Websphere Administrator Resume
Cincinnati, OH
SUMMARY
- 7 years in - depth experience in installation, migration, configuration, administration and troubleshooting of IBM WebSphere Application Server V4.0/5.x/6.x/7.0 with strong knowledge and experience of operating systems including Windows, IBM AIX 4.0/5.x/6.x, Linux Red Hat 4.x/5.x, Sun Solaris, HP-UX, and Zlinux.
- Experience in Setting up of Nodes, Data Sources, Virtual Hosts, configuring Servlet Engines, Session Managers including planning installation and configuration of WebSphere Application Servers.
- Experience in using WebSphere Portal Server, WebSphere Process Server and WebSphere Business Integration Server and WebSphere MQ 5.x/6.x
- Experienced in webserver administration, which includes installation configuration, upgrading tuning, security & troubleshooting of IBM HTTP Server (IHS), Netscape Enterprise Server, Sun ONE, IIS, Apache, Tomcat and their integration with WebSphere Application Server.
- Expertise in Configuring JDBC Providers, Data Source, JMS, Virtual Hosting, Global Security, SSL, LDAP.
- Successful implementations of Workload Management (WLM) using cloning and clustering techniques including Horizontal and Vertical Clustering for failover and backup/recovery processes.
- Excellent working knowledge in implementing LDAP security models using SunOne LDAP and IBM Tivoli Directory Server.
- Used GC Collector and analyzed verbose GC logs to monitor and assess the JVM heap usage.
- Experience in troubleshooting, applying patches and plug-ins for WebSphere Application Server 4.x/5.x/6.
- Troubleshoot and debug any errors occurring in application server environment, application debugging, heap analysis and error doc gathering required (i.e. Thread dump, heap dump). Analyze and tune Web, App server configurations
- Experience in JSP, Servelets, EJB, JNDI, JMS, Java Beans, RMI,, Java2.0, XML, HTML, SQL.
- Proficient in performance tuning and monitoring using various tools like Wily Introscope, and Tivoli Performance Viewer, configuring Wily Introscope Manager, in order to monitor WAS
- Experienced in Configuring F5 BigIP Load Balancers for continuous application availability.
- Familiarity with developer tools like Rational Application Developer 7.5, WebSphere Integration Developer 6.2 and WebSphere Business Modeler 6.x/7.
- Experienced on ON-Demand Routers, Dynamic Clusters, Cache JVMs, Session Management for WXD v6.1
- Fair experience on Capacity Planning for the WebSphere Runtime, Performance and AIX Environments
- Experienced with installing refresh packs and fix packs for components such as Web Servers, Application Servers, Plug-Ins and Update Installer.
- Extensive Hands on experience with UNIX and LINUX Administration, Commands and proficiency in Shell Scripting, writing CRONTABs for performing tasks regularly, recursively and performing backup and recovery tasks.
- Good Experience In IBM Tivoli Monitoring for monitoring Infrastructure health and ITCAM for WebSphere and MQ for better performance and availability of applications
- Proficiency in writing JACL, Jython Scripts, Pyhton Scripts, PERL Scripts.
- Extensively worked in Load Testing, Stress Testing, and Functional Testing.
TECHNICAL SKILLS
Web/App Servers: IBM WebSphere Application Server 4.0/5.x/6.x/7 Base/Express/ND/XD, WebSphere Portal Server(WPS), BEA WebLogic (8.x/9.x/10.x), IBM Http Server(IHS) 6.1/6.0/2.0.47/2.0.42/1.3.26/1.3.19, IIS, Apache Web Server, Jboss, Tomcat, SunOne, iPlanet, Netegrity SiteMinder.
Operating Systems: Sun Solaris, Linux, zLinux, IBM AIX (4.0/5.x/6.x), Windows XP/NT/2000/9x, MS-DOS, HP Unix
Programming: Java, J2EE, C++, C, Ant, CGI, Lisp, Prolog, SQL/PL SQL, HTML, DHTML, .NET, VB, ASP.
Scripting: JACL, Jython, Python, TCL, WSCP, Shell Script, Perl, AWK, JavaScript, VBScript, CSS.
