Java Developer Resume Profile
PROFESSIONAL SUMMARY:
- 7 years of strong Professional experience in Systems Administration which includes extensive experience in WebLogic Administration providing support for Production, Staging, Testing, Development, server configuration, deployment, and performance tuning.
- Experienced in configuring the WebLogic servers7.0/8.1/9.0/10.3/12C in a cluster for high availability, load balancing, fail-over support under heterogeneous environment consisting of SUN Solaris 8.0, 10.0, Red Hat Enterprise Linux 3.0/4.0/5.0, Windows NT /2000/2003/XP, HP-UX and AIX.
- Experienced in deploying applications WAR, JAR, EAR in stand-alone domain and clustered environments.
- Migration experience with WebLogic Application server, WebLogic Portal servers from 6.0->7.0-> 8.1 -> 9.2 ->11G->12C
- Experienced in Node Manager Configuration, remote managed server start and stop, SSL communication between admin server and node manager.
- Extensively working experience on clustering, performance tuning JVM options, Load Runner load balancing, connection pool, multi pool, JMS message Queue and Monitoring.
- Experience in Setting up and configuring Active Directory Authenticators via Web Logic Admin console
- Experience in implementing Fail-Over, Fail-Back and Backup strategies for WebLogic environments and Implementing WebLogic's best practices for Deployments, System configuration, capacity planning, Infrastructure architecture, fail over, backup and recovery, scalability, and security
- Expert in Investigating and resolving performance issues by analyzing thread dump, GC values and heap dump.
- Experienced in installing Certificates on various Web Servers and BEA WebLogic Application Server Platforms and SSL.
- Worked with F5 Networks Big-IP for high availability load balancing of traffic to the various internet web services
- Familiar with LDAP, Netegrity Site Minder single sign-on configurations and replications for MS Active Directory
- Experience using monitoring tools such as Mercury, Wily Introscope, Tealeaf, and BMC Patrol
- Excellent knowledge of writing UNIX Shell Scripts and ANT scripts to automate System Admin jobs.
- Knowledge of various protocols such as TCP/IP, HTTP, HTTPS and SOAP.
- Experienced in administration of Apache HTTP Web server, Apache Tomcat servers and Jboss.
- Experienced in upgrading Apache, and Apache tomcat to latest versions.
- Experienced in Relational Databases like Oracle 9.i/8.i, MS SQL Server 2000/7.x and DB2.
- Redesigned and upgraded companies Siteminder Infrastructure to new version Siteminder 4.x to 6.x and deployed into a highly redundant and sustainable solution.
- Configured Web Server plug-ins APACHE, Tomcat, IIS and I Planet for the Web Logic server.
- Working knowledge of Install and configure iPlanet, Apache and Tomcat WebServer in various environments
- Experienced on solving PCI complaints on Apache, Jboss and WebLogic.
- Knowledge on BMC patrol for trouble shoots the performance issues.
- Working knowledge on Remedy/Apian ticketing systems.
- Provided 24 X 7 technical supports for applications running on WebLogic/Clarify CRM integration with Web Methods.
TECHINCAL SUMMARY:
Operating Systems | Windows 2000/XP/Vista/7, Red Hat Linux 4.0/5.x, and Sun Solaris |
RDBMS | Oracle 8i/9i/10g, MS SQL Server, Mysql, and DB2 |
Languages | C, C , Java, Perl, UNIX Shell Scripting BASH , SQL, T-SQL, PL/SQL, Ant Scripting, WLST, and Jython. |
Scripting | UNIX Shell, XML, Java Script and HTML |
Web and App Servers | WebLogic Application Server 6.1/7.0/8.1/9.0/9.1/10.0/10.3/12C, WebLogic Enterprise Security, WebLogic Portal, Apache Web Server, iPlanet Web Server, JBoss, Apache Tomcat, Microsoft IIS Server, J2EE, BEA JRockit, and SUN JDK. |
ProductionMonitoring Tools | HP Open View Operations, Wily IntroScope 7.1, CA Foglight, and SiteMinder |
Networking | TCP/IP, HTTP, HTTPS, T3, SSL, NAT, VPN, CISCO Switches/Firewall, LDAP, and t3 |
J2EE Technologies | JSP, Servlets, Struts, EJB 3.0, spring, HTML, WSDL, JDBC, and JNDI. XML, XSLT, JMS, Java script JDK 1.4/1.5 |
PROFESSIONAL EXPERIENCE
Confidential
Responsibilities:
- Installed, configured Web Logic Server 12C/11g on Windows 2008, Linux server in various environment including Dev, Stage UAT , and PRODUCTION environments.
