SUMMARY:

• Over 10+ years of IT experience with emphasis in Java Enterprise Technologies, Application Servers, Web Servers, Middleware Platforms, and Developer Operations.
• Active participation in Architecting, Configuring and Installing of a wide array of Web, Middleware, Application Servers, Build and Monitoring Tools.
• Responsible for configuring and managing Continuous Integration and Continuous Delivery Pipelines in Dev, QA, Staging, and Prod environments. Hands on experience in administrating Jenkins, Artifactory, Nexus, Git, CruiseControl, Anthill, and Maven.
• Expert in installing, configuring, and administering WebSphere Application Server, Oracle WebLogic Servers, Apache Tomcat, JBOSS and Adobe ColdFusion servers.
• Proficient in installing and configuring Confidential WebSphere MQ, and integrating with WebSphere Application Server, Oracle WebLogic and Tomcat instances.
• Implemented Performance Monitoring, Alerting and Debugging tools including Confidential Tivoli, ITCAM, FusionReactor, New Relic and Omegamon.
• Comprehensive knowledge in Networking and System Engineering including TCP/IP, VLAN, DHCP, Routing, Switching, NAT, Firewall, load balancer, NAS, SAN and NFS.
• Responsible for developing Bash, Shell, Perl and Jython scripts to automate maintenance, patching, backups, log management and application rollouts.
• Strong knowledge in Java EE, Spring Framework, Hibernate, JDBC, JMS, JMX and RESTful and SOAP based Web Services.
• Involved in Performance Monitoring, Load Testing, and Disaster Recovery.
• Experience in installing and configuring CA SiteMinder Agents for Single - Sign-On.
• Experience on deploying and managing services on a variety of Midrange Operating Systems including Red Hat Linux Enterprise, CentOS, Solaris, and Windows platform.
• Involved in diagnosing, profiling, performance tuning web applications using New Relic, Tivoli Performance Viewer, Fusion Reactor, JConsole, and VisualVM
• Active participation in security, vulnerability and penetration scans. Responsible for patching and remediation of any vulnerability on all web and middleware platforms.
• Strong analytical and troubleshooting skills for diagnosing, analyzing and resolving complex issues involving multi-tier middleware and web platform.
• Strong proficiency in Building and Administrating Linux systems.
• Working knowledge of configuration management and automation platforms such as Ansible, Chef and Puppet.
• Outstanding communication and leadership skills, result-driven attitude, team player, quick learner, organized, resilient, self-motivated and lives up to the demands of 24/7 system support.

TECHNICAL SKILLS:

Languages: Java EE, C++, SQL, C++, Python, AngularJS, Perl

Application Servers: WebSphere, WebLogic, Tomcat, ColdFusion, Jboss, Apache

Continuous Integration: Jenkins, Anthill, Artifactory, Maven, Gradle Version Control: Git (Github/Gitlab), Subversion, PVCS, Clearcase

Configuration Management: Chef, Puppet, Ansible

Operating Systems: RHEL, Centos, Ubuntu, Fedora, Solaris, Windows Server

Scripting: Bash Shell, Batch, PowerShell, Perl, Python, Jython

Database System: DB2, Oracle, Sybase, MySQL, PostgreSQL, SQL Server

Cloud Computing: Confidential Bluemix, Cloud Foundry, Amazon Web Services

Monitoring Tools: Nagios, New Relic, ITCAM, Fusion Reactor, SolarWinds

Virtualization: VMWare vSphere, Oracle VirtualBox, MS Hyper-V, KVM

Container: Docker, Kubernetes, LXC

PROFESSIONAL EXPERIENCE:

Confidential, MD

Infrastructure Specialist

Responsibilities:

• Responsible for Installation, configuration, maintenance and day-to-day Administration of WebSphere Application Server ND V7.0/V8.5, Liberty, Tomcat WebSphere MQ Oracle WebLogic, BPM, Hyperion BI+ and Coldfusion Application Servers.
• Maintain and automate and Continuous Integration and Continuous Build delivery
• Pipelines on Jenkins, CruiseControl, Git, Subversion, Maven, Ant, and Artifactory.
• Installed and configured multi-instances Tomcat configured with JDBC, JMS, JMX, JCA
• LDAP Authentication, deployed with New Relic agents for performance monitoring.
• Responsible for setting up and administrating Confidential WebSphere MQ, Queue Managers Cluster Repository, Queues, Channels and MQ Objects.
• Installed and configured WebLogic 11g/12c Domains, Managed servers, clusters, Node
• Managers, JMS Servers, Security Realms, SSL/TSL and Scripting.
• Automated and streamlined installation and deployment process, including WebSphere cell, WebLogic domain, server clusters, web server plugins and SSL configuration.
• Administered Confidential HTTP Server, Apache, OHS, IIS, Plugin Proxy, Oracle HTTP Server WLProxy as frontend to WebLogic and WebSphere Application Servers
• Installed Oracle, DB2, Sybase, and SQL Server JDBC Provider and configured XA and non-XA data sources, connection pools, authentication alias, and SSL configurations
• Responsible for applying security patches, bug fixes, service packs, and working closely with development teams in resolving deployment, runtime and platform related issues.
• Responsible for deploying ITCAM, Omegamon XE, New Relic, Tivoli agents, Data
• Collectors for Monitoring and Alert management for all Middleware & Web platforms.
• Provide Tier 3 support for Middleware and Applications for clients and customers.
• Respond to P1/P2 Incidents, Identity and resolve the crisis, perform Root Cause
• Analysis and devise corrective action.
• Monitored live Transactions, web sessions, connection pools, threads, web Services JVM Performance and System health.
• Worked closely with vendors and deployed off the shelf software’s including Blaze
• Advisor BRE, Mobius, Hyperion Reporting, SAP BOBJ, ArcGIS, Group1, Talend, Autosys
• Documented all Middleware deployment procedures, build information Licensing information, SSL certificate inventory, Server maintenance procedures Backup and Recovery Procedures.

