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.