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Sr. System Engineer/websphere/middleware Admin Resume

Minneapolis, MN

SUMMARY

  • Over 8 years of extensive experience in Installing, Migrating, Configuring, Patching, Tuning, Troubleshooting, Monitoring, Production Support, Maintenance and Integrating IBM WebSphere Application Server(WAS), WebLogic Server, MQ, BPM, IIB, JBOSS and Middleware products on Windows, AWS, Linux, Unix.
  • Experience in designing and administering highly available clustered environments for WMQ series.
  • Extensive experience in deployment of applications on Web Sphere Application Servers, MQ and MB, WebLogic SOA architecture, OSB and OEM.
  • Experienced in creating Clustered Environments on (Single and Multi Box) using different application server for vertical and horizontal clustering.
  • Developed a flexible infrastructure that can meet dynamic workloads.
  • Excellent working knowledge in using multiple domains wif machines, node managers, managedservers and clustered environments in WebLogic/JBoss/WebSphere application servers.
  • Experienced in Workload Management (WLM), WSADMIN scripting JACL JYTHON and troubleshooting the middleware product related issues on different UNIX flavors (Solaris, AIX, and Linux)
  • Experience in installing patches and fixes for WebLogic Server.
  • Experience in working wif logs, traces and messages using tools such as Log Analyzer, Resource Analyzer and Admin Console.
  • Experience in configuring and administering Connection pools for JDBC connections, expertise in deployment and administration of WebLogic on Solaris, Linux.
  • Experience in Deployed enterprise J2EE applications on Web Server that involves EAR, WAR, JAR using scripts and manually deployed enterprise java applications on server.
  • Configured Web sphereplug - in for IBM HTTP Server, IIS and Sun ONE web server and managing the plug-in files on web servers.
  • Responsible for integrating BPM and BEA AquaLogic ESB in a web sphere clustered environment.
  • Deployed applications on multiple Web Servers and maintained Load balancing, high availability and Failover functionality.
  • Knowledge of all phases of Software Development Life Cycle wif good designing, coding, testing, debugging, and troubleshooting skills.
  • Involved in Support and administration of COTS Applications, CGI AMS Advantage, Curam, and SAP Business Objects
  • Successful implementations of Workload Management (WLM) using cloning and clustering techniques including horizontal and vertical clustering for achieving High- availability, scalability and failover.
  • Managing and Monitoring the JVM performance,Heap Size, garbage collection, JDBC Pools, and taking Thread dumps, and analyzing to find the problems in application.
  • Experience in Performance tuning each environment by using Tivoli Performance Viewer, Resource Analyzer and troubleshooting using Log Analyzer.
  • Installed, configured and managed the LDAP servers which act as Authentication server for UNIX environment.
  • Troubleshooting Production issues, Worked on resolving Application Server Hang issues and High memory and CPU issues.
  • Experience in operational 24x7 supports, best practice troubleshooting, monitoring, capacity planning and maintenance.

TECHNICAL SKILLS

Technical Expertise Application Servers: IBM WebSphere Application Server, WebSphere Commerce server, BPM, Oracle WebLogic Server, MB/MQ 7.x, 8.x, Red-Hat JBOSS, Weblogic11g/12c.

Message Queue: IBM Web Sphere MQ & IBM Web Sphere MB, SOAP, REST.

Web Servers: IBM HTTP Server IIS, Apache HTTP Server.

Operating Systems: AIX, Linux, Windows NT/2000.

Databases: DB2/Oracle/SQL Server.

Monitoring Tools: Tivoli Performance Viewer, App Dynamics, CA willy introscope, Thread Analyzer, Log Analyzer, Garbage Collector Tool, Heap Analyzer, FFDC Tool, Memory Dump Diagnostic Tool, IBM Tivoli Monitor.

ESM/LDAP: Tivoli Access Manager, Tivoli Identity Manager (POC), CA SiteMinder, SecureWay, Active Directory.

