Middleware Administrator/ Devops Engineer Resume
St Louis, MO
PROFESSIONAL SUMMARY:
- Over 7+ years of IT industry experience in Systems Administration, IBM WebSphere 6.x/7.x/8.x, IBM WebSphere MQSeries, JBoss EAP 6.x/7.x, WebLogic 12.x and Apache Tomcat 6.x/7.x/8.x Administration, integrating with all the J2EE components.
- 2+ Years of engineering the automation of OS in a DevOps environments such as (Non - Prod & Prod) completely automated.
- Technical abilities include installations, configurations, security, migrations, and technical support for large enterprise applications. Experience of system administration on Sun-Solaris, Redhat Linux, AIX, Windows.
- Extensively worked on Hudson and Jenkins for continuous integration and for End to End automation for all build and deployments.
- Designing, implementing and supporting fully automated Continuous Integration and Continuous Delivery processes through Hudson, Jenkins and Bamboo Atlassian.
- Worked on version controller tools like Subversion (SVN), Git/Github.
- Established Chef Best practices approaches to systems deployment with tools such as vagrant and test-kitchen and the treatment of each Chef cookbook as a unit of software deployment, independently version controlled.
- Writing Chef Recipes to automate our build/deployment process and do an overall process improvement to any manual processes.
- Worked with Chef Enterprise Hosted as well as On-Premise, Installed Workstation, Bootstrapped Nodes, Wrote Recipes and Cookbooks and uploaded them to Chef-server, Managed On-site OS/Applications/Services/Packages using Chef as well as AWS for EC2/S3/Route53 & ELB with Chef Cookbooks.
- Worked with Ansible playbooks for virtual and physical instance provisioning, configuration management, patching and software deployment.
- Proficient in Architecture, Installation, Setup and Configuration of IBM WebSphere and IBM Http Server . Involved in configuring J2EE Enterprise Applications on heterogeneous platforms under multi-cell and multi-node environments.
- Involved and Implemented Various Application architecture designs, WebServer and WebSphere Application Server load balancing techniques (Horizontal and Vertical Clustering), WebSphere Global Security (LTPA mechanism), SSL (Mutual Authentication), Single Sign-on using Oblix and SiteMinder, WebSphere MQ.
- Configured Queue Connections Factories, Queue Definitions, and Listener Ports to provide connectivity to Enterprise MQ infrastructure and worked on Service Integration Bus (SIB) configuration in V6.x
- Configured Global Security for WebSphere Application Server using IBM Directory Server as LDAP user registry and configured SSL for ldap communication.
- Deployment, Software installation, maintenance, fixes, upgrades, general administration, troubleshooting and performance tuning of JBoss.
- Resolved Deployment and network issues for Development team and in Production Environment. Created Data Sources to a variety of Databases, including DB2, SQL and Oracle.
- Installed and configured mod jk, mod cluster plugin for JBoss and implemented clusters in JBoss for load balancing and failover.
- Expertise in setting up Database, MQ configurations and automated Deployments for JBoss Application Servers.
- Configured WebSphere Application Server and JBoss with LDAP like Active Directory server for user authentication.
- Extensive experience in installation, configuration, deployment, management of Web/ J2EE enterprise applications using Oracle WebLogic and Apache Tomcat.
- Expertise in TCP/IP fundamentals DNS, FTP, LDAP, Remote Access, Security Management, System Troubleshooting skills, and good knowledge in networking concept including Load Balancers and Firewalls.
- Expertise in Tuning of Application Servers by Tivoli Performance Viewer and Compuware Vantage Analyzer like setting the dynamic cache size and setting the JVM heap size using collected Performance Monitoring Infrastructure (PMI) data.
- Involved in troubleshooting the applications using tools like Dynatrace, App Dynamics and Wily Introscope.
- Worked closely with APM team for configuring Wily Introscope and Dynatarce for monitoring of JBoss instances.
