Rajesh T

Email: aczjb8@r.postjobfree.com Phone: (M) 484-***-****

Professional Summary

Overall 10+ years of extensive experience in the IT industry on design, implementation and maintenance of Enterprise Applications using Red Hat JBoss 4.x, 5.x, 6.x, 7.x EAP, Apache Tomcat 5.x, 6.x, 7.x, Oracle WebLogic 11g, 10.x, 9.x, 8.1 server on heterogeneous environments like UNIX (Solaris/AIX/Linux) and Windows NT/2000 environments.

Experience in installing, configuring and administering JBoss Application Server 7.x/6.x/5.x/4.x on Linux Environments and Windows Environment.

Proficient in Apache 2.x with mod_jk and mod_cluster implementations

Extensively worked as administrator comprising Server Configuration, installation and configuration of JBoss, WebLogic, Tomcat and Apache, Deployment of components and performance tuning including troubleshooting and maintenance.

Excellent working knowledge of Operation & Production Support with large mission critical systems in multiple technologies and platforms including JBoss, WebLogic, Tomcat, Apache and UNIX.

Excellent working knowledge in configuring multiple WebLogic domains including machines, manage servers and cluster environments.

Strong knowledge of deployment of J2EE applications on JBoss 4.x, 5.x, 6.x EAP, WebLogic 8.1/9.x/10.x and Apache-Tomcat.

Configured and administered JDBC Connection pools/Data sources, Multi pool configuration with Oracle, My SQL, DB2 and SQL Server etc, JMS Connection Factories and other JMS artifacts like JMS Servers, Distributed Queues

Expertise in migration and upgrade of JBoss, WebLogic, Tomcat, Apache, environments and updating JDK versions, applying patches and installing service packs

Experience working on Amazon Web Services Cloud. Installation, Administration & Troubleshooting of applications deployed on AWS cloud.

Created, configured and implemented Security Groups, Elastic Compute Cloud (EC2 instances), Elastic Block Store (EBS), Simple Storage Service (S3), Elastic Load Balancer (ELB), Elastic Bean Stalk (EBS), Subnets, Snapshots, CloudWatch on Amazon Web Services Cloud

Expertise in IAM in creating Users, Groups, Policies, managing the users across the Cloud environment on Amazon Web Services Cloud

Expertise in managing AMI/Snapshots/Volumes, upgrade/downgrade AWS resources (CPU, Memory, EBS) for optimal utilization

Expertise in ELB configurations and troubleshooting the applications hosted on AWS Cloud

Hands on experience in a Linux environment with Apache Tomcat, Apache 2.2, PHP 5.x setup on EC2 instances

Configured Apache 2.2.x with PHP 5.x on RHEL 6.x with MySQL (LAMP) to host the sites on AWS Cloud

Expertise in hosting sites using Open Source tools WordPress, Drupal on AWS Cloud

Extensive hands-on experience in setting up multiple clusters and implementing Load Balancing, High Availability and Failover functionality.

Provided 24x7 on call support in production environment on rotation basis.

Deployed various WAR, JAR, EAR and J2EE applications on managed servers and in clustered environment using Console or auto deployment scripts in stage and production.

Strong experience in Performance Tuning, Monitoring and Troubleshooting using Admin Console and JMX, Load balancing and optimizing the J2EE Web Application Infrastructure in Production, Staging & Integration Environments.

Monitored performance and tuned JVM heap and garbage collector parameters.

Configuration of Web Server proxy plug-in and applications on servers like Apache 2.x HTTP Server.

Good experience in configuring and managing secured environments using SSL and digital certificates.

Performed thread dump analysis manually by looking for common symptoms like dead locks.

Performed Thread analysis and Heap analysis using various tools like TDA, Samurai.

Developed startup and shutdown scripts for JBoss and WebLogic servers.

Installation and configuration of Oracle Netpoint Webgate services for single-sign and using PXED authentication for applications

Experience with Monitoring Tools AppDynamics and AppInternals (Panorama)

Expertise in Enterprise Architectural Design using J2EE.

Coordinated with Oracle, BEA, RedHat vendors to resolve issues related with middleware products.

