PROFESSIONAL SUMMARY:

• Over 7 years of experience as a WebSphere Administrator, Middleware Administrator and Jboss Tomcat Administrator using WebSphere Application server, IBM HTTP server, IBM Plugin, WebSphere Messaging Queue, WebSphere Portal, Watson Explorer, Jboss EAP, Jboss EWS, JWS, Tomcat, Apache.
• Expertise in installing, configuring, deploying, migrating, upgrades/patches, performance tuning, troubleshooting, security, failover and work load management of WebSphere Application Server 5.x/6.x/7.x/8.x/9.x, IBM HTTP Server, IBM Plugin, WebSphere Portal server 6.x/7.x/8.x, Watson IIS, Apache, Jboss EAP 5.x/6.x, Jboss 2.x/3.x JWS 3.x on AIX, Linux, SUN Solaris, Apache Tomcat and Windows environment.
• Expertise in creating, deleting, profiles, JVM’s managing Clusters, Nodes in Websphere Application server, Weblogic, Jboss and Tomcat.
• Well versed with deployment of J2EE applications such as WAR, JAR, EAR, and RAR in clustered environment using Admin console, Shell scripting scripts & WLST scripts.
• Experience in configuring and administering JDBC resources (DataSources, connection pools), JMS resources (Queue, Topic, connection factory), LDAP integration in WebSphere Application server, Tomcat, WebLogic and JBOSS.
• Proficient in analyzing Log files such as WAS/WebLogic/JBOSS server logs, node manager logs and Plug - in logs for troubleshooting and problem determination to resolve issues.
• Experience in collecting Thread Dump, Heap Dump and analyzing them by coordinating with development team.
• Expertise in using IKEYMAN Tool to create and install SSL certifications in WAS/Jboss/Tomcat.
• Expertise in configuring the JMS Queues and Topics in IBM MQ series and IBM WebSphere Application server.
• Install and configure Dynatrace agent with WAS/JBOSS/Tomcat.
• Install and configure UCD and build forge agent with Websphere Application server and Jboss for deployments.
• Extensive knowledge and experience as a System Administrator on UNIX (AIX, SUSE-LINUX, SOLARIS, RED-HAT LINUX) operating systems and peripheral components.
• Hands on Experience in troubleshooting and bringing up failed mission critical production systems under extreme pressure conditions and time constraints.
• Strong technical experience in WAS/Jboss/Tomcat/Weblogic implementation, failover, workload management (WLM) using horizontal scaling, vertical scaling and performance tuning.
• Highly experienced in deploying solutions in High Availability (HA), Load Balancing Configurations eliminating single points of failure.
• Expertise in monitoring & performing daily health check for WebSphere Application Servers (JVM’s) and System Level resources using Tivoli performance viewer.
• Expert in backup and recovery procedures, good exposures to Testing and Debugging applications. Ability to effectively prioritize and handle multiple tasks and projects utilizing IT process knowledge and full System Development Life Cycle (SDLC).
• Worked as a System Administrator and 24/7 On-Call for the production support and maintenance throughout the duration.
• Expert Operations engineer dedicated to constantly improving tools and infrastructure to maximize productivity, minimize system downtime and quickly respond to the changing needs of the business.

SKILL:

Operating Systems: IBM AIX 4.5/5.1/5.2/5.3 , SUN Solaris 8/9/10, LINUX (REDHAT), Windows NT/2000 server, Windows XP/98/95

Application servers: IBM WebSphere Application Server 5.x/6.x/7.x/8.x/9.x, Jboss EAP 5.x/6.x, JWS 3.x, Weblogic, Websphere Portal Server 6.x/7.x/8.x

Web servers: IBM HTTP Server and Plugin 5.x/6.x/7.x/8.x/9.x, Jboss EWS 1.x/2.x/3.x, Apache 1.x/2.x, IIS server

Programming languages and Scripting: Perl, C/C++, UNIX Shell Scripts, Jacl, and Jython

Monitoring: Dynatrace 6.x, Tivoli performance viewer.

Deploying tools: UCD, Build forge.

GUI tools: Mobi x term, Humming bird, Cygwin.

Ticketing tools: Service Now, BMC Remedy.

