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Network Administrator Resume Profile

Summary:

  • Seven plus years of experience in the information technology discipline with extensive experience as OracleWebLogic 10.xadmin.
  • Expertise in operating systems Red Hat Enterprise Linux 4,5, SUN Solaris 8,9,10, HP-UX 11i v3, Windows NT 4.0 and IBM AIX 7.1.
  • Extensive experience in installing Java and Jrockit for OracleWebLogic 10.x in different operating systems.
  • Extensive experience in installing and configuring OracleWebLogic 10.xindifferentoperating environments.
  • Solid hands on experience in migrating and configuring OracleWebLogic from 9.x to 10.x in different operating systems.
  • Extensive experience in setting up domains in OracleWebLogic 10.xusing silent, graphic and script modes.
  • Expert on administrative tools such as administration console, WLST and command line interfacein OracleWebLogic 10.x.
  • Expert in creating, configuring and monitoring vertical and horizontal clusters including machines, administration servers and managed servers in OracleWebLogic 10.x.
  • Expert in creating and configuring node managers in OracleWebLogic 10.x.
  • Expert in configuring and administration of JDBC connection pools.
  • Expert in creating and configuring JMS connection factories in Oracle WebLogic 10.x.
  • Expert in deploying J2EE application archives JAR, WAR, EAR and RAR and OracleWebLogic 10.x.
  • Expertise in deploying J2EE components on OracleWebLogic 10.x application server.
  • Experienced in implementing other services like JTA, JNDI, virtual hosting and SNMP.
  • Routine experience in managing and monitoring JVM performance by WebLogic heap size, garbage collection and JDBC pools.
  • Strong experience in analyzing, trouble shooting and taking appropriate actions for application/web server errors and logs.
  • Proven skills in deployment of components, performance tuning, capacity planning, monitoring and troubleshooting WebLogic server issues in various environments.
  • Experience in tweaking JVM parameters, threads and size of connection pools.
  • Well experienced in load balancing, high availability and fail over functionality.
  • Demonstrated ability in installing and configuring Apache Webserver 2.4x and integrating with WebLogic.
  • Experienced in implementing Apache webserver URL mapping, directory indexing and performance tuning.
  • Experienced in managing Apache modules, multiple webservers and installing Apache web daemon on windows and Linux operating systems.
  • Experienced in installing and configuring Apache web server with JBoss 5,6 application servers.
  • Expertise in configuring a domain, deploying applications, configuring data sources, logging and web subsystems in JBoss 5,6.
  • Configured IBM MQ Series as a foreign JMS with WebLogic Server.
  • Experienced in migrating JBoss enterprise application 5 to JBoss enterprise application 6.
  • Skilled in configuring, deploying new applications, starting and stopping existing applications and finding memory leaks in Tomcat 5,6,7application servers.
  • Experienced in Installing, configuring and upgrading security managers such as Siteminder and directory servers such as Sun ONELDAP to provide agency centric authentications and authorizations.
  • Well experienced in providing dedicated 24/7-supportin production environments.
  • Quick learner and up-to-date with industry trends.
  • Team player, excellent customer relations and people management skills.
  • Strong analytical and problem solving skills and ability to work independently.

Technical Skills:

APPLICATION SERVERS

WebLogic 7.0/8.1/9.x/10.x, Tomcat 4.1/5.1, JBoss Application Server 5,6

WEB SERVERS

Apache HTTP Server, Sun ONE iPlanet 6.0, IBM HTTP Web Server, IIS server 5/6

OPERATING SYSTEMS

RHEL 4,5 UNIX, Solaris 8,9,10 , Linux 3,4 , IBM AIX 7.1, HP-UX 11i v3, Windows 2K/XP/2003/Vista/NT 4.0

TOOLS/UTILITIES

SiteMinder, TOAD, Eclipse3.0, Ant5, Test-Director, Wily Introscope

DATABASES

Oracle 8i/9i, 10G, SQL Server, MS Access

LANGUAGES

Java, SQL and PL/SQL, Visual Basic

WEB TOOLS AND LANGUAGES

JDB, WLST, XML, HTML

Experience:

Confidential

Position: Middleware Admin

Responsibilities:

