SUMMARY:

• Over 13 years of Professional experience in WebLogic Administration and Production Support.
• Experienced in other web/application directory Servers, Apache, Tomcat.
• Extensive experience in web application development using J2EE.
• Well - versed in all phases of software development life cycle.
• Extensively worked on BEA WebLogic, iPlanet, JBOSS and IBM WebSphere Application Servers as administrator for Server Configuration, Deployment of components and performance tuning including troubleshooting and maintenance.
• Extensive Experience in configuring Oracle WebLogic Clusters for load-balancing and fail-over solutions
• Strong programming experience in C, C++, Java & J2EE technologies - Servlets, Applets, JSP, JDBC, RMI, JNDI, EJB, XML, Struts, SOAP, CORBA.
• Strong knowledge of deployment of J2EE applications on Oracle WebLogic 12c/11g/ 10.3/ 9.2/8.1/7.0/6.1 , IBM WebSphere 3.5/4.x/5.x, and Apache-Tomcat.
• Extensive experience in finding the Memory Leaks and adjusting the JVM Heap Sizes, using the OptimizeIT, JProbe & Eclipse Memory Analyzer.
• In depth knowledge of installation and configuration of Application Servers like iPlanet/Sun ONE, Oracle WebLogic 12c/11g/10.3/ 9.x,8, x,7.x,6.x IBM Web sphere 3.5/4.x/5.x/6.x/7.x Tomcat, Apache and IBM HTTP Web Server.
• Experience in developing J2EE applications using Java Development tools such as WebSphere Studio Application Developer (WSAD 4.0), eclipse, Visual Age for Java 3.5, JBuilder and Visual Café.
• Expertise in deploying J2EE components on BEA WebLogic Application Server.
• Managed and administered Domains, Nodes and managed server instances in BEA WebLogic server.
• Configured Web Server plugins (APACHE, IIS and iPlanet) for application servers (WebLogic and WebSphere)
• Implemented Security and configuration of LDAP, configuring Multi Master and Single Master configurations and replications for iPlanet Directory server 5.1 (SUNONE Directory server), also implemented security models using Netscape LDAP, ADS
• Installed, Configured and maintained the Sun One Webserver 6.2 and worked on creating various URL instances for various applications.
• Experience in working with XML/XSL/XSLT documents.
• Installed and configured WebSphere MQ/MQ Series on AIX, Windows and Linux.
• Experienced in Relational Databases like Oracle 11g/10g/9.i/8.i, DB2, MS SQL Server 2000/7.x and MSDE.
• Experience in writing Unix Shell Scripts using commands like awk, sed, tcsh, bash, ksh and perl to automate sysadmin jobs & Ansible
• Used WebLogic console and admin tools to manage, admin, and configure WebLogic Server.
• Extensively worked with UNIX (Sun Solaris), Red Hat Linux, IBM AIX and Windows XP/NT/2000/98/95.

SKILL:

J2EE Technologies: Java (JDK), CORBA, J2EE - Java Beans, Servlets, EJB, RMI, JSP, Applets, ASP, JNDI, RMI, IIOP, Java Mail API, C++, C, SQL, PL/SQL, CGI/Perl, JDBC/ODBC, SOAP, Struts, MVC.

XML and Scripting: XML 1.0, XSL, XSLT, HTML 4.0, DHTML, JavaScript, VBScript

IDE/Tools/Utilities: JBuilder 4/8, Microsoft Visual Studio, Visual Caf Enterprise Edition 4.0, Eclipse, WebSphere Studio Application Developer (WSAD), Exceed, SQL*Plus, MQ Series 5.x, Visio 2000, Microsoft Project 2000, TOAD, Ant

Application/Web Servers: Oracle WebLogic 12c/11g/ 10.3/9.2/8.1/7.0/6.0 , IBM s WebSphere 3.5,4.x,5.x,6, x,7.x Apache Tomcat, JBOSS, IBM HTTP Server, Netscape Directory Server 4.16, iPlanet 6.x, Microsoft IIS.

Databases: IBM DB2 v7.2, Oracle 7.x/8.x/9i/10g,11g SQL Server7.0/2000, MS Access 7.0

Operating Systems: AIX 4.3/5.1, Solaris 7/8, HP-UX11i, Linux 6.2, Win 95/98/NT/2000

Packages & Utilities: MS Office, Adobe Photoshop, Adobe Acrobat

Config. Management: MS Visual Source Safe 6.0, CVS, PVCS

Design Methodologies: Unified Modeling Language (UML) 1.0, Rational Rose, Rational Clear Case, Rational Requisite

EXPERIENCE:

Senior WebLogic Administrator

Confidential, Tempe, AZ

Environment: OracleWeblogic12c/11g/10.3/9.2, SunJDK1.8/1.7, Linux, Solaris, AIX, Windows2K, Windows7, EJB, JSP, Swing, Servlets, JDBC, JNDI, Struts, MQ Series, JavaScript, Oracle 11g/10g/9i/8i, Clear Case, Site Minder, Wily Introscope 10.0.5, OIM, OAM, Splunk 5

Responsibilities:

