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Sr. Weblogic Administrator Resume

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Newark, NJ


  • Ten years of experience in the IT industry, with almost 6 years in WebLogic Server Administration.
  • Experienced in Installation, Administration, Configuration, Load Balancing, Maintenance, Performance Tuning, Application Deployment & Troubleshooting for WebLogic Server (8.1, 9.2 & 10.3)
  • Installed, Configured and Administered Domains, Managed Server, Node Manager in a vertical and horizontal clusters.
  • Assisted in migration to different WebLogic servers and worked with Work Manager and WLDF.
  • Deployed applications (JAR, WAR and EAR) and related troubleshooting in both production and development environment
  • Design and implementation of WebLogic application configuration management system based on WebLogic Scripting Tool (WLST)
  • Configured two - way SSL for the server to presents a certificate to the client and the client presents a certificate to the server to submit valid and trusted certificates before completing the SSL connection
  • Experience in installing and administrating Microsoft IIS (6.0), Apache HTTP Webserver (2.0 and 2.2) and Tomcat servers.
  • Implemented SNMP-based trend analysis system with custom integration with Weblogic Server.
  • Working knowledge of Monitoring Tools such as Wily Introscope (7.2), JProbe (8.1) & Borland’s OptimizeIt.
  • Managed and monitored JVM performance tuning by adjusting WLS Heap size and GC parameters for monitoring the heap and physical memory.
  • Managed and analyzed Thread Dump and performed Root Cause Analysis(RCA) and suggested solution when server crashed unexpectedly.
  • Tune services such as JDBC data sources and connection pools, JMS servers, and Queues, Security, LDAP, and identity server
  • Designed and developed the security portion of the application and its integration with an enterprise wide Integrity SiteMinder implementation.
  • Track record of increasing responsibility in internet architecture, systems infrastructure and project management
  • Configured IBM MQ Series as a foreign JMS with WebLogic Server.
  • Demonstrated ability to manage multiple high-profiles, complex projects and implement with minimal disruption to end users
  • Excellent interpersonal communication, analytical and problem solving skills, self-motivated, willing to take initiative and able to learn quickly and apply new tools and technologies in the projects


Languages: C, C++, PASCAL, Java, Visual Basic, ASP, SQL and PL/SQL

Java Technologies: Servlets, Applets, Swings, EJB, JMS, Networking, JDBC/ODBC, JNDI, RMI, JBoss

Databases: MS-Access, MYSQL, SQL Server, Oracle 9i and Oracle10g

Operating Systems: Windows, MS-DOS, UNIX, MAC, Linux, HP-UX

Web Designing: HTML, ASP, XML, CSS, Dreamweaver, Adobe Photoshop, Adobe Image Ready, Dream Weaver

Web Server: Apache, Tomcat, Iplanet/Sun One, IIS 4.0/5.0/6.0, SharePoint Portal, Biz Talk Server 2000

Web Technologies: JDK 1.4, J2EE, Servlets 2.3, JSP 1.2, EJB 2.0, RMI, JDBC, JNDI, JMS, JAAS, XML, HTTP, AquaLogic

Networking: DNS, FTP, SSH, Telnet, NFS, LDAP, TCP/IP, SSL, VPN, IDS, DHCP, Network configuration, Network design, Network Security (Wireshark, Snort), Network Management with SNMPv1, SNMPv2, SNMPv3, Wireless Network design and Securities.

Others: SPSS-Clementine (Data Mining Tool), Oracle BI Tool (Data Warehousing), MS-Project (System Analysis and Design & Project Management).


Confidential, Newark, NJ

Sr. WebLogic Administrator

Environment: BEA WebLogic 10.3, 9.1, Sun SPARC Enterprise M5000 Server, SUN Fire 4800, 880, E2900 Servers, Sun StoreEdge 3310; 3120 Storage Arrays, SAN, WLST, WLShell, JDK, Apache Web Server, Apache Tomcat, JDBC, Wily/CA IntroScope 7.0, MS Windows XPsp2, MS Office 2003, MS Outlook.


