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Sr. Websphere Administrator Resume

Chicago, IL

SUMMARY:

  • 7 years of experience in Installation, Administration, Production Support, Migration and Implementation of Web based applications on Confidential WebSphere Portal Server 5.x/6.0/6.1/8.x, WebSphere Application Server 3.5/4.0.x/5.x/6.0.x/6.1/7.x/8.x/8.5.5.x, Confidential WebSphere MQ 7.x/8.x, BEA WebLogic /8.x9.x/10.x on AIX 4.3/5.2/5.3/7.1, RHEL Linux 4.x/5.x/6.x, SUSE Linux 8.x/9.x/10.x, Sun Solaris 9 and Windows 2000/2003/2008 Environments.
  • Experience in Integrating Confidential HTTP Server (1.3.x/2.0.x/6.0/6.1/7.x/8/x/8.5.5.x), Apache (1.3.x/2.0.x), sunone 6.1 and IIS (5.x/6.x) with WebSphere AppServer and BEA WebLogic server on local and remote machines.
  • Experience in setting up SOA Architecture.
  • Sound Knowledge and implementations of WLM using cloning and clustering techniques including Horizontal and Vertical Scaling for failover and High Availability.
  • Experience in deployment of portal resources such as portlets and portlet applications, pages/labels, access permissions for authorization, credential vaults, Url Mappings using Portal Admin GUI and XMLAccess.
  • Expertise in configuring portal databases and LDAP registry for user authentication and securing portal resources.
  • Implemented various portal database domains for high availability across Production and DR environment in Portal 8.x.
  • Experience in configuring and working on External Security Manager such as Siteminder and TAM for external authentication & Configured Portal with external search engines.
  • Knowledge of installation and configuration of Confidential Web Content Management 5.x/6.x/8.x using authoring and rendering techniques and have experience installing it in a clustered environment.
  • Installed, Configured and testing of MQ with WebSphere, Involved In developing backup and recovery procedure Defined and maintained Queue Managers and MQ Objects on UNIX, Windows platforms.
  • Experience working with MQ Queue Managers and its objects using MQ Explorer and MQSC Commands. Experience defining and managing Full Repository Queue Manager Clusters.
  • Experience in installing Java 2 Enterprise Edition (J2EE) applications using Confidential WebSphere Application Server 8.5.x.x. 8.5/8.1/6.1/6.0/5.0. x/4.0.x/3.5.x and WebLogic server with wsadmin scripts using jacl and jython.
  • Hands on experience with WebLogic Server tools which includes a browser - based Administration console and the WebLogic scripting Tool (WLST), a scripting language for automation of WebLogic system administration tasks based on Jython, the Configuation wizard and command line utilities .
  • Proficiently worked with .ServerProfile and userenv.sh to manage WebLogic servers.
  • Expertise in developing UNIX shell scripts, Jython scripts that automate the WebSphere Administration (recycling the application server, deploying customer applications, logs rotation, monitor applications state, etc).
  • Experience in setting up WebSphere resources, Virtual Hosts, JVM parameters, variables, shared libraries etc.
  • Experienced in performance tuning using Tivoli Performance Viewer and various other monitoring tools.
  • Experience in problem tracing, log management, scripting to invocate problem-determination actions involving traces, Thread & Heap dumps.
  • Excellent client relation skills and the drive to complete tasks effectively and efficiently where customer services and technical skills are demanded as well as the ability to communicate effectively with all levels of management and the client community.

TECHNICAL SKILLS:

Software: WebSphere Application Server 4.0/5.0/5.1/6.0/6.1/ 7.0/8.0/8.5/8.5.5.1, Confidential Http Server 1.3/2.0/6.0, 7.0/8.0/8.5/8.5.5.1 Iplanet Sun One Web Server 6.0/6.1, WebLogic 8.1/9.2, JBOSS 4.2, Tivoli Access Manager 6.0, Sun One Directory Server 5.1, WebSphere MQ 5.3/6.0/7.x/8.0.

Operating Systems: Windows XP/NT/2000/9x, Sun Solaris Sparc 5.8/5.9/5.10/10, Linux, AIX 5.1/5.2/5.3/7.1.

Programming: Java, J2EE, C++, C, SQL, PL/SQL .

Databases: Oracle (8i/9i), DB2 UDB/Client 7.1/8.1/8.2/9.0, Microsoft Access, SQL Server.

