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Sr. Middleware /f5 Administrator Resume

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SUMMARY:

  • Expertise in Installation, Configuration, Trouble - Shooting and Maintenance of BEA Weblogic Server 9.x/10.x/11g/12c, JBoss, Tomcat and Apache Web Server on different UNIX flavors and environments.
  • Experience in setting up environments on BIP-IP/F5 load balancer for high availability.
  • Good working experience in configuring VIP, Pools, members and profiles on F5 load balancer.
  • Good understanding on architecture of LTM and GTM load balancers.
  • Installed, Configured and Administered BEA Weblogic Server in various Window, Linux, and Solaris environments.
  • Experience in installing, configuring and trouble-shooting Apache Webserver on Linux platform or Solaris platforms.
  • Experience in Tomcat 6.x/7.x/8.x
  • Experience in Administration, installation, configuration and tuning for Jboss application server.
  • Extensive experience in finding Memory Leaks and adjusting JVM Heap Sizes.
  • Extensive experience in setting up multiple Domains, including Machines, Managed servers, Node managers across Clustered WebLogic environments.
  • Deployed various WAR, JAR, EAR, RAR applications in clustered environment using Admin console, Shell scripts & WLST scripts for WebLogic and using CLI for Jboss.
  • Experience on both stand-alone server and clustered environments for Weblogic Server Administration.
  • Experienced in writing WLST scripts to automate admin tasks
  • Good working experience in server side java programming using J2EE technologies- Servlets, Applets, JSP 1.x, JDBC, RMI, JDNI, EJB
  • Monitored server resources using Splunk, ScienceLogic and Appdynamics monitoring tools.
  • Experience in configuring Tomcat JDBC Connection Pool in various environments.
  • Configuring and installing JDBC drivers and providers and testing the established connections for Jboss and WebLogic servers.
  • Experience in setting High Availability and clustering for Weblogic domains.
  • Good experience on creating dashboards and alerts to monitor the server logs on Splunk tool.
  • Configured and setup Secure Sockets Layers (SSL) for data encryption and client authentication
  • Documenting the activities performed or issues resolved for future references.
  • Experience in configuring and administration of connection pools for JDBC and JMS connections.
  • Knowledge on Confidential ESB tool.
  • Experience in Installing and Configuring LDAP Server and integrated with Weblogic Application Server.
  • Knowledge of different Databases like Confidential, MSSQL, apart from setting up and integrating them with application servers
  • Integrated Apache webserver with Weblogic servers using plugins.
  • Experience in installing and configuring Confidential HTTP Web server 2.0
  • Working knowledge of IBM MQ Series, Siteminder
  • Proven technical skills in Troubleshooting, Performance Tuning and Performance Monitoring of Weblogic Server
  • Provided on call support for development and production teams.
  • Extensive usage of Verbose GC for JVM monitoring in performance tuning.
  • Having good understanding on Garbage collection and performance tuning of Garbage collection.

TECHNICAL SKILLS:

Application Servers: Weblogic 9.x/10.x/11g/12c, Jboss 6x,7x

Web Servers: Apache HTTP Server, Tomcat, Sun One (iPlanet) 6.0/ Sun One, IBM HTTP Web Server, IIS server(5/6)

Operating Systems: Unix, Solaris (8, 9, 10), Linux, IBM AIX, Windows 2003/XP/7

Tools: /Utilities: BIP-IP/F5 load balancer, BMC Patrol, SiteMinder, TOAD, Sun N1, Eclipse3.0, BladeLogic Automation Tool, ScienceLogic, Splunk, Wiley Introscope, JRockit Mission Control, Devops, Load balancing, SQL Developer, Cruise Control, JIRA, Wiki, Lunt Build, Confidential ESB

Databases: Confidential 8i/9i,10G, DB2, MYSQL SERVER, MS Access

Languages: C++, Java, SQL, PL/SQL

Scripting Languages: JSP, Servlets, Java Script, WLST, Python, Jython, XML, HTML, Shell Scripts.