- Upgrading the weblogic domain from 10.3.X version to 12C
- Deployed WAR, JAR, and EAR files in multiple server using clustered environment to maintain Load balancing, High availability, and Failover Functionality.
- Configured and administered JDBC connections, JNDI, JMS connection factories.
- Managed security realms users and groups in Weblogic
- Created and configured Managed servers, cluster, machines, and developed WebLogic Script to windows services, and start and stop the applications.
- Involved in Performance tuning of Web Logic server with respect to heap, threads and connection pools.
- Configured a tool using PERL to start/stop WebLogic and apache servers and to get status of WebLogic servers, view WebLogic server logs, deploying applications using web browser.
- Developed WLST scripts to stop/start application, list of applications deployed, get status of WebLogic servers.
- Developed Shell script to run day-to-day task, and for automated backup process
- Monitored error logs, fixed problems and tuned parameters in WebLogic environment.
- Used ANT Script, and Web Logic Workshop to build .ear files
- Created Weblogic Domain templates using the existing environment WLS10.1, and 10.3
- Upgraded JAVA Source code from wls10.0 to Web logic 10.3 using WebLogic Workshop
- Configuring Execute Threads, Connection Pools and JMS Bridges etc. for different components of the system.
- Involved in Tuning WL settings based on monitoring each services JMS, Server Socket, JDBC pool size, EJB pool size
- Actively monitor the BMC patrol for performance and trouble shoot the issues.
- Creating mail sessions and configuring JMS with MQ series.
- Configuring and troubleshooting IIS, and Apache, for Weblogic server 10.3
- Involved in configuring Web Security tools LDAP server, SSL certificates.
- Actively working on Remedy/ Apian ticketing systems and change controls.
- Worked on Jboss installation and deploying the files.
- Involved in the resolving of PCI complaints on apache and Jboss.
- Provided 24/7 on call support for production environments and trouble shoot the issues provide RCA document.
Confidential
Middleware Administrator
- Installed WebLogic10.3 and configured WebLogic domains for upgrading applications running on WebLogic7.0/8.1/9.2 in Development, Test and Production environments on Solaris, unix and windows
- Provided production support for existing applications running on WebLogic7.0/8.1/9.2/10.x Apache, Apache tomcat and Jboss.
- Involved in upgrading the weblogic portal form 8.1 to 10.2 in windows and UNIX based systems.
- Performed WebLogic Portal administration tasks such as installing, configuring, monitoring and performance tuning.
- Created users and groups in WebLogic Portal application server and assign roles to them.
- Configured network channels for unicast communication in cluster environments in WebLogic10.3.
- Used WebLogic scripting tool WLST to create manage servers, cluster, machines and users for monitoring and deploying applications.
- Configured JDBC data sources with both XA and Non-XA drivers for Oracle9i/10g/11g and data sources for Teradata database using WebLogic console.
- Upgraded WebLogic 7.0/8.1/9.2 domains with necessary patches and Service Packs.
- Configured WebLogic SNMP with both centralized and de-centralized models in WebLogic server 10.3/9.2. Applied JNDI security to ejb's, JDBC data sources and jms resources.
- Involved in Performance tuning of WebLogic server with respect to heap, threads and connection pools.
- Developed UNIX shell scripts and WLST scripts to start/stop WebLogic admin and manage servers and to deploy different applications like .war or .ear files.
- Configured Persistent stores file and JDBC stores , JMS servers, system modules, sub deployments, connection factories, topics, queues for JMS Messaging.
- Installed and configured Apache web server instances and configured apache-WebLogic Bridge.
- Helped in troubleshooting applications in Development, Test and Production Environments.
- Monitored TCP/IP connections to debug network related problems.
- Involved in Designing and Developing a Library Management portal using EJB 3.0 and Adobe Flex UI on JBoss 4x and Oracle 10G.
- Managing and Monitoring the JVM Performance by adjusting Weblogic heap size and garbage collection parameters
- Worked on design and implement application Servers JBOSS Tomcat on Linux CentOS servers.
- Responsible for uptime of Web servers, backup, hosting and Database servers running Oracle 10g.
- Used internet technologies like HTML, XML, XPATH, XSD and TCP/IP.