- Worked with IBM on problem determination, troubleshooting, and resolution - PMRs, running and submitting, gather scripts and log info, turning, trace, verbose-gc, taking thread and heapdump.
- Expert in using JProbe to identify the memory usage, leaks and analyzing the Garbage Collection and configuring the right GC parameters for better performance.
- Expertise in installation and configuration of SSL/TLS on HTTP Servers and Application Server and troubleshooting of SSL Handshake issues.
- Highly skilled in updating plugin and config file for troubleshooting and improving performance.
- Performed root-cause analysis for production outages and provided management with analysis reports.
- Adept Confidential Monitoring and altering filesystem usage, hardware and system process failures.
- Written shell scripts in bourne and korn shells, wrote JACL, python, jython scripts to automate most of the WebSphere administrative tasks via the wsadmin util, CRON jobs and deploy on LPARS.
- Excellent team worker and ability to quickly adopt and work under minimal supervision. Ability to communicate requirements effectively to team members and manage applications.
- Extensive experience in providing 24/7 on-call support.
TECHNICAL SKILLS:
Application Servers: IBM WebSphere Application Server 6.x/7.x/8.x, JBoss EAP v6.x/7.x, Apache Tomcat 6.x/ 7.x/8.x, Oracle WebLogic Server 12.x
Build/ Automation Tools: Chef, Maven, Jenkins, Hudson, Bamboo, Vagrant, Docker, Gradle
Databases: ORACLE 11g/10g/9i, DB2/UDB 7.2/8.0, SQL Server, MS-Access
Languages and Scripts: Java, J2EE, C++, C, SQL/PL SQL, HTML, DHTML, XML, CSS, JACL, Jython, ANT, WSCP, wsadmin, Shell scripting, Perl, JavaScript
Web Servers: IIS 6.0/7.0, IBM HTTP Server, Apache HTTP Server, Sun One/ iPlanet Web Server
Operating Systems: UNIX, Linux, OS/390, AS/400, Solaris, IBM AIX and Windows NT/2000/2008
Network /Protocol: TCP/IP, HTTP/HTTPS, SSH, Telnet, FTP, RMI/IIOP and WAP (WTP/WSP)
Tools: JON (JBoss Operations Network) 2.x, Tivoli Storage Manager, Clear Case (Version Control Software), SSO (Single Sign On), SSH
PROFESSIONAL EXPERIENCE:
Confidential, St. Louis, MO
Middleware Administrator/ DevOps Engineer
Responsibilities:
- Improved Continuous Integration workflow, project testing, and deployments with Jenkins. Implemented code coverage and unit test plug-ins with Maven in Jenkins.
- Administered and Engineered Jenkins for managing weekly Build, Test and Deploy chain, SVN/GIT with Non-Prod/Prod Branching Model for weekly releases.
- Worked on build automation tools like ANT, Bamboo and Gradle.
- Worked with JIRA for creating Projects, assigning permissions to users and groups for the projects & Created Mail handlers and notification Schemes for JIRA.
- Installed Chef-Server Enterprise On-Premise/WorkStation/ Bootstrapped the Nodes using Knife and automated by testing chef recipes/cookbooks with test-kitchen/chefspec/serverspec.
- Leveraged Docker Engine to run Multiple Tomcat Instances as Containerized App Servers.
- Installation, configuration, tuning, backup, recovery and upgrade of IBM WebSphere Application Server 8.0/8.5 Network Deployment on HP-Unix, AIX, Solaris and Linux.
- Installed and configured Apache HTTP Server, IHS and WebSphere Application Server and configuration of Virtual Hosts for Apache HTTP web Server, and Tomcat Application Server.
- Installed, Configured and administered Oracle WebLogic Server 12.1.x/12.2.x and Webservers like iPlanet/Apache in Development, Test and Production Environments.
- Installed and configured iPlanet/Apache Plug-ins for WebLogic. And, configured Node manager for administering the managed servers in WebLogic.
- Worked on WebLogic 12.1.x horizontal clustering, JDBC configuration and Performance Tuning.