  • Installed and configured Apache2.xand Sun ONE iPlanet 7, 8 web servers.
  • Installed, configured and administered WebLogic 10.x application server.
  • Developed shell scripts for automatic startup and shutdown of admin server and managed servers.
  • Created managed servers in a cluster with round-robin algorithm for load balancing.
  • Developed and maintained shell scripts that facilitate administration of OracleWebLogic10.x.
  • Configured and administered JDBC, JMS and JNDI in WebLogic server 10.x.
  • Performed J2EE application deployment and administration including JAR, WAR, and EAR files on multiple WebLogic Servers.
  • Maintained applications among WebLogic run-time processes in a cluster of application servers.
  • Maintained load balancing, high availability and fail over functionality.
  • Created user roles and groups for securing resources using local operating system authentication.
  • Involved in Performance tuning of WebLogic server with respect to heap, threads and connection pools.
  • Created and Configured WebLogic, JMS Servers, JMS Modules and Bridge to provide interoperability between WebLogic, JMS and IBM MQ Series.
  • Configured IBM MQ Series as a foreign JMS with WebLogic Server.
  • Troubleshooting in WebLogic Server connection pooling and connection manager with Oracle, DB2.
  • Profiled Java applications using JProbe to trouble shoot issues with applications.
  • Helped in maintaining queue managers and MQ Objects.
  • Installed, Configured and Used Apache Tomcat 5.5/6.0 and Spring Source Tomcat
  • Created Cronjob scripts for timely running jobs.
  • Set up WebLogic domain with a single server instance for developers on their windows machines.
  • Involved in check-in and checkout code/configuration file with the help of IBM ClearCase.
  • Installed configured and administered JBoss 4.x/5 and integrated Apache Web Server to work with the application server.
  • Created administration and managed server clusters in JBoss 4.x/5.
  • Integrated Jboss application server with database sources.
  • Deployed and undeployed both Jboss services and custom applications.
  • Upgraded and migrated JBoss 4.x to JBoss 5 server connected with data sources and deployed applications.
  • Co-ordinate with QA testing team in creating and assigning defects in HP Quality center.
  • Supported on call schedule for production support.
  • Configured realms in site minder.

Environment:

WebLogic Server10.x, JBoss 4.x/5, IBM MQ Series, Solaris, AIX, Windows 2KJDK1.4,J2EE, Jrockit8.1, Apache Tomcat 5.5/6.0, JSP, Servlets, EJB, LDAP, JDBC, XML, Oracle9i, Ant1.5.1, CVS and CM Synergy, IBM ClearCase.

Confidential

Position: Middleware Admin/ JBoss Admin

Responsibilities:

  • Installed and configured Apache webserver 7, 8 and Oracle 9i database to work with WebLogic server 8.1.
  • Performed WebLogic administration tasks such as installing, configuring, monitoring and performance tuning.
  • Installed and Configured JBoss application Server 4.3.
  • Deployed various WAR, JAR, and EAR applications in clustered environments.
  • Configured and administered JDBC, JMS, JNDI, and SNMP on WebLogic Server 8.1.
  • Deployed applications on multiple WebLogic servers and maintained load balancing, high availability and fail over functionality.
  • Deployed different types of applications like WAR, JAR and EAR files in Weblogic 8.x/10.x and JBoss 4.3.
  • Integrated JBoss application server with database sources
  • Configured clustering of EJB objects, JDBC connections and JMS connection factories.
  • Monitored the database data tables and error tables , WebLogic error log files and application error log files to track and fix bugs.
  • Developed scripts with WLST to auto create domains and configuration in Test / Pre-Prod / Production environments.
  • Installed, Configured and Used Apache Tomcat 4.1/5.5/6.0.
  • Performed and automated application migrations and deployments using CYS, Ant, log4j.
  • Configured and created JMS queues and topics, data sources, bridges and connection pools and multi connection pool.
  • Installed Jboss web server 1.x and configured with Jboss EAP 5.0 for load balancing.
  • Created SSL certificates for Weblogic 9.2 Jboss 5.x/4.x.
  • Configured JDBC and JMS Queues in Weblogic 9.2/10.3, Jboss 4.2/5.0.1 EAP
  • Created Crontab scripts for timely running jobs.
  • Configured LDAP using Netscape directory server for user authentication.
  • Configured node manager for administration of managed servers and administered connection pools for JDBC connections.
  • Involved in database connectivity using JDBC database and connection pools.
  • Managed and monitored JVM performance by WebLogic, heap size, garbage collection and JDBC Pools.
  • Configured and created JMS queues and topics, data sources, bridges, connections pools and multi connection pool.
  • Developed scripts start, stop, backup recovery processes for web application server administration.
  • Involved in research and troubleshooting of emerging application issues, from WebLogic configuration to code issues.
  • Configured Active MQ 5.0 to use JMS Queues in environment hosting SJSAS 9.1 application server.
  • Developed ANT build scripts, UNIX shell scripts and auto deployment processes.
  • Developed scripts for automatic startup and shutdown of admin server and managed servers.
  • Provided 24/7 on call production support.