Excellent problem solving skills with a strong technical background and good communication and interpersonal skills. Self motivated and a good team player.

Experience in troubleshooting failed mission critical production systems under extreme pressure conditions and time constraints.

Meeting the SLAs and in charge for Production Service Deliveries.

Mentoring & providing Technical Guidance to the Team

Day to Day Interaction with the Client

Status Monitoring & Weekly review Meetings with the team.

Involved as primary engineer for highly clustered and UNIX based applications.

Worked with application, Network, UNIX, PXED, DTS and DB team to resolve application, network, UNIX, Oracle I&AM, NAS and Database related issues respectively.

Implemented DR testing and documented it.

Application Servers

Red Hat JBoss 3.x, 4.x, 5.x, 6.x; Oracle WebLogic 11g, 10.x, 9.x, 8.1 server; Apache Tomcat 5.x, 6.x,7.x

Web Servers

Apache Web Server 2.x, Microsoft IIS 5.0, 6.0, iPlanet/SunOne 5.1, 6.1

Cloud Infra

Amazon Web Services

Databases

Oracle 8i, 9i, 10g; MS SQL, MYSQL

Programming Languages

Java (JDK), J2EE - Java Beans, Servlets, EJB, RMI, JSP, Applets, ASP, JNDI, RMI, IIOP, Java Mail API, JMX, SQL, PL/SQL, JDBC/ODBC, SOAP

Web Technologies

HTML, XML, DHTML, XSLT, CSS

Operating Systems

RedHat Linux 3.x, 5.x, 6.x, Sun Solaris 9, 10 & Windows XP, NT, 2000, 2003 server, 2012R2 (Platform Support)

Other Tools

Blue Titan, Net Tracker, SOAPUI

Performance Monitoring Tools

HP Sitescope, JMeter, Samurai, TDA, AppDynamics, AppInternals

Scripting

WLST, Unix Shell Script

Protocols

TCP/IP, Telnet, SSH, HTTP, HTTPS, FTP, LDAP, DNS, DHCP, SSL

Packages & Utilities:

MS Office, Adobe Photoshop, Adobe Acrobat

Professional Experience:

Pfizer Global Pharmaceuticals Jan 2014 – Till Date

Middleware Architect

Collegeville, PA

Responsibilities:

Performed 24x7 Production support for the several applications across different business areas.

Installed, configured and administered JBoss 4.x/5.x/6.0, WebLogic Server 10.3.x/11g, on Red Hat Linux 5.x, 6.x, Solaris 10 and Windows environments.

Worked on administration, installation, configuration and tuning of JBoss EAP 4.x/5.x/6.0, WebLogic Server 10.3.x/11g, Tomcat 5.x/6.x/7.x

Performed J2EE application deployment and administration including JAR, WAR, and EAR files.

Configure and administered of Connection pools for JDBC connections, JMS in Weblogic Server 10.3.

Installed and configured SSL certificates on Apache Web Server, JBoss and WebLogic Application Servers in various environments.

Configured and administered JBoss and WebLogic servers with Oracle9i/10g database.

Deployed the applications on multiple JBoss servers and maintained Load balancing, high availability and Fail over functionality

Created JBoss EAP 6.x domains with instances across different physical services using domain controller and host controller

Created datasources using JBoss EAP 6.x centralized web console

Managed application deployments onto JBoss EAP 6.x instances using centralized Jboss console.

Installed and configured Weblogic 8.x/9.x/10.x plug-ins on Apache 2.x

Working on Installation, Administration & Troubleshooting of web applications deployed on Amazon Web Services Cloud.