Environment: Confidential WebSphere Application Server 8.5 ND, WebSphere Liberty, Weblogic 11g, Tomcat, Apache, Jenkins, Git, Subversion, Anthill, Maven, Gradle, Artifactory, New Relic, Nagios, ITCAM, OMEGAMON, Tivoli Monitor, ColdFusion, WebSphere MQ 6.1, Confidential HTTP Server 6.0, Windows Server 2012, Red Hat Linux 7 ES, Solaris 10, Service Now.

Confidential, Sparks, MD

Middleware Engineer

Responsibilities:

• Built, installed, patched, and managed of instances of WebLogic and WebSphere across product versions and in highly available, scalable production environment.
• Automated nightly builds and deployments on CruiseControl, Luntbuild, Anthill Pro PVCS, Subversion VCS utilizing Ant and Maven builds.
• Extensive experience writing Shell, Jython, WLST and JACL scripts for configuring, build and deploying WebSphere and WebLogic platforms across, DEV, QA, UAT, and Prod
• Applied fix packs, security patches, and service packs, across all environments on a regular basis. Involved in large scale migrations and P2V projects.
• Configured HTTP Server Proxy Plugins, SSL Certificates, and SiteMinder Agents.
• Maintained & Administered Oracle Hyperion System 9 BI+ Platform.
• Actively Monitoring thread usage, connection pools, CPU usage, and Memory usage and collecting PMI data for performance analyzing and tuning.
• Responsible for configuring and tightening security on Middleware and Web platforms.
• Configured security, Console access, File permissions and deployer access.
• Installed and configured Confidential Tivoli Composite Application Monitor (ITCAM), Confidential Tivoli monitor agents and FusionReactor to proactively monitor Application Server health
• Installed and configured WebSphere MQ & Message Broker 6.0 on Linux, and Windows.
• Administered Queue Managers, Clusters, Channels, Queues, and Aliases. Configured
• JMS Objects, connection factories, MQ clients, Pub-Sub BrokersCreated JNDI bindings files for the JMS applications to connect to the Queue managers.
• Responsible for deploying enterprise applications from Admin console and enabling security using LTPA and LDAP Authentication.
• Responsible for Troubleshooting J2EE application and platform issues in multi-tiered platforms. Analyzed thread dumps, heap dumps, system logs, class-loader issues, db bottlenecks or any network and infrastructure issues.
• Responsible for Importing and regular backup for WebSphere, Weblogic and MQSeries.
• Provided 24/7 production support on a rotation basis for Platform and Web Support.

Environment: Confidential WebSphere Application Server 6.0 and 7.0 ND, WebSphere CE, Oracle Fusion Middleware, WebLogic 10.3, ColdFusion 9, ITCAM, OMEGAMON, Tivoli Monitor, ITeamWorks, WebSphere MQ 6.1, Confidential HTTP Server 6.0, Windows 2003, Red Hat Linux 5/6 ES, Solaris 10, Sybase 11, DB2 9.1, Remedy, Big Brother

Confidential, Arlington Heights, IL

Programmer/Analyst

Responsibilities:

• Designed and developed web applications under J2EE standards using Java Server Pages and JavaScripts. Developed Servlets and JDBC calls to update database
• Developed JSP web pages for front end screens and performed client side validation using JavaScript and Implemented the server side processing using Servlets.
• Responsible for creating, updating and maintaining department websites.
• Created EJBs to encapsulate business logic and implemented data objects using entity beans.
• Written SQL queries to insert, update and retrieve information from the database. Used JDBC to invoke Stored Procedures.
• Successfully migrated ColdFusion web application to Java platform.
• Developed Session Beans to process requests from the user interface and entity beans to retrieve and update customer information.
• Implemented Struts framework, developed Action Servlet, Action Form bean, and configured the struts config descriptor using MVC architecture.
• Identified and fixed pre-existing concurrency issues and database related issues.
• Packaged and deployed web applications on WebSphere Application Server 5.0.
• Experienced in packaging and deploying applications on WebSphere Studio Application Developer (WSAD), Confidential ClearCase, Application Server Toolkit, and Ant.
• Responsible for Unit testing, Load and Integration testing and performance tuning.
• Hands on experience deploying on top Confidential WebSphere Application Server 5.0, Confidential HTTP Server, Apache and Microsoft IIS 5.0 Web Server.
• Responsible for reliable maintenance and support of J2EE applications.
• Tuned SQL statements identified and fixed memory leaks and transaction issues on most J2EE based applications.

Environment: JSP 1.2, JDBC, Servlets 1.0, EJB 1.0, WAS 5.0, XML, Eclipse, RAD, Java Beans, POJO, Oracle 9i, Windows 2000/NT. Red Hat Linux, WSAD 5.0, Tomcat, Apache 1.3.