  • Installed, administration, configuration and monitoring of BEA WebLogic 9.1 and 10.3 Application Server Environments.
  • Involved in the configuration and administration of Apache Web Servers, including installation and configuration of WebLogic proxy Plug-ins to proxy load balanced requests for dynamic content to backend WebLogic Application Servers.
  • Deployed applications on multiple WebLogic server instances maintaining Load Balancing and High-Availability
  • Designed and implemented strategies for WebLogic Server upgrade from 8.1 to 10.3.
  • Developed Application and WebLogic Health Monitoring scripts using WLST, WLShell and Korn Shell for WebLogic 10.3 and 8.1 Clustered & Non-Clustered environments.
  • Configured Node Manager for remote administration of managed servers.
  • Configured Wily IntroScope to diagnose, monitor, and prevent performance and bottleneck problems of WebLogic Application Servers.
  • Assisted Performance testing teams to improve the overall performance of J2EE applications services on WebLogic Application Server Platforms, using performance analysis tools.
  • Monitored the WebLogic Execute Queues, JMS Queues and MDBs.
  • Prepared implementation Plan templates for WebLogic Application Deployments and any other Infrastructure changes.
  • Involved in applying patches for WebLogic Server, SUN Solaris, and Apache Web Server.
  • Build and implemented Disaster Recovery strategies for WebLogic Domains.
  • Deployed various types of application packages including JAR, WAR and EAR files on clustered WebLogic Servers.
  • Maintained load balancing, high availability and fail over functionality.
  • Configured SSL and created certificates for serving secure applications and designed and implemented the application fail-over strategies.
  • Responsible for setting up JDBC connection pools, Multi pools & Data Sources with Oracle Database.
  • Researched and applied patches for WebLogic Server, Redhat Linux and apache server.
  • Worked closely with the development teams in activities such as load testing, troubleshooting and performance tuning of WebLogic Applications.
  • Managed and performed hardware maintenance for SUN & IBM servers, including equipment replacement and capacity planning.
  • Recommended and implemented new cost effective server for smooth performance.
  • Configured and Administered JMS, LDAP and SNMP.
  • Tuned the WebLogic JVM Heap Sizes by adjusting the MIN, MAX and Nursery Sizes in Production and Staging Environments.
  • Examining error logs, solving problems & fine-tuning parameters on WebLogic Environment.
  • Actively involved in adding the new features and configuration changes for the existing environments
  • Well versed with complete Development Life Cycle process which includes development, testing, implementation and migration process
  • Research & Troubleshooting of emerging application issues, from WebLogic configuration to code issues.
  • Developed & implemented Cron Jobs to schedule tasks on the server.

Confidential, Chicago, IL

WebLogic Administrator

Environment: Weblogic Server (9.1 and 10.3), JDK, J2EE, EJB, Servlets2.0, JSP, Web Services, MBeans (JMX), WLST, Wily Interscope Interprise, LDAP, SNMP, Apache Web server, SiteMinder, F5 load balancer, Windows 2003 server and Solaris9


  • Performed WebLogic upgrade from WebLogic 9.1 to WebLogic 10.3 across all Development/ Testing/Training/Performance & Production Environment.
  • Performed WebLogic installation, domain configuration, monitoring, security, clustering, load balancing and performance tuning, so it could be deployed in a standard method across the enterprise.
  • Deployed WAR, JAR and EAR application in WebLogic 9.1 and 10.3.
  • Modified existing shell scripts using WLST command line utilities, to Create, Manage & Monitor WebLogic Server Domains and WebLogic Server.
  • Served as a highly available point of escalation on a 7x24 basis and coordinated with developers, Management and end users as needed while tracking and reporting progress.
  • Installed, configured and maintained Wily Introscope Enterprise with agents supporting both Production and test environment.
  • Contributed in design considerations for new products or architectural changes to existing products.
  • Deployed, monitored and troubleshot J2EE applications.
  • Administration of SNMP-based framework which enables you to integrate management of WebLogic Servers into an SNMP-compliant management system
  • Creating, configuring and monitoring JDBC connection pools and transactions.
  • Experienced in System Development Life Cycle process which includes development, testing, implementation and migration process.
  • Performance tuning of JVM heap size, garbage collections, java stack and native thread & production performance.
  • Deployed Oracle Business Intelligence Enterprise Edition (OBIEE) in WebLogic server.
  • Provided Shell script for auto deployment processes and documented it.
  • Maintained overall client platform stability, security, and supportability.
  • Mentored the Junior WebLogic Admins and Application Support People.