- Upgraded WebLogic 12.1.1 version to 12.1.3/12.2.1 and configured WebLogic HttpClusterServlet ProxyServer (WebLogic web server) for Non-Prod environments.
- Installed, configured and administered JBoss EAP 6.x/7.x (Domain and Standalone) in different environments like Development, QA, UAT and Production on Linux (RHEL).
- Upgraded JBoss EAP 6.2/6.3 versions to 6.4.x version and configured mod cluster 1.3.1 version for load balancing.
- Configured the data sources, message queues and security domains for applications on JBoss application server and created JBoss specific.
- Configuration, Administration and Maintenance of Active MQ 5.x on Windows & Red Hat LINUX.
- Installed and configured Active MQ client libraries and made Active MQ series for JBoss applications.
- Configuration, Administration of Tomcat instances and worked on Apache Tomcat 6.x migration to 8.x.
- Installed, Configured and administered IBM MQ Series v8.0/8.5 and applied latest fixes, patches.
- Configured the middleware application tier with Site minder for Single Sign on Authentication policy.
- Provided extensive support in deployment, change management and application level troubleshooting for the Dev, Test, Pre-Prod & Production environment.
- Responsible for LDAP System administration tasks using Apache Active Directory.
- Hands on knowledge with BPM ActiveVOS 9.2.4 server configuration and administration.
- Hands on knowledge with Connect Direct, PT-GUI 6.0.0.1 -- Provisioning Thin Graphical User Interface. set up and configuration.
- Responsible for SSL certificate Installation and configuration.
- Involved in AppDynamics installation, configuration and set up monitoring alerts for WAS, JBoss, WebLogic, Tomcat, and IIS servers.
- Dynatrace Agents installation on multiple platforms. Monitored Custom business transactions to capture argument/session attributes by using Dynatarce.
- Monitor and analyze the data with Dashboard and Splunk tools.
- Achieved Workload Management and Failover by creating and configuring Clusters and Cluster members for Load Balancing and High availability.
- Complete involvement with ITG requests for multiple environments that include Infrastructure design, management as well as Databases and Load balancers.
- Provided expertise in infrastructure and web tier operations and overall middle tier distributed systems.
- Involved in the administration and support of web tier and Middleware applications.
- Analyzed all aspects of the existing infrastructure and recommended modifications that will enhance system reliability, availability, serviceability, and scalability.
- Provided excellent communication to application vendors to get the best results in application design and management.
- Complete Involvement in HPSM workload management like Incident Management, Change Management and the ability for resolve tickets in a timely manner.
- Ability to provide support, assess CAB meetings and provide in-depth knowledge transfer for best possible ways to support the Application Middleware Tier.
- Worked with teammates, clients and other teams to identify and address systems problems.
- Evaluated new developments and recommended infrastructure modifications.
- Involved in Disaster Recovery Activities like Active-Passive and Active-Active scenarios.
- Worked with Zerto software team for Disaster Recovery configuration.
- Involved in providing 24x7 on-call support of middleware applications as part of rotating team coverage.
- Provided in depth consultation to application teams on a variety of different applications.
- Assisted in defining standards, guidelines, best practices and metrics.
- Responsible for documenting the various procedures involved in the day to day maintenance of the various environments.
Environment: Chef, Docker, Vagrant, IBM WebSphere 8.x, IBM MQ Series 8.x, JBoss EAP 6.x/7.x, WebLogic 12.x, Apache Tomcat v6.x/7.x/8.x, IIS7, Apache HTTP server, ActiveVOS, Active MQ, Oracle SQL Developer, JIRA, LDAP Oracle directory Server, Zerto, Hudson, Jenkins, Bamboo, Gradle, Connect Direct, Oracle 11g, Introscope, App Dynamics, Dynatrace, Nagios, Splunk, Siteminder, Shell Scripts, VMware.
Confidential, Bothell, WA
Middleware Administrator/ DevOps Engineer
Responsibilities:
- Installed Chef-Server Enterprise On-Premise/WorkStation/ Bootstrapped the Nodes using Knife.