PROFESSIONAL EXPERIENCE

Confidential, Minneapolis, MN

Sr. System Engineer/WebSphere/Middleware admin

Responsibilities:

  • Responsible for Installing, configuring and supporting WebSphere application server, MQ, WebLogic server 12c, JBoss, IIB, IBM MQ on UNIX, LINUX, AWS and Windows.
  • Created and monitored multiple domains wif multiple manage servers, machines, node manager and cluster environment.
  • Configured and created JMS servers wif various JMS Modules like Queues, Topics, Connection Factories, Distributed Queues and Distributed topics.
  • Performed Resource Analyzer/ Tivoli Performance Viewer to monitor WebApplications and tuned the environment accordingly by changing the JVM Heap, Connection Pool sizes.
  • Configured web services security by setting up policy sets, client bindings, trust anchors etc and mapped policies to the applications.
  • Utilized skills in shell, WSadmin and WAS scripting to automate deploying, updating applications, migrating data and automating batch jobs.
  • Created various requests for all Administrative tasks like web Sphere MQ Queue Connection Factories, Queue Destinations, Listener ports, Resource Adaptors, URL Providers for WAS Group.
  • Developed scripts for accessing remote Admin Servers, cleaning up logs during back-ups.
  • Accomplished Work Load Management by creating Clusters.
  • Participated in Disaster Recovery testing annual exercise for Middleware Supported environments.
  • Responsible for deploying enterprise applications from Admin console and enabling security using LTPA and LDAP for WebSphere Application Server.
  • Supported Application Server clustering, load balance and failover.
  • Experienced wif Middleware operations and supporting infrastructure, such as databases, networking, UNIX, Linux and NT servers, network management, security, and monitoring.
  • Managed and monitored server instances and automation using WLST.
  • Worked on Horizontal and Vertical clustering methods providing fail over, TEMPeffective load balance scenarios and efficient utilization of system resource.
  • Problem determination using local error logs and by running user traces and service traces.
  • Involved in tuning the heap size parameters and JVM's Garbage collector for WAS.
  • End-to-end design, setup, integration and maintenance of cloud pipeline from source-control to production using Jenkins, Dockers.
  • Work wif vendors to support and implement COTS based solutions as well as developers to implement and integrate custom in house java applications, web services and MQ based solutions.
  • Troubleshoot problem-tickets, worked wif developers to identify the root cause and resolve the issue or propose a potential work around and successfully resolved LDAP, Site Minder, WAS, MQ, code, and data issues.
  • Configured SSL Certificates for IBM Http Server using Ikeyman utility provided wif the Http Server.
  • Worked on Service Now ticketing system for working on ticket or task assigned to Middleware team.
  • On call 24/7 for production support related issues for WebSphere application server.

Environment: IBM WebSphere application 8.0/8.5, WebSphere Commerce server, WebLogic server 11g/12c, JBoss, IIB, LifeRay, COTS, IBM Tivoli Directory Server 7.x, IBM MQ, JBOSS 7.0, Jenkins, Puppet, ServiceNow, Data Power, UDeploy, Apache Tomcat, Solr, TAM, phyton, Unix Scripting, Perl, Redhat, Splunk, ITCAM AD 7.1, ITCAM SOA 7.2, IBM Support Workbench.

Confidential, Washington D.C

Sr. System Engineer

Responsibilities:

  • Installed EAR, WAR files and configured application specific JVM settings, Web container parameters using the Admin Console and WSADMIN scripts.
  • Used IBM Analyzer tools to monitor J2EE Applications and tuned the environment accordingly like changing the JVM Heap, Connection Pool sizes and end-user transactions.
  • Installed and configured WebSphere Application Server, Apache for development, test and production environments on UNIX and Windows platforms.
  • Created profiles and federated to the Deployment manger wifin the Cell in WebSphere.
  • Installed HTTP Server and configured remote local & Plug-in for application servers.
  • Worked wif developers to define and configured application Servers, Virtual Hosts, Web Applications, JDBC drivers, Data Sources, JMS resources as well as deployment of EARs across multiple Clusters of Application Servers.
  • Involved in Work Load Management by creating Horizontal and Vertical Clusters in WebSphere application server..
  • Installed WebSphere MQ and configured WebSphere MQ objects including Queue Managers, Listeners, Channels and Queues (local, remote and alias)
  • Integrated WebSphere applications wif MQ series using WebSphere JMS.
  • Implemented Horizontal and Vertical Clustering, Performance tuning and trouble shooting of IBM WebSphere Application Server.
  • Generated Self Signed Certificates/personal certificates and installed CA signed SSL certificates.
  • Enabled the Global Security/SSL to the AppServers/WebServers for establishing the secure connection to the internal & external users using LDAP.
  • Installed and configured the Introscope Wily for monitoring the health of the applications.
  • Installed WebSphere updates including fixpacks and interim fixes for application servers, webservers and MQ servers.
  • Used JACL scripts and shell scripts to automate the deployments and configuration of WebSphere.
  • Involved in Disaster recovery process of web and application servers.
  • Involved in troubleshooting Several Application Issues & Worked wif IBM on PMR's as required
  • Provided on call 24x7 supports by shift rotation basis.

