Websphere/weblogic Administrator Resume
Richmond, VirginiA
SUMMARY
- An accomplished professional with 6.5 years of IT experience which has the same years of experience as middleware administrator.
- Six years of strong experience in IBM Websphere Application Server Administration and integration with various webservers, databases, Ldap and security servers.
- Four years of strong experience in Oracle Weblogic Application Server Administration and integration with various webservers, databases, Ldap and security servers.
- Strong experience in setting up Websphere and Weblogic Servers in the development, testing and production environments.
- Experienced in Installation and Configuration of Websphere Application server 5.x,6.x,7.x, Oracle Weblogic server 8.x,9.x,10.x, IBM HTTP Server, Sun - one Webserver on AIX, Solaris, Linux platforms.
- Expertise in Websphere/Weblogic version upgradation, fixpack pack installation.
- Experienced in Installing and Configuring IBM Websphere MQSeries V5.3/V6.0, creating local queues, remote queues, creating channels, listeners on Windows and Linux platforms.
- Experience in both JACL and Jython scripting using wsadmin, and also shell scripting for various automation tasks and troubleshooting.
- Experienced in configuring Workload Management (WLM) of Web Sphere Application Server and Weblogic Application server and also in Performance Tuning.
- Experienced in deploying J2EE components on IBM Websphere Application server and Oracle Weblogic Application server and monitoring using Wily Introscope.
- Involved in performing stress testing to test for workload balancing and memory leaks, connection pooling issues, tuning in Websphere Application Server and Weblogic Application server.
- Extensive experience in creating and managing Data sources and JMS resources.
- Extensive experience in configuring the HTTP Server for various clustered application servers using virtual hosting and enabling SSL security.
- Strong experience in Analyzing, Troubleshooting and taking appropriate actions for Application/Web server errors and logs.
- Experienced in implementing Work Load Management (WLM) methodology and Fail Over mechanisms using horizontal, vertical clustering as per the requirements after doing cost analysis.
- Good exposure towards OS platforms including Sun Solaris, Linux, AIX and Windows.
- Involved in Automation of product and application installations on UNIX platforms.
- Expertise in creating and managing Entrust and Verisign SSL certificates on Webservers and Application servers.
- Good experience in supporting major international clients geographically split across US, UK and EMEA.
- Excellent client relation skills and the drive to complete tasks 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.
- Highly organized and detail-oriented individual with strong analytical, interpersonal skills, quality awareness and written and verbal communication skills.
TECHNICAL SKILLS
Middleware: IBM Websphere Application server 5.x,6.x,7.x, Oracle Weblogic Application server 8.x,9.x,10.x, Oracle/Aqualogic Service Bus 10.x,9.x,8.x, IBM Websphere CE, Adobe Jrun, IBM Websphere Datapower XI50.
WebServers: Iplanet/Sunone Webserver 6.1, IBM HTTP server 2.x,6.x, Apache.
Platforms: AIX 5.2/5.3, Solaris 8,10, Redhat Linux.
Database: Oracle 8i,9i,10g, DB2, SQL Server, Sybase, MS SQL.
Messaging: IBM Websphere MQ 2.1/6, JMS.
LDAP: IBM Tivoli Directory Server V6.
Security: Siteminder, Certificate Management.
Monitoring Tools: Tivoli Netcool, Wily Introscope, HP BAC, SiteScope.
Network: Load balancers (BigIP), Firewalls, Cisco Switches/ Routers.
PROFESSIONAL EXPERIENCE
Confidential, Richmond, Virginia
Websphere/Weblogic Administrator
Responsibilities:
- Working in Service-oriented Architecture(SOA) which involves Oracle Service bus, Weblogic Integration server, IBM Websphere MQ, XML gateway and database running on Redhat Linux.
- Providing Middleware Production support as part of Integrated Production Support (IPS) which is one of the IT division in Confidential that handles production support for various suites of applications.
- Troubleshooting, Load Balancing, Clustering, Deploying Applications, Performance Tuning and Maintenance.
- Create, configure and tune weblogic domains/applications for performance.
- Work with vendors and developers for application related issues.
- Code deployments/promotions in domain and clustered environments, performance monitoring and performance tuning.
- Cluster Configuration - Single Cluster, Multiple Clusters and Deployment over clusters.
- Server Performance Tuning - Thread Dump Analysis, Core Dump Analysis when Server crashed unevenly.
- Working with WebLogic utilities - WebLogic.Admin, WebLogic.Deployer.
- Monitoring WebLogic server health and security.
- Tuning JVM heap size to maximize the number of clients accessing the applications.
- Analyzing the Log Files, Thread Dumps, JVM Dumps, Exception Stack Traces.
- Configuration of Site scope monitors for monitoring the environment.
