Sr. Websphere Admin Resume
Reston, VA
SUMMARY:
- 8 years of experience in Middleware Administration using IBM WebSphere Application Server 6.x, 7.x, 8.x, MQ and also having experience as a Java developer.
- Having Good experience in production support for banking applications.
- Having Good experience with WebSphere Application Server System Installation, Configuration, Deployment, Administration and Production Support on heterogeneous systems like AIX, Linux and Windows NT environments.
- Experiencein IBM HTTP Server and Plugin Installations, configuration of Plugin to Application server and troubleshooting of web server plug - in.
- Created profiles using Profile Creating Wizard (PMT) and silent profile creation.
- Experienced in setting up Development, QA, Staging and Production environments with all the components and required configurations pertaining to Client requirements.
- Experienced in installing releases, applying refresh packs, fixes,fix packs and interim fixes for WebSphere, SDK, Web Server and Plug-ins using update installer and Installation Manager.
- Experienced in Configuring LDAP and enabling the Global Security System WAS Administration for console users and console Groups.
- Experienced in Configuring Web sphere resources such as JDBC Provider, J2C Authentication alias, Data Sources and Connection Pooling in order to connect to databases (Oracle /DB2).
- Experience in Deployments of EAR, WAR files on all environments using Admin Console and through wsadmin scripting as well.
- Experience in Configurations of JVM settings, WebContainer Thread Pool, Connection Pool in WAS Administration console.
- Handling Compliance, Issue, Risk and APAR (Authorized Program Analysis Report) Tracking System.
- Experienced in applying Fix packs, for all versions of WebSphere application server and different flavors of Web Servers.
- Experience in 24X7 on-call production support and troubleshooting problems related to Web Servers, Web sphere instances, Plug-ins and Databases.
- Experience in migration of earlier versions to the latest versions like 7.x to 8.5 versions.
- 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 setting up the configuration and run time traces, generating thread & heap dumps and uploading to PMR support team.
- Experienced in creating and installing security s like trust store, key store and pfx files in application server as well in webserver using iKey man tool.
- Performance monitoring using tools like Tivoli Performance viewer,Analyzer, Log Analyzer, Garbage Collector Tool,Analyzer, Memory Diagnostic Tool, IBM Tivoli Monitor
- Experienced in writing Jython scripts for basic administration tasks which include, Start/Stop of Application Server and Deployments.
- Used tools are MAXIMO, PAPA and Jira to track production support issues.
- Experience in development of J2EE web Based applications, Java 2.0, JDBC, Java Beans, Java Script, XML, HTML, and SQL.
TECHNICAL SKILLS:
Application Server: WebSphere V5.x/6.x/7.0/8.x, Tomcat, IBM MQ Series 5.3/6.0/7.0
Web Server: Apache, IBM HTTP Server 6.x/7.x,8.x.
Scripting: Jython and Jacl.
System Monitoring Tool: Tivoli performance viewer,CA Wily Introscope, PMAT LogAnalyzer, Core Analyzer, Trace Analyzer.
Operating System: AIX 6.1,7.1, CentOS 6.3, Red Hat, Ubuntu, Fedora, Windows Server.
Databases: Oracle,DB2, SQL Server and MySQL
Version control: CVS, Subversion
PROFESSIONAL EXPERIENCE:
Confidential, Reston, VA
Sr. Websphere Admin
Responsibilities:
- Responsible for Installation, configuration and administration of enterprise applications on IBM Web Sphere Application Server 8.x, IBM HTTP Server, Apache Web Server on AIX, Linux
- Implemented Clustering, Performance tuning and trouble shooting of IBM Web Sphere Application Server 8.0.and 8.5
- Involved in the configuration of Web Sphere Application Server resources like Data Sources, JDBC Providers, JNDI and Connection Pooling in order to connect to DB2 and Oracle databases.
- Configured and administered Tomcat and HIS.
- Deployed J2EE Enterprise applications on Web Sphere 8.x that involves EAR, JAR, and WAR files.
- Configured Secure Sockets Layers (SSL) for data encryption and client authentication and used iKeyman key utility to manage keys and s on IHS.
- Enabled Global Security and secured the applications by using Sun One LDAP user registries and LTPA authentication mechanisms.
- Configured Session Management at various levels (i.e. Server level, Application level, Module level.)
- Enabled Work Load Management, WLM using Horizontal and Vertical Clustering.
- Extensively used the best site monitoring tools such as Tivoli Performance Viewer & Wily Introscope for monitoring and tuning of the Web sphere Environment (JVM heap size, data base connection pool size, etc).
- Worked with J2EE architecture to modify applications based on the requirement.
- Utilized Logging and Tracing methods to monitor the System performance using Websphere Unix Environment.
- Worked with various project teams to provide support in performance tuning and issue resolution.