- Designed and implemented Chef, including the internal best practices, cookbooks, automated cookbook CI and CD system.
- Made use of Jenkins for Chef CI, Rake for style and linting, Thor for versioning, Berkshelf for dependency management, and Test-Kitchen for testing and development.
- Configured continuous integration build plans in Hudson and Jenkins to deploy the code and provided extensive support in deployment, change management and application level troubleshooting for the Dev, Test, Pre-Prod & Production environment.
- Worked on Version controller like GIT and troubleshoot the build issue during the Jenkins/Hudosn build process.
- Worked with Ansible playbooks for virtual and physical instance provisioning, configuration management, patching and software deployment.
- Installed, Configured, Administered and Supported WebSphere Application Server 7.0/8.x on Linux/Windows platform.
- Configured WebSphere resources including JDBC providers, JDBC data sources, connection pooling and JMS Connection Factories and Queues.
- Setup Session replication using memory-memory replication.
- Involved in Setup, Installation, and Administration of JBOSS Application Server 7.1.1 GA with IIS on Windows 2008 R2 and Java 6.
- Involved in configuring ISAPI Redirector.dll configuration for JBoss AS 7.1.1 GA.
- Involved in Load balancing/Tuning/Clustering for JBoss Server using mod jk.
- Deployed business applications on WebLogic Server instances.
- Achieved Workload Management and Failover by creating and configuring Clusters and Cluster members for Load Balancing and High availability.
- Installation and configuration of Apigee Edge Gateway implementation in CSI (Common Services Interface).
- Responsible for working with Apigee Dev team and get the On Premises Deployment Kit (Opdk) release schedule.
- Responsible for Installing the Zookeeper, Cassandra, Apache DS, OpenLDAP, Management Server, Router, Message Processors, Qpid, Ingest servers and Postgres DB in Single DC and Multi DC planets.
- Creating the Apigee Organization, Environments and attach the Routers and Message Processors to ORG.
- Deployed the API Proxies and CSI GW code on Apigee GW (GW3).
- Closely worked with Apigee team to resolve the day-to-day issues related to Apigee Product and functionality.
- Responsible for document the changes, installation procedures, risk/issues to-help the smooth production deployment.
- Worked with EPM team in Apigee Hardware planning for future Planet build outs.
- Installed and configured SSL certificates in the environment using OpenSSL and GSKit.
- Installed and configured the BPM Tibco Enterprise Message Service 5.1, also Configured and analyzed the EMS queues.
- Configured the middleware application tier with Siteminder for Single Sign on Authentication policy.
- Provided excellent communication to application vendors to get the best results in application design and management.
- Complete Involvement in HPSM workload management like Incident Management, Change Management, and the ability for resolve tickets in a timely manner.
- Ability to provide support, assess CAB meetings and provide in-depth knowledge transfer for best possible ways to support the Application Middleware Tier.
- Complete involvement with ITG requests for multiple environments that include Infrastructure design, management as well as Databases and Load balancers.
- Provided expertise in infrastructure and web tier operations and overall middle tier distributed systems.
- Involved in the administration and support of web tier and Middleware applications.
- Analyzed all aspects of the existing infrastructure and recommended modifications that will enhance system reliability, availability, serviceability and scalability.
- Worked with teammates, clients and other teams to identify and address systems problems.
- Evaluated new developments and recommended infrastructure modifications.
- Monitor and analyze the data with Dashboard, AppDynamics and Splunk tools.
- Monitored resource utilization, including CPU, memory and disk utilization thorough App Dynamics and Wily Introscope.
- Provided in depth consultation to application teams on a variety of different applications.
- Assisted in defining standards, guidelines, best practices and metrics.
- Responsible for documenting the various procedures involved in the day to day maintenance of the various environments.
- Involved in providing 24x7 on-call support of middleware applications as part of rotating team coverage.