- Installing and renew the SSL certificates in the apache, weblogic, Jboss
- Upgrading Apache, Apache Tomcat and Jboss to current supported level versions.
- Deployment support for all Weblogic based mission critical applications.
- Responsible for resolving the PCI complaints and updating patches.
- Installed and configured Apache HTTP Web Servers in various environments like Sun Solaris, RedHat Linux and Integration of the same with the JBoss and WebLogic.
- Proficient in setting up multiple JBoss instances for same/different applications to run on the same physical machine using JBoss binding service.
- Experience in maintaining Load balancing and High availability
- Experience with configuring Proxy Plug-in between Web Server Sun/Apache and JBoss, Weblogic Servers.
- Working knowledge of Install and configure iPlanet, Apache and Tomcat WebServer in various environments.
Environment: WebLogic 10.3/9.2/8.1/7.0, WebLogic Portal 10.2, Apache, Tomcat, Windows NT, 2000, XP , Linux, Solaris 8/9/10, Oracle 9i/10g/11g, JDK1.6.0 10, JDK1.5, JDK1.4, JRockit, MQ Series, PVCS, Clear Case, Business Objects, Adobe Live Cycle, OID, LDAP, Java,J2EE, JSP, Servlets, web services, EJB, Spring, XML, XPath, XSD, WLST, Log4j, Jasper Reports, Perl, Clarify, Shell Scripting.
Confidential
WebLogic Administrator
- Administered WebLogic WLS 10.0 within a Java/J2EE environment in a highly available, clustered, load balanced environment. WebLogic WLS 10.0 was installed and configured on Solaris 10 zones LDOMs .
- Configured WebLogic Cluster Spanning four domains servicing highly available enterprise applications.
- Supported the migration of WebLogic portal 9.x servers to WebLogic portal 10.x servers and trouble shouted issues during the process. Created WebLogic Portal domains/projects and configured essential resources like JMS, JDBC, and JNDI.
- Set connection between WebLogic WLS 10.0 JDBC and Oracle 10g RAC clustered, load balanced Multi Data Sources / Connection Pools
- Configured Machines and Nodemanager in Clustered environment to control managed servers. Administered and extended portal cache using Administration Console.
- Configured Persistent stores, JMS servers, system modules, sub deployments, connection factories, topics, queues for JMS Messaging
- Used WebLogic scripting tool WLST to create manage servers, cluster, machines and users for monitoring and deploying applications.
- Conducted software audits of the middleware products for compliance with established standards, policies, configuration guidelines and procedures.
- Developed shell scripts utilizing native Unix/Linux tools to monitor WebLogic servers / operating systems performance metrics
- Performance tuning of WebLogic server with respect to heap, threads and connection pools. Deployed Web Services by defining WSDL's and using SOAP activities
- Monitoring WebLogic server and network parameters using Nagios Open Source monitoring tool. Created custom nagios plugins to complement the environment.
- Developed scripts start, stop, backup recovery processes for web application server administration.
- Writing Scripts to handle complex automation / administration using Shell scripting
- Analog Web analyzer, Tomcat, WebLogic, Apache.
- Performing Server Management Tasks, Using Admin Console
- Worked on design and implement application Servers JBOSS Tomcat on Linux CentOS servers.
- Install and configure Apache WebServer in various environments.
- Build and implemented Disaster Recovery strategies for WebLogic Domains.
- Worked with product vendors including F5, SUN, EMC, BEA, and Veritas to resolve product related issues: both hardware and software.
- Involved in applying patches for BEA WebLogic Server, SUN Solaris, and Apache SunOne Web Servers.
- Maintained 230 SUN Solaris, Red Hat Linux Servers as part of a 16 member collaborative team.
- Configured the reliable HTTP Session management for clustered applications, DNS, FTP, and Virtual hosts.
- Shared in the on-call rotation carrying a pager to provide 24x7 supports.
Environment: SUN Solaris 2.x,Windows 2003 server, H.P, Linux, WebLogic 8.1 Application Server, iPlanet4.1, Sun One6.1, IIS 6.0, Windows 95, 98, NT, 2000, XP ,wily Inters cope, Shell Scripting, Oracle 9i.
Confidential
WebLogic Administrator
- Migrated from JBoss standalone to WebLogic application server clustered environment.
- Worked on generating private certificate and applied the certificate on WebLogic servers.
- Installed and configured Cognos in WebLogic environment for Development Environment and prepared documentation for other environments QA, Staging and Production .
- Worked on source control for daily builds and extensive experience in merging from old branch to new branch for each and every release.
