Venkata Gudelli

WebLogic Administrator

acp1qf@r.postjobfree.com

Ph: 201-***-****

Over 7 years of IT experience in administration, design, supporting various Systems, Middleware and Application server.

Experience working in a 24/7 on-call Production support environments.

Extensive experience in administration (installation, deployment, configuration) of Oracle WebLogic Application Servers, Clusters.

Experience in upgrading WebLogic Servers to new versions like 8.1/9.X to 9.X/10.X.

Experience installing and configuring iPlanet/Sun ONE, Apache, IHS and IIS Web Servers.

Experience in implementing Fail-Over, Fail-Back and Backup strategies for WebLogic environments and implementing WebLogic’s best practices for Deployments, System configuration, Infrastructure architecture implementation, fail over, backup and recovery, scalability and security, analyzing thread dumps.

Solid experience in deploying applications on multiple WebLogic Servers and maintaining Load Balancing, Failover and High Availability.

Experience with Garbage cleaning, Memory Leaks, JVM tuning & EJB3 deployments.

Experience installing SSL certificates for the WebLogic, iPlanet/Sun One, IHS and Apache

Experience with performing load testing, audits on WebLogic, UNIX and LINUX.

Experience Configuring and administering JDBC connection pools, JMS, JTA, JMX, JNDI, SNMP and Node Manager to administer the Managed Servers in WebLogic Application Server.

Experience with OS tuning and upgrades on Solaris and Linux.

Experience with monitoring tools like HP-OVO, Wily Introscope.

Experience on installing and configuring MQ.

Experience working on Jenkins.

Exposure to VMWARE, Big IP F5 load balancers.

Knowledge on configuring windows servers.

Knowledge on puppet.

Hands-on experience in setting up new environments for different Applications along with customized deployment scripts, start, stop scripts.

Experience in installing and configuring jboss servers.

Experience in working with Hardware and Software vendors to troubleshoot any issues.

Knowledge on site minder.

Provided Infrastructure based solution to various large projects defining the structure and relationship between OS and middleware architecture for technologies like WebLogic.

Middleware

BEA WebLogic Application Server 6.x./7.x./8.x./9.x/10.x., Apache-HTTP Server 1.3/2.0/2.2, Oracle RAC, Sun One Webserver 6.x (iPlanet 6.0), Apache Tomcat 6.x, MS IIS server 5.1/6.0(IIS6.0), JBoss, IBM-HTTP Server

J2EE Technologies

Servlets, JSP, JDBC, RMI, JMS, JTA, JNDI, JMX, EJB, Applets and swing components, AWT

Scripting Languages

WLST, UNIX Shell Scripting (Bourne, Korn, C and Bash), Perl Scripting, PHP Scripting, ANT Scripts.

Web Technologies

JDK 1.4/5/6, HTML, XML, DHTML, MSXML, ASPX, CSS, CGI

Packages

JDK 1.1/1.2/1.3/1.4/1.5/6, JSDK 2.0, J2EE

Performance Monitoring and Testing Tools

Wily Introscope, Jmeter, JProbe, Mercury Load Runner, Win Runner, Samurai, Oracle Identity Management, RSA Access Manager and Identity Manager, JRockit management console, TDA, jconsole, jhat, eclipse memory analyzer.

IDE’s/Utilities

Eclipse, WebLogic Workshop, MS Visual Studio 2005, Jbuilder, SSH, OpenSSL, Putty, VPN, VMWare, and WLST

Database

Pointbase, Oracle 8i/9i, MS SQL Server, My SQL, MS Access, and DB2

Networking & Protocols

TCP/IP, SS7, Telnet, HTTP, HTTPS, FTP, SNMP, LDAP, DNS, DHCP, ARP, SSL, IDM 6.0 and 7.0, ethereal, and WireShark

Other Tools

Adobe PhotoShop, Adobe DreamWeaver, Adobe Flash, MS Visio, MS Office

PROFESSIONAL EXPERIENCE

Verizon Wireless, Irvine, CA May’13- Present

WebLogic Administrator/support Engineer

Support Verizon wireless Access Portal Application.

24/7 on-call production support.

Installed WebLogic Server/Portal, Apache, WebSphere Application server and IBM HTTP Server, Sun One and iPlanet Web Servers.

Preparing detailed implementation plans, scripts for Production during Enterprise release.

Configure and deploy Wily IntroScope application monitoring tools and establish alerts and reports that complete application monitoring dashboard.

Monitored production alerts.