Scripting: HTML, XML, Java Script, UNIX Shell Scripting. Python

Documentation Package: MS Office (Word, power point presentations, Excel Graphs)

J2EE Technologies: Java 1.3.x, 1.4.x, J2EE - Java Beans, Servlets, EJB, RMI, JSP, Applets, JNDI, RMI, IIOP, Java Mail API, JDBC/ODBC, SOAP

Other Tools: Admin tool, SMC, Tivoli Performance Viewer, Wily Introscope, Log Analyzer, Resource Analyzer, Microsoft VSS, Secure CRT, Humming Bird (Exceed), SQL Loader, Bladelogic Automation Suite

Networking: TCP/IP, SNA, DNS, LAN, WAN, DHCP, SMTP, HTTP, SSH, SunOne LDAP, Active Directory

PROFESSIONAL EXPERIENCE:

Sr. WebSphere Administrator

Confidential, Chicago, IL

Responsibilities:

  • Installed WAS and IHS 8.0, 8.5.5.x on RHEL for both lower and prod events.
  • Hands-on experience in a clustered environment including deployments, troubleshooting performance issues and especially performance test monitoring, installations, and configuration maintenance
  • Expertise in configuring Cells, Nodes, clustering, JDBC Providers, Data Sources, Virtual Hosts, session management
  • Successful implementation of Workload Management (WLM) using cloning/clustering techniques including horizontal and vertical clustering for fail over processes/DR
  • Worked with the firewall team to finding glitches and getting access across firewalls
  • Worked with Network team to configure Load Balancing across different nodes and troubleshoot issues.
  • Experience in Creating Heap dumps and Core dumps and analyze those dumps using Heap Analyzer.
  • Responsible for updating refresh packs, fix packs and interim fix packs to WebSphere using IIM.
  • 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 in using Confidential Thread Analyzer to detect JVM thread related issues. Used Tivoli Performance Viewer and Log Analyzer for performance and troubleshooting
  • Created users and groups in LDAP Servers and mapped them to the enterprise applications running on WebSphere Application Server.
  • Enable the global security to secure WebSphere applications and configured Single Sign On -Provided support in a demanding 24/7 on-call support for applications running in production on WebSphere Application servers through VPN connection.
  • Involved in supporting load testing during various testing phases for performance tuning the environment
  • Worked with Confidential in opening a PMR for inconclusive root causes, and coordinating the proposed changes with the respective teams. -Troubleshot Admin Server start-up issues, Java code defects after deployment, and class path issues by checking the JVM logs, plug-in logs and the Web server logs.
  • Created and maintained technical documentation for the Confidential WebSphere environment, including network diagrams, installation and configuration procedures, troubleshooting guidelines, and operational procedures.
  • Managing and implementing SSL certificate for WAS 8.0/8.5.x.x
  • Built environments Using BMC - Bladelogic Automation tool, monitored environment using Wily introscope.
  • Developed UNIX shell scripts, that automate the WebSphere Administration (recycling the application server, deploying customer applications, logs rotation, monitor applications state).
  • Installation of EJB modules and web modules on WebSphere Application Server.
  • Performed routine management of WebSphere Environment like monitoring Disk Space, CPU Utilization
  • Installed J2EE applications using Confidential WebSphere application server and wsadmin jython and jacl scripts.

Sr. WebSphere Administrator

Confidential, Columbus, Ohio

Responsibilities:

  • Design, build, configuration & maintenance of WebSphere Application Server v8.0/8.5.5.x; Migration of applications from WebSphere Application Server 7.0/6.1 8.0 on AIX & Solaris Systems.
  • Cloning, Clustering, Performance Tuning and troubleshooting of WebSphere 7.x and 8.x
  • Installed upgrades and fix packs to the runtime environment as required to decrease vulnerability to production environment
  • Configure & maintain Apache based web servers ( Confidential Http Server); supported the efforts to consolidate HTTP Server Environment.
  • Supporting all the application migration activities in development, QA & production environments (in multi-tier and/or clustered configurations).
  • Installation, management & operational support of WebSphere Portal v8.1 Environment. Creating pages, Portlets, Pages, URL mappings, Labels, Virtual portals using Portal GUI.
  • Configuration of WebSphere with MQ; created the MQ objects like Queue Managers, Queues, Channels, Queue Connection Factories.
  • Team Player, lead and/or participate in evaluation efforts of technology products such as pilots & proof-of-concept; Provide well-written documentations, being part of the 24*7 on-call production rotation.
  • Performing application releases, change & incident management activities using CA Service Desk Manager.

