SUMMARY

• Over 8 years of Experience in Middleware administration and Production support using IBM WebSphere Application Server in IBM AIX, Red Hat Linux and Windows environments.
• Extensive system administration experience combined experience using WebSphere Application Server v5.x/6.x/7.x/8.x, WebSphere Portal Server v7.x/8.x with WebSphere Content Management v7.x/8.x, IBM HTTP Server v6.x/7.x/8.x and WebSphere MQ series v6.x.
• Extensive experience in administering WebSphere suite on different flavors of UNIX, Linux and Windows Operating Systems.
• Worked on various Web Servers such as Apache, Tomcat and IBM HTTP Server 6.x/7.0/8.x.
• Good at installation, Configuration, managing and troubleshooting of WebLogic Application Server and JBoss Application Server.
• Installing and configuring IBM HTTP Server, Generating and Configuring WebSphere plug - ins, HTTP transports and Virtual hosts for the product.
• Experience in Installing, Configuring and Troubleshooting JBoss application server on various operating systems.
• Experienced with Middleware operations and supporting infrastructure, such as databases, networking, UNIX, Linux and NT servers, network management, security, and monitoring.
• Migration of WebSphere versions using WAS Pre Upgrade and WAS Post Upgrade tools.
• Good at deployment of Enterprise applications across multiple instances of WebSphere by using EBS architecture.
• Expert in installing fix packs and refresh packs for WebSphere Application Server (WAS) using Update Installer and Installation Manager in GUI.
• Deployment of EAR, WAR files on Application Servers.
• Experience in SSO installation and configuration for Site Minder web agent and TAI.
• Well versed with Troubleshooting using Application and jvm log files, log analyzer and by enabling trace.
• Successfully implemented Work Load Management (WLM) using cloning and clustering techniques including horizontal and vertical cloning for failover.
• Installed, configured and administered WebSphere Portal Server 7.x/8.x with embedded IBM Web Content Management for multiple environments.
• Configured Security for WebSphere Portal environment using LDAP registry IBM Directory Server for authoring and rendering environments.
• Experience in Migrating IBM WebSphere Portal v7.x to IBM WebSphere Portal 8.x with a high-level implementation plan.
• Experience in updating Portal Cumulative Fixes (CF’s) with Portal Update Installer.
• Good with Cisco CSS load balancer and GSS load balancer flows.
• Expertise in maintaining high availability (HA) of applications based on IBM HACMP system clustering.
• Experience in configuring the JDBC Providers, Data Sources, Global Security, SSL, and LDAP.
• Experience in creating data sources and setting up connection pools as well as creation of J2C Authentication aliases.
• Secured Applications with installation of SSL certificates. Generated Self Signed and Signed Certificates (Generate CSR and Import Signed Cert to Key Stores) through ikeyman and OpenSSL.
• Strong experience in Analyzing, Troubleshooting and taking appropriate actions by using ISA.
• Enabled Global Security for WebSphere Application Server and configured federated repositories using IBM Directory Server, Microsoft active directory as LDAP (Lightweight Directory Access Protocol) user registry.
• Extensively used administrative scripts in Jython, Jacl and shell scripts. Written and Modified scripts as per business requirement.
• Good Experience with most of the WebSphere admin and Monitoring tools including Tivoli Performance Viewer, Quick Build, Thread Dump Analyzers, request metrics.
• Expertise in LDAP, DNS, FTP, Remote Access, LTPA and System Troubleshooting.
• Responsible for taking Thread and Heap dumps and sharing them with the development team for further analysis and investigation.
• Performed regular backups of the deployed applications.
• Experience in Opening the Problem Management Record (PMR) with the IBM if there were any unresolved bugs and resolving problem tickets.
• Provided production support in an on-call rotation in a 24x7 environment.

TECHNICAL SKILLS

Web/App Servers: IBM WebSphere application Server 8.x/7x/6x, IBM WebSphere Portal with IBM Web Content Management v7.x/8.x, IBM MQ Series v5.x/6.x, IBM HTTP Server 8.x/7x/6x, Apache 1.2.2/1.3/2.0 , 2.2.

