System Administrator Resume
SUMMARY
- Having 10+ years of professional work experience in WebSphere, WebLogic, and Tomcat Administration and Application development in JAVA/J2EE technologies.
- Extensive experience in installation, configuration and administration of WebSphere Application Server v8.0, 9.0 and WebLogic Application Server 10.3.6, 12c, Apache 2.2, 2.4, IPlanet, IHS, Jboss, Websphere MQ, Tomcat 8.0, Content Navigator 2.3.
- Experience in Load Balancing, Work Load Management (WLM), Fail over, clustering including Horizontal and vertical clustering.
- Experienced in configuring SSL for HTTP servers and Application servers, webserver integration with application server through plugin configuration.
- Involved in troubleshooting and resolving problems encountered in WAS and Application during run time of the environment.
- Provided support on demanding 24x7 on - call supports for applications running in production environment on WebSphere Application servers.
- Hands-on involvement in building deployment and testing pipelines, automated provisioning of cloud infrastructure and support services using Jenkins, maven, GitHub.
- Good Exposure to Amazon web services (AWS) EC2, EC2 Containers, Elastic Beanstalk, S3, Cloud Watch, Auto scaling policies.
- Extensive exposure to JAVA, J2EE, JSP, JDBC, Servlets, Struts 1.2, Spring Framework.
- Exposure in Service Oriented Architecture (SOA) such as Web Services including SOAP, WSDL environment administration.
- Proficient in Java/J2EE Design Patterns including singleton, command, Model View Controller (MVC).
- Good Exposure in Hadoop 1.x, Hive and Oozy.
TECHNICAL SKILLS
Web/App servers: WebSphere 7.x/8.x/9.x, WebLogic 10.x/12.x, Jboss 6.1, Apache 2.2/2.4, IBM HTTP Server 7.x/8.x/9.x, Cognos Analytics 11.x, Info sphere Information server 11. x
Operating Systems: Linux, Solaris, Windows
Tools: Servicenow, Jenkins, putty, winscp, SoapUI, Toad,, Ipcenter tracking tool, Hibernate, QuickCM, Site minder, LDAP, My Eclipse, Jenkins
Monitoring Tools: OEM12c, JRockit Mission Control
Web Technologies: Servlets, JSP, J2EE, JDBC, Hibernate, Hadoop, Hive, Sqoop
Frameworks: Struts, Spring MVC
Fusion Middleware Stack: Oracle Service Bus and Enterprise Manager
Database: Oracle, MYSQL 5.0.1
Scripting Languages: JavaScript, Python, WLST, ansible
Domain Skills: Infrastructure, Banking, Telecommunications and Retail
PROFESSIONAL EXPERIENCE
Confidential
System Administrator
Responsibilities:
- Responsible for setup, Installation and Administration of IBM WebSphere Application server 8.x/9.x and IBM HTTP Server 8.x/9.x, Weblogic Application server 10.x/12.x, Tomcat 8.0.30, Apache 2.2/2.4.
- Worked on integrating various Web Servers with application servers including: IHS Web Server to communicate with WebSphere Application server by configuring the Web Server plug-in, Apache webserver integration with tomcat generating connectors explicitly, Apache webserver integration with WebLogic.
- Supported application teams for the application issues and configuration issues during new environmental build.
- Responsible for installing Cognos 11.x, Infosphere 11.x, MQ 9.x, configuring SSL and upgrading the environment and providing support for Application teams.
- Responsible for implementing latest software and fix packs for WebSphere Application Servers and WebLogic application servers.
- Tune database resource configurations including connection pooling, timeouts, etc.
- Handling incidents of different priorities and change requests raised by the application teams related to middleware which includes application changes and SSL cert installations.
- Troubleshooting issues related to WebSphere/WebLogic Server/Tomcat/Apache/Cognos/Infosphere/Content Navigator.
- Importing SSL certificates on Webservers and Application Servers.
- Supporting Application teams in Load Testing activities providing the status of servers and helping them in analyzing Thread and Heap dumps provided.
- Worked on day to day tasks of WebSphere such as Security, Session Management, Web Server Plug-ins, and Federated LDAP Repository configuration.
- Documenting the addressed issues and New Environment details in shared location.
- Supporting OS upgrade/patch activities for all the environments.
- Worked on Continuous integration automation pipeline by creating jenkin jobs adding Maven and Github plugins to Jenkins.
Confidential
System Administrator
Responsibilities:
- Responsible for setup, Installation and Administration of IBM WebSphere Application server 6.x/7.x/8.x and IBM HTTP Server 6.x/7.x/8.x, Weblogic Application server 10.x/12.x, Tomcat 8.0.30, Apache 2.2/2.4.
- Worked on integrating various Web Servers with application servers including: IHS Web Server to communicate with WebSphere Application server by configuring the Web Server plug-in, Apache webserver integration with tomcat generating connectors explicitly, Apache webserver integration with WebLogic.
- Supported application teams for the application issues and configuration issues during new environmental build.
- Responsible for implementing latest software and fix packs for WebSphere Application Servers and WebLogic application servers.
- Tune database resource configurations including connection pooling, timeouts, etc.
- Handling incidents of different priorities and change requests raised by the application teams related to middleware which includes application changes and SSL cert installations.
- Troubleshooting issues related to WebSphere/WebLogic Server/Tomcat/Apache.
- Importing SSL certificates on Webservers and Application Servers.
- Supporting Application teams in Load Testing activities providing the status of servers and helping them in analyzing Thread and Heap dumps provided.