Created, configured and implemented Security Groups, Elastic Compute Cloud (EC2 instances), Elastic Block Store (EBS), Simple Storage Service (S3), Elastic Load Balancer (ELB), Elastic Bean Stalk (EBS), Subnets, Snapshots, CloudWatch on Amazon Web Services Cloud

Created Users, Groups, Roles, Policies in IAM managing the users across the Cloud environment on Amazon Web Services Cloud

Created AMI/Snapshots/Volumes, upgrade/downgrade AWS resources (CPU, Memory, EBS) for optimal utilization

Performed OS level disk mount/unmount with resizing the disks using Volumes on RHEL 6.x on AWS

Created ELBs with SSL configurations for various applications hosting on AWS Cloud Infra

Hands on experience in a Linux environment with Apache 2.2.x, PHP 5.x and MySQL (LAMP) setup on EC2 instances

Configured Apache 2.2.x with PHP 5.x on RHEL 6.x with MySQL to host the sites on AWS Cloud

Hosted sites using Open Source tools WordPress, Drupal on AWS Cloud

Created and Configured Data Sources for database connectivity and JMS resources.

Used Config wizard and WLST scripts to create and manage Weblogic domains.

Performance tuning of JVM heap size, garbage collections, java stack and Native thread & production performance.

Created Shell scripts to automate Cron jobs and system maintenance. Scheduled cron jobs for job automation.

Applications migration of JBoss/Weblogic server from previous version to current versions.

Troubleshoot Weblogic Server connection pooling and connection manager with Oracle, DB2

Researched and performed troubleshooting on emerging application issues, from JBoss/Weblogic configuration to code issues.

Analyzing thread dump and heap dump for JBoss and Weblogic application servers.

Active involvement in monitoring the server performance, network traffic to reduce performance bottleneck.

Deployed WARs, EARs using Weblogic Admin Console as well as running scripts.

Experience in configuring Weblogic domain across Data Centers in production environment.

Worked with ACE load balancer for high availability load balancing of traffic to the various internet web services.

24X7 on call production support, technical support, trouble shooting, problems related to oracle JBoss and WebLogic Servers.

Environment:

Red Hat Jboss 4.x/5.x/6.x, WebLogic Server 11g, 10.3.x/9.x, Tomcat 4.x/5.x/6.x/7.x, Apache 2.2.x, PHP 5.x, Amazon Web Services, JDK1.6, J2EE, JSP, Servlets, EJB, LDAP, JDBC, XML, Apache,, UNIX (Solaris 8/9.0/10.0, LINUX 5 ), Oracle9/10gi, Win2K.

Pfizer Global Pharmaceuticals Sep 2012 – Dec 2013

Lead Consultant

Collegeville, PA

Roles and Responsibilities:

Installed JBoss EAP server 5.x/6.x and configured the domains.

Installed Weblogic Application server 8.1/9.2/10.3 using graphic and silent mode and configured the Weblogic domain.

Performed Weblogic server administration tasks like configuring Managed servers and setup cluster environment.

Worked in a production environment supporting mission-critical applications.

Installed and configured Apache HTTP Server 2.x Web Servers in various environments.

Performed migrations from JBoss 5.x to 6.x

Performed migration and upgradation tasks like upgrading WebLogic server 9.2 to Weblogic 10.3 and updating JDK’s and installing service packs and patches for Weblogic Server.

Troubleshooting everyday problems and issues by interacting with developer and testing teams and provided 24x7 On Call Production support on rotation basis.

Deployed various J2EE and enterprise applications (WAR, JAR, RAR, EAR) on managed servers and cluster environment and maintained Load Balancing, High Availability and Failover.

Installed and configured plug-ins for Apache HTTP server Web server to proxy the requests for Weblogic server.

Configured and administered JDBC data sources/multi data sources on Weblogic 9.2

Involved in monitoring error logs, troubleshooting and fixing the problems.

Implemented security by configuring Secured Socket Layer (SSL) for client authentication and data encryption.

Configured connectivity with SSL for App Servers and Web servers for applications in all environments.

Developed and ran UNIX shell scripts and implemented auto deployment process.

Troubleshooting with Thread and Heap analysis Using Samurai thread dump, TDA and Heap Analyzer for detecting blocking and locked threads.

Working knowledge of JMS using IBM MQ Series.

Implemented standard backup procedures for Weblogic server.

Experience in migrating from weblogic 8.1 to 9.2 and from 9.2 to 10.3.

Involved in assisting QA team in Load and Integration testing of J2EE applications on WebLogic Server.

Experience in working with Toad to run basic production support queries.