PROFESSIONAL EXPERIENCE:

Confidential

Sr. Middleware /F5 Administrator

Environment: Weblogic server 11g, Jboss application server, Apache Web Server 2.2, Tomcat, BIP-IP load balancer, JDBC, Confidential DB, ScienceLogic monitoring tool, Appdynamics, Splunk, JNDI, J2EE, JMS, SSL, JSP, Servlets, WLST, Unix Shell Script and Service Now ticketing tool.

Responsibilities:

  • Supported Weblogic server 11g and Jboss domains for development and testing environments on Solaris and Linux platforms.
  • Configured and monitored application and server’s performance on monitoring tools like ScienceLogic, Appdynamics and Splunk.
  • Configured VIP’s, pools and members for projects on F5 load balancer.
  • Importing certs on F5 and adding certificates to SSL profiles.
  • Creating and configuring Irules as per the project requirements and application workflow.
  • Installed and configured Apache 2.2 and Tomcat for internal project tools.
  • Requesting Firewall and DNS changes and validating once the changes are completed.
  • Providing access to the developers for server and admin console on newly build domains.
  • Coordinating with teams for patching and upgrade activities.
  • Setting up WebEx calls to triage the issue and working with development teams to solving the issues.
  • Assisting dev teams for Fixing day-to-day problems of the applications on 24/7 schedule.
  • Communicating with the management and development teams to update the status of activities going on in the project.
  • Fine tuning the JVM’s by testing various java and GC arguments to increase the performance of application server.
  • On call support on weekends for any patching activities.
  • Coordinating with offshore team and providing project activity updates.
  • Troubleshooting and providing solutions for the applications in development and testing phases.
  • Worked with Testing and performance teams to ensure the workflow and performance is satisfactory after every deployment.
  • Wrote scripts for maintenance of servers like clearing old logs, temp space and war files.
  • Worked on shell scripts to monitor the server’s health.
  • Deployed different Java J2EE applications like WAR, JAR and EAR on both stand alone and clustered environment of WebLogic and Jboss servers.
  • Configured and administered JNDI, JDBC Connection Pools, Multi Pools and Data Sources on Weblogic Server.
  • Worked with SSL team to get the public/private certs based upon the project requirement.
  • Analyzed the parameters of garbage collection and Heap size for performance tuning of JVM.
  • Analyzed Heap Dump to find memory leak and big objects for the JVM’s having out of memory issues using MAT tool.
  • Wrote Shell scripts, CLI scripts and WLST scripts for the automatic startup and shutdown, backup and recovery process of managed servers.
  • Executing DB scripts on TOAD and SQL tools after the deployments.
  • Involved in Configuration management, Change management, Performance monitoring and Application maintenance.
  • Involved in setting up the disaster recovery(DR) environments.
  • Suppressing alerts for any maintenance or planned outages.

Confidential

Sr. Weblogic/Apache/ Confidential Middleware Administrator

Environment: BEA Weblogic 10.x/11g/12c, BIP-IP Loadbalancer, Confidential SOA suite 11.1.1.6, Tomcat 5.x/6.x, Confidential 9i/10g, Solaris 10, Oracl ESB, LINUX, Devops, Sun ONE Directory Server 6, SunOne Webserver 6.0, Apache 2.x, Jython, ANT, AWK, IIS, Confidential Access Manager 11.1.1.5, LDAP.