Confidential - Columbus, Ohio

WebLogic Consultant

Environment: JDK, BEA WebLogic 8.1, Apache Web Server, IIS Web Server, J2EE, Oracle 8i/9i, SQL Server, Windows2000, Solaris8.0


  • Installation, configuration, monitoring, troubleshooting and tuning of WebLogic Application Servers 8.1 using Silent Mode, in an identical environment.
  • Maintained BEA WebLogic Application Server 8.1 on different UNIX platforms and have setup development, testing, staging and production environments for the ongoing application development.
  • Worked extensively on installation and configuration of Apache Web Server and IIS Web Server
  • Administrated threads using Wily Introscope.
  • Troubleshooting issues like slow performance/memory leak/deadlocks using Wily.
  • Worked with a team for stress tests, performance tests and identified the bottlenecks of the application, and set up various monitoring alerts using Wily Introscope.
  • Interacted with development teams for Application Architecture changes, with respect to WebLogic configurations.
  • Used Thread Dumps when issues arose in WebLogic, and analyzed the thread dumps and communicated with developers to solve the issues.
  • Assisted application Deployments in various environments like Production, Staging and Testing. Also, troubleshot the deployment issues.
  • Installed WebLogic Service Packs, WebLogic new CRs (patches), and licenses in Production Box.
  • Created and installed SSL certificates in Java Keystores.
  • Involved in doing a performance benchmark of Apache/WebLogic server by using HP-Loadrunner.

Confidential, Salt Lake City, UT

Jr. WebLogic Consultant

Environment: BEA WebLogic 7.1, WindowsXP, Thread Dump analyzer, Samurai 2.1.5, Windows 2003 serve, SiteMinder, WebLogic JMS, RedHat Linux, Solaris8.0


  • Performed Installation and Administration of BEA WebLogic 7.1.
  • Monitored Server log and Domain log, Application Deployment, and performance tuning of WebLogic.
  • Setting the JVM parameters like maximum and minimum heap size in WebLogic startup scripts.
  • Configured IIS Proxy Plugin for WebLogic Servers.
  • Configured SiteMinder SSO (Single Sign on) on IIS as a web agent.
  • Maintained Queues, Topics, in WebLogic JMS Server and MQ Series. Configured the Message Bridges between JMS Server and MQ Series.
  • Monitored the WebLogic Execute Queues, JMS Queues and MDBs.
  • Interacted with development teams for application architecture changes, with respective to WebLogic configurations.
  • Troubleshot the applications for the Memory Leaks by using Optimize IT.
  • Tuned the WebLogic JVM heap sizes by adjusting the MIN, MAX and nursery sizes production and staging environments.
  • Took Thread Dumps when any issues come in WebLogic, analyzed the thread dumps and communicated with developers to solve the issues.
  • Installed WebLogic Service Packs, WebLogic new CRs (patches), and licenses in Production Box.
  • Administered the startup logs for any errors. Performed regular health checks on the servers.


Jr. WebLogic Administrator

Environment: BEA WebLogic 7.1, Apache Web Server, Shell Script, Windows 2003 server, WinXP, Sun Solaris and Redhat


  • Performed Installation and Administration of BEA WebLogic 7.1.
  • Server log and Domain log monitoring, Application Deployment, and performance tuning of WebLogic.
  • Setting the JVM parameters like maximum and minimum heap size in WebLogic startup scripts.
  • Monitored idle thread count, garbage collection, EJB Beans and JDBC pools on WebLogic Server.
  • Configured Clusters on WebLogic using the WebLogic Console.
  • Application Deployment on BEA WebLogic on a single Server and a cluster of Servers.
  • Installed IIS Proxy plugin on IIS Webserver to communicate with WebLogic.
  • Configured clusters in Round-Robin and Weight Based Configuration.
  • Checked WebLogic Server backend database connectivity using dbping and t3dbping. Configuring database connectivity using JDBC.
  • Configured WebLogic Virtual hosts.
  • Started, stopped and cleared the cache of WebLogic servers.
  • Automated and scheduled backups on all UNIX machines using shell script and crontab.

Confidential, Roseville, CA

Network and System admin

Environment: LAN and WLAN Network Architecture, Proxy server, DHCP, DNS server, Apache web server, IIS Web Server, Active Directory, Windows XP, Windows 2000 server, Linux, Linksys switches and router.


  • Performed hands-on administration, monitoring, and troubleshooting of Local Area network (LAN), resulting in optimum performance and minimum downtime.
  • Administer Microsoft Windows Servers (Active Directory), Microsoft Workstations, and network security devices for 150 users.
  • Performed system installation, general troubleshooting and maintenance for business clients and the public.
  • Responsible for e-mail system and Internet Information Server, meeting employee and customer needs 24/7.
  • Managed all new install projects for servers, switches, and other network resources
  • Managed and motivated staff and assigned workloads. Conducted training on equipment and software utilization.
  • Provided accurate and prompt support to public users, utilizing high level of customer-service skill and technical expertise.
  • Planned, analyzed, designed, implemented, managed, and upgraded networking equipment for client offices.
  • Advised clients on policies regarding the safety and security of servers and equipments.

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