Middleware Administrator
Resume:
SHARATH
*********@*****.***
*+ years of experience in Information Technology and over Six years of experience in installation, configuration, deployment and management of Enterprise Applications using IBM WebSphere 8.x, 7.x,6.x and 5.x on AIX, Solaris, Linux, HP-UX and Windows platforms.
Setup, Configured, monitored Application Servers like Oracle WebLogic 10.x/11.x/12cR1/12cR2,0 JBoss 6.4.x,7.x, Oracle Application server 11g, Oracle fusion middleware applications like Oracle SOA suite 11g and Oracle OSB 11g, Apache Tomcat and Web Servers like Apache, IIS `and Sun One/ iPlanet and configuring external webserver, database and messaging infrastructure (MQ) service.
Strong Experience in the setup of AWS environments using CloudFormation/StackSets and Implementing DevOps methodologies for cloud applications using Jenkins, CodePipeline, CodeDeploy.
Highly Experienced in SSO and SAML implementations using CA Site minder to secure internal as well as external applications and webservices.
Expertise in optimization and fine tuning of Enterprise Applications in WebSphere Server 6.x/7.0/8.0, WebSphere MQ, JNDI, LDAP, Service Integration Bus, under Sun Solaris, Linux, Aix and Windows 2000.
Expertise in J2EE application deployment, ear/war/jar installation, backups, JVM export/import and the like.
Experience in the integration of Apache with JBoss using mod_jk and mod_cluster connectors
Expert in Perl, shell & java scripting, Ansible methodology and build automation tools ANT, Maven and MS Build development in UNIX, Linux and Windows environment.
Experience in Configuration and release management in DevOps support model using tools such as Puppet and Chef.
Expertise in Software Configuration Management (SCM) including, Build and Release, Base/UCM ClearCase, Subversion (SVN), GIT Implementation, Process implementation, Software Integration, Administration, ClearQuest, ClearCase Automation design and Coding.
Extensive experience in configuring the HTTP Server for various clustered application servers using virtual hosting and creating self-signed external SSL certificates to achieve a secured communication between applications.
Configured WebLogic Clusters (Horizontal and Vertical) for Load-balancing and failover solutions.
Configured multiple WebLogic Domains which includes Node Managers and Managed Servers in multifarious environments.
Expertise in log management tools like Splunk, Nagios.
Excellent working knowledge of JBOSS Application Server and monitoring tool like AppDynamics.
Excellent Migration skills from WAS 6.x to JBOSS 4.x.
Experience in finding the Memory Leaks and adjusting the JVM Heap Sizes and GC Parameters
Expertise in using WLST, ANT& Jython Scripting for Automation, Configuration, Deployment and Runtime Environment changes.
PROFESSIONAL EXPERIENCE
MAXIMUS ST Paul, MN
SR.MIDDLEWARE/WEBLOGIC ADMINISTRATOR JUN 2016 – Present
Environment: Oracle WebLogic Application Server 11gR1/12c, JBoss 5.1/6.0, Apache Tomcat 6.x/7.x, Oracle10g and 12c, Orace SOA suite, Sun One Web Server, JAR, WAR, Java, SQL, SVN, ANT, MAVEN etc.
Building, setup and configuring, assisting new Application Servers during the Datacenter Migrations in accordance with Tomcat/Apache 6.x, 7.x versions Servers .
Installed, configured and monitored WebLogic Application Server connection pools and manager with Oracle10g and 12c and administered Oracle Weblogic 11gR1, 12c.
Administration, configuration, and monitoring of JBoss EAP 6.4/7.x Environments on RHEL 6.x/7.x and Windows 2012 Servers.
Assisting in Setting up the Oracle OID (Oracle Internet directory) and OID realm management.
Providing technical support to Dev and DB team during the Data Center Moves through Zerto Process.
Performing the health checks for CRS2016, testing the connectivity issues with the CRS by configuring the ODBC drivers.
Configuring the apache servers with the vulnerabilities i.e. http headers, Missing HTTP Strict-Transport-Security Header, Missing "X-Content-Type-Options" header, Missing Http Only Attribute in Session Cookie .