Responsibilities:

  • Administration, maintenance, support and scaling of Application Servers (Weblogic and Jboss).
  • Worked as Administration, installation, configuration and tuning for Confidential SOA suite.
  • Experience in setting High Availability and clustering for SOA suite.
  • Configured and monitoring for high availability of servers from BIP-IP/F5 loadbalancer
  • Experience in deployment in SOA suite with Stage, No-stage, External stage modes.
  • Created repositories using RCU (Repository Creation Utility).
  • Worked on Jrockit, Weblogic, SOA suite, Confidential Access Manager, Web Tier and Web gate in GUI, Console and Silent mode.
  • Performed installation, deployment and supported with http/https web servers using OHS, Apache HTTPD2.x and J2EE application Server Weblogic.
  • Installed, Configured and administered of Confidential Weblogic Server, and Web servers like Apache, iPlanet, IIS in Development, Test and Production Environments. and Used HP Opsware to build the servers.
  • Worked on upgrading the environment from Weblogic 10.0MP2 to 10.3.6.
  • Deployed applications (WAR, JAR and EAR) using WLST, Anthill, Sun N1 Service Provisioning System.
  • Installed and Configured Apache Web Servers, as a proxy plug in for Weblogic Server
  • Maintained Load balancing, high availability and Fail over for the servers.
  • Installed and Configured OHS, iPlanet and IIS Plug-ins for Weblogic.
  • Configured and created JMS queues & topics, Connection Factories, Data sources, bridges & connections pools & multi connection pool.
  • Performance tuning/troubleshooting and in depth WLST Scripting knowledge for performing regular tasks.
  • Installed BEA patches using Smart Update tool and troubleshooting application and post-installation issues.
  • Analyzed the parameters of garbage collection and Heap size for performance tuning of JVM.
  • Used BMC Remedy and service now to generate problem tickets.
  • Installed and Configured Wily Introscope and JProbe to monitor Weblogic servers.
  • Worked with Web-based applications, SOA and Web application servers.

Confidential

Weblogic/Tomcat Administrator

Environment: Weblogic Server 9.x/10.x, Apache Tomcat 6.x, UNIX, Apache Http Server 2.x, Apache Web server plug-in, Sun one web server plug-in, Netscape Directory Server, SSL, JDK 1.x, Confidential, J2EE, JDBC, JMS, EJB, JSP, Servlets, Secure SSH, ANT, and WLST.

Responsibilities:

  • Installation and configuration of Weblogic server 9.x/ 10.x on production environment.
  • Node Manager Configuration - remote managed server start and stop. SSL communication between admin server and node manager
  • Configured cluster (horizontal and vertical) for high availability, failover and load balancing.
  • Configured JDBC connection pools, multi pools and data sources.
  • Configured JMS server, JNDI, connection factory, migratable targets and persistent storage.
  • Deployed J2EE applications like WAR, JAR and EAR applications.
  • Responsible for performance tuning of JVM.
  • Analyzed thread dumps for memory leakage and garbage collection parameters for performance tuning of JVM.
  • Knowledge of installing, configuring and administration of Apache HTTP 2.0 Web Server and Tomcat 6.1
  • Configured with standalone Managed Servers and Clusters of managed servers on Tomcat 6.1
  • Worked as a system admin for UNIX (specifically Solaris) and Windows servers
  • Administration of active applications which monitor the application server including installation of plug-ins for Apache Webserver.
  • Implemented User, Groups and roles in LDAP directory server using Netscape directory server
  • Developed Crontab scripts for timely running jobs and provide server status.
  • Wrote Shell scripts, Ant scripts and WLST scripts for the automatic startup and shutdown, backup and recovery process, and health monitoring of Weblogic servers.
  • Configured SSL for secured communication between applications
  • Configured Apache Http Server 2.x to proxy requests to Weblogic Server by installing Web Server Plug-In.
  • Worked as primary for P1 issues and closing with in SLA’s.
  • On-call support in Weekends.
  • Respond to escalated user issues in a timely and effective manner.
  • Log files analysis for troubleshooting and provide RCA.
  • Application Deployment (WAR, JAR, EAR) in Domain and Clustered environments
  • Confidential database used as primary relational database
  • Support for BPEL environment.
  • Installation and configuring of OBIEE environment.
  • Creation of DB Schemas and DB tables.
  • Analyze the issue after detailed troubleshooting of the alert and make sure that the issues are fixed & the alerts are cleared as per SLA.
  • Updating the activities on wiki pages with detailed instructions and sharing among the team mates,
  • Providing the status updates for the tasks assigned every week.

