SUMMARY

• 7+ years of experience as IBM System Administrator and extensive experience in WebSphere Application server, IBM HTTP Web Server, WebSphere MQ, Apache web server on Linux and Solaris systems.
• Have a proven expertise in Business Integration architecture, infrastructure deployment and in identifying operational problems and providing innovative solutions in EAI implementations using WebSphere Technologies.
• Experienced in gathering Business Requirements, Capacity Planning, Hardware assessment, Implementation, System Documentation, End - User Training and Production Support of WebSphere Application Server and Process Server in clustered and non-clustered environments
• WebSphere topology design experience in creating the standard profiles, clusters, JVM instances and customizing the infrastructure as per the business requirements
• Experienced in installing releases, applying refresh packs, fix packs and interim fixes for WebSphere, Webserver and Plug-ins using update installer & Installation Manager
• Experienced in creating Cells, Deployment Manger and Node group profiles in vertical and horizontal clustering for failover and backup/recovery processes
• Experienced in installing WebSphere Network Deployment/Extended Deployment/Virtual Enterprise/Process Server/Performance Server/Business Rules platforms over WebSphere
• Experienced in Architecture, Installing, Configuring, deploying and administering of IBM WebSphere App Servers (base & ND) 6.x/7.x/8.5 on various operating systems like Linux and Windows
• Experienced in creating static and dynamic Clusters with WebSphere JVM and configuring the JVM properties like Heap Size, Verbose Garbage Collection, JVM arguments and System logs
• Experienced in monitoring the system CPU, memory, file system sizes and I/O
• Expertise in administering and maintaining various environments like development, production and performance, QA & Training environments
• Experienced in implementing Workload Management and fail over topology using clusters and load balancers
• Experienced in installing the Wily client agent and enabling the custom services by providing the class path of the jar file and passing the relevant arguments in WebSphere Generic arguments
• Highly experienced in deploying solutions in High Availability (HA), Load Balancing Configurations eliminating single points of failure
• Experienced in opening a severity tickets with IBM PMR support Level 1, 2, 3 premium support teams to resolve any critical issues and escalating the issues for quick resolution
• Experienced in configuring the application health policies like memory leaks, dynamic operations like application response times in WebSphere Virtualized environment
• Performed root-cause analysis for Production outages and provided management with analysis reports
• Knowledge in MQ Clustering, MQ Security, maintaining Queue Managers, Channels, Queues, Processes, and other MQ Objects
• Good communication skills to work in team environment as well as Independently

PROFESSIONAL EXPERIENCE

Confidential, White Plains, NY

Senior WebSphere/Middleware System Admin

Responsibilities:

• Responsible for building the WAS 7.0.x/ 8.5 Dev, Staging, and Production environments by Installing IBM WebSphere Application Server on Red hat Linux Operating Server
• Responsible for creating and configuring profiles, Nodes, Horizontal Clusters, Data Sources, Virtual Hosts in WebSphere Application Server 8.5
• Installed, configured, and maintained IBM Http Server, WebSphere Application Server Network Deployment (ND) 7.0/8.5
• Created Cells, Deployment Manger and Node group profiles in vertical and horizontal clustering for failover, high availability and backup/recovery processes
• Experienced in installing the Wily client agent and enabling the custom services by providing the class path of the jar file and passing the relevant arguments in WebSphere Generic arguments.
• Created the Clustering Topology in WebSphere Application Server ND V7.x/8.x to achieve Work Load Management (WLM), high availability, Load Balancing and Hardware Fail-over
• Installed EARs, WARs and configured application specific JVM settings, Web container parameters using the Admin Console
• Performed installation, configuration, deployment, and management of Enterprise Applications in a clustered and non-clustered environment using IBM WebSphere Application Server 7.x./8.x

Environment: WebSphere Application Server 7.0/8.5, WebSphere MQ 7.x/8.x, IBM HTTP Server 6.0/6.1, IIS Server 6.0, Red Hat LINUX 5, MS SQL Server 2008 R2, CA Wily Intro scope, BMC Remedy, Share point, XML, PYTHON