Sr. WebSphere Administrator

Confidential, Chicago, IL

Responsibilities:

  • Support and Administration of WebSphere Application Server 6.0/6.1/7.0)
  • Responsibilities included lifecycle management deployment and administration of J2EE applications within a clustered Websphere Application and Portal Server environment.
  • Worked on several home grown and vendor applications from the infrastructure perspective.
  • Participate and provide input in Infrastructure Design Review.
  • Involved in capacity planning and tech sizing requirements.
  • Provide subject matter expertise to application development teams to how to utilize WAS services.
  • Worked with different technology groups like architecture, network, database, open systems to establish the infrastructure.
  • Install the WAS software and Create the necessary environments required by the system development life cycle.
  • Configure all environments to each application's specific requirements (such as JDBC, JMS, web services, High Availability, Session Management, Security, Service Integration Bus, etc.
  • Create and Modify Websphere Cell domains required to implement the different logical environments in the system development life cycle (dev, test, stage, prod).
  • Create and Configure application instances within each of the domains as required.
  • Configure Security as required (SSL, single sign-on, administrative, application, etc).
  • Proactively performances tune each environment as well as reactively troubleshoot problems that occur.
  • Provide development support to the application development teams
  • Participate in load and performance test
  • Analyze load test results, optimize and tune infrastructure components
  • Create technical recovery and operation support documents.
  • Maintain the environment by setting up automated start up and shutdown scripts, implement automated monitoring and alerting mechanisms.
  • Deploy applications to the Application server as well as define and set up automated application deployment mechanisms.
  • Research and troubleshoot problems related to the Application server software, the applications that run on them as well as the external systems that they interact with.
  • Communicate regularly and effectively with other team members, clients (application developers) and vendors (other technology teams). Creating regular status reports is one form of communication used.
  • Performance tuned WebSphere portal and application server using Tivoli performance viewer and Wily Introscope.

Sr. WebSphere Administrator

Confidential, Boulder, CO

Responsibilities:

  • Installation, Configuration and Administration of Confidential WebSphere Application Server 6.x/7.x on Windows NT/2000/2003,AIX, Linux, HP-UX and Solaris.
  • Installed and configured WebLogic 10.x Servers, Domains, Clusters on UNIX, and wrote shell scripts for automation of WebLogic startup, and for log maintenance.
  • Responsible for planning and upgrade of Confidential version from 4.0 to 4.1, bringing it in compliance with the business users.
  • Responsible for scheduling installations and upgrades (Fix packs and Cumulative fix packs), and maintain them in accordance with established policies and procedures as per the Confidential specification.
  • Integrated Confidential HTTP Server, Apache web server with WebSphere Application server on AIX, Solaris and Windows platforms and created Web server Definition in WAS V6.x/7.x admin console.
  • Performed Migration tasks such as reconstructing the environment of WebSphere Application Server 6.x to a nearly Identical WebSphere Application Server 7.0 environment, including, but not limited to, applications and Configuration settings.
  • Migrated WebSphere Application Server 6.1 on Solaris to WebSphere Application server V7.0 on Linux.
  • Proficient with open deploy and control hub to deploy applications.
  • Configured Node manager for administration of Managed servers for Weblogic Server.
  • Experienced in configuring Data Sources, Virtual Hosts, JMS, MDBs, Global Security and tuning in Confidential WebSphere 6.x/7.x
  • Configured WebSphere Application server for authentication using LDAP and enabled Siteminder at front end to secure the application URL.
  • Worked with networking team in setting up Load Balancers such as NetScaler, BIG IP(F5) to communicate with Confidential HTTP Server & Apache Webservers.
  • Installed and configured Access Manager Agent to provide Authentication and Authorization along with hand on experience in configuring AMAgent.property file to change webagent behaviour.
  • Troubleshooting on issues such as out of memory, memory leaks, hung sessions and session replication, federation of nodes and synchronization of nodes with NDM.
  • Created Confidential 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 (FFDC) logs and Collector Tool.
  • Proficient with Maximo and ITSM tools to create, assign and close production and non- production tickets.
  • Worked closely with business, product management, and project management to ensure that application and technical architecture meets project objectives and standards.
  • Provided 24/7 support for Production Issues.