Environment: Chef, Ansible, IBM WebSphere 7.x/8.x, IBM WebSphere Decision Center, JBoss AS 7.1.1 GA, WebLogic, Apache Tomcat v6.x/7.x, DB2, Apigee, Zookeeper, Cassandra, Apache DS, OpenLDAP, Postgress DB, Tibco EMS, Hudson, Jenkins, App Dynamics, Introscope, Oracle 11g, MS SQL Server 2008 R2, Siteminder, VMware, M-Tail, IIS7, ISAPI Redirector, and XML file configs.
Confidential, Minneapolis, MN
WebSphere / JBoss Administrator
Responsibilities:
- Installed, configured and administered IBM HTTP Server, Windows IIS Server, Apache HTTP Server and SUN One Web server.
- Installed and Configured JBoss Application Servers, implemented clusters in JBoss for load balancing and failover, configured Multiple JBoss instances on single server.
- Expertise in administering and configuring the monitoring tool like Jboss operations network, Jconsole, GCviewer.
- Optimized performance by SLIMMING JBOSS instances to deliver business specifics in intranet and Internet applications.
- Responsible for Configured Twiddle “Command line utility” for Jboss application server to get the JMX mbean status. Good knowledge with Jmeter testing. Worked with JMX-console to monitor the Jboss parameter values like memory usage or JCA connection Details.
- Installed & Configured LDAP server with Apache & Jboss Application server.
- Installed, configured and administered IBM WebSphere Application Server 7.x/8.x on AIX, and Red hat Linux Environment.
- Worked in different environments like Development and Pre-production.
- Configured clustered environment in Web Sphere Application Server 8.X and deployed applications on Windows, Linux and Solaris environment.
- Deployed EAR applications in clustered WebSphere Application Server for Dev and Pre - Production environments.
- Setup profiling tools for J2EE Application's and worked with Application Groups in improving performance of application and possible memory leaks in application before deploying.
- Upgraded Applications with various patch files (EJB classes, JSP's, Class files, changing various properties and property files)
- Created Digital Certificates and configured SSL for WebSphere, Http Server, iplanet and IIS.
- Configured and Enabled the Global Security for WAS Administration Console users and Console Groups using Active Directory Server as a LDAP User Registry.
- Worked with IBM Support and development teams in resolving issues related to application memory leaks, analyzing java cores and heap dumps using Thread and Heap analyzer tools.
- Configured continuous integration plans to deploy the code through Bamboo Atlassian.
- Hands-on knowledge in setting up Nodes, Data Sources, Virtual Hosts, configuring Servlet Engines and Session Managers and managing WebSphere Environmental variables for Data Sources and JDBC Driver paths.
- Involved in configuring SSL (https) for webservers, creating Key databases, personal certificates for test environments, generating and installing Third party certificates. Involved in securing the J2EE applications by implementing Single Sign On by using LTPA and Integrity Site Minder.
- Configured GC parameters, monitoring the heap sizes by setting verbose GC, fine tuning and fixing memory issues.
- Worked on Problem tickets (PMR’s) with IBM to find effective solutions to various problems and performance issues.
- Worked closely with developers in deploying ears and wars, configuring necessary database resources (JDBC Providers, data sources), MQ resources (Queue Managers, Queue destinations, Queue Connection Factories (qcf's), Message driven bean listener ports).
- Applied the maintenance fix pack and fixes to JBoss and HTTP servers.
- Involved in Creating Shell Scripts like Automation of Startup and Shutdown Processes and Automated the WAS environment with Jacl and Jython Scripts.
- Performance tuned the WebSphere Environment by configuring caching, queuing, pooling, JVM parameters and Problem determination using Tivoli performance viewer (TPV).
- Involved in Troubleshooting Admin Server start-up issues, Java code defects after deployment, like class path issues and application properties file errors by checking JVM logs and Plugin-logs.
- Involved in Trouble shooting and Performance tuning using Resource analyzer and Log analyzer.
- Provided 24X7 supports to the clients in production support environment.
