.
  • Excellent communicative, interpersonal and analysis skills with ability to work efficiently in both independent and team work environments.

TECHNICAL SKILLS:

Administration: Linux, Network, Virtualization, Directory Services, VMWare, Web Logic, JBoss

Networking & Security: Cisco Routing and Switching & Cisco ASA Firewall Security, Linux Network Security

Operating System: Red Hat Linux, Mac OS X, Windows

Cloud Computing: Amazon Web Services, Big Data

Protocols: IMAP, POP3, SMTP, HTTP

Scripting: Python, Java Script

Version Control: Gitlab, SVN

Programming: C, C++, Core Java, Advanced Java, J2EE

Build and CI/CD Tools: Chef, Puppet, Bamboo, Jenkins, Maven, Gradle, ANT

Databases: MongoDB, PostgreSQL, MySQL, Oracle

Monitoring Tools: Nagios, Zabbix, Splunk

PROFESSIONAL EXPERIENCE:

Confidential, Providence, RI

WebSphere Administrator

Responsibilities:

  • Configuration and Administration of IBM WebSphere Application Server v8.5 on Linux.
  • Setting up and maintaining Dev, SIT, UAT, Prod Stage and Production environment for WebSphere Application Server
  • Installing and Creating Profile using profile management tool and managing Network Deployment Manager and WebSphere Application Servers Profiles in a Cell.
  • Monitored the performance of the deployed applications, WebSphere Application Server by enabling the Performance Monitoring Infrastructure PMI using Runtime Performance Advisor, Tivoli Performance Viewer.
  • Configuring WebSphere resources, including JDBC providers, JDBC data sources and connection pooling.
  • Troubleshooting heap issues using the heap dump analysis tool and monitoring/tracking it on a timely basis.
  • Support WebSphere Application Server WAS administration tasks, including patch management and operational support.
  • Worked on Jython/wsadmin scripts for administration of servers, deployment.
  • Worked on different flavors of webserver like Apache for troubleshooting errors and any specific front-end issue.
  • Coordinate/assist developers with establishing and applying appropriate branching, labeling/naming conventions using SVN. Analyze and resolve conflicts related to merging of source code using SVN.
  • Maintained build related scripts developed in ANT/Shell. Modify build configuration files including ANT’s build.xml. Automate build process to deploy the artifacts to WebSphere application server using ANT/Shell scripts.
  • Configured and maintained Jenkins to implement the CI process and integrate the tool with Ant to schedule the builds.
  • Planned, designed and implemented the upgrade of Red Hat Linux Operating System.
  • Plan, design and implement applying Linux and Windows upgrades and patches.
  • Used JIRA to track all the defects and changes released to SIT, UAT, Prod stage and PROD environments.
  • Escalating on Build Issues to the Development Team and ensured for Smooth Progress of deployments on the environments. Worked closely with the QA team in identifying environment/code issues.
  • Automated deployment process of Tableau/ETL and OpenText Exstream through Jenkins using ANT/Shell scripts.
  • Used Splunk to monitor logs and debug server/code related issues.
  • Provided 24/7 on call support for resolving critical issue

Confidential, Bismarck, ND

WebSphere Administrator

Responsibilities:

  • Provided Configuration management and Build support for different applications, built and deployed to the production and lower environment.
  • Coordinate/assist developers with establishing and applying appropriate branching, labeling/naming conventions using SVN. Analyze and resolve conflicts related to merging of source code using SVN.
  • Maintained build related scripts developed in ANT/Shell. Modify build configuration files including Ant’s build.xml. Automate build process to deploy the artifacts to WebSphere application server using ANT/Shell scripts.
  • Configuration and Administration of IBM WebSphere Application Server on Linux.
  • Installing and Creating Profile using profile management tool and managing Network Deployment Manager and WebSphere Application Servers Profiles in a Cell.
  • Monitored the performance of the deployed applications, WebSphere Application Server by enabling the Performance Monitoring Infrastructure PMI using Runtime Performance Advisor, Tivoli Performance Viewer.
  • Configuring WebSphere resources, including JDBC providers, JDBC data sources and connection pooling.
  • Troubleshooting heap issues using the heap dump analysis tool and monitoring/tracking it on a timely basis.
  • Configured and maintained Bamboo to implement the CI process and integrate the tool with Ant to schedule the builds.
  • Worked with development, testing, systems/infrastructure and project teams to ensure continuous operation of build and test systems.
  • Used Jira to track all the defects and changes released to SIT, UAT, Prod stage and PROD environments.
  • Designed the Release Plans while coordinating with Stake Holders including Project Management Lead, Development Lead and Testing Team Lead.
  • Worked as a Mule ESB admin and deployed complex packages on Mule server using Bamboo and ANT/Shell scripts for automation.
  • Escalating on Build Issues to the Development Team and ensured for Smooth Progress of deployments on the environments. Worked closely with the QA team in identifying environment/code issues.
  • Worked on Server issues for disk space, CPU Usage, Increase memory, Database installation and server installation.
  • Automated deployment process of Cognos/ETL and OpenText Exstream through Bamboo using ANT/Shell scripts.
  • Used Splunk to monitor logs and debug server/code related issues.
  • Worked on Server issues for disk space, CPU Usage, Increase memory, Database installation and server installation.
  • Provided 24/7 on call support for resolving critical issues.

Confidential

WebSphere Administrator

Responsibilities:

  • Configuration and Administration of IBM WebSphere Application Server on Linux.
  • Creating JDBC providers, data sources and JAAS authentication alias to establish connection between DB and Application.
  • Monitoring the performance of WebSphere Application Server using Tivoli Performance viewer.
  • Troubleshooting issues such as memory leaks, high CPU utilization, memory leaks, Hung Threads.
  • Deploying application codes (.EAR files) to DEV/SIT/Training/UAT/Production environments and providing 24/7 on-call production support.
  • Successfully configured and installed Active MQ on all the lower environments.
  • Using Tivoli Performance viewer, Zabbix Tool, Thread Dump Analyzer and Performance Tuning Tool.
  • Tuning databases resource configurations including connection pooling, timeouts etc.
  • Work on high priority, critical tickets in lower environments by resolving the issues and finding out the root cause of the issues.
  • Work with different teams (Application, Database, Security, and Development) in investigating the cause of the issues and finding out the permanent fix to the issues.
  • Configure all lower environments which includes deploying the application, JDBC configuration, properties modification and other parameters to bring up the application.
  • Configure Jenkins to automate all the deployments and other activities like log purging etc.
  • Configure and install applications in Mule ESB Community Edition.
  • Configure and install all the business rules in Apache Tomcat server.
  • Install and configure OpenText Exstream Engine to display/view notices on the application in Adobe PDF format.

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