SUMMARY

• Around 7.5 + years of experience in the IT discipline with almost 7+years of extensive experience as Web System Engineerin middle ware technologies asTomcat, WebLogic Server 8.x/9.x/10.xAdministration andWebSphere Application servers under heterogeneous environments - windows, UNIX, Red Hat Linux 6.x/7.x/8.x, SUN Solaris 8/9/10.
• Expertise in installation, configuration, Performance tuning, troubleshooting application servers in windows,Linux.
• Strong technical knowledge in configuring, implementing, support, workload management and performance tuning including Web server setup configuration with WebLogic, WebSphere, and tomcat Application Server.
• Expertise in installing and configuring of Web Servers like Apache, oracle http webserver and Iplanet webserver.
• Hands on experience in migrating enterprise applications and upgrading of WebLogic Server and updating JDK versions and installing service packs for WebLogic server, WebSphere application server and Tomcat application servers.
• Expertise in Configuring of JDBC connection poolsand Multi-pool, JMS, JTA, JNDI, Virtual Hosting, SNMP to administer the managed servers.
• Expertise in working on Cluster configuration, Load Balancing Workload Management, creation and maintenance of multiple Domains, including Machines, Managed Server instances, and Node Managers in oracleWebLogic environment.
• Hands on experience in taking and analyzing Thread Dumps, Heap Dumps and used Thread analysis and Heap analysis tools like samurai, Jhat and Jmap to analyze the dumps
• Deployed Applications (.WAR, .EAR and .TAR)in single and clustered environment.
• Experience in installing and configuring 3rd party monitoring tools for application servers likeSite scope, BMC patrol, Appman, splunk and Tivoli.
• Well versed in writing Shell Scripts to automate System Admin jobs and Created Cron jobs for timely running of jobs.
• Experience in Installing and Configuring external LDAP Servers using Netscape and Sun ONE directory Servers for user authentication.
• Experience in performance monitoring and load testing using Wily Introscope 7.x, Loadrunner .
• Hands on Experience in Configuring and managing Secure Sockets Layers (SSL) for data encryption and client authentication.
• In knowledge of Web Services, Service Oriented Architecture (SOA) including Aqualogic Service Bus and Oracle SOA Suite components.
• Hands-on experience on virtualization software like VMware and Oracle VM Virtual Box.
• Excellent design, troubleshooting, analytical, interpersonal and communication skills.
• Provided 24/7 on-call support for production

TECHNICAL SKILLS

Operating Systems: Solaris 8/10, Ubuntu Linux,and windows.

Scripting: Unix shell Scripting (Bourne)

Databases: Oracle9.x,10g,11g MS SQL Server 2000/2005/2008 , DB2,Siebel

Servers: Weblogic6.1/7/8.x/9.1/10.3.3,Jboss 4.2.x, Jboss 5.1 EAP, Tomcat 4/5, IIS, Apache2.x

Tools: MSOffice, Wily, Clear Quest, Quality Center, JRMC, Peregrine, Service connect, splunk, Appman,Tidal.

PROFESSIONAL EXPERIENCE

Middleware system Administrator

Confidential, Buffalo, NY

RESPONSIBILITIES:

• Monitoring WebLogic application servers
• Involved in Migratingof existing Applications to new Datacenter with all new infrastructure. Involved planning, design and execution of migration.
• Worked in upgrading the thick client application.
• Worked in integrating the http proxy servers with thick client application server
• Knowledge on WebLogic JMS queue.
• Fine-tunedJVM heap size, garbage collections, Java stack and Native thread and production performance.
• Created jrockit monitoring scripts for monitoring the claim server behavior.
• Performed QA, Integration, Staging &Production releases of application packages, server and application configuration changes and patches to the application components.
• Worked with development teams on thread dumps, heap dumps and helped to fine tune the application code.
• Involved actively in troubleshooting application issues by analyzing the performance metrics from WebLogic console and by taking thread dumps and heap dumps.
• Middleware products on Linux and Solaris OS.
• Coordinated production outages and facilitated resolution by working with several teams like UNIX, Network, Database, Infrastructure and Application teams.
• Setup of alerts using Appman tool for Memory, GC time out and fine-tuned environment.
• Configured the shell scripts to monitor the disk space, error messages in WebLogic application server log and trigger e-mails when any flaws observed.
• Used splunk to monitor the JVM, Heap, CPU usages.

