Java Developer Resume
Richmond, VA
SUMMARY
- Over 8 years of IT experience with 7+ years in Installation, Configuration, Administration and Maintenance of ORACLE/BEA WebLogic Server 7.0/8.1/9.x/10.0 and 1.5 years of experience in Websphere 5.1/6.1.
- Experience in installing and configuring Apache Web Server, Sun ONE Web Server, ORACLE/BEA WebLogic Application Server, IBM Web Sphere Application Server on Sun Solaris 8/9/10Linux (RedHat) Windows, AIX.
- Experience in setting up WebLogic cluster environment, including Domains, Admin Server, Managed Servers and Node Manager.
- Experience in automation of monitoring and start/stop of WebLogic Application Server using WLST, weblogic.admin and Node Manager.
- Strong experience in Building and Deploying enterprise applications using ANT and WLST on WLS in windows and UNIX environments in exploded and archive formats for stage, no - stage and external staging modes.
- Experience in Recovering Failed Servers, life cycle of WebLogic servers and MSI mode configuration.
- Experience in WebLogic Clustering and configuring WebLogic resources.
- Experience in deploying the enterprise applications (.ear), and web modules (.war) in stage, no-stage and external stage modes.
- Good knowledge in UNIX for troubleshooting performance and network issues.
- Experience in Configuring users and groups for securing the WebLogic resources and configuring SSL for secured communication.
- Experience in setting up NDM for transfer of files between two servers.
- Experience in performance & fine-tuning of WebLogic Server JVM, Threads, Connection Pool and OS Parameters.
- Experience in troubleshooting Node Manager related problems, Cluster related issues, WebLogic Plug-in related problems, failover and load balancing issues.
- Good knowledge in Load Runner to resolve the performance issues during testing.
- Experienced in setting up load balancing for WebLogic with Big IP load balancers.
- Experience in planning and coordinating testing changes, upgrades and new products, ensuring systems will operate correctly in current and future environment.
- Ability to support multiple applications and work 24X7 in a fast paced environment.
- Strong communication skills and ability to document the operational requirements.
TECHNICAL SKILLS
Operating Systems: Solaris, RedHat Linux, Suse Linux, IBM AIX, HP-UX, and Windows NT/2000/2003/XP
Java Technologies: Servlets, Applets, EJB, J2EE, JMS, JDBC, JNDI and RMI
Application Servers: WebLogic Server 7.0/8.1/9.2/10.0/10 g, WebSphere5.1/6.1, JBoss 4.3
Web Servers: SunONE 6.x WebServer, Apache 2.x, IIS 5/6/7
Languages: Java 2.0, SQL and PL/SQL
Monitoring Tools: Wily Introscope, IBM Tivoli and HP OpenView
Scripting: ANT, Maven, JavaScript, Shell script, WLST and Perl
Markup Languages: HTML, XML/XSL and DHTML
Databases: Oracle, DB2, Sybase, SQL server and MS Access
UML Tools: Rational Rose, Rational Unified process (RUP), Rational ClearCase
Protocols: TCP/IP, FTP, SMTP, SOAP, POP, T3 and HTTP
PROFESSIONAL EXPERIENCE
Confidential, Herndon, VA
Sr. WebLogic Administrator
Responsibilities:
- Install and configure WebLogic Server 9.2/10g and Oracle Service Bus (OSB).
- Configure WebLogic resources (JDBC, JMS) in Clustered environment and develop WLST scripts for Administration (deployment, server start-up and monitoring Mbeans).
- Configure Proxy Services, Business Services and WSDLs for OSB.
- Configure Message Flow, set the timeout value and verify the routing of Services by SOAP-UI and monitoring the logs and fine tune the OSB environment.
- Configure Apache to proxy requests to WebLogic server.
- Responsible for creating scripts to automate the deployments of ESB proxies and the configuration of destination endpoints.
- Involve in WebLogic upgrade in Staging and production environment and applying patch and service packs.