- Monitoring thread usage, connection pool usage, CPU usage, Memory usage and preparing reports for the performance tests, dry run tests and load tests conducted on the Application Servers.
- Monitoring and analyzing resources, Standard logs, application logs and domain logs.
- Experience in performance tuning for Web applications at various level by using JProbe8.1 profiling tool.
- WebLogic Administration, Monitoring and Troubleshooting using Admin Console.
- Managing and Monitoring the JVM Performance by adjusting WebLogic heap size and garbage collection parameters.
- Monitoring the WebLogic Server using HP Sitescope and SNMP agent based monitoring.
- Performance tuning of Web Logic server with respect to heap, threads and connection pools.
- Involved in configuration management, software deployment, change management, performance monitoring, and application maintenance.
Environment: Oracle Service Bus 10.3, Aqualogic Service Bus 9.2, Oracle Weblogic Integration, IBM Websphere Application server 7.1(Xpress), IBM Websphere MQ 7, IBM Websphere DataPower XI50(XML Gateway), Mainframe DB2, RHEL, BigIP, HP BAC, Mercury Diagnostics, HPSM.
Confidential, Irving,Texas
Websphere/Weblogic Administrator
Responsibilities:
- Installation, Configuration and Administration of IBM Websphere Application Server, 5.x,6.x, 7.x on AIX and solaris platform.
- Responsible for Installation, Configuration, Troubleshooting and maintenance of Weblogic Application server on multiple Platforms.
- Performed Weblogic installation, domain configuration, clustering, load balancing and performance tuning.
- Configured Clusters and Instances for improved availability and failover capability.
- Involved in migration of the applications from Websphere 5.x to 6.0 and worked closely with development team.
- Applied Refresh packs, fix packs and cumulative fixes for Websphere application server.
- Worked on Jython scripts to administrate Websphere configuration.
- Created various requests for all Administrative tasks like Websphere MQ Queue Connection Factories, Queue Destinations, Listener ports, Resource Adaptors..
- Provided solutions for clustering at Web Server and Websphere areas. Worked on Horizontal and Vertical clustering methods providing fail over, effective load balance scenarios and efficient utilization of system resources. Worked closely with other teams providing WebServer load balancing mechanisms.
- Involved in enabling Websphere global security using Local OS and LDAP/LTPA mechanism, SSL configuration and Ordering digital certs for Pre-prod and Prod environments.
- Good working experiences with Session Management, creating replication domains for session persistence (Memory to Memory replication). Used Websphere backup and restore scripts for backing up Websphere repository.
- Worked closely with developers to define and configured application Servers, Virtual Hosts, Web Applications, Web resources, Servlets, JDBC drivers and Servlet Engines-as well as deployment of war, ear and jar files across multiple instances of Websphere.
- Deploying the applications on clusters, updating the installed applications and updating Web Server plug-in configuration using administrative console as well as Jacl scripts.
- Used Websphere plug-in for load balancing across the cluster members and manually updated it for remote webservers in the DMZ.
- Created and managed data source and database connection pools.
- Created and managed JMS resources (queues, topics and connection factories)
- Involved in performance tuning of Application Server, Web Container, EJB Container and database connection pool.
- Coordination between Application Support Team(Team supporting the application), Testing team, Release Management (Team responsible for releasing application in Production Environment), Compliance Team, Infrastructure Team, Capacity Management Team, Architecture Board, License Management for streamlined successful application release in Production Live environment.
- Responsible for deploying enterprise applications from Admin console and enabling security using LTPA and LDAP for admin console and application components on AIX.
- Used Wily Introscope to monitor the health of various applications.
- Involved in the Disaster Recovery tests.
- Enabled SSO by installing webagent and registering with the policy servers.
- SSL certificate tracking and renewal on multiple environments.
- Managing and Monitoring the JVM performance by Websphere Heap Size, garbage collection, JDBC Pools Responsible for Architectural Design, Implementation and periodic testing and support of Web Environments with respect to High Availability and Disaster Recovery.
- Created IBM Problem Management Records (PMR) to report Websphere Application Server problems. Analyzed log files to solve problems using debugging tools like Log Analyzer, First Failure Data Capture Tool and Collector Tool.
- Deployed the application in staging, production, following change management practices.
Environment: IBM Websphere 6.0/6.1/7.0 appserver, Oracle Weblogic 8.1/9.2/10.3 appserver, Sunone Iplanet Webserver 6.1, IBM Websphere CE appserver, Jrun appserver, CA Siteminder 6sp5, AIX 5.2/5.3, Solaris 8/10, Redhat Linux, Oracle 9.2/10g, DB2, MS SQL Server, Sybase, BigIP.