Other: Winscp, secure CRT

Java/J2EE/Web Technologies: HTML, XML, XSL, XSD, CSS, JDBC, JSP, JNDI, JMS, Java Web Services using EJB, SOAP,WSDL

WORK HISTORY:

Confidential, Chicago, IL

Middleware Administrator

Responsibilities:

• Installed, configured, administered and supported of various versions 6.x/7.x/8.x WebSphere Application Server ND/Base Version, IBM HTTP server along with Plugin on UNIX and windows machines.
• Created, Configured and Administered Profiles, Clusters, Nodes, Node Groups, Deployment Manager and Application Server profiles in clustered environment to utilize the advantages of failover and load balancing in multi-node environment.
• Configured the plugin file to support the manual clustering on WebSphere Application server Base versions.
• Configured and Enabled the Global Security for WAS Administration Console users.
• Installation of SSL certificates on WAS, HTTP servers and upgrading the SSL/TLS protocols along with enable FIPS.
• Upgraded the WebSphere from 6.x and 7.x to 8.x version for Guideware and other Applications.
• Configured & Monitored MQ Connection factories, Listeners, queue.
• Install and configure UCD and build forge agent with WebSphere Application server and Jboss for deployments.
• Install and configure Dynatrace agent with WAS/JBOSS/Tomcat for Application monitoring.
• Worked closely with developers to define and configure application Servers, Virtual Hosts, Web Applications, Web resources, Servlets, , Data sources, JDBC providers and Servlet Engines.
• Appling FIXPACKS on latest FP releases basis.
• Applying IFIX’s, upgrade SSL/TLS protocols, enable FIPS on WebSphere Application Server to remediate the security related Vulnerabilities.
• Integrated LDAP, Active Directory with WebSphere Application servers 6.x/7.x/8. x.
• For single sign on (SSO), Integrated Tivoli Access Manager Trust Association Interceptor (TAI++) and Pdperm installation on WebSphere Application servers 6.x/7.x/8.x.
• Involved in monitoring/performing the daily health check of all the Application Servers and Host Servers.
• Was involved in monthly Enterprise Releases, where also day to day tasks consisted of taking care of deployments and issues raised during the UAT stage to make environment ready for production.
• Involved in accessing various resource utilization (CPU, Memory, and Disk) of servers to determine the threshold of capacity of servers.
• Responsible for readiness of environments for release, building out environments, configurations & assisting developers.
• Involved in bridge calls with other team leads and developers for resolving the High Priority Issues for High Availability Production Systems.
• Trouble shooting errors both Applications & JVM also analyzed heap and core plus error logs.
• Provided 24/7 on call support during the weekend and at night.

Environment: WebSphere Application Server 5.x/6.x/7.x/8.x, WebSphere MQ 6.0, IBM HTTP Server 6.x/7.x/8.x, Jboss EAP 6.x, JWS 3.1, Apache, Tomacat 6/7/8, Watson Explorer (WEX), Websphere Portal, BIGIP-F5, Sybase, DB2, Oracle10g/11g/12c, Unix, AIX, Windows, ISAM, Bulid fordge, UCD, DynaTrace 6.x

Confidential, Coraopolis, PA

Middleware Administrator

Responsibilities:

• Installed, configured, administered and supported WebSphere Application Server ND Version 7.0/8.0/8.5 on Linux.
• Installed, Configured, Administered and Supported WebSphere Application Servers 6.1/7.0.
• Managing WebSphere Application Server using command line tools and scripts.
• Involved in Upgrading the WebSphere Application Server from V6.x.
• Installed and configured IBM HTTP Server 7.0.
• Configured WebSphere Workload Management using horizontal and vertical clustering.
• Deployed various J2EE 1.4 applications on WAS 7.0.
• Configured remote HTTP Server Plug-in to work with WebSphere Application server.
• Deployed the EAR/WAR files and scripted automated deployment of the applications.
• Expertise with Wily Introscope for monitoring application servers.
• Deployed J2EE application Archives (war, ear) on WebSphere Application Servers.
• Automated the deployment process using Lunt Build.
• Involved in applying Fix pack to WebSphere Process Server v 6.1.2.0 to 6.1.2.3.
• Installation/Configuration and maintained WebSphere Message Broker V6.1 and MQ V6.0.
• Created MQ Queues and Channels required for the Application.
• Configured WebSphere Deployment Manager and Application Server profiles in clustered environment to utilize the advantages of failover and load balancing in multi-node environment.
• Involved in monitoring/performing the daily health check of all the Application Servers and Host Servers.
• Involved and supported the performance testing of applications and analyzing the results and decide whether to move the application to production or not.
• Configured Automated thread dumps/Heap Dumps and System Dumps as per Customers demand.
• Monitored and Performed daily health checks for Application Servers (JVM’s) and Host Systems.
• Installed, configured and Managed WebSphere Process Server on AIX.
• Generated HTTP Plug-in and Configured with WebSphere application Sever.
• Involved in Setting up server node, cells, deployment manager and administration, monitoring, maintenance, troubleshooting, performance tuning, and change management. Generation of WAS Plug-in for IHS.
• Worked closely with developers to define and configure application Servers, Virtual Hosts, Web Applications, Web resources, Servlets, JDBC drivers and Servlet Engines.
• Was involved in monthly Enterprise Releases, where also day to day tasks consisted of taking care of deployments and issues raised during the UAT stage to make environment ready for production.
• Performed routine management of WebSphere Environment like monitoring Disk Space, CPU Utilization.
• Experienced in using both Thread analyzer and Tivoli Performance Viewer for monitoring the performance of the WebSphere application server.
• Involved in accessing various resource utilization (CPU, Memory, and Disk) of servers to determine the threshold of capacity of servers.
• Responsible for readiness of environments for release, building out environments, configurations & assisting developers.
• Involved in bridge calls with other team leads and developers for resolving the High Priority Issues for High Availability Production Systems and also for deploying EAR files into Pre-production and Production Environments.
• Working in three-tier architecture.
• Trouble shooting errors both Applications & JVM also analyzed heap and core plus error logs.
• Provided 24/7 on call support during the weekend and at night.