Databases: UDB/DB2, Sybase, MS SQL Server, Oracle, MS Access
Networking: TCP/IP Protocols, Socket Programming, DNS, LDAP, SAN, NAS, NFS, RMI/IIOP
Frame work: MVC, J2EE Design Patterns, Struts, JSF, Swing Spring, Hibernate.
IDE: Eclipse, WSAD, RAD, NetBeans, Jbuilder, Editplus, Oracle JDeveloper.
SCM Tools: Rational Rose, Rational Clearcase, CVS, Perforce, StarTeam.
PROFESSIONAL EXPERIENCE
Confidential, Cincinnati, OH
WebSphere Administrator
Responsibilities:
- Installation, Configuration and Maintenance of IBM WebSphere Application Server 6.1 ND on AIX 5.3.
- Installation, Configuration and Maintenance of IBM Tivoli Monitoring 6.22.01 on Windows server 2003 and AIX 5.3 to monitor IT infrastructure health, performance and availability.
- Installation, Configuration and Maintenance of IBM Tivoli Composite Application Manager for Application Diagonistics (ITCAM for Websphere ) 7.10 to monitor the health and performance of ondemand applications in various environments.
- Installation, Configuration and Maintenance of IBM Tivoli MQ Monitoring 7.10 to monitor critical application data for MQ and provided real time status on the availability and performance of MQ.
- Involved in documentation of everyday activities and maintaining the doc-library.
- Installed Fixpacks, eFixes, and cumulative fixes to the existing and new environments.
- Installation and Configuration of IBM License Metric Tool (ILMT) 7.2.1 to maintain an up-to-date inventory of IBM software in the infrastructure and measure the PVU values available and utilized,
- Involvement in writing scripts to handle everyday System Administration tasks such as startup, shutdown, backup procedure, system cleanup using Jacl, Jython, shell scripting and CRONJOBS.
- Installation, Configuration and Maintenace of IBM DB2 8.2 and 9.1 .
- Enabled monitoring at various levels for pro-active monitoring of the environments.
- Troubleshoot and debug any errors occurring in application server environment, application debugging, heap analysis and error doc gathering required (i.e. Thread dump, heap dump). Analyze and tune Web, App server configurations
Environment: WebSphere Application Server ND (6.1), IBM Tivoli Montoring (6.22.01), ITCAM for WebSphere, ITCAM for MQ, IBM License Metric Tool (7.2.1), IBM DB2 (8.2/9.1)AIX 5.3 and Windows Server 2003.
Confidential, Cincinnati, OH
WebSphere Administrator
Responsibilities:
- Installation, Configuration and Maintenance of IBM WebSphere Application Server 7.0 ND and 6.x ND on AIX 5.x, carried out migration from WebSphere Application Server 6.x to WebSphere Application Server 7.x
- Analyzing and Troubleshooting installations and configuration of WebSphere Application Server 7.0 and 6.x.
- Involved in Installation and configuration of Websphere Portal, WebSphere MQ and Wily Introscope Installed,
- Configured and maintained Weblogic Server 10.X, 9.2 and 8.1 (SP6) on Solaris 10 (SPARC), Red Hat Linux and Windows XP.
- Deployed JSP, EAR and EJB components on WebSphere Application Server on a daily basis to different environments (DEV, UAT, LOAD, PRE-PROD, PROD).
- Setting up the cluster environment for WebLogic Server integrated with multiple workflows.
- Enabled the Global Security System for WAS Administration for console users & groups using Tivoli Access Manager(TAM) as a LDAP user Registry for Authentication.
- Configuration of supporting connectors (suchas J2C, JDBC, JMS and thread pools).
- Used Wily Introscope 7.0 to monitor the health of various applications.
- Configured DB2 Node and DB catalogs to connect to mainframe DB2 databases via DB2 Connect
- Installed and configured remote WebSphere plug-in for IBM HTTP Server. Manually updated plug-in files for IHS servers located in DMZ.
- Installed WebSphere Integration Developer 6.2, Rational Application Developer 7.5, WebSphere Business Modeler 6.1, and configured with Publishing Server.