Confidential

Middleware/Weblogic Administrator

Environment: BEA Weblogic 10.x/11g/12c, BIP-IP Load balancer, Confidential SOA suite 11.1.1.6, Tomcat 5.x/6.x, Confidential 9i/10g, Solaris 10, Confidential ESB, LINUX, Bladelogic Tool, Sun ONE Directory Server 6, SunOne Webserver 6.0, Apache 2.x, Jython, ANT, AWK, IIS, LDAP.

Responsibilities:

  • Install, configure and administer BEA Weblogic Server 10/11g in various environments
  • Involved in migration of the server from Weblogic 10g to 11g
  • Installation, changing the configuration settings, building and deploying services, monitoring in BEA AquaLogic Service Bus
  • Used Confidential Service Bus as an SOA integration platform for managing interactions between heterogeneous services and ESB instances across the enterprise wide service network.
  • Extensive experience in using Confidential Application Integration Architecture Foundation Packs to create business processes across applications, control and visibility over the business process integrations and strategic transformation
  • Involved in developing portals including J2EE library file configuration, custom controls in page flow and visitor tools configuration
  • Experience in handling Java and Sun HotSpot JVM tuning
  • Involved in configuration management, software deployment, change management, performance monitoring, and application maintenance.
  • Used configuration wizard and Admin Console extensively to create and manage Weblogic domains.
  • Deployed the applications like formats of WAR, JAR, and EAR in Weblogic 10g.
  • Configure and administered of JDBC, JMS, JNDI, SNMP in Weblogic Server
  • Install, configure and administered of Bea Weblogic Server in various environments
  • Installed fix packs to overcome Application server problems.
  • Involved in managing releases of products from development to QA to Pre-Production and Production.
  • Deployed J2EE Application using BladeLogic automation tool.
  • Assembled and Deployed the application in staging and in productions following change management practices and 24/7 support, worked in shifts.
  • Involved in deploying the EAR files and scripting automated deployment of the applications.
  • Involved in security for enterprise class Java based Application Server.
  • Upgraded the existing Java version from 1.6 versions to 1.7 on all pre-prod and prod environments.
  • Involved in trouble shooting and Performance tuning using Resource analyzer and log analyzer.

Confidential

WebLogic Administrator/Support

Responsibilities:

  • Installed and Configured WebLogic 10g Application Servers/WebLogic Integration, Domains, Clusters on AIX, Solaris and wrote shell scripts for automation of WebLogic startup, and for log maintenance.
  • Worked on database exports and imports of schemas and tables on scheduled maintenance.
  • Tuned the TCP-related parameters in Operating System Level to improve system performance and reduce dropped connections.
  • Configured and maintained WebLogic server with JDBC Connection Pool, JMS, JNDI, SNMP and J2EE Services.
  • I used to interact with Development Teams for Application Architecture changes, with respective to WebLogic configurations.
  • Developed and maintained shell scripts that facilitate the Administration of BEA WebLogic.
  • Troubleshooting, Load balancing, Testing and Code Profiling to measure the performance of the various applications deployed in WebLogic Server.
  • Developed many shell scripts to automate the maintenance process of the WebLogic and recover the backed up WebLogic configuration.
  • Involved in assisting QA team in Load and Integration testing of J2EE applications on WebLogic Application Server.
  • Supported on call 24/7 for Production support.
  • Configured SSL (Secure Sockets Layer) and obtained digital certificates, private key for WebLogic server to provide secure connections.
  • Installed, Configured Splunk, and created Dashboards for different domains.
  • Worked on Upgrading Wily Introscope 7.2.5 to Wily 8.2.3.
  • Worked in deploying and managing / administering Weblogic based applications (Apache, Tomcat, and JBOSS).