Confidential
Websphere/Weblogic Administrator
Responsibilities:
- Installation, Configuration and Administration of IBM Websphere Application Server 5.1 and 6.x on AIX and Linux and solaris platform.
- Trouble shooting errors both Application & JVM also analyzed heap and core plus error logs - configured tuned JVM for optimum performance.
- Created and managed data source and database connection pools.
- Installed and configured both IBM HTTP Server 6.0 and iPlanet 6.1 Web servers and plugins and configured SSL for the webserver and plugin communications.
- Created and federated profiles to the Deployment Manager using both Profile Management tool and also automated the process using manage profiles and addnode command.
- 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 and worked with developers.
- Responsible for deploying applications on the cluster and setting up the environment.
- Configured Websphere resources like JDBC providers, JDBC data sources and connection pooling and tuning it and monitoring it using Tivoli Performance viewer by enabling PMI.
- Troubleshoot problems on the various environments involving the integration of Websphere, IBM HTTP Server, iPlanet webservers, and ldap.
- Configured global security on Websphere using IBM Directory Server and secure the admin console.
- Automated configuration, troubleshooting, deployments using JACL and Jython scripts - used AdminConig, AdminApp, AdminControl and AdminTask.
- Coordination between Application Support Team(Team supporting the application), Testing team, Release Management (Team responsible for releasing application in Production Environment), Compliance Team, Infrastructure Team, Capacity Management Team, Architecture Board, License Management for streamlined successful application release in Production Live environment.
- Responsible for deploying enterprise applications from Admin console and enabling security using LTPA and LDAP for admin console and application components on AIX.
- Configured Clusters and Instances for improved availability and failover capability.
- Analyzing the scalability of applications using IBM tools.
- Monitored Applications and WAS performance through Tivoli Performance Viewer and tuned the system - caching, queuing, JVM parameters, DB Connection Pooling.
- Involved in setting up JVM tuning parameters.
- Worked on the change management process for changes to Production.
- Involved in the Disaster Recovery tests.
- Troubleshoot problems on the various environments involving the integrations of Websphere, IBM HTTP Server.
- Configured admin console security on Websphere and creating users with various roles to access the Websphere admin console.
- Responsible for documenting the various procedures involved in the day to day maintenance of the various environments.
- Participated in team meetings and management meetings to resolve issues related to the various environments.
Environment: IBM Websphere 5.1/6.0/6.1 appserver, Oracle Weblogic 8.1/9.2 appserver, Sunone Iplanet Webserver 6.1, Jrun appserver, CA Siteminder 6sp5, AIX 5.2/5.3, Solaris 8/10, Redhat Linux, Oracle 9.2/10g, MS SQL Server, Sybase, BigIP.
Confidential
Websphere/Weblogic Administrator
Responsibilities:
- Providing middleware support to multiple applications on Production, UAT and development environment.
- Installation, Configuration, Troubleshooting and maintenance of Weblogic/Websphere on multiple Platforms.
- Installation, Configuration, Troubleshooting and maintenance of Sunone Iplanet webserver on multiple Platforms.
- Websphere/Weblogic version upgradation, fixpack installation.
- Creation and Configuration of domains in Weblogic and Profiles in Websphere Application server.
- Working in Cluster setup in both Websphere and Weblogic.
- Creation and configuration of Data sources and JMS resources in both Websphere and Weblogic servers.
- Deployment of web applications on Weblogic and Websphere instances.
- Cluster creation and configuration based on the business requirement on WAS and Weblogic (Vertical & Horizontal).
- Plug-in generation and configuration.
- EAR and WAR files deployments.
- Fine tuning Websphere/Weblogic/Iplanet servers.
- SSL Configuration on both webserver and Appserver.
- SSL certificate tracking and renewal on multiple environments.
- Enabling appserver/webserver related filesystem monitoring.
- Startup scripts implementation for Websphere/Weblogic/Iplanet to bring up the instances after reboot.
- Reviewing the install guides during release times.
- Periodic Backup Operations.
- Automated deployment process using wsadmin and shell scripting.
- Involved in debugging, providing workarounds to reported issues.
- Preparing internal team documentation for new environment.
- Work on highly critical and escalated technical issues reported on Oracle Weblogic Server components.
- Work closely with Oracle and IBM in validating and fixing bugs reported.
- Good working experience with Secured Socket Layer (SSL), creating self signed certificates, Generating certificate requests, Import/Export certificates and creating key databases for Iplanet/IBM HTTP webserver, Weblogic/Websphere appservers.
- Involved in tuning of JVM and Applications in Websphere/Weblogic production environments.
- Log file management and garbage collection tuning.
