Nine years of overall experience in administering, performance tuning, configuring, and installing IBM WebSphere Application Server 8.x/7.x/6.x, JBoss and other middleware products.
Extensive experience in installation, configuration, deployments, migration (data center) and management of enterprise applications using WebSphere Application server 8.x/7.x on AIX, Linux and Windows NT/2000/2003.
Worked extensively on the data center migrations as Manager, Infrastructure Lead and WAS technical resource on various firm wide critical applications.
Experience in installation, configuration and troubleshooting of JBoss Enterprise application platforms version 5.0/5.1.5.1.2.
Monitored and Configured WAS servers - diagnosed and resolved WAS issues and failures.
Expertise in administration, configuration, workload management (WLM) and performance tuning of WebSphere Application Server 8.x/7. x.
Knowledge of security configuration for server-side application resources.
Experienced in working with IHS and Apache Webservers.
Expertise in setting up of JBoss Enterprise Web Servers 1.0.1/1.0.2 and configured mod_jk and mod_cluster modules to communicate with backend JBoss applications
Strong technical knowledge includes WebSphere Application Server Administration, Workload management and performance tuning.
Experienced in applying patches and fixes for WebSphere Application Server and JBoss products.
Strong experience in clustering for WebSphere and JBoss application servers
Comfortable with the Working knowledge of IBM WebSphere MQ Family
Knowledge in configuring JMS Provider using WebSphere MQ.
Experience with SiteMinder and WebSeal configurations for WAS 8.x/7.x
Implemented WebSeal in conjunction with WebSphere Portal Server and WAS.
Updating WAS with fix packs and fixing the unresolved bugs or issues.
Excellent background in software development and testing middleware systems.
Performance monitoring and tuning using tools like Tivoli Performance Viewer, Wily, log analyzer, thread analyzer and IBM Heap Analyzer.
Skills
Middleware - IBM WebSphere Application Server (ND) 8.x,7.x, IBM WebSphere Portal server 6.x, IBM WebSphere MQ 6.x, JBoss EAP 5.1/5.1.2, Tomcat 8.5
Operating Systems - AIX 7.x, Red Hat Enterprise Linux 7.x,6.x, Windows NT/2K and 2003
Web Servers - IBM HTTP Server, IIS, Apache, JBoss Webserver
Scripts Ansible, Shell, Python, Perl
Microsoft Tools - PowerPoint, Word, Excel, Access, MS Project, MS Visio
Work History
Middleware Administrator/DevOps Engineer, 01/2013 - Current Client: Department Of Child Support Services – City, STATE,
Installed and configured WebSphere Application Server Network Deployment 6.1, 7.0 and 8.5 on AIX
Installed and configured IBM content manager 6.x ,7.x on AIX and Linux machines
Installed and configured Adobe AEM 6.2 on AIX 7.1 and integrated with IBM WebSphere 7.1 to provide forms generation feature for legacy Child Support application
Worked on WebSphere MQ 6.1 and migrated to WebSphere MQ 7.x
Involved in migration of WebSphere 7.1 to WebSphere 8.5 as WAS technical resource and planned timeline activities
Created sustainable environments for batch operations by analyzing and debugging the out of memory issues in WAS 8.5 by using heap analyzer and thread analyzer
Upgraded IBM HTTP WebServer and Plug-ins from 7.x to 8.5
Worked on ikeyman and Java key store to generate digital certificates for SSL communication between servers and applications
Worked with Akamai to resolve brute force attack on public facing applications
Involved in troubleshooting critical issues of WebSphere application server and child support application slowness
Configured and administered data sources for WebSphere 7.x and 8.5
Implemented horizontal and vertical clustering of application servers for achieving workload management (WLM) and avoiding single point of failure and making all the application servers highly available
Worked with IBM by opening PMRs for major production issues which involved WAS bugs
Applied fix packs to resolve security vulnerabilities and out of memory (OOM) issues
Resolved issues working with cross-departmental teams; customer support, application developers, vendor IT contacts, network and database administrators
Deployed new builds and recycled the environment
Enabled Security for Admin Console and the application components through LDAP (IBM Tivoli Directory Server)