Supported developers and QA by maintaining test environments and configuring application servers to development specifications.

Consult with IT project management, product management, development, and engineering teams to discuss capacity planning and resource allocation.

Pfizer Global Pharmaceuticals Oct 2010 – Aug 2012

Technology Lead

Bangalore, India

Roles and Responsibilities:

Install, configure and administer JBoss and WebLogic Servers in various environments.

Configuring and Administering JDBC, JMS, JNDI in WebLogic Server 10.0/8.1.

Install and configure Microsoft IIS, Apache, and Tomcat Web Server in various environments.

Configured LDAP and installed the applications with data sources.

Extensively configured JBoss and WebLogic servers and Worked on Application support.

Worked Extensively on Auto-Deployment using Shell scripts.

Configured and administered WebLogic Portal server with Oracle9i database.

Integrated WebLogic Portal Server with Sun One Web Server.

Deployed the applications on multiple WebLogic Servers and maintained Load balancing,

High availability and Fail over functionalities.

Enabled Java Functionalities and created Thread Dumps and analyzed them with the Samurai Tool.

Configured Connection Factory and Distributed Queue as JMS system resources.

Configured Node manager to remotely administer Managed servers.

Worked on Apache and Tomcat while integrating with WebLogic Portal Servers

Configuration and administration of Connection pools for JDBC connections.

Monitored and administered Weblogic Server Instances with WLST scripting and by creating the Shell scripts for the Auto-Deploy.

Worked on JProfiler and JProbe by monitoring the Java Server Heap Memory Leaks.

Configured JDBC connections and data sources for Oracle database server 9i.

Involved actively trouble shooting UNIX operating system server issues.

Monitored error logs, fixed problems and tuned parameters in WebLogic environment.

Involved in configuration management, software deployment, change management, performance monitoring, and application maintenance.

Used configuration wizard and Admin Console extensively to create and manage WebLogic domains.

Supported 24/7 on call support for the Hosting Team.

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

Configured and deployed applications in various work environments like Development, System Test, QA and Production.

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

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

Configured JDBC connections and data sources for Oracle database server 9i.

Applying the patches and Maintenance Pack to the WebLogic Portal servers.

Expert in Troubleshooting Production as well as Non-Production Environments.

Testing and profiling to measure the performance of the applications.

Involved as primary engineer for highly clustered and UNIX based applications.

Supported on call schedule for Production Support.

Responsible for Foundation support and maintenance of 250+ production applications

Worked in both Steady State and Transition Teams

Good Communication and Interactive skill

Positive and Practical Thinking

Responsible for smooth functioning of organizational IT infrastructure

Working in shifts in a 24x7 environment

Career filled with appreciation mails from customers and managers.

Excellent problem solving skills with a strong technical back ground and good interpersonal skills.

Quick learner and excellent team player having ability to meet tight deadlines and work under pressure.

Environment: JBoss 4.x, 5.x, WebLogic Server 8.1/10.0, WebLogic portal, JDK1.5, J2EE, JRockit 8.1, JSP, Servlets, EJB, LDAP, JDBC, XML, Win2K, Linux.

Royal Dutch Shell Jan 2007 – Sep 2010

WebLogic Administrator

Bangalore, India

Roles and Responsibilities:

WebLogic / IIS Server Administration

Responsible for complete Application maintenance and support, which involves Deployment, patch releases (Release Management)

Managing Server Life Cycles

Track Changes in a domain’s configuration

Monitor Application Server services and resources

Modify or add services to an active domain

Monitoring WebLogic Server Domain

Recovering Failed Servers

Performance Tuning

Configure Logging and view log files

Involves weekly DB activities such as export and Database refresh processes.

Responsible for providing Availability Reports and Outage reports using HP end user monitoring tool called BAC

Work also involves co-ordination with other teams such as Network and DB team in order to ensure maximum availability

Environment:

Languages : SQL, Basics of UNIX

Operating Systems : Windows family, Unix

Database Systems : Oracle 9i

Tools : WLST, FTP, Terminal Services Client, Netmeeting

Server Technologies : BEA WebLogic Application Servers, MS-IIS Web Server.

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