SUMMARY:

• Over 6 years of strong experience in various middleware technologies such as IBM WebSphere Application Server (7.X,8.x), WebSphere MQ (6.0), JBOSS (4.X, 6.2 EAP), VMWare vFabric tcServer
• Excellent working knowledge about Web Servers (IHS, Apache, IIS), Databases (Oracle, DB2, MySQL, SQL Server), LDAP (ITDS, Sun One, Redhat) and Siteminder for Single Sign - On
• Worked on various flavors of UNIX - mainly RHEL and very good understanding of Networking Concepts including Loadbalancers and Firewalls.
• Worked in various environments such as Sun Solaris, Linux (Red Hat) and Windows
• (2003,2008,2012).
• Experienced in SSO, SAML implementations using CA SiteMinder to secure internal as well as external applications and web services.
• Expert in migrating WAS 6.X to 7.X using administrative scripts using Jython.
• Hands on knowledge on monitoring tools like Tivoli Performance viewer and Wily Introscope.
• Experienced in deploying JAVA/J2EE components and administration including JAR, WAR, and EAR files on IBM WebSphere Application Server.
• Very good knowledge in setting up SSL Communications in IIS, Apache, Tomcat, Jboss, WebSphere.
• Involved in Work Load Management (WLM) and fail-over mechanisms using horizontal, vertical clustering as per the requirements after doing Cost Analysis and Capacity Planning.
• Responsible for setup, Installation and Administration of JBOSS Application server.
• Experienced in JBOSS clustering, AS Security, maintenance, fix upgrades, general administration, troubleshooting and performance tuning.
• Solid understanding of the JBoss application platform, experience in deployment, configuration and support of JBoss Application Server.
• Experienced in configuring and deploying clustering and high availability technologies in both Red Hat and JBoss.
• Working knowledge of fix packs, eFixes and cumulative fixes.
• Involved in performing stress testing to test for workload balancing and memory leaks, connection pooling issues in WebSphere Application Server and tuning various parameters to reduce the amount of hardware.
• Worked closely with developers to define and Configure Application Servers, Virtual Hosts, Web Applications, Web Resources, Servlets, JDBC drivers, Servlet Engines and Deployment of EJBs across multiple instances of WebSphere.
• Experienced in problem tracing, log management, scripting to invocate problem-determination actions involving diagnostic traces, thread and heap dumps.
• Opened PMR’s with IBM to solve various issues related to the environment.
• Excellent client relation skills and the drive to complete tasks effectively and efficiently where customer services and technical skills are demanded as well as the ability to communicate effectively with all levels of management and the technical community.
• Excellent Work Ethics, Hardworking with good communication skills and global exposure.

TECHNICAL SKILLS:

Programming Languages & Scripts: Java, C, C++, PL/SQL, DHTML, CSS, Java Script, CGI (PERL), Java Swing, Servlets, JDBC, EJB, Struts, RMI, XML, JNDI, JMS, LDAP, XML-Config, JACL,Python,Ruby

Networking & Communication protocols: TCP/IP, HTTP/HTTPS, SOAP, RMI/IIOP, Putty, Humming Bird

Databases: Oracle 9/10/11, DB2, MS SQL Server, MySQL.

Middle Ware and ESB: WebSphere MQ 6/7, LDAP, CA Site Minder 5.5/6.0.

Operating Systems: IBM-AIX, Sun Solaris, Red Hat Linux, Windows 2003/2008/2012

Development & Build tools: WSAD, ANT, Maven

GUI and Front end tools: Java Server Pages, Swing, Visual Basic 5.0/6.0

Version Control tools: WinCVS, Build Forge, Clear Case, git, svn

PROFESSIONAL EXPERIENCE:

Confidential, San Francisco, CA

Sr System Administrator

Responsibilities:

• Installation, Configuration and Administration of WebSphere 7,8 and JBoss EAP 6.2 and WebServers (IHS, Apache).
• Installation and Configuration of Wily Introscope for monitoring java applications in Production, QA and Staging environments.
• Worked with developers and business areas to deploy, maintain, and configure custom applications on Jboss and WebSphere infrastructure
• Participated in an Production support rotation, Involved in troubleshooting major issues and provide appropriate feedback
• Responsible for changes, updates, testing, modifications and patches to the application and infrastructure.
• Continually monitor and fine tune application infrastructure to assure optimal performance, availability and utilization of resources
• Keep current with software enhancements, security patches and bug fixes.
• Opened PMR’s with IBM, Support cases with Redhat for higher-level technical issues and co-ordinated the same with rest of the team.
• Actively participate in incident & problem management tasks, follow-up with stakeholders till closure.
• Resolve day-to-day support issues/incidents raised by business users, ensuring effective and timely resolution.
• Participated in network load balancing and firewall configuration
• Provided technical solutions to automate processes or functions to improve business operations
• Organized, Co-Ordinated various Team meetings. Excellent Communication Skills.