Environment: IBM Websphere 5.1/6.0/6.1 appserver, Oracle Weblogic 8.1/9.2/10.3 appservers, Sunone Iplanet Webserver 6.1, IBM Websphere CE appserver, Jrun appserver, CA Siteminder 6sp5, AIX 5.2/5.3, Solaris 8/10, Redhat Linux, Oracle 9.2/10g, BigIP.
Confidential
Websphere Administrator
Responsibilities:
- Maintaining Websphere Application server (IBM Websphere 5.1 Server), Rational Clearcase Server, IBM db2, File server, IBM Tivoli LDAP Server, NFS Server, backup server, SMTP server.
- Websphere Application Server & NDM V 5.1 Installation, Configuration & Troubleshooting.
- Websphere Application Server configuration based on the business requirement.
- Installed and configured IBM HTTP Server 2.0 and plugins and configured SSL for the webserver and plugin communications.
- Created and federated profiles to the Deployment Manager using both Profile Management tool and also automated the process using manageprofile and addnode command.
- 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 and worked with developers.
- Configured Websphere resources like JDBC providers, JDBC data sources and connection pooling.
- Used Websphere plug-in for load balancing across the cluster members.
- Handling the Ear deployment through Mandatory and Automated scripts.
- Preparing the Application Installation Guide for Web Applications.
- Was involved in writing shell scripts to automate Websphere admin tasks and application specific rsyncs / backups and other schedulers.
- Participated in team meetings and management meetings to resolve issues related to the various environments.
- Used Tivoli Performance tools for tuning the Websphere environments (JVM heap size, data base connection pool size, etc).
- Used Websphere plug-in for load balancing across the cluster members and manually updated it for remote webservers in the DMZ.
- DB2 V8.1 Installation and configuration.
- Installed SSL certificates on the web servers using ikeyman tool.
- Established cluster setup on Application (vertical & Horizontal).
- Established database connectivity with DB2 on IBM Websphere.
- Worked with developers and QA team in various stages of development and testing and taking the application from DEV to Test to QA and PROD environments.
- Configured SMTP server for internal mail access on business requirement.
- Build acceptance test execution, raising installation defects.
- Involved in opening and working on PMR’s with IBM to solve various issue related to the environment. Enabled traces as part of troubleshooting and used collector tool to submit the logs and traces to IBM after running the must gather scripts and enabling various traces and taking thread dumps.
- Installing and configuring various UNIX boxes including Red Hat Enterprise Linux, Solaris 10
- Hosting the web pages on apache server and creating user authentication as per the need.
- Periodic Backup Operations.
Environment: IBM Websphere application server NDM V5.1, IBM Websphere application server V5.1, DB2 8.1, IBM Websphere MQ 5.3/6, IBM Tivoli Directory Server V6, Redhat Enterprise Linux V4.1.
Confidential
Websphere Administrator
Responsibilities:
- Installation / Configuration/ Maintenance of WAS on Linux Platform.
- Daily Build deployment and configuring workspace on Linux platforms.
- Database and LDAP setup on different windows and Linux.
- Worked with developers and QA team in various stages of development and testing and taking the application from DEV to Test to QA and PROD environments.
- Installed and configured IBM HTTP Server 2.9 and plugins and configured SSL for the webserver and plugin communications.
- Created and federated profiles to the Deployment Manager using both Profile Management tool and also automated the process using manageprofiles and addnode command.
- 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 and worked with developers.
- Responsible for deploying applications on the cluster and setting up the environment.
- Configured Websphere resources like JDBC providers, JDBC data sources 4/5 and connection pooling and tuning it and monitoring it using Tivoli Performance viewer by enabling PMI.
- Troubleshoot problems on the various environments involving the intergration of Websphere, IBM HTTP Server, iPlanet webservers and ldap.
- Configured global security on Websphere using IBM Directory Server and secure the adminconsole.
- Configued 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.
- Was involved in writing shell scripts to automate Websphere admin tasks and application specific rsyncs / backups and other schedulers.
- Used Tivoli Performance tools for tuning the Websphere environments (JVM heap size, data base connection pool size, etc).
- Was responsible for documenting the various procedures involved in the day to day maintenance of the various environments
- Cluster creation and configuration based on the business requirement on WAS
- Creation and configuration of Data sources and JMS resources.
- Deployment of web applications.
- Validation of installation defects fixed.
- Supporting the Dev and Test team for testing purpose. (Trouble shooting and maintenance of the projects deployed).
- Preparing internal team documentation for new environment setups.
- Reviewing the install guides during release times.
- Trouble shooting and maintenance of the projects deployed.
- Log level setting for debugging purpose.
Environment: IBM Websphere application server NDM V5.1, IBM Websphere application server V5.1, DB2 8.1, IBM Websphere MQ 5.3/6, IBM Tivoli Directory Server V6, Redhat Enterprise Linux V4.1.