- Worked closely with IBM on problem determination, and resolution.
- Developed XML Access scripts and to automate migration and deployment tasks for WebSphere Portal application components such as Portlets, URL Mappings, Page Layouts.
- Provided 24/7 on rotation customer support as both Primary on call and Secondary on call.
- Designed and implemented all Load Balancer Configurations to provide continuous application availability.
- Performed advanced performance monitoring and tuning of both WebSphere using Tivoli Performance Viewer (Resource Analyzer), Symantec I3 (Indepth for J2EE) and Cacti.
- Co-ordinated with release management for overnight system upgrade.
- Took Java thread dumps, monitored GUI Stats, monitored server performance, JVM Usage and reported JVM heap size problems.
- Utilized Log Analyzer for performance tuning and troubleshooting.
- Configured JMS to Integrate WebSphere with WebSphere MQ-Series.
- Wrote Jython Scripts to automate the maintenance process of the WebSphere to handle everyday System Administration tasks such as backup procedure, system cleanup, system tasks.
- Actuate and Tivoli Work load Scheduler Administration was also part of job responsibilities.
Environment: WebSphere Application Server 6.0/6.1/7.x, WebLogic Server 8.1/9.2/10.0 MQ Series, RedHat, UNIX, Windows 2000, DB2 UDB, IBM HTTP Server 1.3, XML, WebSphere Portal Server 5.0, Jboss, LDAP, Tivoli Performance Viewer, RAD 7.5, WebSphere Business Modeler 6.1 (WBM 6.1), Wily Introscope.
Confidential, Queens, NY
WebSphere System Admin
Responsibilities:
- Installed, configured and maintained enterprise applications on IBM WebSphere Application Server v5.1/6x/7x, APACHE TOMCAT in Windows XP/NT/200/2003, Linux, Solaris, z/OS400, Windows/UNIX/AIX Administrator
- Experienced on installation, configuration of IBM WebSphere Application Server v7.0.
- Extensive Knowledge on Enterprise Service Bus ESB, WebSphere MQ, WebSphere Portal.
- Experienced on Web Servers like Apache, iPlanet, IIS, IBM HTTP Server & IBM WebSEAL server.
- Generated & Configured Plug-ins for a number of web servers which involves IHS, IIS, Apache, SunOne Servers
- Troubleshooting WebLogic Application Server connection pooling and connection manager with Oracle 10g.
- Implemented standard backup procedures for both application DB and WebLogic 9.x backup of configuration files.
- Applied Fix packs for all the environments on WebSphere Extended Deployment Manager (WXD)
- Experienced on WebSphere Extended Deployment Manager v6.1.0.5 on AIX, z/OS 390Solaris, RedHat Linux, Unix platforms.
- Experienced on ON-Demand Routers, Cache JVMs, Session Management for WXD v6.1
- Experienced in WebSphere e-commerce Administrator v6x on AIX, Solaris & Unix Platforms
- Expertise in Deployment & Management of E-commerce sites by providing maximum performance, scalability & adaptability.
- Experienced Providing Rich B2B interactions to Clients based on Enterprise level Online-shopping Transactions .
- Deployed WAR, JAR and EAR applications on multiple WebSphere servers and maintained DNS, Load Balancing, High Availability and Failover functionality.
- Provided High level clustering (Horizontal/Vertical) techniques with Round-Robin method, load balancing to all the environments
- Experienced in providing VeriSign Digital SSL certificates for all Java Enterprise Level Applications.
- Configured SunOne Directory Server(LDAP) with WebSphere for system authentication.
- Applications files are also deployed using Blade logic scripts on WebSphere & Web servers
- Configured WebSphere Resources including JMS, JDBC, XDash, Work Managers, Connection pooling and many Resources for WebSphere Environments.
- Provided 24x7 & LEVEL 1/2 Support for the Production Environments.
- Expert on Incident Management & Problem Management techniques.
- Experience in using Garbage Collection, Resource Analyzer, Log Analyzer, Thread Dump Analyzer, Heap Analyzer, JProbe and Application Assembly Tool (AAT) and upgrades are also done.