Middleware Administrator

Confidential, LEXINGTON, KY

RESPONSIBILITIES:

• Installed, Configured and Administered Tomcat 6.0&Apache 2.x.
• Involved in Migratingof existing Applications to new Datacenter with all new infrastructure. Involved planning, design and execution of migration.
• Involved in Upgrade process from jdk from 1.2.5. to 1.4.5.
• Integrated Apache mod jk plug-in with tomcat connector.
• Fine tunedJVM heap size, garbage collections, Java stack and Native thread and production performance.
• Created & Installed SSL and Digital Certificates for requesting, generating and implementation for the communication between Web server and the Application Server.
• Created Deployment scripts for tomcat application server for regular day to day deployments of .war and.ear files,Created and enhanced custom start/stop scripts installed them in /etc/init.d which helps in box reboot
• Deployed applications on multiple Tomcat Servers and maintained Load balancing, high availability.
• Performed QA, Integration, Staging&Production releases of application packages, server and application configuration changes and patches to the middleware components.
• Performed Sync’s between the domains after production releases.
• Interacted with development teams and third party support personnel for quick and effective issue/case resolution and patch implementations.
• Involved actively in troubleshooting application issues by analyzing the performance metrics from tomcat JMS console and by taking thread dumps and heap dumps.
• Installed and configured Opem AM and oblix for SSO and integrated it with the web servers.
• Collaborating with other teams to get a full picture of the application environment and any bottlenecks or issues in that environment, including networking (firewalls, load balancers, routers), VM administrators and systems administrators.
• Provided 24x7 production supports for applications on systems running the fore mentioned middleware products on Linux and Solaris OS.
• Coordinated production outages and facilitated resolution by working with several teams like UNIX, Network, Database, Infrastructure and Application teams.
• Installed and configured Weblogic 11
• Configured the servers, node manager and cluster
• Configured JDBC, multi data source and JMS in weblogic 11g to connect with Oracle database
• Setup of Memory arguments, GC time out and fine tuned environment.
• Installed apache 2.x and integrated with weblogic 11g with mod wl.so module.
• Implemented the SSL certificates.
• Configured the shell scripts to monitor the disk space, error messages in Weblogic application server log and trigger e-mails when any flaws observed.
• Implemented and managing application server installation, configuration, tuning and deployment strategies for JBoss on Linux platforms.
• Implement policies for WebLogic server security, authentication/authorization policies, user registries in LDAP server and configure keys, SSL, wallets & certificates. Must have knowledge of configuring
• JBoss with F5 BIG-IP for security/scalability, configuring Apache HTTP WebServer plugin and strategize SSL termination/pass-through policies.

Environment: Weblogic 11g,Tomcat server6.0, Jboss6.0,Apache 2.x, Linux9/10,Sun Solaris 9/10, Oracle 10g,Nagios, IPcenter, Remedy, LDAP, SOAP UI.

Middleware Administrator

Confidential

Responsibilities:

• Purpose is to acquire knowledge on the TSL application and give KT and train Wipro employees.
• Responsible for Service Delivery and service support activities
• (Incident Mgmt, Problem Mgmt, Change Mgmt, Release Mgmt, Configuration Mgmt, Service Level Mgmt, Capacity Mgmt, Availability Mgmt, Process Management)
• Acquired knowledge on the Transfield Weblogic Environment
• Prepared the required SMTD documents and supportive documents
• Trained Wipro employees to support the Weblogic applications of TSL
• Worked as a primary support engineer and on call support engineer
• Worked and trained on all the Major changes and incident calls
• Involved in assigning roles and responsibilities to team
• Involved in designing the documents for shift rotations and shift plan.
• Involved in Major Code Releases for Production and Non-Production environments.