Sr. WebSphere Administrator

Responsibilities:

• Involved in WebSphere Installation, Configuration and Administration of WebSphere Application Server 6.x/7.x.
• Responsible for configuring and maintenance of WebSphere Application server.
• Involved in setting up a new QA environment by creating and managing the Nodes, Application Servers, and Clusters for Load Balancing and Fail Over.
• Deployed application ears on WebSphere Application Server Network Deployment in QA
• Staging and Production environments on a daily basis and troubleshoot various configuration and application issues.
• Trouble shooting various problems in different stages of development, QA and production using logs files, JVM Count and JDBC Connections.
• Monitoring WebSphere Application Server performance through inbuilt monitoring tool.
• Performed WebSphere configuration, backup and restoration tasks (by using backupConfig, restoreConfig commands etc).
• Improved performance, reliability, and scalability of the application server and its interaction with Web Servers, Database Servers.
• Involved in Tuning of WebSphere Application Server for performance improvements.
• Managed complex environments for the customer IT environments from a software support perspective for IBM WebSphere Application Server on both UNIX and windows platforms.
• Worked with WebSphere MQ team, install MQ client and MQ server software on Windows XP pro and Linux.
• Worked with QA Team for Load Tests and Performance tests and identified the bottlenecks of the applications.
• Worked with Security team for possible security threats to WebSphere Platform and configured Web servers to their recommendations and also secured using AD integration.
• Involved in documentation of everyday activities.
• On-call support (24x7), Monitoring and maintaining multiple Applications.

Environment: WebSphere Application Server Network Deployment 6.0.2.17/6.1/7.0, WebSphere MQ, Windows 2008, IHS Web Server 6.0/6.1/7.0, JCA, MS SQL, AS/400, Red hat Linux 5.0, BMC, Share point

WebSphere/Middleware Administrator

Responsibilities:

• Installed, configured, upgraded and troubleshooting WebSphere Application Server v6.0 and WebSphere ND v6.0 in a federated multi-node environment
• Involved in Deployment of J2EE Applications, Creating Clusters for Load Balancing and Failover, Configuring Resources like JDBC Provider, Creating Virtual Hosts, Shared Libraries, JNDI Configurations, EJB References, Creating Environment Variables, and Configuring Session Management
• Involved in applying fix packs and e-fixes to WebSphere Application Server on Solaris and Linux
• Involved in Deployment of J2EE Applications, Creating Clusters for Load Balancing and Failover, Configuring Resources like JDBC Provider, Creating Virtual Hosts, Shared Libraries, JNDI Configurations, EJB References, Creating Environment Variables, and Configuring Session Management
• Installed IBM HTTP Server on Solaris and Linux and configured it by changing httpd.conf for HIS and copying the plug-in for WAS.
• Used wsadmin.sh for Administration and Maintenance of the Applications
• Monitoring application log files, Application Server Performance, Servlet Status, Active Sessions and DB Pool connections
• Configured WebSphere Application Server on multiple platforms for both horizontal and vertical clustering.
• Created IBM Problem Management Records (PMR) to report WebSphere Application Server problems. Troubleshooting various problems in different stages of development, QA, Staging and Production by analyzing log files
• Profiled all the J2EE Applications and worked with Application Groups in improving performance of applications and possible memory leaks in applications before deploying in Production
• Involved in Creating and Managing Nodes, Clusters and Application Servers
• Responsible for monitoring, troubleshooting and load balancing of several critical e-Business servers
• Provided Tier-2 hardware and software technical infrastructure support to all the servers in the primary and the satellite datacenters
• Provided 24/7 system administration and support, ensured reliable operation of the PROD/SAT/DEV/QA environments.

Environment: Java2EE, WASND 6.0, IBM WebSphere Application Server5.1/6.0, IBM HTTP Server, DB2, Oracle 8.x/7.x, Clear Case, AIX 5.1, Sun Solaris 8.0 and Windows.