Environment: WebLogic Server, Wily Introscope, Sun One, J2EE, Web Services, LDAP, EJB, JDBC, XML, AIX, Solaris, Windows, SQL Server.

Confidential

Middleware/Weblogic Administrator

Environment: Solaris10, Weblogic server 8.1/9.2/10.1, DB2, Oracle9i, Mercury7, Apache, Sitescope, HP open view, IBM Http server, IBM AIX server, web services, LDAP, JDK 1.4.2, SOA, JSPs, Remedy, EJBs, JMS, BEA Tuxedo 9.1/8.0, JVM, JDBC, Load runner, LDAP

Responsibilities:

  • Install, configure and administer BEA Weblogic Server 10.1/9.2/8.1 in various environments
  • Involved in migration of the server from Weblogic 8.1 to 9.2/10x
  • Installation, changing the configuration settings, building and deploying services, monitoring in BEA AquaLogic Service Bus
  • Used Confidential Service Bus as an SOA integration platform for managing interactions between heterogeneous services and ESB instances across the enterprise wide service network.
  • Extensive experience in using Confidential Application Integration Architecture Foundation Packs to create business processes across applications, control and visibility over the business process integrations and strategic transformation
  • Involved in developing portals including J2EE library file configuration, custom controls in page flow and visitor tools configuration
  • Experience in handling Java and Sun Hotspot JVM tuning
  • Involved in configuration management, software deployment, change management, performance monitoring, and application maintenance.
  • Used automation scripts to create and manage Weblogic domains.
  • Deployed the applications like formats of WAR, JAR, and EAR in Weblogic.
  • Configure and administered of JDBC, JMS, JNDI, SNMP in Weblogic Server
  • Install, configure and administered of Bea Weblogic Server 8.1 in various environments
  • Installed fix packs to overcome Application server problems.
  • Involved in managing releases of products from development to QA to Pre-Production and Production.
  • Deployed J2EE Application in WebSphere managed servers.
  • Assembled and Deployed the application in staging and in productions following change management practices and 24/7 support, worked in shifts.
  • Involved in deploying the EAR files and scripting automated deployment of the applications.
  • Involved in security for enterprise class Java based Application Server.
  • Migrated the existing applications from WebSphere 6.0 versions to 7.0 using waspreupgrade and waspostupgrade tools.
  • Involved in trouble shooting and Performance tuning using Resource analyzer and log analyzer.
  • Installed and Configured WebLogic 8.1 Application Servers/WebLogic Integration, Domains, Clusters on AIX, Solaris and wrote shell scripts for automation of WebLogic startup, and for log maintenance.
  • Tuned the TCP-related parameters in Operating System Level to improve system performance and reduce dropped connections.
  • Configured and maintained WebLogic server with JDBC Connection Pool, JMS, JNDI, SNMP and J2EE Services.
  • I used to interact with Development Teams for Application Architecture changes, with respective to WebLogic configurations.
  • Developed and maintained shell scripts that facilitate the Administration of BEA WebLogic.
  • Troubleshooting, Load balancing, Testing and Code Profiling to measure the performance of the various applications deployed in WebLogic Server.
  • Developed many shell scripts to automate the maintenance process of the WebLogic and recover the backed up WebLogic configuration.
  • Involved in assisting QA team in Load and Integration testing of J2EE applications on WebLogic Application Server.
  • Supported on call 24/7 for Production support.
  • Configured SSL (Secure Sockets Layer) and obtained digital certificates, private key for WebLogic server to provide secure connections.
  • Installed, Configured Wily Introscope 8.2.3, and created Dashboards for different domains.
  • Worked on Upgrading Wily Introscope 7.2.5 to Wily 8.2.3.
  • Worked in deploying and managing / administering Weblogic based applications (Apache, Tomcat, and JBOSS).

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