- Worked on day to day tasks of WebSphere such as Security, Session Management, Web Server Plug-ins, and JDBC Providers.
- Documenting the addressed issues and New Environment details in shared location.
- Supporting OS upgrade/patch activities for all the environments.
- Worked on Continuous integration automation pipeline by creating jenkin jobs adding Maven and Github plugins to Jenkins.
Environment: IBM WebSphere Application server 6.X/7.X/8.X, IBM HTTP Server 6.x/7.x, Oracle WebLogic server 11g, Jboss 6.1, Apache HTTPD 2.2/2.4, Sun Java Webservers 7.0.22, Tomcat 8.30, Jenkins, Maven, Github
Confidential
System Administrator
Responsibilities:
- Configuration of WebSphere Application Server resources like Data Sources, JDBC Providers and Connection Pooling to connect to the DB2.
- Installed and Configured the Web Server plug-in to connect to WebSphere Application Servers.
- Creating Dynamic Clusters, Deployment Environments.
- Perform everyday WAS system administration functions for database, Web Sites, Application deployments, security and other services.
- Performed root-cause analysis for Production outages and provided management with analysis reports.
- Tune WebSphere/WebLogic heap size parameters for better performance.
- Performed root-cause analysis for Production outages and provided management with analysis reports. Configured Cluster, connection pooling, Database settings.
- Deployments of .jar, .ear, .war files on WebSphere/Web logic Server Domain and Cluster environment.
- Configured JMS Servers, Queues, Topics, JDBC Data Source, Persistence stores.
- Troubleshooting issues related to Web logic/Web sphere Server.
- Importing SSL certificates on Webservers and Application Servers.
- Supporting Application teams in Performance Testing activities providing the status of servers and helping them in analyzing Thread and Heap dumps provided.
- Providing weekly on call support addressing the issues and providing the resolution.
- Documenting the addressed issues and New Environment details.
- Installing fix packs/patches for WebSphere/WebLogic server.
- Supporting weekend OS upgrade/patch activities in the environment.
- Worked with IBM on problem determination, troubleshooting, and resolution by raising PMRs.
- Tracing the WSDL requests using SOAP UI and bringing the services up on time.
Environment: WebSphere 6.x/7.x, WebLogic 11.x, Jboss 6.1, Apache HTTP Server 2.2.24, WSDL, JMS, Linux, WSLT scripts, LDAP, Siteminder
Confidential
Middleware Administrator
Responsibilities:
- Responsible for setup, Installation and Administration of IBM WebSphere Application server 6.x/7.x and IBM HTTP Server 6.x/7.x and Tomcat 7.x
- Monitoring the health status of the environment and handling alerts on priority.
- Involved in performance tuning and troubleshooting application server issues in PROD & non PROD environments.
- Configuring web agent for web servers for providing SSO level authentication.
- Resolving sev 1 issue by attending bridge calls for addressing the issue with in SLA.
- Supported Database and UNIX team for DB patch installation and OS upgrade activities done in Answers environment.
- Automated the server build and deployment process through WLST scripts
- Configuration of WebSphere Application Server resources like Data Sources, JDBC Providers, and Connection Pooling in order to connect to DB2 databases.
- Involved in the deployment, configuring Data source, session parameters and performance tuning of Websphere/WebLogic servers.
- Providing support for weekly server roll over and addressing the issues encountered.
- Supporting web server instances of many teams which are integrated with our application.
- Creation and updating of technical and issue resolution documents.
- Supporting development and QA teams for addressing environmental issues and performance testing monitoring.
- Involved in code enhancement activities for on time project delivery.
- Have done Unit testing for the same and participated in daily status calls for the status updates.
- Participated in Integration testing activity supporting QA team.
- Involved in peer code review to meet the standards and sending weekly status reports of the changes done for the week.
- Involved in supporting development teams to trace and configure the endpoints.
Environment: WebSphere, WebLogic server, SOA Fusion Middleware 11g, OSB, oracle, winscp, mremote, Siteminder, LDAP, J2EE, Spring MVC, Eclipse, WLST scripts
Confidential
System Administrator
Responsibilities:
- Configuring wsdl endpoints in Oracle service Bus for the application environment.
- Automated the Domain build using WLST scripts
- Configuring JDBC, Data source/connection pool.
- Involved in the performance tuning of web logic server.
- Tracing out WSDL requests from various environments.
- Requesting and maintaining of Database activities.
- Configuring endpoints in Soap UI and tracking appropriate responses for the wsdl requests in all the pre-production environments.
- Involved in the deployment of the application.
- Taking the thread dumps and analyzing the issues.
- Creation and updating of technical documents.
- Monitoring the health status of the application and environment.
- Participated in the root cause analysis of issues, which are generated during the usage of application.
- Participated in Firewall implementation and emergency bridge calls.
- Supported Database team for DB patch installation.
Environment: WebLogic server 10g, Websphere 6.x, SQL server, winscp, soapUI, putty, Oracle Service Bus, and Concept wave tool, Designer tool, BMC Remedy
Confidential
System Administrator
Responsibilities:
- Perform everyday WLS system administration functions for database, Web Sites, Application deployments, security and other services
- Release and deployment of application into Test Environments
- Managing system resources by constant monitoring of the processes and log file
- Troubleshooting and administration of Web logic servers
- Involved in cluster configuration.
- Having Good knowledge in SSL.
Environment: Web logic 9.1/10.2, J2EE, Toad, BMC Remedy, Winscp, putty connection manager
