SUMMARY

• Seven (7) years of experience in the information technology discipline with over 6 years in ORACLE WebLogic, JBoss Administration/Development/Deployment and other web/app servers like IBM HTTP Server, Apache, Sun One (iPlanet).
• Configured the WebSphere and Portal application servers on different UNIX platforms as part of building the environments.
• Expertise in administration of ORACLE WebLogic (8.1/9.2 /10/10 g/11g/12c), Sun - Solaris 8/9/10, AIX, TIBCO, WebSphere (6.2/7.0/8.5), Red Hat Linux and Windows environments.
• Provided 24/7 on call Pre-Production and Production support.
• Expertise in installing, configuring and trouble-shooting application servers like ORACLE WebLogic (8.1/9.2/10/11 g), and WebSphere(6.1/7.0) and web servers like iPlanet, IBM HTTP Server, and Apache on Sun Solaris, Linux and IBM AIX platforms.
• Upgraded WebSphere portal application server from lower versions to higher versions. Resolved the issues with respect to DB2 server configuration of WebSphere Portal servers. Deployed the portal applications using console and XML scripts.
• Migration experience, from WAS 5.x to WAS 6.1/8.0, WPS 6.1/7/8.5 and WAS 7.0 to WAS 8.5.5, JBoss 5.x to 6.x.
• Building highly available, scalable, redundant, high throughput WebLogic/WebSphere environment systems using clustering.
• Excellent skills in thread dump, core dump and memory leak analysis.
• Excellent skills in monitoring and troubleshooting problems using OS commands as well as monitoring tools like Wily Introscope, Jprobe etc.
• Configured clusters, load-balancing and failover solutions.
• Integrate Webserver and Siteminder to provide SSO authentication.
• Implemented security and configuration of LDAP, Netegrity SiteMinder single sign-on, configuring Multi Master and Single Master Configurations and replications for MS Active Directory.
• Good Knowledge of Cloud based services.( Amazon Web Services)
• Strong programming experience in J2EE 1.4, JDK 1.3/1.2,J2EE technologies-Servelets, Applets, JSO, JDBC, JMS, JavaMail, EJB, XML, Struts, SOAP, CORBA.
• Experience in writing and modifying POWERSHELL, WLST, JYTHON, PYTHON and ANT scripts for atomization and monitoring purposes.
• Performing backup and recovery when new technologies related to webservers is being installed or upgraded. Good knowledge on performance managing tools.
• Good knowledge on application performance managing tools.Worked on tuning various application server metrics such as heap sizes, GC policy, Connection pool size, thread pools etc. to ensure optimal response times and seamless performance.

TECHNICAL SKILLS

Platforms: Solaris (8, 9, 10), Red hat, AIX, HP, Linux (RHEL).

Languages: Java, C/C++/C#, ASP.NET, HTML/DHTML, XML, JSP, UNIX Shell, SQL.

Packages: J2EE,JDK 15/1.6/1.7/1.8 ,JSDK 2.0, JSWDK, BDK, JFC, JRockit.

Databases: SQL, MySQL, DB2 and ORACLE 8/9i/10g, MS Access.

Tool: Win Runner, Load Runner, Sitescope, AppDyanaics, wily Introscope, Site minder, JProbe, Foglight, JRms, Samurai, SumoLogic.

Web Servers: Sun One, Apache, Tomcat, Microsoft IIS, IBM HTTP.

Application Servers: WebLogic 8.1/9.2 /10/11 gRx/12, WebSphere 6.1/7.0/8.5, JBOSS 5.1/6.0.

Protocols: TCP/IP, SNMP, POP/SMTP, HTTP, and FTP, UDP.

Environment: s: JDK 1.4, J2EE, JSP, Servlets, EJB, LDAP, JDBC, JMS, XML, ORACLE 9i, WebLogic Server 8.1/9.2/10.3 , WebLogic Portal, ORACLE Tuxedo, Sun One 6.0, Apache 2.0, IIS, Ant 1.5.1, WIN NT/98/2000, Sun Solaris, AIX, Linux, Springbatch.

Scripting: KSH, BASH, WLST, PERL, PYTHON, ANT/MAVEN scripting.

PROFESSIONAL EXPERIENCE

Confidential

WebSphere/ Dynatrace Administrator

Environment: WebLogic (12c/11gRx/10.3), Linux, Apache, Tomcat, IBM WebSphere (8.0/8.5) and ORACLE (10g/9i) JDBC, JSP, RHEL, Agile, SharePoint, Site Minder, Wily introscope, Dynatrace 6.5 and SOAP, BIG F5 Load Balancer.