Environment: WebSphere Application Server v6.1/7.0/8.5, WebSphere Proxy Server v7.0, WebSphere MQ v6.0, IBM HTTP Server v6.1/7.0, Apache 2.0, AIX 5.3, Sun Solaris v9/10, Windows 2008 Server, SiteMinder, Oracle v9i/10g, Jacl, Jython, & Shell Script, Heap and Thread Analyzers, Introscope Wily, LDAP.

Confidential, Durham, NC

Sr. System Engineer/WebSphere/Middleware Admin

Responsibilities:

  • Installed and Configured IBM WebSphere Application Server, MQ, WebLogic Server, JBoss on AWS/LINUX/Windows.
  • Hands on experience wif configuration, administration and troubleshooting of different process flows.
  • Designed and implemented a planning infrastructure for BPM.
  • Installed App Dynamics to monitor application server memory utilization, CPU usage, end to end flow of all business transactions, database call, web service calls, JMS calls.
  • Created theClustering Topologyin Web Sphere Application Server ND to achieveWork Load Management (WLM), High availability, Load Balancing and Hardware fail over.
  • InstalledEARs, WARsand configured application specificJVM settings,Web containerparameters using the Admin Console and WSADMIN.
  • Deployment and troubleshooting of JAR, WAR and EARfiles in clustered environment.
  • Experience in installing IBM HTTP Server on different nodes and configured them by generating the plug-in from Deployment Manager Console.
  • End-to-end design, setup, integration and maintenance of cloud pipeline from source-control to production using Jenkins, Dockers.
  • Troubleshoot Admin Server start-up issues, Java code defects after deployment, and class path issues by checking theJVM logs, plug-in logs and theWebServer logs
  • Involved in troubleshooting wif IBMHeap Analyzer and IBMThread Dump Analyzerto improve performance.
  • Supported applications throughout the SDLC cycle wif deployments, troubleshooting and releases.
  • Involved in configuring web-server interfaces (plugin file), session management, virtual hosts, data sources, HTTP transports for application server instances.
  • Responsible for fixpack upgrade for different websphere application server projects that included additional cots projects such as websphere transactions, and websphere process server.
  • Extensive experience in deployment of J2EE applications on Web SphereApplication Servers ofMQ and creating Queue Managers, Queues, channels and configured Listener ports in Distributed environment setup in different regions like Development, QA, Pre-production and Production.
  • Configured IBM LDAPdirectory access protocol for different levels of user access.
  • ImplementedHorizontal and Vertical Clustering, Performance tuning and trouble shooting of IBM WebSphere Application Server.
  • Involved in architectural decisions making for integrity of the software between various cots products and application servers along its versioning control activities.
  • Involved in troubleshooting problem-tickets, worked wif developers to identify the root cause and resolve the issue or propose a potential work around.
  • Involved in issues like Application not responding Application Deployment Errors, Wrong Database host name, Server Hung due to out of memory or thread hanging.
  • Applied fix packs to Web Sphere Application Server and Portal Server and provided 24x7 support for any issues.

Environment: Oracle WebLogic Server 11g, IBM WebSphere application server 8, BPM 8, MQ, COTS, JBoss, IBM WebSphere Application server ND 7.x/8.x, IBM HTTP Server 7.x/8.x, SOAP, Apache Tomcat, Solr, IBM Tivoli Directory Server 7.x, Apache 2.0.47, IHS 6.0/6.1, Dockers, Tivoli Access Manager and Apache Tomcat HTTP Server, Apache Web Server and IIS.