- Created users in source control for new members in the team
- Deployed applications PRS, HCAPS, PRSWS, etc. on multiple WebLogic Servers and maintained Load balancing, high availability and Fail over functionality.
- Worked on side by side or versioned deployment . Using deployment scripts.
- with project managers, team members and managers in order to coordinate accurate installation and project deployment in a timely manner
- Provided support to Development, Testing and Third party testing, Preproduction and Production.
- Installation, Configuring, troubleshooting and maintaining the WebLogic 9.0/8.1 and Apache web server.
- Involved in database connectivity using JDBC Database and Connection pools. Managing and Monitoring the JVM performance by WebLogic Heap Size, garbage collection, JDBC Pools.
- Worked on installing and maintaining I Planet 4.x/6.x Web Servers. Developed scripts start, stop, backup recovery processes for web application server administration
- Configured and created JMS queues topics, Data sources, bridges connections pools multi connection pool.
- Actively involved for the Migration of couple of business applications from WebLogic 8.1 to 9.2
- Configured Execute Threads, Connection Pools and JMS Bridges etc. for different components of the system.
- Configured Application Servers BEA WebLogic 9.2 on a single Server and a cluster of Servers.
- Managing and Monitoring the JVM performance by WebLogic Heap Size, garbage collection, JDBC Pools.
- Developed scripts start, stop, deploy, undeploy and side by side deployment for web application server administration.
- Responsible for application changes across different platforms- development, testing and production environments
- Participated in 24/7 support for production.
Environment: SUN Solaris 2.x, WebLogic 9.0, 8.1 Application Server, iPlanet 4.1, Sun One 6.1, IIS 6.0, Windows 95, 98, NT, 2000, XP , Linux, Shell Scripting, Oracle 9i, JBoss, Coldfusion, Apache HTTP, SSL, Apache Tomcat, WebLogic, IIS 6.
Confidential
WebLogic Administrator
- Provided support to Production, Development, Testing and Staging environments.
- Performed installation, configuring, troubleshooting and maintaining the WebLogic 7.0/8.1 and Apache web server.
- Configured JDBC resources, data sources and bounded to the J2EE applications, configured the connection pools for the various data sources.
- Deployed applications Vongo, Att, Qpass, Vongo App on multiple WebLogic Servers and maintained Load balancing, high availability and Fail over functionality.
- Created the connection pools, various data sources, JMS connection Factories, Queues and topics.
- Configuring Execute Threads, Connection Pools and JMS Bridges etc. for different components of the system.
- Configured Application Servers BEA Weblogic8.1 on a single Server and a cluster of Servers.
- Responsible for Akmai cash in Staging and Production.
- Managing and Monitoring the JVM performance by WebLogic Heap Size, garbage collection, JDBC Pools.
- Developed scripts start, stop, backup recovery processes for web application server administration.
- Responsible for application changes across different platforms- development, testing and production environments.
- Participated in 24/7 support for production environments.
Environment: SUN Solaris 2.x, WebLogic 8.1 Application Server, iPlanet4.1, Sun One6.1, IIS 6.0, Windows 95, 98, NT, 2000, XP , Linux, Shell Scripting, Oracle 9i, JBoss, Coldfusion, Apache HTTP, SSL, Apache Tomcat, WebLogic, IIS 6, IIS 7.
Confidential
JAVA Developer
- Gathered and understood the user requirements and functional specifications.
- Involved in development of GUI Using HTML, JSP, and JavaScript.
- Involved in creating components for isolated business logic.
- Application is deployed in J2EE Architecture.
- Involved in the Design and Development of JSP pages as Clients to Session Bean Stateful .
- Involved in Knowledge Transfer and code review with all the developers.
- Developed SQL queries and stored procedures for implementing the business logic.
- Developed the Use case, Sequence and Class diagrams using Rational Rose Enterprise.
- Designed HTML, JSP's for front-end templates.
- Finalized the design specs for the new system.
- Involved in design, development and maintenance of the application. Performed unit, integration and performance testing, continuously interacted with Quality Assurance group.
- Developed Traceability Matrix, Unit Test Plans and done EQA External Quality Assurance, IQA Internal Quality Assurance , FI Final Inspection .
Environment: Eclipse, JDBC, Java Swings, Servlets, and Tomcat 5.0, J2SE, J2EE, EJB, JSP, BEA WebLogic5.x/6.x, UML, DB2, ANT, JUnit.