Responsibilities:

• Installed, configured, and maintained ORACLE WebLogic (11gRx/10.3.x/9.2), WebSphere on Linux & Windows platforms in development, staging and preproduction environments.
• Configured WebSphere global security with LDAP registry. Created users with various roles to access the WebSphere admin console, users and groups in LDAP and added them as WebSphere Console Groups.
• Experienced in performance tuning by tweaking WebSphere configuration parameters like JVM heap size, jvm web container threads, DB connection pooling etc.
• Installed, configured, and maintained ORACLE WebLogic (11gRx/10.3.x/9.2), WebSphere on Linux & Windows platforms in development, staging and preproduction environments.
• Migration from existing data center infrastructure to AWS cloud.
• Performed configuration, deployment and support of cloud based services.
• Automated AWS EC2 server builds and AWS security group associations through the use of AWS application programming interface.
• Configured and installed different versions of Dynatrace as part of performance tuning.
• Created the Dynatrace collectors and agents to communicate between the application jvms to collect the Data.
• Involved in migrating the Dynatrace version from 6.1 to 6.2
• Created the Dynatrace profiles, Dashboards, Diags and sensors as part of application monitoring.
• Used different attributes in Dynatrace which include pure paths, pure path times to know the application bottle necks.
• Created the heap and thread dumps from Dynatrace as part of load testing.
• Monitored and suggested the respective changes for high Dynatrace response time transaction calls.
• Design, maintain High Availability(HA) operational model, optimized scalability and capacity planning of the servers that host the process servers and application servers
• Working exp with CA Wily Introscope, Dynatrace and HP performance manager to monitor key performance indicators for a system like CPU Utilization, Peak Disk Utilization, Active Processes, Run Queue Length, Network Input Packet Rate, Network Output Packet Rate etc.
• Administered the MQ Queue manager, Queues and Channels, Debugging the day to day problems.
• Implemented theclusteringof queue managers to achieve work load balancing and to reduce system administration.
• Installations and maintenance of WebSphereApplication Servers on different UNIX platforms and setting up the development, testing, staging and Production environment for the on-going application development.
• Troubleshoot Migration issues, Node Manager issues.
• Involved in creating MQ clusters across the Platforms between Solaris, windows and Mainframe.
• Configured the Apache & IIS as a front-end proxy server to the WebLogic & JBoss application server.
• Configuring servers in both standalone and domain mode.
• Performed MQSeries Administration including inter-communication setup between Queue Managers, Triggering MQ Queues, Clusters and Repository Queue Managers.
• 24X7 on-call production support and troubleshooting problems related to WebSphere Application Server and MQ Series.
• Good exposure to IBM MQ Services.
• Experience in analysis design, development, testing, deployment and monitoring of EAI projects using TIBCO products.
• Creation/modification of existing/new SHELL, WLST and ANT scripts for monitoring and atomization of environments.
• AttendingERTCallsforProductionIssues.
• MonitoringHealthofWebLogicServersinProduction. Experience in handling Java and Sun Hotspot performance JVM tuning.
• DeploymentofcodeonWebLogic11gRx/10.3.x/9.2server and portal in production mode.
• Logoinsertions,clearingWebLogiccacheandDBSchemamappingforWebLogic.
• GigaspaceinstallationandconfigurationinUAT/Staging/Production.
• Development of infrastructure, Installation and support ofSystem,Test, UAT, Staging and ProdEnvironments.
• WebLogiclogarchivalsandApachelogarchivalsinProduction.
• AnalysisofWebLogicThreadDumpsusingtools.
• ProductionShellScriptsEnhancements.
• AssisttestingeffortswiththeclientandWebLogicissuesfollowuptoclosure.
• Statusreportgeneration.
• Involved in support analysis and monitoring and management architecture of the project for various TIBCO interfaces.
• RequirementgatheringforWebLogicmigrationinUAT/StagingEnvironments.
• Proficient in deployment and troubleshooting of JAR, WAR and EAR files in domain and clustered environments

Confidential, San Francisco, CA

Production Support Analyst/Dynatrace Admin

Environment: WebLogic(9.2/10.3.4),Dynatrace 6.3,Sun Solaris(10/11),SOA Suite 11g, OSB 10g, JDK1.6, J2EE, JSP, Servlets, EJB, LDAP, JDBC, XML,RESTFUL webservices, Apache, UNIX, Red Hat LINUX, ORACLE9/10gi.

Responsibilities:

• Installation and configuration of ORACLE WebLogic Server 10.3 and 9.2 and WebSphere in servers development, staging, preproduction and production environments.
• Responsible for administering WebSphere Application Servers and IHS Web Servers.
• Implemented horizontal and vertical clustering of application servers for achieving work load management (WLM) and avoiding single point failure and making all the application servers highly available.
• Experience in working at various data centers.
• Knowledge of Dynamic Clustering Enabled by Virtualized resource pool and On Demand Router.
• Knowledge on web sphere Extended Deployment(XD)
• Having Knowledge on Dynamic Clustering controllers Application Placement Controller (APC) enables dynamic Resource allocation.
• Conceptual knowledge of installing and Configuring Web sphere MQ server 5.x/6.x on Linux and Windows platforms.
• Much experienced in providing HA solutions for WebSphere MQ infrastructure using Queue, Hardware clustering.
• Knowledge of installation and configuration of IBM HTTP Webservers, DB2, and WebSphere Edge Components and good understanding of how WebSphere Portal and WebSphere application server fits into an overall SOA architecture.
• Experience in bothJACLandJythonscripting usingwsadmin, and also shell scripting for various automation tasks and troubleshooting.
• Expert in creating and configuring of clustered and nonclustered WebLogic Server domains.
• Deployed applications on multiple WebLogic server instances maintaining Load Balancing and High-Availability
• Configured and administered connection pools, multi-connection pools and data source objects for JDBC connections.
• Configured JNDI server as repository for EJB Home stubs, JDBC data source, JMS connection factories, queues and topics.
• Installed and configured different versions of Dynatrace as part of application monitoring.
• Worked with the load testing team and analyzed the data using Dynatrace as part of application tuning. Used different attributes in Dynatrace to tune the application.
• Worked with the application teams to know the bottle necks using Dynatrace.
• Involved in migrating lower versions (5.0) of Dynatrace to higher versions (6.1).
• Created the heap and thread dumps as part of performance test to know the issues that's causing performance degradation from Dynatrace.
• Troubleshoot emerging application issues i.e. WebLogic configuration to code issues.
• Extensively involved in performance tuning and monitoring of various applications.
• Configured JDBC connection pool and multipool with ORACLE, Sybase and SQL Server.
• Configured Apache to act as a proxy server for backend WebLogic and Tomcat application servers.
• Expert in configuring and deploying web applications on Tomcat application server.
• Administration of active applications, application performance monitoring - recycling the application server including installation of plug-ins for iPlanet (Sunone 6.1) Webserver.
• Configured clustering for EJB objects, JDBC connections and JMS connection factories.
• Configured and deployed applications in work environments like Development, Test, Certification and Production.
• Configured Netegrity, SiteMinder, LDAP using MS Active Directory Server for user authentication
• Troubleshooting multicast issues with WebLogic Java Utility Multicast Test.
• Deploy Portlets in a clustered environment for WebSphere portal.
• Working knowledge of MQ series messaging Service. Advanced JVM tuning.
• Experience in troubleshooting on issues such as out of memory, memory leaks, and hung session. Requirement gathering for WebLogic migration UAT staging environment.
• Developed RESTFUL web services using XML.
• Expertise in SOA 11g installation, configuration, troubleshooting and maintenance
• Upgradation of WebLogic servers in development, testing and production environment and applying patches.
• Involved in performance tuning of JVM and used garbage collection algorithms for better performance.
• Designed & developed LDAP Authentication & Authorization Service using Java, LDAP, and JNDI.
• Configuration of WebLogic proxy plug-in and applications on servers like Apache2.0, HTTP Server, Apache 2.2 HTTP Server, Apache TOMCAT 5.x, 7.0 and Sun One (Iplanet) 6.0, 7.0.
• Responsible for configuring Secure Socket Layers (SSL) for data encryption and client authentication.

Confidential, UT

WebLogic Administrator

Environment: ORACLE WebLogic (9.2/10.3), IBM WebSphere 7.0, Sun Solaris (8/9), Iplanet 4.0 Webserver, BMC Patrol Monitoring tool, Apache Tomcat.

Responsibilities:

• Involvement 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.
• Migration from WebLogic 9.2 to WebLogic 10.3.
• Administration and configuration of WebLogic 8.1 in deployment and production environments.
• Creation of development environments for developers Shell scripts and source code management systems
• (ClearCase).
• Involved in installation and configuration of Ms Exchange 5.0 and 5.5 based messaging systems for internal use and for POP3, SMTP access.
• Application deployment (WAR, JAR, EAR).
• Troubleshoot Solaris issues like High CPU, Memory Utilization, File system Full and managing NFS.
• Development and maintenance of Shell scripts that facilitate the administration of ORACLE WebLogic.
• Configuration and clustering of WebLogic Application Servers.
• Load balancing and performance tuning.
• Troubleshooting WebLogic server connection pooling and connection manager with ORACLE 8i, and DB2.
• Creation of SSL and Digital Certificates for requesting, generating and the implementation of the communication link between the web server and the application server.
• Developed scripts to monitor JDBC connection pool status, JVM Heap size and JMS messages in the destination queues in the production environment.

Confidential

Middleware/System Engineer

Environment: WebLogic 9.1, Apache 1.3, Java, JMS, JDBC, UML, XML, ORACLE, Solaris, Linux, Windows NT and Jprobe

Responsibilities:

• Installation and Configuration of WebLogic Application Servers on Linux and Solaris.
• Installation and Configuration of Apache Web server.
• Deployed applications on Apache Tomcat.
• Generate and Install the SSL Certificate.
• Deployment of .war and .ear files in Non-Production and Production environments.
• Responsible for setting customized Site Minder Logins, Custom error responses on Apache web server
• Configure Message Bridge and JMS Queues and topics.
• Server Performance tuning and Trouble shoot the applications and server side issues.
• Create the Data Source, Connection Pool and test the Connection to connecting the DB or Not.
• Creating the virtual hosts in apache Webserver and WebLogic Server
• Creating the New Users and groups in WebLogic app server and provide the Global Roles
• Application backup with tar and zip.
• Provided On Call support 24/7.
• Scripting to automate starting and stopping servers on physical reboot of Servers, ftp files between servers and local machine, check status of servers and mail etc.
• Dealt with issues like Application Deadlock, High CPU, server hang up, and profiling the memory with third party tools like Jprobe and Optimize IT.