Worked with Dev, QA & Production teams to ensure effective communication for the RCA approval using JIRA & Cherwell Service management tool.
Installed HotDocs Administration Server for HotDocs Document Services, monitoring the performance through IIS.
Installed and configured plug-ins for Apache HTTP server and Sun One Web server to proxy the request for WebLogic server.
Applying Critical patch updates for the WebLogic environment using BSU patching technique.
Deployment and troubleshooting of JAR, WAR, EAR & ETL files in clustered environment
Developed scripts to start, stop the managed servers in WebLogic, Apache/Tomcat & automated deployments.
Created and configured Data Sources for database connectivity & JMS resources.
Created Crontab scripts for timely running jobs, performed thread Analysis manually, performed Heap Analysis manually and also monitoring the servers using the health checks.
Performance monitoring by observing JVM Heap Size on regular intervals and invoking JAVA Garbage collector to free up JVM Heap memory.
Setup SolarWinds and Nagios to monitor the performance of the application servers.
Administration of Oracle SOA suite version 11 & Configured new SOA domains and OSB domains for Fusion Middleware High Availability applications.
Maintained Load balancing, high availability and Failover functionalities.
Provided technical support for QA and Production application environments.
Installed SSL certificates on Apache and Sun One Web Servers and renewing them whenever required.
Hands on experience with the SQL server Management Studio, fixing the Customer Issues using extensive scripts.
CIGNA WINDSOR,CT
MIDDLEWARE ADMINSTRATOR/DEVOPS May 2015 – Jun 2016
Environment: Oracle WebLogic application server 11g/12c, Oracle OSB 11, JBoss 5.1/6.0, Chef 12.18, HP server, ANT, MAVEN, Subversion/GIT, Jenkins, Apache 6.1, Sun Java Server 9.1, Puppet, Python, F5, Splunk, Tivoli, Data power appliance, Red Hat Linux, Windows
Installation, Configuring and maintaining the Jboss Application Servers version 5.x on RHEL 6.x and Windows 2008/2012 Server for the Development, Build Test, Integration, UAT, Training & Production environments.
Installation and configuration of Sun One Web Server and Apache Web Server, and configured plug-ins for app servers.
Deployed and supported WebLogic 11g/12c and JBOSS 5.1/6.0 clusters and implemented Multicast and Unicast techniques.
Extensively used ANT, MAVEN, Perl and Bash Scripts for automating build and release tasks.
Used Jenkins for continuous integration and generated artifacts from the source repository.
Configured F5 Load balancer to manage redirection and load balancing.
Responsible for setup and Administration of Amazon web service in automation tasks.
Monitoring the applications using AppDynamics to obtain the efficiency and tuning the JVM Connections.
Worked with all the teams -- change control, oracle dba, db2 dba, mq team on a regular basis to resolve production issues and in QA.
Worked with JDeveloper Tool, JMS, JTA, SOA, OSB in Oracle SOA Suite 11g, WebLogic 11g, OSB11g, Oracle Coherence, Grid Control, Enterprise Performance Management/Performance Tuning
Responsible for configuring JBOSS with Apache using mod_jk as plug-in file and used SSL certificates from CA for secured communications, familiar with the JBOSS Micro-kernel customized services on JMX management.
Setup & worked with data bags, attributes, cookbooks, recipes and templates in Chef.
also setting up the chef repo, chef development Kit, Chef manage and chef environments.
Setup build and deploy plans in Bamboo, and set up global permission and scheduling jobs in poling source code checkin in SVN under branches.
Written Ansible inventories to perform auto cache clear jobs and Windows server deploy task in powershell for bamboo remote deploys.
Worked with Splunk Administration and monitoring the applications.
Involved in the configuration and administration of F5 Big-IP hardware Load Balancers to increase throughput, performance and efficient availability.
Responsible for applying patches and fixes to HP service manger version 8.0* to bring it up-to-date.
Responsible for setup & configure Commercial of the shelf (COTS) for continues deployment and monitoring the applications.
Configured automated scheduled deploy jobs on getting the application deploy failure statuses with email notifications.
Configured stats collector service in JBOSS 5.x for production environment to get the statistics report of database access and to monitor EJB container transactions.