Confidential

WebSphere/WebLogic Admin

Responsibilities:

  • Responsible for installation, administration, development and implementation of web application using WebSphere Application Server, WebLogic, JBoss, BPM, MQ environments.
  • Responsible for installing third party software necessary to test the product such as IBM Http Server and Apache Web Server.
  • Created profiles using Profile Management Tool Wizard and silent profile creation (through response files).
  • Installed Upgrade Service Packs for migration of applications to WebSphere Application Server.
  • Updated Latest Fix-pack for WAS in UNIX and windows platforms.
  • Deployed large web-based transaction systems in Web Sphere Application Server.
  • Deployed java applications on Apache Tomcat 6.x in a clustering environment.
  • Responsible for general WAS admintasks like stop and start of Application Servers.
  • Experience in resolving Channel issues and Cluster issues by the diagnosing the problem from various logs i.e. MQ error logs, JMS logs and trace files.
  • Generated and created SSL keys and certificates and configured Apache tomcat server to use the SSL communications.
  • Developed logical security application architecture integrating WAS,MQ, Sun ONE Web Server, iPlanet LDAP Directory Server, Netegrity Site minder and implemented Single Sign-On security.
  • Implemented the Clustering Topology that meets high availability and Failover requirement for performance and functionality.
  • Used Resource Analyzer to measure the performance and efficiency of the application resources and runtime resources.
  • Coordination wif the development and operations staff to ensure a smooth transition of web sites from development, staging and production.
  • Configured Security for WebSphere Portal environment using LDAP registry IBM Directory Server.
  • Managed the Security and Performance optimizations for EJB containers and web applications in IBM HTTP Server and Apache Web Server and IIS.
  • Involved in configuring and enabling the global security for Web Sphere ND for console users and console groups using Active Directory Server as a LDAP User Registry.
  • Involved in server log and domain log monitoring and application deployment of WebSphere Application server.
  • Knowledge on full SDLC starting from requirement collection, design, development, testing, delivery and support.
  • Involved in building, configuring and setting up Testing and Production Environments and tested and supported the project according to business rules and specifications.
  • Installed webgate on web server and Oracle Developer Framer for supporting Oracle Access manager.
  • Installed SSL certificates on the web servers.
  • Experience in Troubleshooting using log files, traces, and error corrections using Log analyzer and Used Tivoli Performance Monitoring tool to monitor application resources (Enterprise beans, servlets) and WAS runtime resources (JVM memory, application server thread pools, database connection pool).
  • Developed scripts to handle everyday System Administration tasks such as backup procedure, system cleanup, everyday system tasks, etc.

Environment: WebSphere Application Server 6x/7.0, BPM 8.5, WebSphere Portal server, WebLogic, JBoss IBM HTTP Server, IIB, SunOne/IPlanet, Phyton, Oracle 10g, Sun One Web Server, Tivoli Performance Viewer, Log Analyzer, Thread Analyzer, Heap Analyzer.

Confidential

Jr. WebLogic Administrator

Responsibilities:

  • Installation, Configuration and Administration of WebLogic Server on UNIX and windows platforms.
  • Trouble shoot Server Hang, Deadlock, application level lock, database level lock by taking thread dump and analyze to get the root cause for the hang.
  • Performed Weblogic server administration tasks like configuring Managed servers and setup cluster environment.
  • Experience in installing IBM HTTP Server on different nodes and configured them by generating the plug-in from Deployment Manager Console.
  • Deployed J2EE Application archives (WAR, JAR, EAR, RAR) in clustered and non-clustered environment on WebLogic application server.
  • Configured LDAP server for WebLogic secure authentication.
  • Configured clustering through deployment manager for Load Balancing and Failover functions in
  • Troubleshoot Admin Server start-up issues, Java code defects after deployment, and class path issues by checking the JVM logs, plug-in logs and the Webserver logs.
  • Deployed applications on multiple Weblogic Server instances and work wif Load Balancing, high availability and fail over for the servers
  • Analyzing java cores and heap dumps wif thread and heap analyzer.
  • Provided technical supports for non-production applications.
  • Developed WLST scripts to monitor JDBC connection Pool Status, JVM Heap Size, and JMS messages in the destination queues in the production environment.
  • Enabling Global security Confidential the Application Server level and monitoring Operating System level security for WebSphere Application Server.
  • Provided 24x7 on call support in all environments.

Environment: Oracle WebLogic Server, IBM Http Server v6.1, CA Wily Introscope 8.x, Apache Webserver, Sun One oracle Directory Server, SOLARIS, AIX 6.1, Java, XML, JDBC, Oracle 10g, Tivoli Performance Viewer Anthill, Shell, Jython Scripting and wsadmin.

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