Configured WebSeal for single sign-on and policies to authenticate and authorize users
Created POP at WebSeal for Webservices to by-pass authentication to ensure applications can access the Webservices
Created LDAP tree for new application to authenticate users to enroll in Child Support forms
Worked day-to-day activities on servers such as WebSphere, WebSeal, LDAP, Adobe, Content Manager, Apache, Tomcat on AIX 7.1 and Linux 7.10 operating systems
Working with Amazon and Architecture team to plan and migrate legacy applications and infrastructure to AWS cloud
Designing and planning migration to DevOps tools such as GIT and Jenkins from IBM ClearCase and ClearQuest and integrating it with CA Agile central
Created pipelines for Continuous Integration/Continuous deployments (CI/CD) using GIT, Jenkins, Ansible, and Docker
Provided 24/7 production support
WebSphere/JBoss Administrator, 08/2012 - 12/2012 Client : United States Patent And Trademark Office – City, STATE,
Installed and configured JBoss Enterprise Web Server and JBoss Enterprise Application Servers and integrated using mod_jk and mod_cluster modules on Linux 6.x
Deployed enterprise applications in the JBoss and WebSphere environments
Worked on the end to end performance related issues
Installed and configured JON and RHQ agents in the SIT, FQT and prod
Installed and configured Wily agents in the SIT, FQT and prod
Worked on the performance tuning of the SIT and FQT environments
Responsible for administering WebSphere Application Servers and IHS Webservers
Deployed new builds and recycled the environment
Monitored for Application core dumps or forced thread dumps to check for system objects using thread analyzer
Enabling SSL over IHS/EWS Webservers to make URLs secure
Worked on setting up SSH between the critical servers in the SIT, FQT and prod servers
Worked with RedHat on the long ongoing issues with related to JBoss environments
Implemented Horizontal and vertical clustering in the JBoss environment
Hands on experience on the Tomcat and Apache servers
Worked closely with Network, DB, application and other teams for new built projects
Troubleshooting of WebSphere application server and application slowness issues
Strong knowledge on Linux, Sun Solaris and windows 2003, 2008
Installed and configured WebSphere Application Server Network Deployment, Express, 6.0, 6.1, 7.0 on Sun Solaris, Linux and Windows 2003
Worked extensively on the data center migrations as Manager, Infrastructure Lead and WAS technical resource on various firm wide critical application
Installed and configured IBM Web Server 6.0 and 6.1 on Linux, and UNIX
Responsible for administering WebSphere Application Servers and IHS Webservers
Implemented horizontal and vertical clustering of application servers for achieving workload management (WLM)
Enabled SSL over IHS/EWS Webservers to make URLs secure
Used scripting tools such as wsadmin and twiddle to get data from application servers
Worked as Manager, Infrastructure Lead and Technical resource for WebSphere and portal server projects in data center migration
Worked on ikeyman for generating digital certificates for authentication purposes
Resolved issues working with cross-departmental teams; customer support, application developers, vendor IT contacts, network and database administrators
Monitored and Configured WAS servers diagnosed and resolved WAS issues and failures
Worked with Akamai on security concerned issues
Configured LDAP Servers and various LDAP tools are used to manage data in LDAP
Used SiteMinder for single sign-on, Policy Servers and Web agent servers are configured to authenticate and authorize users
Troubleshooting errors both Application & JVM, also analyzed heap/core plus error logs – configured tuned JVM for optimum performance
Performed application and JVM performance monitoring using IBM Tivoli Performance monitoring tool
Used Log Analyzer to monitor WebSphere Applications and tuned the environment accordingly like changing the JVM Heap, Connection Pool sizes
Involved in investigating the problem, troubleshooting and resolving application and configuration issues
Installed the fix packs on Application Server to fix OOM and bugs
Provided 24/7 production support
Education
Bachelor of Science: Computer Science, Expected in - JNTU - Hyderabad, GPA:
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