Configured jConsole to monitor the Java processes like thread usage, memory consumption, and the status of deployed Mbeans are available through jConsole on either local or remote Java virtual machines.
Worked with Load testing team, sysadmin team to identify performance bottlenecks using LoadRunner and Tivoli Performance Viewer.
On-call support (24x7), Monitoring and maintaining multiple Applications.
NORTHSTAR BANK FORT WORTH, TX
MIDDLEWARE ENGINEER Aug 2014 – Apr 2015
Environment: Java, J2EE, Tomcat Application Server3.3.x/4.1.x, WAS CE, Apache HTTP Server v2.0.x, v2.0.5x, CA Siteminder 5.x, Sun One directory Server v5.x, DB2, Windows NT and Solaris, AIX, F5 Load Balancer, Wily Introscope, Sitescope, LDAP, WebLogic 8.1/9.2/10.0, Apache 2.0, SunOne 6.1, IBM MQ 6.0.
Install Configure and maintain Apache Tomcat 6.0 on Solaris.
Maintained separate development, test, and production environments Application Server.
Installed IBM MQ Series on the Solaris environment for the Development and Test environments.
Developed ANT scripts to build an application and deploy it in Tomcat application server
Configured the Web Server interfaces, session management, virtual hosts and transports for Tomcat
Involved in configuring of TIBCO using Tomcat Application Server workload management.
Configured Weblogic server 10.x for development and staging also involved in configuration management, software deployment, change management, performance monitoring, and application maintenance.
Played a major role in planning, designing, executing and troubleshooting Jboss migration from Jboss 4.0.4 to Weblogic 10.0.
Configured Weblogic Clustered with Multicasting Heart Beat. Configured and maintained the services using LDAP server to provide the centralized user account administration. Worked with BIG-IP F5 load balancer.
Installed and configured Apache 2.2 with Oracle WebLogic Application server.
Configured and administered JNDI, JDBC Connection Pools, Multi Pools and Data Sources on WebLogic Server.
Integrated Siteminder with WebLogic server for single-sign-on.
Wrote Shell scripts, Ant scripts, Ansible scripts and WLST, Python & Shell scripts for the automatic startup and shutdown, backup and recovery process of managed servers.
Train the development teams on J2EE deployment process
Experienced in Service-Oriented Architecture and its related technologies like BPEL, Web Services, WSDL, SOAP, XML, XSD, XSLT and Web Service Security.
Worked closely with AIX Server Team for Operating System tweaks for Performance.
Responsible for configuring various performance monitoring tools like Wily Introscope
Used Nagios, SolarWinds monitoring tools for URL response, CPU performance, disk space utilization, and CPU load and memory utilization.
Performed scheduled maintenance activity on the application and webservers.
Installed SSL certs using keytool for java related and OpenSSL for httpd.
Created Application Server, nodes at a cell level, created clusters, defined DataSources for Database connectivity in Weblogic
BIGLOTS OHIO
MIDDLEWARE ADMINISTRATOR Oct 2013– Jun 2014
Environment: IBM WebSphere AppServer4.0/5.1, JBOSS 4.2.x.GA, AIX, Windows 2000, EJB, JDK, J2EE, JNDI, DB2, IBM HTTP Server, WSAD, WebSphere Application Server 5.x,6.0, Solaris 9,10, AIX 5.2, Windows, DB2, Oracle, Apache HTTP Server 5, and Tomcat 2.2.20
Involved in installation and configuration and maintenance on IBM WebSphere Application Server 7.x 8.x, HTTP Server in a multi clustered high availability environments, and deployed J2EE application
Involved in Load balancing/Tuning/Clustering for JBOSS Application Server
Played a major role in planning, designing, executing and troubleshooting Jboss migration from 3.2.6 to 4.0.5.
Installed and monitored Oracle weblogic 10g.
Experience in Installing and Configuration of Websphere servers like IBM Http server and Tomcat. Developed UNIX shell scripts, JACL scripts to automate the Weblogic administration.
Configured domains, clusters, JDBC Connection Pools, Data sources, JMS Servers.