- Configured and handled Tivoli Performance Viewer, Tivoli Identity Manager, Tivoli Directory Integrator, Tivoli Access Manager and Resource Analyzer for performance and Experienced with troubleshooting.
- IBM Tivoli Composite Application Manager with WebSEAL Server for WebSphere to increase performance in business-critical applications & for fine grained security policies.
Environment: IBM AIX, SUN Solaris, Windows 2000, WebSphere Extended Deployment Manager v6.1, WebSphere Application Server 5.1/6.x, WebLogic 9.x, WebSphere MQ, IBM HTTP Server, RAD 6.0, Apache Web Server, LDAP, Java, J2EE, JSP, Servlets, EJB, XML, JDBC, JavaScript, ORACLE, DB2, HTML, WSCP, JACL scripts, Rational Rose 2000.
Confidential, Dubque IA
WebSphere Administrator
Responsibilities:
- Engineered, installed, configured and maintained WebSphere Application Server environments and WebSphere Commerce Server, with IBM HTTP Servers in tier 1.
- Highly involved in design and planning of the WAS/Commerce environments.
- Setup clustering and implemented high availability and scalable solutions for WAS and Commerce Server.
- Suggested and Implemented configurations for performance tuning of WAS environments.
- Effectively used the Wily Introscope tool for monitoring and for application triaging.
- Successfully Implemented and configured the Sun Access Manager agent for WAS to in corporate the global Access and identity management solution at Safeway. The SUN AM agent was also used to provide SSO and authentication services at different levels for applications.
- Provided support to various other technologies like WebSphere MQ, Control-M and pm4data.
- Acted as L2 and L3 level support and participated in 24x7 periodic on-call support rotations.
- Wrote detailed, effective documentation and transitioned work to various other support and Operations personnel.
- Configured and handled Wily Introscope to proactively detect, triage, pinpoint and diagnose performance problems and advanced monitoring of various web & WebSphere processes.
- Configured WebShere Application Server V5 to use Netegrity SiteMinder V5.5.
- Hands on Experience on Networking Protocols (TCP/IP, UDP, HTTP/HTTPS, RMI/IIOP, SSL, LDAP, ICMP, DNS, FTP, SMTP, SOAP, POP and HTTP)
- Experienced on providing Plan, Document & Test procedures for Disaster Recovery.
- Maintaining proper documentation on issues that I came across & involved in for Dev/QA/Staging/PT/Prod.
- Worked closely with Project manager, development, testing and production team to align project deliverables, dates and report issues/concerns and experience in operational 24x7 support.
Environment: AIX 5.3/6.X, RHEL 4.X, Windows 2003, IBM DB2(UDB), WAS ND 5.X/6.X, IBM HTTP Server 6.X,Apache 2.X,Websphere Commerce Server 6.X, CA Wily Introscope 7.X/8.X, SUN
Confidential, Chicago IL
Websphere Administrator
Responsibilities:
- As WebSphere Administrator, Installed, configured and maintained enterprise applications on IBM WebSphere Application Server 5.1/6.x, APACHE TOMCAT in AIX/WINDOWS Administrator, Linux and UNIX platform
- Experienced in WebSphere e-commerce System Administrator v6x on AIX, Solaris & Unix Platforms
- Expertise in Deployment & Management of E-commerce sites by providing maximum performance, Scalability & adaptability.
- Experienced Providing Rich B2B(business-to-business) interactions to Clients based on Enterprise level Online-shopping Transactions .
- Implemented Clustering, Performance tuning and trouble shooting of IBM WebSphere Application Server 5.1/6.x.
- Deployed enterprise J2EE applications on WebSphere 5.1/6.x that involves EAR, JAR, and WAR files.
- Extensive experience in Application Servers like WebSphere, WebLogic, Jboss and Tomcat.
- Experienced on Upgrading Web Servers like Apache, iPlanet, IIS, IBM HTTP Server.
- Experienced in providing VeriSign Digital SSL certificates for all Java Enterprise Level Applications.