Environment: WebSphere Application Server Network Deployment (7,8), MQ 7, Wily Introscope 9, BuildForge, Splunk

Confidential, Phoenix, Arizona

System Administrator

Responsibilities:

• General administration (deployment, configuration, redeployment, problem investigation and support) of applications running on WebSphere Application Server and JBOSS application servers platforms
• Configured JDBC drivers, Servlets in Production and Staging environments.
• Installation and Configuration of SPLUNK in WebSphere Environment.
• Setup of Virtual Hosts, Vanity URL's and Redirects in Apache as a part of request task.
• Monitored Java Applications using HP Sitescope and Nagios.
• Written some ant scripts to perform Remote deployments in WebSphere.
• Worked on setting up of Sudo access for Users from Sysadmin Team in all Linux servers.
• Participated in an on-call support rotation, Interacted with a variety of software vendors.
• Good Understanding Microsoft SharePoint, used as a document Library for System Administrators
• Excellent Understanding of BMC Remedy System, opening tickets and requesting new tasks.
• Create and setup of SSL s
• Opened PMR’s with IBM for higher level technical issue and co-ordinated the same with rest of the team.
• Organized, Co-Ordinated various Team meetings. Excellent Communication Skills.

Environment: WebSphere Application Server Network Deployment (6.0, 6.1, 7), IBM WebSphere Portal 5, 6.1, IHS Web Server (6.0, 6.1), Linux, AIX, HP Sitescope.

Confidential, California

Sr. System/WebSphere Administrator

Responsibilities:

• Installation, configuration and administration of WebSphere Application Server 6.0, 6.1 and 7.0
• Created and federated profiles to the Deployment Manager using both Profile Management tool and also automated the process using manage profiles and add Node command.
• Monitored WebSphere Application Server in a clustered and non-clustered environment.
• Recommended and used hybrid clustering (horizontal and vertical) to make use of efficient resources on a single system and to provide for hardware failover and load balancing.
• Used WebSphere plug-in for load balancing across the cluster members and manually updated it for remote Web Servers in the DMZ.
• Writing JACL, an ANT and shell script in order to automate various WAS administration tasks such as configuration, application deployment, ear/war installation, backups, and JVM export/import.
• Experienced in Configuring Relational Databases like Oracle and SQL Server with App Server.
• Configured WebSphere resources like JDBC Providers, Data Sources and Connection Pooling and tuning it and monitoring using Tivoli Performance Viewer by enabling PMI.
• Enabled connectives for Web Services and JMS resources with Enterprise Service Bus for improving flexibility through the adoption of Service-oriented interfaces.
• Configured Adminconsole security on WebSphere and creating users with various roles to access the WebSphere admin console - users and groups in LDAP and added them as WebSphere Console Groups using both adminconsole and wsadmin jython.
• Update to Application Server was done using fix packs.
• Migration of applications in WAS from version 6.0 to the current version.
• Was involved in writing Shell scripts to automate WebSphere Admin tasks and application specific syncs / backups and other schedulers.
• Configured multiple websites in IBM HTTP Server 6.0 and installed Plugins to proxy requests to Application Server.
• Installed SSL s on the Web Servers using ikeyman tool.
• Used Tivoli Performance tools for tuning the WebSphere environments (JVM heap size, data base connection pool size, etc).
• Troubleshooting various issues involving the integrations of WebSphere, IBM HTTP Server, LDAP.
• Involved in opening and working on PMR’s with IBM to solve various issues related to the environment. Enabled traces as part of troubleshooting and used collector tool to submit the logs and traces to IBM.
• Participated in team meetings and management meetings to resolve issues related to the various environments.
• Responsible for documenting the various procedures involved in the day-to-day maintenance of the various environments.

Environment: WebSphere Application Server Network Deployment (6.0, 6.1, 7), iPlanet 6.1, IHS Web Server (6.0,6.1), Linux, Sun Solaris 9,10.

Confidential, New York

Middleware Engineer

Responsibilities:

• Installation, Administration and configuration of WebSphere Application Server 5.x and 6.x.
• Deploying and Troubleshooting JAVA applications at server and cluster levels.
• Involved in configuration of WAS resources like JDBC Providers, JDBC Data Sources and Connection Pooling to connect to Oracle.
• Regenerating and updating the plug-in for IBM HTTP server and iplanet web server.
• Worked on WebSphere components such as Work Load Management (WLM), Servlet Engine, Session Manager, Admin Client and Http-Web Admin tool (thin client).
• Used Tivoli Performance tools for tuning the WebSphere environments (JVM heap size, data base connection pool size, etc).
• Involved in design, implementation and configuration of WebSphere and JBOSS clusters like Horizontal and Vertical clusters.
• Migration from JBOSS 4.3 to 5.0.
• Involved in Load balancing/Tuning/Clustering for JBOSS Application Server using mod jk.
• Excellent working knowledge of JBOSS Application Server, middleware and other JBOSS Com
• Performed troubleshooting by enabling probes and analyzing logs in Data Power
• Proficient in setting up of Nodes, Data Sources, Virtual Hosts, configuring Servlet Engines, Session Managers including planning installation and configuration of WebSphere Application Server Trace Service.
• Implemented theClusters /Server GroupsandCluster Members /clones(Vertical scaling & horizontal scaling) for fail over and distribute the workload on WAS.
• Configured new WebSphere queues on WAS nodes, Local queues for the application MDB’s and remote queues for connecting to mainframe.

Environment: Java2EE, IBM Data Power, WAS (6.x, 7.x),JBoss (4.x,5.x) IBM HTTP Server, Netscape iPlanet, LDAP Server, Oracle, DB2, Windows NT and Solaris.