Monitored the CPU processes and other vmstats using Wily Introscope

Worked with Solaris team, during box issues.

Deployment and Troubleshooting of JAR, WAR and EAR applications in clustered environment with WebLogic.

Worked with network team, to failover traffic during production issues.

Fixed WebLogic out of memory issue in production.

Worked on jboss installation and configuration.

Integrate Siteminder and Janus with Apache webservers depending on the application requirement.

Expertise in writing WLST scripts using Jython/Python for starting, stopping servers,

Node managers and deploying applications.

Installed and configured Jenkins, worked on deploying through Jenkins.

Implemented Load balancing of web applications by configuring WebLogic proxy plugin.

Worked with DBA’s during high sessions and connection pool issues,

Provide deployment support during Enterprise releases.

Renewing certificates that are about to expire (WebLogic, Iplanet, Apache, Juniper, IBM HTTP Server and Web Sphere.

Experience on configuring ldap servers.

Performance tuning by Managing and Monitoring the JVM performance by WebLogic.

Heap size, garbage collection, executes threads, EJB Cache size, JDBC pools and multipools.

Implementing change requests and troubleshooting the issues by analyzing thread dump and heap dump.

Environment Shakeouts for future Enterprise Releases.

Responsible for assisting the team in tuning the JDBC Data sources and memory settings to increase the performance of the overall application.

Installed and configured jboss servers.

Installed and configured coherence servers.

Configured SSL Certificates for WebLogic and Apache servers.

Developed startup scripts to start WebLogic, Apache, Iplanet, IBM HTTP server and Web Sphere Application server, SiteMinder using sudo and suexec.

Work closely with all partner Application Development Teams to trouble shoot day-to-day application issues.

Environment: Web Logic 10.x, WebSphere 5.x/6.x, Apache 2.x Server, IBMIHS, IIS, SUNONE, Tomcat 5, SQL Server 2000, RedHat Linux, Windows 2000,Solaris9, Linux, F5 Load Balancer, Oracle 11g, JDK 1.5,HTML, JDBC, JNDI, JMS, SNMP, JTA, Spotlight, Site Minder,ANT, UNIX

Northern Trust Bank, Chicago, IL Oct’11 – Apr’13

WebLogic Admin

Configured database connectivity using JDBC and Connection pools. Oracle Application server 9i/10g was used in the backend.

24/7 on-call production support.

Automated and scheduled backups on all UNIX Machines using shell scripts.

Performance tuning was done with respect to system, connection pools. Execute threads and JVM heap size.

Develop domain monitoring java class using JMX to collect JDBC, JVM, and Execute Queue statistics for Managed Servers.

Document and establish standard processes to ensure repeatability for J2EE administrators.

Troubleshoot environment and application issues using BEA WLS support patterns as the standard methodology and provide root cause summary to application stakeholders.

Was responsible for overall architecture of a BEA deployment, using Portal, Integration and WebLogic Server.

Provided Migration configuration for transactions, security, services, JMS servers and services while transitioning from development to production environment.

Installed and configured Sun One Web Servers.

Installed Oracle 8i/9i/10g client software on the application server and configuring the connectivity using JDBC drivers for the database.

Installed and Configured LDAP server.

Worked on jboss application servers.

Installed and configured MQ.

Experience on installing and configuring ssl in webservers.

Actively involved in upgrading to various new Service packs regarding WebLogic, Sun ONE, iPlanet, Apache/Tomcat.

Performed extensive trouble shooting experience including stack trace analysis and JVM tuning experience by changing to heap sizes according to the requirement.

Wrote scripts (start, stop & ping) for web application server administration.

Configured and monitored JNDI, security realms. Configured Apache web server and WebLogic plug-in.

Worked on securing Web Applications. Applied patches service packs for security, performance, bugs etc.

Worked with IDM and Oracle security Middleware teams in troubleshooting issues in dev, test, stage and production environments.

Environment: BEA WebLogic 7.0, IIS 5.0, Unix/Linux, WindowsNT/2000, Shell/Perl Scripting, Oracle 8i, Apache Server 2.0, SiteMinder.

Ally Bank, Charlotte, NC. Apr’10 – Sep’11

WebLogic Administrator

Deployed applications (WAR, JAR, and EAR) in Domain and Clustered environments of WebLogic 9.2/10.3

Effort was spread across multiple domains, from setting up F5 BIG-IP load balancers, working on MySQL replication, as well as general Linux systems administration.

24/7 on call production support.