Database: My SQL, Oracle 9i/10g/11g DB2.

Monitoring Tools: Wily Intro scope, ITCAM, Tivoli Performance Viewer, Thread and Log Analyzer.

Languages: Java, J2EE, XML, HTML, C and C++.

Protocols: TCP/IP, FTP, SSl, Telnet, HTTS /HTTPS, SOAP.

Scripting: Jython Scripting, Was admin Scripting, and UNIX/ Linux Shell Scripting.

SSO: Site Minder, Web agent, TAI

Ticketing Tools: Peregrine ticketing system, BMC Remedy.

Operating Systems: HP UNIX, IBM Aix, Linux (Red hat), Windows, Sun Solaris.

PROFESSIONAL EXPERIENCE

Confidential, Dallas, TX

WebSphere Administrator

Responsibilities:

• Responsible for all Administrative Tasks like Installation, Configuration, Deployment, Scripting, Trouble shooting for WebSphere Application Server 7.X/8.X, IBM HTTP Server 7.x/8.x, IBM WebSphere Plugins v7.x/8.x on AIX, Solaris, Linux and Windows Server Environments.
• Installed and Configured WebSphere Portal Enable 8.5 from scratch to support migration activities from 7.x to 8.5.
• Deployed application EAR’s on WebSphere Application Server Network Deployment in QA, Staging and Production environments on a daily basis and troubleshoots various configuration and application issues.
• Installed and Configured IBM HTTP Server with Customization in port, access logs, error logs, plug-in path.
• Worked on platform specific scripts (Wasadmin using Jython) to automate application deployment and administration of WAS.
• Installed, Administered, configured, tuned, and troubleshot Java Applications on a JBoss Clustered environment.
• Worked with WebSphere caching proxy (WCP) server and Network Dispatchers for load balancing.
• Configuring WebSphere Application Server on multiple platforms for both horizontal and vertical scaling for Work Load Management.
• Configured JVM Class Loader and Class path to load application external jars from the Shared Lib Location so as to minimize the size of EAR for better deployment and quick start of application.
• Applied Fix packs, refresh pack and Cumulative Fixes for WebSphere application server and MQ.
• Used IBM thread and monitor dump analyzer, IBM heap analyzer and IBM memory dump tools to analyze java cores and heap dumps.
• Worked with IBM PMRs closely to resolve issues related to WebSphere Portal Server and WebSphere Content Management during migration activities.
• Experience with installing IBM Installation Manager on different flavors of UNIX.
• Experience in setting up IBM Portal Digital experience in a horizontal multi clustered environment for high availability, scalable and fault tolerant environment.
• Experience in updating Portal Fix Packs, Combined Cumulative fixes for WebSphere Portal with WCM 7.x and 8.x environments.
• Experience in generating database scripts, update and worked closely with DB team to transfer the database from derby to Oracle.
• Experience with integrating LDAP to Portal 8.x environments using Standalone and Federated repositories.
• Experience with setting up SSO and other administrative tasks in Portal like creating credential vaults for setting up Syndication.
• Troubleshooting application related issues by using ISA, CA Wily Introscope, Memory Analyzer, Core Analyzer, and Heap Analyzer and perform Root Cause Analysis.
• Performance tuning and continuous monitoring of WebSphere application server to ensure no errors are found in all the environments.
• Experience with installation of IBM MQ Series v6.x/7.x and 8.x in Unix
• Support MQ queue managers and objects running on UNIX and Windows operating systems Support Distributed Queue Management.
• MQ Channel configuration using different transmission protocols Utilize MQSC command line and MQ Explorer interface to manage MQ QMGRs and objects.
• Troubleshoot issues such as channel stopped and queue full conditions using tools such as MQ Explorer and the MQ AMQERR logs Utilize MQ publish/subscribe model .
• Tuning of IBM MQ Support WSO2, ESB, WebSphere Application Server, ITCAM, and DataBus Messaging.
• Extensively involved in Migrating the J2EE Applications from, WAS 7.0 to WAS 8.5 and applied fix packs 8.5.5.9.
• Configured and Enabled the Global Security System for WAS Administration for Console users and Console Groups using Active Directory Server as a LDAP User Registry.
• Worked closely with developers to define and configure application Servers, Virtual Hosts, Web Applications, Web resources, Servlets, JDBC drivers and Servlet Engines-as well as deployment of EJBs across multiple instances of WebSphere.
• Experience with installing IBM Installation Manager on different flavors of UNIX.
• Experience with administering shell commands for administering applications on Linux.
• Knowledge of Java Servlets, JSP, EJB development and deployment concepts and database skills.
• Share on-call duties with team including rotating on-call schedules for multiple environments including production, performance test.