- Route the consumer traffic during the production window and enable/disable alarms for the active-active set up to achieve the SLA’s.
- Involve in weekly architectural meetings to review the current environment and provide weekly status.
- Install and configure SSL certs for secured communication and automate the weekly back up (exporting) of user/group.
- Document the installation, operational requirements and traps for WebLogic.
- Supported 24/7 pager on rotation basis.
Environment: WebLogic Server 9.2/11g, Oracle Service Bus, Oracle Coherence, RedHat Linux 5.0, Oracle 10g/11g, Apache 2.2.11, SVN, Nagios, Splunk, WilyIntroscope
Confidential
Sr. WebLogic Administrator
Responsibilities:
- Install and configure domains WebLogic 10.0 MP2, Oracle Service Bus, Websphere 6.1 on Solaris 10 and RedHat Linux 5.0 using HPSA for the apps migrating from WebLogic 8.1/9.2.
- Deploy the applications using N1SPS and Anthill in SIT/UAT/FIX/PROD and BCP environments.
- Install and renew the SSL certs for WebLogic/Web Sphere/Sun ONE and NDM in all the environments.
- Provide SME for WebLogic associated issues in production and non-production environments.
- Conduct meetings with the on-shore team to delegate the work and to meet the SLAs.
- Document the operational instructions, best practices and issues/fixes for each application.
- Configure NDM for setting up the file transfer between servers.
- Work in sync with the OSE’s for OS patching which requires stopping and starting the apps before and after the patching respectively.
- Prioritizing support requests, effective task planning, executing an established change control process and proactively communicating task status and progress.
- Participating in the definition of standards and identification of process improvement opportunities for the platforms supported.
- Support the apps on 12/7 basis.
Environment: WebLogic Server 8.1/9.2/10.0 MP2, Oracle Service Bus, WebSphere 5.1/6.1, Solaris 8/10, RedHat Linux 5.0, Windows 2000/2003, Oracle 10g, Clear Case, N1SPS, Anthill, NDM, Web Methods, HPSA.
Confidential, Whippany, NJ
Weblogic Administrator
Responsibilities:
- Perform installation, configuration, maintenance, deployment, and performance tuning of WebLogic Server 8.1 and 10.0 in Linux and Windows platforms
- Install and configure (proxy requests to back-endApache, create Virtual Hosts, install WebLogic plug-in) Apache web server.
- Install and configure WebLogic Portal, ALBPM 6.0, Tibco EMS.
- Involve in meetings with OS, DBA, Development and Architecture teams; assign tasks to the team members and provide weekly status report to the management.
- Lead the efforts in migration on applications from WLS 8.1 to WLS 10.0.
- Monitor the CPU, disk, ram and heap usage and collection of JVM statistics, garbage collection data for monitoring the heap.
- Configure WebLogic resources (JDBC, JMS) in Clustered environment and develop WLST scripts for Administration (deployment, server start-up and monitoring Mbeans).
- Configure SSL for secured communication between the web server and the application server.
- Perform code migration to SIT/QA/UAT/Production and DR environments.
- Provide guidance and assistance to business units in planning, developing and implementing J2EE solutions.
- Support on call schedule 24/7 for Production support.
Environment: WebLogic Server 8.1/10.0 MP2, ALBPM 6.0, Solaris 10, RedHat Linux 5.0, Windows 2000, Oracle 10g, SQL Server 2005, Tibco EMS, Apache 2.2.11, Tomcat 5.5, JBoss,ClearCase, SVN 1.5, JDK 1.5, SiteScope.
Confidential, Mount Laurel, NJ
WebLogic Administrator
Responsibilities:
- Installed, configured and administered WebLogic Server 9.2 in UNIX environment.
- Installed and configured WebLogic Plug-ins for Apache 2.2.
- Worked on the architecture, design, implementation, deployment and support of the J2EE infrastructure.
- Configured and administered JMS Server, Connection Factory, JMS Modules, Topics and Queues.