Environment: IBM WebSphere Application Server, JBoss, IBM MQ Series, IIS 6, NDM Connect Direct 4.0, Netegrity Site Minder5.5/4.5, LDAP SunOne directory Server, J2EE1.3/1.2, Java2.0, JSP1.2, EJB2.0, JDBC2.0, XML, Windows 2000 Advanced Servers, Sun Solaris8/9, Site Scope, WSAD5.0/40, DB2, Oracle 8.1.7/9.0.5, Remedy User, Shell Scripts, wsadmin scripting.
Confidential, Columbus, Ohio
WebSphere / JBoss Administrator
Responsibilities:
- Installed and configured WebSphere Network Deployment Manager 6.x/7.x, used Update Installer to update with fixpacks. Automated the tasks with shell scripts using silent response files.
- Involved in migrating of WebSphere v6.x to 7.x and WebSphere to JBOSS v6. x.
- Responsible for setup, Installation, and Administration of JBOSS Application server.
- Installed and Configured JBoss Application Server.
- Scripted JBOSS install and used ‘rsync’ to spin several environments. This was a process of configuration management.
- Involved in JBOSS slimming process and in JVM tuning, problem determination using thread and heap dumps using tools like JCONSOLE, GCVIEWER.
- Configured JBoss Messaging, which included setting up a data source, configuring access control, defining new destinations and updating applications and MDB.
- Automated configuration, troubleshooting, deployments using JACL and Jython scripts - used AdminConfig, AdminApp, AdminControl and AdminTask.
- Automated Deployments into JBoss Application Servers.
- Expertise in setting up Database and MQ configurations in Tomcat and JBoss.
- Involved in trouble shooting and providing technical assistance for Web Hosting team on various Application and Web Servers including IBM HTTP Server, Apache Web Server, JBOSS and Netscape Enterprise Server.
- Applied Fix Packs for WebSphere Application Server 6.x/7.x and hot fixes to various applications and multiple environments as per the change management system request to overcome the functionality and performance issues.
- Responsible for changing and migrating source code of high profile applications and deployment on WebSphere Application Server.
- Coordinated with IBM support by raising PMRs to resolve problems related to WebSphere Application Server and WebSphere
- Developed WSadmin scripts using Jacl, Jython to automate WebSphere processes including start/stop, creating and configuring servers, JDBC and MQ resources, deploying applications on stand-alone and clustered environments
- Configured global security on WebSphere using IBM Directory Server and secure the admin console.
- Troubleshoot problem-tickets, worked with developers to identify the root cause and resolve the issue or propose a potential work around and successfully resolved LDAP, SiteMinder, WAS, MQ, code, and data issues.
- Implemented authentication and authorization permissions to web resources and Installed SSL certificates on the web servers using IKEYMAN.
- Configured enterprise applications and corrected performance problems by monitoring server availability and resource utilization analysis.
- Lead role in performance testing and tuning the applications performance emphasizing on JVM heap size, CPU utilization, JDBC connection pools, Garbage Collector, Web container threads, Servlets performance, response time alerts and thresholds.
- Problem determination using local error logs and by running user traces and service traces.
- Assisted in several thread and heap dumps analysis using IBM Thread analyzer and IBM Heap Analyzer.
Environment: JBoss v6.x, JON2.4, IBM WebSphere AppServer 6.x/7.x, IBM WebSphere MQSeries, IBM Http Server, Apache, AIX, WSAD, RAD7, LDAP, Heap analyzer, Windows 2000, LDAP, EJB, JDK, J2EE, JNDI.
Confidential, NY
WebSphere Administrator
Responsibilities:
- Installed and configured IBM WebSphere Application Server ND and IHS on Sun Solaris8 and Windows 2003 server in a multi clustered high availability environments.
- Implemented horizontal and vertical scaling of WebSphere in a workload managed cluster to avoid failovers.
- Performed the package, build, integrate and deployment of enterprise J2EE applications on Web Sphere 4.0/5.0 that involved the creation and editing of EAR, JAR, WAR files using AAT.