Environment: IBM WebSphere Application Server 8.5 Base and Network Deployment Manager, IBM DB2, UNIX, Linux, AIX, Windows, IBM HTTP Server 8.0/2.2.8, AIX7.1, IBM Directory Server 5.2, Jython scripting.

Confidential, SFO, CA

WebSphere Administrator

Responsibilities:

• Installed, Configured administered and supported WebSphere Application ServerV8.0/7.0 and IBM HTTP server 8.0/7.0 on Red Hat Linux platform and Unix Platform.
• Configured WebSphere Deployment Manager and Application Server profiles in clustered environment to utilize the advantages of failover and load balancing in multi-node environment.
• Created Configured Profiles, Nodes, Node Groups & Clusters for WebSphere Application Server and Applied Fix Packs/Patches.
• Experience in coordinating with Network and DNS teams, firewall team in process of building the new environments and cutovers at network level.
• Configured IBM HTTP Server by creating DNS alias names, assigning ports, transporting and pointing multiple plug-in files to serve various instances in same node.
• Responsible for support and reliable maintenance of the applications on different platforms for on-going application development.
• Developed UNIX shell scripts, JACL scripts to automate the WebSphere deployment process with Developers given access to deploy test and stage applications.
• Configured resources for JDBC, J2C, and JMS based on the application requirements.
• Worked closely with developers to define and configure application Servers, Virtual Hosts, Web Applications, Web resources, Servlets, JDBC drivers and Servlet Engines-as well as deployment of EJBs across multiple instances of WebSphere.
• Used Heap Analyzer and Thread Analyzer to tune the WebSphere JVMs.
• Enabled WebSphere global security using Local OS and LDAP/LTPA mechanisms.
• Tuned the JVMs by analyzing the must gather information for Application Server Hangs.
• Created Self Signed and digital certifications using Ikeyman.
• Generated & Propagated plugin-cfg for web servers and troubleshooted plug-in regeneration problems.
• Worked on troubleshooting applications using logs, traces, Log Analyzer and Tivoli Performance Viewer.
• Created IBM PMRs and worked closely with IBM for resolving multiple issues.
• Performed routine management of WebSphere Environment like monitoring Disk Space, CPU Utilization and resolved dynamic cache problems.
• Responsible for support and reliable maintenance of the applications on different platforms for on-going application development.

Environment: Web Sphere Application Server 8.0/7.0/6.1, Red Hat Linux, AIX, Sun Solaris, IBM HTTP Server 8.0/7.0/V6.1, Apache HTTP Server 2.x, Tivoli Performance Viewer.