- Involved in configuring the WebSphere load balancing utilizing WebSphere Workload Management (WLM) including horizontal scaling and vertical scaling.
- Provided High level clustering (Horizontal/Vertical) techniques with Round-Robin method, load balancing to all the environments
- Migrated existing applications from WebSphere 5.1 versions to 6.1 are done.
- Configured the Enterprise Service Bus on WebSphere 6.0.
- Provided Level 2 support for production issues.
- Configured and handled Tivoli Performance Viewer, Tivoli Identity Manager, Tivoli Access Manager and Resource Analyzer for performance and Experienced with troubleshooting.
- IBM Tivoli Composite Application Manager with WebSEAL Server for WebSphere to increase performance in business-critical applications & for fine grained security policies.
- Configuring WebSphere resources including JDBC providers, JDBC data sources and connection pooling, deploying Session and Entity EJBs in WebSphere.
- Worked extensively on the implementation of LDAP Server, Netegrity SiteMinder, and Global Security
- Involvement in writing scripts to handle everyday System Administration tasks such as startup, shutdown, backup procedure, system cleanup using ANT, Jacl, Jython, shell scripting and CRONJOBS.
- Configured and handled Wily Introscope to proactively detect, triage, pinpoint and diagnose performance problems and advanced monitoring of various web & WebSphere processes.
Environment: IBM AIX, SUN Solaris, Windows 2000, WebSphere Application Server 5.1/6.x, WebSphere MQ, IBM HTTP Server, Apache Web Server, Netegrity SiteMinder, LDAP, Java, J2EE, JSP, Servlets, EJB, XML, JDBC, JavaScript, DB2, HTML, WSCP, JACL scripts, Rational Rose 2000.
Confidential, Stamford, CT
WebSphere Application Server Administrator
Responsibilities:
- Installed and Configured WebSphere Application Server 5.x on Solaris Platform
- Deployed large web-based transaction systems in WebSphere application Server 5.0
- Responsible for administration, development and implementation of web applications using WebSphere Application Server 5.x
- Worked with various project teams to provide support in performance tuning and issue resolution
- Provided load/stress and architecture validation testing
- Developed WebSphere Application Server 5.0 backup scripts using WSADMIN and JACL
- Installed and configured the iPlanet 5.0 web servers & setup firewall filtering with Squid Proxy server for web caching on Sun Solaris
- Implemented the functional areas for several product groups on Sun Enterprise servers and setup NFS exports for sharing the file systems
- Maintained WebSphere Application Server 5.0 for web applications development and deployment of JSP and EJB components.
- Wrote scripts to handle everyday System Administration tasks such as backup procedure, system cleanup, everyday system tasks, troubleshooting etc.
- Supported 24X7 production systems
- Also maintained the local Apache web server running on a Solaris server
Environment: WebSphere Application Server 5.0, iPlanet 5.0, Oracle 8.x, UML, XML, SQL, Shell Script, Perl, Window NT, UNIX, Solaris.
Confidential
Applications Developer
Responsibilities:
- Involved in Application Analysis and Design Specifications.
- Configured WebSphere resources like JDBC providers, JDBC data sources, connection pooling, and Java Mail sessions.
- Created Applets using Swing components which were used for the internal on-line orders management and logistic modules.
- Developed AWT, Swings, Servlets, JSP files and writing the validations using JavaScript.
- Created the required jar, war and ear files of the application to be deployed on the Tomcat / WebSphere Application Server using ANT.
- Implemented business logic using Entity EJBs and sessions using Stateful Session Beans.
- Developed Entity Beans as Bean Managed Persistence Entity Beans and used JDBC to connect to backend database.
- Used JNI to integrate code written in C++ with JAVA
- Involved in design and development of tables and views in Oracle 8i and was also involved in the Unit/System testing of the application.
Environment: Java, AWT, Swings, Servlets, JDBC, Oracle, Rational Rose, UML, J2EE, EJB, JavaScript, LDAP, CVS, WebSphere 4.0, Tomcat, IBM HTTP Server - DB2, Windows 2K/XP, Solaris.