Environment:

JDK 1.4, J2EE, JDBC, JMS, SNMP, WebLogic server 8.1/7.0,JBoss 4.x, Apache Tomcat 4.1/5.5/6.0,Source forge iPlanet 5.1 Sun ONE, Oracle 9i, Ant 5.1, UNIX, Windows NT, HP-open view 6.0 Solaris.

Confidential

Position: WebLogic Admin

Responsibilities:

  • Performed Weblogic Server administration tasks such as installing, configuring, monitoring and performance tuning.
  • Responsible for Load balancing and Performance tuning for various WebLogic Instances.
  • Created domain configuration scripts to configure new domains, modify existing domains.
  • Configured clusters, server groups and cloning for improved availability and failover capacity.
  • Created and configured data sources for database connectivity.
  • Created JMS resources.
  • Performed J2EE application deployment and administration including JAR, WAR, and EAR files.
  • Converted and automated builds using Ant. Scheduled automated nightly builds using cruise control.
  • Configured users, groups and global roles.
  • Configured global security in WebLogic using LDAP authentication.
  • Developed UNIX WLST scripts to perform automated deployments.
  • Created Crontab scripts for timely running jobs, performed thread analysis and performed heap analysis.
  • Analyzed thread dump heap dump for WebLogic application server.
  • Involved in periodic backing up of configuration files.
  • Performed system administrator level duties such as adding/deleting users, regularly monitoring user level activity, checking system logs and monitoring system performance.

Environment:

WebLogic 8.1, Java, JVM, JDBC, JMS, Samurai, EJBs, Oracle 8i, DB2, Shell Scripting, UNIX and Linux.

Confidential

Position: Web Logic Administrator

Responsibilities:

  • Provided support for production, development, testing and staging environments.
  • Installed, configured, performed troubleshooting and maintenance of WebLogic 7.0/8.1 and Apache web server.
  • Configured JDBC resources, data sources and bound to J2EE applications, configured connection pools for various data sources.
  • Deployed applications on multiple WebLogic servers and maintained load balancing, high availability and fail over functionality.
  • Created connection pools, various data sources, JMS connection factories, Queues and topics.
  • Configured and executed threads, connection pools and JMS bridges for different components of the system.
  • Responsible for Akmai cash in staging and production.
  • Managed and monitored JVM performance by WebLogic heap size, garbage collection, JDBC Pools.
  • Developed scripts start, stop, backup recovery processes for web application server administration.
  • Was responsible for application changes across different platforms and production environments.
  • Involved in 24/7 support for production environment.

Environment:

SUN Solaris 2.x, Weblogic 8.1 Application Server, iPlanet4.1, Sun ONE 6.1, IIS 6.0, Windows 95,98, NT, 2000, XP , Linux, Shell Scripting, Oracle 9i.

Confidential

Position: Assistant Network Administrator

Responsibilities:

  • Involved in analysis and design of system architecture.
  • Involved in advanced performance monitoring and tuning of WebSphere.
  • Developed servlets for main business logic implementation.
  • Developed Java applets using JDK, Java Swing.
  • Set up contract, save contract pages were developed using Grid bag layout, JTable, JTree and Node classes for saving and entering contract.
  • Developed, debugged various applets, developed dates and notices page Using Gridbag layout, Hash maps, Hash tables, Lists, Iterators.
  • Designed and developed two types of session EJBs and persistent entity EJBs.
  • Designed the system by writing specifications, development, testing and support.
  • Designed and developed user interface using Java Swing, Jbuilder.
  • Interacted with clients to study requirements, modifications, analysis, and design, coding, and testing.
  • Used JDBC, JNDI for connection pooling, Java Oracle, JSP for presentation and servlets to process validate and transit data between the server and the client.

Environment:

J2EE, Servlets, JSP, WebSphere, EJB, Java Swing, XML, HTML, DHTML, JDBC, JNDI, Rational Rose, AWT, JDK, CVS and Oracle.

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