- Applied the WebLogic Server service packs and patches.
- Configured and administered Connection pools and Data Sources for JDBC connections.
- Analyzed log files to troubleshoot issues related to Application Server.
- Improved the performance by fine-tuning the JVM, OS, Network, and WLS parameters.
- Developed WLST and UNIX shell scripts to automate the WebLogic Administration.
- Developed deployment/build scripts for recurring integration tasks using ANT, review the production tar ball to verify correct files are being deployed in correct location and maintain the file system in Clear Case
- Created users/groups and setup SSL, LDAP server/Authentication.
- Isolate and resolve the application performance issues using Wily Introscope.
- Document the installation, operational requirements and traps for WebLogic Servers and resources.
- Supported Dev/QA/Perf environments.
- Support on call schedule 24/7 for Production support.
Environment: WebLogic Server 8.1/9.2, JDK 1.4/1.5, J2EE, LDAP, Oracle 10g, Solaris 10, HP-UX, AIX-5.x, Apache 2.2
Confidential, Richmond, VA
WebLogic Administrator
Responsibilities:
- Installed, configured and administered WebLogic Server 8.1/9.x invarious environments.
- Installed and configured Sun ONE Web Server 6.0 in UNIX environment.
- Involved in migration of WebLogic Server from version WLS 8.1 to WLS 9.0.
- Configured and administered Clusters, JDBC, JMS and Security.
- Developed ANT scripts, UNIX shell scripts to automate the deployment process.
- Deployed Applications, in archive (WAR, JAR, and EAR) and exploded format in Clustered environment.
- Deployed the applications on multiple WebLogic Server in Clustered environment to maintain load balancing, high availability and fail over functionality.
- Tuning the Sun JVM and J-Rocket JVM versions of 1.4.
- Automated the startup and shutdown of Admin Server and Managed Servers.
- Involved in doing a performance benchmark of WebLogic server by using Load Runner.
- Involved in trouble shooting and fixing day-to-day problems of the application.
- Supported on call schedule 24/7 for Production support.
Environment: WebLogic Server 8.1 & WLS 9.x, JDK1.4/1.5, J2EE, JSP, Servlets, EJB, LDAP, JDBC, JMS, Oracle9i, Sun ONE Web server 6.0, Apache2.0, Ant1.5.1, Win2K, Solaris 9/10 and AIX 5.x.
Confidential
WebLogic Administrator
Responsibilities:
- Installed, maintained, administered and supported the middleware (WebLogic, Apache and Iplanet) on UNIX and Windows platforms.
- Installed applications into WebLogic 7.0 environment.
- Configured WebServer interfaces, Session Management, Virtual Hosts.
- Created different data sources for different applications.
- Performed WebLogic performance tuning, Administrative Repository tuning, JVM optimization, Java memory tuning.
- Monitored application log files, Application Server Performance, Servlet Status, Active Sessions and DB Pool connections.
- Analyzed Errors and log files and diagnosing Application Server problems.
- Responsible for on-going administration of various environments.
Environment: ORACLE/BEA WebLogic Server 7.0, Apache, Oracle 8i, AIX 5.x and Sun Solaris 8.
Confidential
Java Developer
Responsibilities:
- Responsible for writing J2EE Design Pattern like Object Model, Sequence Diagrams, and User Cases using UML.
- Implemented MVC Model II using Struts Framework.
- Created the JSP's, Servlets, DOM, and XSLT for the Presentation layer.
- Developed the Session Beans (EJB) for the Business logic.
- Developed the Entity Beans for handling the container-managed persistence.
- Used JDBC for data retrieval from the database for various inquiries.
- Created the Stored Procedures using PL/SQL for releasing the locks on the accounts, and deleting account.
- Created the Monthly scheduled jobs to purge the old/bad accounts from the database.
Environment: HTML, JavaScript, Servlets, Java 2.0, JSP, EJB, Oracle, Windows NT, UNIX.