- Trained on BMC Blade logic for performance tuning, transaction monitoring, configuration and server virtualization to reduce the risk of costly server
Environment: Web Sphere Application Server 8.x,IBM HTTP Server, Apache Web Server, IBM AIX 6.1,Tivoli Directory server LDAP, Java,J2EE,EJB, XML, JDBC, JavaScript, ORACLE, DB2, HTML, WSCP, JACL. Jython scripts.
Confidential, Jersey City, NJ
Sr. WebSphere Administrator
Responsibilities:
- Production environment maintenance and ticket solving.
- Monitoring the task like Weekly Ripple start the cluster and start and stop the Application servers.
- Worked in WERE 8.x new features like liberty profile, Application Migration Tool.
- Responsible for maintain the profiles, Nodes, Horizontal Clusters, Data Sources, Virtual Hosts in WebSphere Application Server 8.x.
- Maintaining the IBM Http Server, WebSphere Application Server Network Deployment (ND).
- Periodic backing up of configuration files and profiles.
- Installed the Refresh Packs, cumulative fixes and feature packs to WebSphere ND V7.x, 8.x environment, for WebSphere, plugins and IHS.
- Managing the cluster environment with High Availability.
- Collection of heap threads and core threads based on requirement.
- Application deployment using the admin console, scripts on production release events.
- Monitoring the WAS by using CA Wily Introscope tool.
- Lead a project to migrate all the applications currently deployed in WAS 7.x to WAS 8.x.
- Provided to new jonnies on Profile creation Load balancing and other daily check point activities.
- Troubleshot hardware and software problems-interacting with IT staff or vendors in performing testing, support and troubleshooting functions.
- Installed EAR’s, WARs and configured application specific JVM settings, Web container parameters.
- Coordinating with various teams to set up Application specific settings, databases and Load balancer.
- Creating PMRs (Problem Management Record) and Coordinating with IBM for problems encountered by Application Teams.
Environment: IBM WebSphere Application Server 8.5.5 Network Deployment, DB2 9x, UNIX, IBM HTTP Server 8.0/2.2.x, AIX7.1, IBM Directory Server 6.3.1, JACL and JYTHON scripting.
Confidential, Charlotte, NC
WAS Admin
Responsibilities:
- Configured WebSphere Application Server on multiple platforms for both horizontal and vertical clustering.
- Installed the Refresh Packs, cumulative fixes and feature packs to WebSphere ND V7.x, 8.x environment, for WebSphere, plug-in and IHS.
- Managed Data Sources-Connection pooling for database connectivity.
- Managed global security in WebSphere using LDAP authentication. Established Single Sign on (SSO) for WebSphere application server.
- Performed Root Cause Analysis and involved in 24/7 support for the WebSphere Application Server support in troubleshooting and monitoring.
- Involved in tuning the Application Server.
- Modified deployment scripts using the wsadmin (JACL scripts).
- Enabled Different Components of Trace for problem determination.
- Used Tivoli performance viewer to monitor Applications.
- Worked with test and Development teams to meet their needs for configure various environments.
- Involved in Load balancing and Performance tuning for various WebSphere Instances.
- Involved in periodic backing up of configuration files.
Environment: IBM Web sphere Application Server 7.0 N D, IBM HTTP Server 6.0/2.0.47, AIX,5.3/6.1, IBM Tivoli Directory Server 6.0, JACL and JYTHON scripting.
Confidential
Jr. Admin
Responsibilities:
- Deployed applications (EAR/WAR) files on multiple Servers/Clusters and maintained Load balancing, high availability and Failover functionality.
- Monitoring applications and servers.
- Creating PMRs (Problem Management Record) and Coordinating with IBM for problems encountered by Application Teams.
- Involved in Creating and Managing the Nodes, ApplicationServers and Clusters and Deployed Multiple J2EE Applications.
- 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.
- Monitoring applications and servers.
- Timely taking Profiles backups and recovery if required.
- Monitoring the synchronization.
Environment: IBM Web Sphere Application Server 6.0/7.0 ND, IBM HTTP Server 6.1/7.0/,AIX5.3 and 6.1, IBM Directory Server 6.0, JACL and JYTHON scripting.
Confidential
Responsibilities:
- Developed application using JSP Custom Tags, Struts tags& JSTL tag libraries.
- Used and configured Struts DynaActionForm, Message Resources, Action Messages, Action Errors, Validation.xml,Validator-rules.xml.
- Developed application frameworks - Exception Handling, Logging etc
- Created DAO and VAO classes.
- Involved in unit test case preparations.
- End to End testing of the deployed applications
- Involved in disaster recovery (DR) test.
- Deployment of EARs, WARs and configured application specific JVM settings, Web container parameters using the Admin Console and python scripts/ WAS admin scripts.
- Configured Web Sphere resources - JDBC Provider, Data Sources and Connection Pooling in order to connect to databases.
- Used Tivoli Performance Viewer to monitor WebSphere Applications.
- Stopping/Starting & Monitoring the logs for Application Server Instances, Http server.
Environment: Eclipse, Web sphere Application Server6.x, 7.x, JDK 1.5, Oracle 10g, spring, Struts2.0, JPA and SVN.