Middleware Administrator

Confidential

Responsibilities:

• Installed and configured WeblogicServer Portal/Core 10.3.2 on Solaris and Linux platforms.
• Involved in installed and configured WebSphere Application Server 6.1 and deployed various applications using Deployment Manager.
• Upgraded Weblogic Server Core and Portal domains from 10.0 to 10.3.2 in development and production environments.
• Developed custom shell scripts and WLST scripts which automate creation of domains with predefined Weblogic resources and deploy applications specific to the environments.
• Created BladeLogic jobs to provision Weblogic installation and to create Domains on Solaris and Linux boxes.
• Configured Weblogic resources like Managed servers, clusters, node manager, JDBC, JMS, SNMP, JNDI, JMX, Startup and Shutdown classes.
• Deployed various applications and libraries on clustered and non-clustered Weblogic servers.
• Deployment of Applications and import and export of Portal schemas.
• Integrated Weblogic with IPlanetLDAP Plug-in as authentication provider. This facilitated administrators to log into Weblogic consoles using their LDAP ids and eliminated the usage of shared ids.
• Secured the Weblogic system resources like JDBC, JNDI, JMS by defining security policies and by configuring custom security authorization provider.
• Created several portal PSL pools for caching and integrated with Documentum for content management.
• Created Weblogic Portal and Core domains in both clustered and non-clustered environments.
• Performed Desktop propagation of various portal resources from lower to higher environments.
• Generated SSL key pairs, CSRs and Self Signed/ Corporate Digital certificates, and configured SSL on Apache, Sun One and Weblogic servers.
• Installed SiteminderWebAgents and EP Agents on Web servers and Weblogic servers.
• Worked on security servers OAM,OVD,OIM and OID.
• Interacted with Business User (business stake holders) for Functional and Technical Issues for OA Framework and SOA.
• Involved in performance tuning and troubleshooting JVM parameters.
• Used the WebSpherewsadmin tool to manage WebSphere Application Server as well as the configuration, application deployment, and server run-time operations.
• Supported the Enterprise Service Bus (ESB)/ Service Oriented Architecture (SOA) tier.
• Involved in performance tuning and troubleshooting Weblogic Server 10.0/10.3.2 and worked with Oracle support to resolve issues.
• Worked with Application Developers, DBAs and Network administrators to resolve any issues in end-to-end testing of application.
• Provided 24/7 on call production support.

Environment: Weblogic 8.1/9.2/10.0/10.3 , JDK 1.4/1.5/1.6, JRocket 1.5/1.6, J2EE, JSP, Servlets, EJB, HTML, XML, Apache 2.0/2.2, Sun One 6.X, HP OpenView 9i, Solaris 10, RHEL, Oracle SOA Suite, WLST, Siteminder 6.X.

Middleware Administrator

Confidential

Responsibilities:

• Installed, configured, administered, troubleshooted and supported Weblogic8,9 and WebSphere Application Servers 6.0.x/ 6.1
• Successful implementations of Workload Management and High Availability using clustering techniques including horizontal and vertical clustering to provide for load balancing.
• Enabling Global securityInvolved with other team members in writing scripts to automate deployment process and backup procedures.
• Configuring of JDBC Providers, Data Source, Virtual Hosting, Global Security, SSL, LDAP.
• Collection of JVM statistics, garbage collection data for monitoring the heap and physical memory.
• Assembled and Deployed the application in staging, in productions, following change management practices and 24/7 support, worked in shifts.
• Analysing Activity log files and diagnosing Application Server problems.
• Designed, implemented, and refined wscp/wsadmin in support of J2EE application deployment and supporting resources.
• Involved in managing releases of products from development to QA to Pre-Production and Production.
• Deploy J2EE Application in WebSphere managed servers such as QA and Production.
• Involved in configuration of WebSphere Application Server resources like JDBC Providers, JDBC Data Sources and Connection Pooling to connect to Oracle.
• Deploying ear files to the applications on various environments including Production, Staging and Testing.
• Troubleshooting the application while when it is not working with checking application and web server status and error logs.
• Troubleshooting the application while when it is not working with checking application and web server status and error logs.
• Monitored Ticket Using Peregrine Tool
• Documented all procedures and any other important issues.
• Involved in code deployment and project releases for various projects under the CTRBS and CTO department of JPMorgan Chase and administer WebSphere Application server.

Environment: Weblogic 6.1,8,9 to 10.x,Websphere6, WLS Portal9.x/10.x,JBOSS 3.x, Tyger,Web- method, Sun One (iPlanet) Web Server 6.0, Apache 2.0, Tomcat 4.1/5.5,Sun one LDAP, NetegritySiteminder, java1.4.2, Oracle 9/10, Solaris 9/10, Topaz, Tidal, Tivoli, Autosys, Peregrine service center, Remedy,NDM,Citrix,Win-SCP,Hummingbird.