Configuration, Installation and administration of WebLogic in 9.x / 10.x on Linux servers.

Worked on Sun One and iPlanet Web Servers

Performing daily checkups and manual workarounds on production environment.

Responsible for deployment of applications, performance tuning the application server and configuring JDBC, connection pools and JMS server.

Installation and configuration of Apache 2.4.1

Knowledge on ssl.

Monitoring the database, WebLogic, tuxedo error log files and application error log files to track and fix bugs.

Configure and administered of Web logic server 10.3 with Oracle10g database

Installed, configured jboss application server.

Knowledge on MQ.

Analyzed application health and performance using Fog light.

Extensive experience in troubleshooting WebLogic Production problems and resolve the Customer facing application issues.

Design, develop and deploy Business Processes Orchestrated in BPEL and ESB using Oracle JDeveloper and SOA Suite 11g.

Knowledge on ldap servers.

24X7 On-call support for production and non-production environments which included product test, staging, training and break fix environments.

Environment: Web logic 9.2/10.3, Apache 2.2/2.4,Tomcat, F5 BIG-IP load balancers, Solaris 9/10, Linux 8.1, Java, J2EE SOA Suite 10.1.2.x, Foglight, Siteminder, Exchange server 2003 and Outlook clients.

Marsh & Mclennan Companies, NJ May’08 – Mar’10

WebLogic Administrator

Responsible for Installation, Configuration and Administration of BEA WebLogic Application Servers 6.1, 7, and 8.1 on SUN Solaris, Microsoft Windows 2000, 2003 Server Platforms

Responsible for WebLogic Domain and Cluster Creation and Management for High availability

Involved in WebLogic 8.1 performance testing and analyzing performance metrics

Provided complete migration support for WebLogic from WebLogic Server 6.1 to WLS 8.1

Assisted developers, programmers, database administrators, and other users in resolving WebLogic and application related issues

Achieved best performance by tuning WebLogic environment, application tuning, and kernel level OS tuning by automating the tasks to obtain performance metrics. Tasks include JAVA Heap, CPU performance, JDBC performance, detecting memory and connection leaks etc.

Responsible for Design and Development of WebLogic application deployment Scripts

Deployment of various application packages including JAR, WAR, EAR, RAR, and properties using custom scripts in Development

Providing performance and system statistics and analyzing the bottlenecks using Wily Introscope

Installation of SSL certificates for the WebLogic clustered environment

Creating and configuring connection pools for the applications.

Knowledge on jboss application servers.

Designing and implementing the Application, Database Fail-Over strategies

Provided 24x7 on call production support

Involved in WebLogic Cluster configuration for Load Balancing and Failover conditions

Environment: BEA WebLogic 6.1/7/8.1, JDK 1.3.1, JDK 142_05, Apache Web Server 1.2, iPlanet Web Server 6.0, Oracle 8i, Microsoft Windows 2000, 2003 Server, Microsoft Active Directory Services, SUN Solaris 7/8/9, IBM AIX 5.2, DNS, DHCP, NIS, NIS+, NFS, Wily Introscope 4.0

Evoke Technologies, India June’07 – Mar’08

WebLogic Admin

Supported on call schedule for Production Support.

Deployed the applications like formats of WAR, JAR, and EAR in WebLogic8.1.

Install, configure and administerBEAWebLogicServer8.1 in various environments.

Setting up the cluster environment for WebLogic Server integrated with multiple workflows.

Configure Clustering EJB objects, JDBC connections and JMS connection factories.

Deployed the applications on multiple WebLogic Servers and maintained Load balancing, high availability and Failover functionalities.

Installed and configured Apache Web Server in various environments.

Configured and administered of WebLogic server with Oracle9i database.

Configured LDAP using Sun ONE Directory Server for user authentication.

Involved in doing a performance benchmark of WebLogic server by using LoadRunner.

Research and Troubleshooting of emerging application issues, from WebLogic configuration to code issues.

Developed ANTbuildscripts, UNIX shell scripts and auto deployment process.

Configure JNDI server as repository for EJB Home stubs, JDBC data source, JMS connection factories, queues and topics.

Applying the patches to the WebLogic servers.

Integrating and managing solutions with IIS, iPlanet LDAP, and Directory Smart single sign-on.

Problem determination using local error logs and by running user traces and service traces.

Environment: JDK1.4, J2EE, Jrockit8.1, JSP, Servlets, EJB, LDAP, JDBC, XML, Oracle9i, WebLogic Server 8.1, Win2K, AIX, Solaris, Linux.

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