- Configured WebSphere resources including JDBC providers, JDBC data sources and connection pooling.
- Installed plug-ins and worked on issues related with the App Server and Web Server connectivity.
- Troubleshooting various issues like Heap size, class path, thread pools and port conflicts.
- Log rotation of web and application server logs daily.
- Deployed Enterprise applications on clustered Application Servers through admin console and by using automated scripts on UNIX/Windows environment.
- Created users, groups in LDAP (TDS) and mapped them to the enterprise applications running on WAS.
- Generated web plug-in and configured with web servers by doing manual edits .
- Involved in configuration of WebSphere Application Server resources like JDBC, J2C, JMS and Connection Pooling.
- Integrated Enterprise-wide J2EE applications and deployed using Admin console, automated using wsadmin scripts (JACL & Jython).
- Reviewed Web Server, Application Server Performance Monitoring data using both Wily Introscope and Tivoli Performance Viewer and reviewed historical Tivoli logs for root cause analysis, recurring events and involved in troubleshooting.
- Maintained UNIX Shell Scripts, JACL to automate the WebSphere administration (deploying customer applications, logs rotation, monitor applications state etc...).
- Worked on Problem tickets (PMR’s) with IBM to find effective solutions to various problems and performance issues.
- Well documented all procedures and any other important issues.
- Provided 24/7 on call support on rotation basis.
Environment: WebSphere Application Server ND 6.x, Sun Solaris 8, Windows 2000, DB2UDB 8.0, IBM HTTP Server, XML, Tivoli Directory Server (LDAP), Tivoli Performance Viewer, wsadmin, Jacl.
Confidential
WebSphere Administrator
Responsibilities:
- Setup, Installation and Administration of IBM WebSphere Application Server 6.x and IBM HTTP Server.
- Implemented horizontal and vertical scaling of WebSphere Application Server (WAS) Advanced Edition in a workload managed cluster. This involved modeling and cloning (also called server groups and cloning) services in WAS v5.
- Integrating enterprise-wide J2EE applications and deploying using WebSphere Application Server and Application Assembly Tool.
- Involved in setting up integrated security access to the portal and Single Sign-On to other applications.
- Server plug-ins were generated and deployed in IBM HTTP Server.
- Configuration of Virtual Hosts, Web Applications, Web Resources and JDBC drivers.
- Involved in configuration of WebSphere Application Server resources like JDBC Data Sources, JDBC Providers and Connection Pooling to connect to the DB2.
- Involved in advanced performance monitoring and tuning of both WebSphere and the Solaris operating system.
- Experience with performance monitoring of J2EE applications using products like Tivoli Performance Viewer.
- Troubleshooting and Administration of IBM WebSphere Application Server and IBM HTTP Server.
- Troubleshooting Applications, analyzing logs to diagnose problems.
- Creating PMRs (Problem Management Record) and Coordinating with IBM for problems encountered by Application Teams.
- Involved in Creating and Managing the Nodes, Application Server’s, Cluster’s and Deployed Multiple J2EE Applications.
- Fine-tuning of Application Servers for different load requirements.
- Implemented WebSphere Global Security using LTPA and Netscape LDAP Server.
- Gained experience in implementing LDAP security models. Utilized Resource Analyzer and Log Analyzer for performance tuning and troubleshooting.
- Installed upgrades and fix packs to the runtime environment as required decreasing vulnerability to production environment.
- Applied software maintenance, program fixes and keeping the system software releases current.
- Written Shell Scripts to automate the maintenance process of the WebSphere.
- Written scripts to handle everyday System Administration tasks such as backup procedure, system cleanup, everyday system tasks, etc.
Environment: IBM WebSphere Application Server 6.x, Apache, IBM HTTP Server, Oracle, Solaris, UNIX, Windows 2000, DB2, LDAP, wsadmin, Jacl, shell, Virtual User Generator, Tivoli Directory Server (LDAP), Tivoli Performance Viewer.