Deployment and troubleshooting of JAR, WAR, and EAR files in clustered environment.
Configured WebLogic Cluster with Multicasting Heart Beat. Configured and maintained the services using LDAP server to provide the centralized user account administration. Worked with BIG-IP F5 load balancer.
Worked with Remedy change management tool to increase the availability of business-critical systems and speed the implementation of changes.
Resolved complex issues related to subsystems such as Plug-ins, Security, JDBC, Clusters, EJB, Web Apps, Mail Session, XML registries, JMS, Server and Domain Migrations and JDBC Drivers.
Ensure application dependencies are integrated on system level components such as database, Data Source Name (DSN), and Application Server connection pooling (DB2) including identification and documentation.
Managed the security and performance optimizations for EJB containers and web applications in IBM WebSphere, IBM HTTP Server & Apache web server.
Configured WebLogic Server instance as Multihome instance and troubleshooted Weblogic JDBC connection pool issues while trying to connect MS SQL database server
Working with the team to develop Jython/WLST Scripts for automating deployments, control, and monitoring in WebLogic Server
Installed and configured Apache HTTP Server plug-in to proxy the request from Apache HTTP Server to the WebLogic Server
Configuring SSL, Administrative Roles, Groups.
VISION LABS INDIA
MIDDLEWARE ADMINISTRATOR May 2012– Jun 2013
Environment: Weblogic 9.2, JBOSS, iPlanet4.1, Sun One6.1, Sun Solaris, Windows (95, 98, NT, 2000, XP), wily Introscope, Shell Scripting, Oracle 9i, Subversion, Oracle Weblogic, ANT, Maven, Jenkins, Perl Script, bash Shell scripting.
Install, Configure and Administration of BEA WebLogic Application Server on SUN Solaris and Windows environment.
Maintained BEA WebLogic Application Server on different UNIX platforms and have setup development, testing, staging and production environments for the ongoing application development.
Installed Weblogic servers, configured domains for deploying retail applications.
Installation, Configuring, troubleshooting and maintaining the Weblogic and Apache web server.
Installed MQ Series on the Solaris environment for the Development and Test environments.
Worked with the JVM Heap Memory & Permanent Heap Memory for the Performance Issue.
Installed and configured MySQL 4.1. * server and client for database management.
Handling and managing applications on Websphere, applications.
Involved in Creation of MQ resource objects like Queue, Listeners, and Channels etc
Configured BEA Weblogic 9.2 on a single Server and cluster environment.
Managed and Monitored JVM performance by Weblogic Heap Size, garbage collection, JDBC Pools.
Deployed WARs, EARs using WebLogic Admin Console as well as running scripts.
Provided WLST (Jython script) and configuring various WebLogic components/services via Jython script.
Responsible for Development, UIT, SYTEM, UAT, STAGING Builds and releases and 24*7 support.
Responsible for CI environments (Jenkins, Nexus, Sonar).
Responsible for design and maintenance of the Subversion (SVN) Repositories.
EDUCATION
Southern Illinois University Carbondale Carbondale, IL
Masters in Electrical and Computers Engineering
GPA: 3.029/4.0
ADDITIONAL SKILLS
Web/Application Servers
BEA/Oracle Weblogic Server 8.1/9.x/10.x/11g/12c, IBM WebSphere 6.1/7.0, SunOne iPlanet Web Server 6.1, Apache, Tomcat, JBOSS 4.x/5.x/6.x
Integrated development
Eclipse2.3, Rational Application Developer7.0, Microsoft Visual Studio
Databases
Oracle 8i/9i/10g/11g/12c, SQL Server/DB2
Build Tools
MAVEN, ANT
DevOps
Puppet, Chef, Subversion (SVN), GIT
Scripting Languages
WLST, python, Shell, Perl, ANT and Ruby Scripting.
Continuos Integration Tools
Jenkins/Hudson, Anthill Pro, Bamboo
Bug tracker & Testing
JIRA, Bugzilla, Redmine, Junit, CloudCheckr
Project Management Tools
MS Project, Atlassian Tools
Operating System
UNIX, Linux, HP-UX, Solaris, IBM, AIX and Windows NT/2000/XP
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