Sr. WebSphere Administrator

Confidential, Chicago, IL

Responsibilities:

  • Responsible for setup, installation and ongoing development for WebSphere Application Server 6.1/7.0 in large scale environments running on SuseLinux 9.x/10.x.
  • Configuration for WebSphere resources and troubleshooting. Administration of WebSphere Admin Server and Confidential HTTP Server.
  • BEA WebLogic 9.x software installation, patch maintenance, Administration, deployment, monitoring & tuning on Suse Linux 9.x platform.
  • Helped in Migrating code running on BEA WebLogic 8.x to Confidential WebSphere Application Server 6.x/7.x.
  • Migrated WebLogic 8.2 on Solaris to Weblogic 10.1 on Linux
  • Worked on Mexico migration of complete WebSphere application server from v5.1/v6.1 for the trading domain.
  • Worked on various Integration/Merger Projects between Confidential and Merrill lynch.
  • Deployed Java/j2ee applications on WebSphere Application Server and BEA WebLogic server.
  • Configuring the application server with different databases.
  • Worked with networking team in setting up Load Balancers such as NetScaler, BIG IP(F5) to communicate with Confidential HTTP Server & Apache webservers.
  • Worked with Confidential to set up SAS 9.2 business intelligence software environment.
  • Troubleshoot hardware and software problems, and interacted with IT staff or vendors in performing complex testing, support and troubleshooting functions
  • Interpreting logs to locate and solve problem using tracing and debugging facilities.
  • Deployed application tuned for performance and workload management.
  • Configured ESB and its components for messaging.
  • Experience setting up WebSphere Application Server to communicate with MQ objects including Queue Managers, Remote/Local Queues, Transmission Queues, Channels and listeners.
  • Installed fix packs to mitigate security related issues.
  • Worked closely with business, product management, and project management to ensure that application and technical architecture meets project objectives and standards.
  • Provided 24/7 support for Production Issues.

WebSphere Administrator/ Architect

Confidential, Westfield, Ohio

Responsibilities:

  • Installed, Configured, and Administered Confidential WebSphere Application Server 6.1.0.7/6.0.2.29 ND and Network deployment 7.0(ND) & WebSphere Portal Server 6.1.x /6.0.1.1 in Sun Solaris, Linux platform.
  • Participated regularly in walkthroughs and review meetings with Project Manager and Development teams.
  • Configured Workload Management using horizontal and vertical clustering in WebSphere Application Server.
  • Installed Confidential HTTP Server 6.0/6.1 and configured with remote plug-in and configured with portal server in cluster environment.
  • Installed fix packs, refresh packs for the WebSphere application server 6.1 to support portal.
  • Migrated the application server from WebSphere v6 to v6.1 using WASpreUpgrade and WASpostUpgarade command line tools.
  • Installed WebSphere MQ Server/Client V6.0 on Linux environment and fix packs.
  • Experience working with MQ Queue Managers and its objects using MQ Explorer and MQSC Commands.
  • Experience in setting up Confidential Workplace Web Content Management 6.0.1.2 with Portal, configuring authoring and rendering servers.
  • Installed, configured and administered and maintained DB2 UDB 9.0 with portal server.
  • Configured Portal Cluster with process server and transferred portal content to backend DB2 database; configured portal Work Load management using Horizontal clustering
  • Configured WebSphere Portal LDAP Security with Confidential Tivoli Directory Server 6.0.
  • Configured WebSphere application server to the DB2 enterprise database using JDBC connection pooling.
  • Configured global security in Confidential WebSphere application server using LDAP using Confidential Tivoli Directory Server, custom and local repositories.
  • And Security using LDAP user registry in Confidential WebSphere Portal 6.1.
  • Well Versed with WebLogic Security Service which uses deployment descriptors (weblogic.xml and weblogic-ejb-jar.xml) to grant security roles and define security policies for Web applications and EJBs.
  • Deployed the EAR, WAR files and scripted automated deployment of the applications including JDBC Data source configuration using scripts jacl and jython.
  • Installed and activated porlets and migrated the contents from one environment to other using xmlaccess scripts.
  • Administered and Managed Pages, portlets, layouts and contents and managed access, users and groups in portal server.
  • Deployed themes and skins, portlet resources in a clustered environment.
  • Created virtual hosts one per each site and configured host aliases. Bind the Virtual IP’s to Physical IP’s for all SSL sites to balance the load between web servers in round robin fashion.
  • Troubleshoot and resolving complex issues involving WebSphere Application Server WAS for Windows configurations
  • Performed heap dumps and thread dumps and analyzed using heap and thread analyzers to find out the bottleneck of the application server hung and out of memory exceptions.
  • Performance tuned WebSphere portal and application server using Tivoli performance viewer and Wily Introscope.

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