Confidential, Atlanta, GA

WebSphere Administrator

Responsibilities:

• Setup, Installation and Administration of IBM WebSphere Application Server 7 and IBM HTTP Server 6.0/7.0.
• Migration from WebSphere Application Server 7 to WebSphere Application Server 8.0.
• Deployed applications (EAR/WAR) files on multiple Servers/Clusters and maintained Load balancing, high availability and Failover functionality.
• Involved in installing, maintaining and Troubleshooting WebLogic application Server.
• Installed and configured Jboss application server.
• Involved in Creating and Managing the Nodes, Application Server's, Cluster's and Deployed Multiple J2EE Applications.
• Installed Refresh Packs, Fix Packs and Interim Fixes for WAS.
• Troubleshooting and Administration of IBM WebSphere Application Server 7 and IBM HTTP Server.
• Fine-tuning of Application Servers for different load requirements.
• Well experienced in troubleshooting and Performance tuning using Resource analyzer and log analyzer.
• Configuration of Virtual Hosts, Web Applications, Web Resources and JDBC drivers.
• Performed routine management of WebSphere Environment like monitoring Disk Space, CPU Utilization and resolved dynamic cache problems.
• Implemented WebSphere Global Security using LTPA and Netscape LDAP Server.
• Writing UNIX shell scripts per the demands of the environment.
• Creating PMRs (Problem Management Record) and Coordinating with IBM for problems encountered by Application Teams.
• 24x7 support for Production environments.

Environment: UNIX, Linux, AIX 6.1, Solaris V11, IBM WebSphere 7/8, IHS 6.0/7.0, DB2, Oracle 9i/10g, Windows 2003.

Confidential

WebSphere Administrator

Responsibilities:

• Involved in WebSphere installation, configuration and administration.
• Responsible for configuring and maintenance of WebSphere Environment.
• 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 troubleshooter various configuration and application issues.
• Created J2C authentication data entries for configured data source to test database connection from WebSphere administrative console.
• Configured virtual hosts and transports for WebSphere application servers.
• Configured SSL for IBM Http Server using Ikeyman utility provided with the Http Server.
• Trouble shooting various problems in different stages of development, QA and production using logs files, JVM Count and JDBC Connections.
• Monitored the performance of the deployed applications by enabling the Performance Monitoring Infrastructure (PMI) using Runtime Performance Advisor and Tivoli Performance Viewer and Wily Introscope.
• Performed WebSphere configuration, backup and restoration tasks (by using backup Config, restore Config 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.
• Involved in Clustering and Cloning of WebSphere Application server.
• Managed complex environments for the customer IT environments from a software support perspective for IBM WebSphere Application Server on UNIX, Linux and Windows platforms.
• Worked with QA Team for Unit, Stress, Load, EUAT tests and identified the throughput, response time of the applications.
• Worked closely with AIX Server Team for Operating System tweaks for Performance.
• Responsible for applying patches and fixes to WebSphere 5.x to bring it up-to-date.
• Worked with development teams to have the best practices in place for the applications.
• Responsible for configuring various performance monitoring tools including Wily Introscope.
• Involved in documentation of everyday activities.
• On-call support (24x7), monitoring and maintaining multiple Applications.

Environment: UNIX, Linux, AIX, Solaris V11, IBM WebSphere 7/8, WMQ, IHS 6.0/7.0, DB2, Oracle 9i/10g, Windows 2003.

Confidential

System Administrator

Responsibilities:

• Installing, tuning, troubleshooting and patching of Red Hat Enterprise Linux servers.
• Installation, configuration, and maintenance of web servers, application servers, and data - base servers on Linux Servers.
• Scheduled various regular, periodic, future and queue tasks by using crontab.
• NFS management - take care of user accounts/groups, setting up of NFS environment.
• Transferring files from one system to other using FTP and SFTP.
• Monitoring server performance and troubleshooting server related problems to SNMP.
• Processes administration and management like monitoring, start/stop/kill various processes/sub processes.
• Monitor system performance parameters using iostat, vmstat, and fine-tuning.
• Systems administration, maintenance, and monitoring various day-to-day operations.
• Creating and maintaining user accounts, profiles, and security rights.
• Installation/upgrade, system startup, and system shutdown as needed.
• Wrote simple bash scripts to ping the servers and add users to the boxes.
• Resolved system errors and crashes, disk space problems, huge file sizes, and file system full errors.
• Documented various regular administrative tasks and backup procedures. Providing 24/7 on-call support on rotation basis.

Environment: Red Hat Enterprise Linux, Shell Scripting, Apache, WebSphere.