• Installed, Configured, and administered WebLogic 12c/11g/10.3 WebLogic Servers on Red Hat Linux 7
• Servers and wrote shell scripts for automation of WebLogic startup, and for log maintenance.
• Configured wls domains and its resources using python scripts and developed scripts to deploy applications
• Configured Clusters, Multipools using Oracle RAC, HACMP MQ Clusters and Worked on Various failover scenarios including BCP
• Wrote Shell scripts for High Availability and for user management across the Platform
• Configured ADS for various user authentication.
• Configured Introscope 10.0.5 MOM & Collectors for Monitoring Various applications and setting alerts. for any production issues. Created various dashboards, custom pbds for monitoring different metrics. Worked on Tomcat and WebLogic wily agents. Created Custom pad’s to trace various package/method/class calls.
• Configured Probe & also used Eclipse Memory Analyzer for fixing Memory Leak issues for Various applications.
• Opened Various Cases with Oracle for resolving various known issues and bugs associated with weblogic11g
• Provided 24/7 on-call support in both testing and production environment.
• Configured Splunk alerts for WebLogic, tomcat servers.
• Worked on Class Path Management and Various Security Providers.
• Created scripts for Automation of various tasks like file system Monitoring, Log Rotation, deploying applications, Bouncing the application servers, Resources Creation, Changing the Load order for various applications, Application server Monitoring.
• Installed, Configured and administered the JBoss Application Server 4.2/5.1.
• Installed, Configured and administer the Tomcat 6
• Installed and configured Apache 2.1 and Sun ONE (iPlanet) Web Server 6
• Worked on configuring channel secure Siteminder with web servers and WebLogic applications
• Conducted performance and scalability audits of applications and the application servers
• Tuned various applications by supporting various Load test scenarios and worked on capacity planning.
• Strong understanding of Oracle Identity Manager (OIM) and Oracle Identity Analytics (OIA)
• Experience in installing and configuring Oracle IAM solution components
• Developed Python scripts for wls and wli Domain Creation with all the resources.
• Documented all the processes involved in detecting, Troubleshooting and fixing various environmental issues.
• Ran Strace to trace system calls. Took Heap dumps, Thread dumps and analyzed for various issues.
• Enabled core dumps on Linux servers.
• Worked on configuring Single Sign-On using SAML 1.1 with WebLogic Server 9.2 /11g
• Incorporated the Versioning of Various code base on various environments using CVS.
• Working on Docker & Kubernetis and Ansible for moving to cloud technologies.
• Worked on Splunk in creating various searches, reports and dashboards.
• Installed and configured MOM & Collectors for wily Introscope and configured various dashboards for monitoring WebLogic, tomcat apps.

Confidential

WebLogic Administrator

Environment: WebLogic8.1/9.2, JDK 8, Jrockit, Linux, Solaris, AIX, Windows2K,EJB,JSP, Swing, Servlets, JDBC, JNDI, Struts, MQ Series, JavaScript, Oracle 10g/9i/8i, Clear Case, Site Minder

Responsibilities:

• Installed, Configured, and administered WebLogic 8.1/9.2 Servers/WebLogic Integration Domains on Linux, Solaris and wrote shell scripts for automation of WebLogic startup, and for log maintenance.
• Configured wls, wli domains and its resources using python scripts and developed scripts to deploy applications
• Configured Clusters, Multipools using RAC, HACMP MQ Clusters and Worked on Various failover scenarios including BCP
• Wrote Shell scripts for High Availability and for user management across the Platform
• Configured ADS for various user authentication.
• Configured Introscope 72 for Monitoring Various applications and setting alerts for any production issues. Created various dashboards, custom pbds for monitoring different metrics
• Configured Jprobe for fixing Memory Leak issues for Various applications.
• Opened Various Cases with BEA for resolving various known issues and bugs associated with weblogic91/81
• Provided 24/7 on-call support in both testing and production environment
• Worked on Class Path Management and Various Security Providers
• Created scripts for Automation of various tasks like file system Monitoring, Log Rotation, deploying applications, Bouncing the application servers, Resources Creation, Changing the Load order for various applications, Application server Monitoring.
• Monitored the Infrastructure using Nagios and created the alerts.
• Configured the Application Manager to monitor the applications.
• Installed and configured Apache 2.1 and Sun ONE (iPlanet) Web Server 6
• Worked on configuring channel secure Siteminder with web servers and WebLogic applications
• Conducted performance and scalability audits of applications and the application servers
• Tuned various applications by supporting various Load test scenarios and worked on capacity planning.
• Developed Python scripts for wls and wli Domain Creation with all the resources.
• Documented all the processes involved in detecting, Troubleshooting and fixing various environmental issues.
• Worked on configuring Single Sign-On using SAML 1.1 with WebLogic Server 9.2
• Incorporated the Versioning of Various code base on various environments using CVS.
• Tuned the TCP-related parameters in Operating System Level to improve system performance and reduce dropped connections.
• Tuned Hotspot JVM Heap Size by adjusting the PermSize, Survivor Ratio, Min, Max, Nursery and Tenured Spaces.
• Fine Tuned the JDBC Connections in production systems to avoid creating new connections on the fly during load spikes. We found the proper size during stress testing by monitoring the pool for waiters.
• Involved in configuring the Load Balancing and Fault Tolerance, State Replication using Clustering techniques.
• Involved with QA Team in the development of Stress Test Scenarios for J2EE applications and did the performance tuning by adjusting the Heap, Database Connections.
• Involved with the customer care and deployment teams in trouble shooting and fixing day-to-day problems of the applications in production on 24/7 schedule.
• Created SSL and Digital s for requesting, generating and implementation for the communication between web server and the Application Server.