Environment: WebSphere Application Server 6.x/7.0/8.0/8.5, Websphere Portal Server 7.0, WMB 6.0/6.1, IBM Connections 3.0, portlets, WebSphere MQ 6.0, IBM http Server 6.1.0.31, BIGIP-F5, J2EE1.3/1.4, Java 2.0, JSP1.2, EJB 2.0, JDBC 2.0, XML, MS-SQL, DB2, Oracle10g/11g, Unix, AIX v6

Confidential, Chicago, IL

Jboss Administrator

Responsibilities:

• Installation, configuring and monitoring of JBOSS 6.1 servers and integrated SunOne Web Server to work with the Application Server.
• Deployed the EAR, JAR, WAR applications on multiple WebLogic server Instances and JBOSSservers.
• Involved in working with Load balancing/Firewall to achieve failover and high availability.
• Configured JMS resources Queues, Topics, and JDBC connection pools and data sources for WebLogic/ JBOSS server instances.
• Configuration of Horizontal and Vertical Clusters.
• Created Domain Templates to replicate the environment on new WebLogic/JBOSS servers.
• Worked with WLST scripts and Shell scripting Scripts to automate frequently done tasks like deployments.
• Experienced in analysis of thread dumps, core dumps, server hang and high CPU utilization conditions in WebLogic and JBOSS.
• Optimizing the memory usage by tuning Garbage Collection.
• Monitoring WebLogic/JBOSS Server health and security.
• Analyzed Log files such as WebLogic/JBOSS server logs, node manager logs, Plug-in logs and thread dumps for troubleshooting and Problem determination to resolve issues.
• Involved in assisting QA team in Load and Integration testing of J2EE applications on WebLogic/JBOSS Application Servers.
• Installed, configured and administered Apache 2.2 and Tomcat 7/8 on Linux.
• Installed and configured HTTP Proxy Plug-ins on Apache Web Server to send traffic to request dynamic content from WebLogic Application servers.
• Implemented security by configuring Secured Socket Layer (SSL) for client authentication and data encryption.
• Configured LDAP using Active Directory for user authentication and authorization.
• Installed, configured and deployed virtual servers through VMWare on Windows environment.
• Installed and configured Jrockit Mission Control (JRMC) in production environment to monitor system critical parameters such as garbage collection, memory leaks, CPU utilization, file/network I/O.
• Responsible for 24x7 production support of mission critical applications running on WebLogic and Apache/ Tomcat Middleware.

Environment: WebLogic 10.x/11.x/12c, JBOSS 6.1, Apache 2.2, Oracle Jrockit 6, VMware, JDK, J2EE, JDBC, Tomcat 7/8, Red Hat Linux, Shell scripting scripting.

Confidential

Jr. System Administrator

Responsibilities:

• User administration on Sun Solaris and RHEL systems, HP-UX machines, management & archiving.
• Installing tomcat and apache servers on Unix and windows platforms.
• Deploying web application on Tomcat server.
• Installation of Red Hat EL 4.x, 5.x using Kickstart and PXE on HP Blade Servers.
• Administration of Services using SMF and converting legacy services to be managed by SMF. Error detection and Observation of services.
• Worked on Remote Laboratories project. Creating users and providing them access as per requirement.
• Configuring NFS, NIS, DNS.
• SENDMAIL configuration and administration, testing the mail server.
• Administration in VERITAS Volume Manager and Veritas Cluster Server.
• Scheduling full and backups with tar command.
• Experience with adding and configuring devices like Hard disks and Backup devices etc.
• Troubleshooting the network issues and response problems.
• Installing and maintaining enterprise tools and coordinating with teams.