Sr.websphere Administrator Resume
Camphill, PA
SUMMARY:
- Around 8 years of experience in administrating IBM WebSphere Application Server, WebSphere Portal and Process Server on Windows 2000/NT, Sun Solaris, Linux, AIX.
- Expertise in installation, configuration, clustering and administration of WebSphere Application Servers and WebSphere Portal Servers on Solaris, Linux, AIX, Windows servers operating systems.
- Versatile experience in installation, configuration and maintenance of MQ Series across multiple platforms like AIX, Linux, HP - UX.
- Experienced in installing and maintenance of IIS, Apache and IBM HTTP Server.
- Experienced in creating and maintaining Queue Managers, Queue, Channels, MQ objects.
- Experienced in deploying applications in WAR, JAR and EAR formats on WebSphere, Tomcat, Jboss standalone servers and clusters
- Involved in migration of the WebSphere environment from 3.5/4.0 to 5.0/5.1, 4.0/5.0 to 5.1/6.0/6.1.
- Worked in different stages of implementing the Workload Management using cloning and clustering.
- Experience in deploying J2EE components on WebSphere Application Server 4.x/5.x/6.x.
- Experience in configuring SSL security for the HTTP servers and the plug-in.
- Configuration of Network Deployment 6.x for Centralized Management of Applications
- Involvement in performance monitoring and tuning by using the Tivoli Performance Viewer and Wily Introscope on IBM Web Sphere Application Server 4.x/5.x/6.x.
- Experience in installing and configuring WPS pages and WPS portlets.
- Well experienced in performance tuning, trouble shooting using Resource analyzer, log analyzer.
- Configured global security for WebSphere Application Server using IBM Directory Server as LDAP user registry and configured SSL for ldap communication.
- Expertise in creating CSR requests and implementing mutual SSL between WebServer and WebSphere Application Servers.
- Experience in integrating IIS webserver with WebSphere Application Server by installing WebSphere plugin for IIS and creating IIS WebSites.
- Experience in backup and recovery, working with logs traces and analyzes the problems using Tivoli Performance viewer and/or interact with IBM support to solve the problems by sending IBM Problem Management Records (PMR).
- Experience in applying fix packs and plug-in’s for WebSphere Application Server.
- Extensive experience in providing 24/7 on-call support for applications servers.
- Experienced in defining WebSphere resources such as JDBC providers, data sources, MQ Queue connection factories, Queue destinations and Message driven bean listeners.
- Highly experienced in utilizing Shell, JACL and Jython scripts for administration, maintenance, troubleshooting and for ALL day-to-day activities.
- Hands on experience in developing, deploying, implementing, testing and support of full life cycle implementations of various J2EE/Internet/Intranet and distributed applications
- Proficient in deploying J2EE applications on WebSphere Application Server using deployment tools such as AAT and ANT.
- Excellent communication skills, strong architectural skills, hardworking and a good team player.
SKILL:
Application Servers: IBM WebSphere Application Server 8.0/7.0/6.x/5.x/4.0, WebSphere Portal Server 7.0/6.x, WebSphere Process Server 7.0/6.2, JBOSS 6, Tomcat 7/6, Apache Web Server 2.x/1.3x, IBM HTTP Server 7.x/6.x/2.x/1.3.x, IIS 6.x, iPlanet Directory Server, Netscape Enterprise Server, IBM MQ Series.
Languages and Scripts: Java, J2EE, C, C++, SQL, Pascal, HTML, DHTML, XML, CSS, JACL, Jython, ANT, TCL, WSCP, wsadmin, Shell scripting, Perl, JavaScript.
O.S: UNIX, Linux, OS/390, AS/400, HP-UX (including Service Guard), Solaris (Including Veritas), IBM AIX (6.x/5.x/4.x, HACMP) and Windows NT/2000/XP.
Web Servers: IIS 4.0/5.0/6.0, IBM HTTP Server, Apache HTTP Server, Sun One/ iPlanet Web Server.
Databases: ORACLE 11g/10g/9i/8i, DB2/UDB 9.x/8.x/7.2, SQL Server, MS-Access.
Network /Protocol: TCP/IP, HTTP/HTTPS, SSH, Telnet, FTP, RMI/IIOP and WAP (WTP/WSP).
Tools: Tivoli Storage Manager, MQ Series, Clear Case (Version Control Software), SSO (Single Sign On), SSH.
J2EE/Web Technologies: Servlets, JSP, EJB, Java Script, XML, PHP and XHTML.
Applications: IBM WSAD, Web Sphere studio, MS Office, FrontPage, Flash Mx and Dream weaver Mx.
Hardware: System Installation, Network, PC and Operating system Troubleshooting.
Protocols: TCP/IP, UDP, HTTP/HTTPS, SMTP, IMAP, POP3, NIS, NIS+, NFS, DNS, and DHCP.
Monitoring tools: Wily Introscope, Tivoli Performance viewer, ITCAM.
PROFESSIONAL EXPERIENCE:
Confidential, Camphill, PA
Sr.WebSphere Administrator
Responsibilities:
- Installed, Configured administered and supported WebSphere Application Server V8.0/7.0/6.1 and IBM HTTP server 6.1/7.0 on AIX/Windows platform.
- Configured WebSphere Deployment Manager and Application Server profiles in clustered environment to utilize the advantages of failover and load balancing in multi-node environment.
- Created, Configured Profiles, Nodes, Node Groups & Clusters for WebSphere Application Server.
- Migrated J2EE Applications, which includes setting up new Development, QA, and Production Environments from WebSphere Application Server 6.1 to 7.0/6.0 to 6.1.
- Experience in coordinating with Network and DNS teams, firewall team in process of building the new environments and cutovers at network level.
- Used Tivoli Performance Viewer and ITCAM to monitor the performance.
- Configured IBM HTTP Server to load balance between the clustered portal servers.
- Responsible for support and reliable maintenance of the applications on different platforms for on-going application development.
- Deployed enterprise applications from Admin console.
- Configured resources for JDBC, J2C, and JMS based on the application requirements and configured Message Listener Ports for an application, which uses MDBs to trigger the queues
- 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.
- Used Heap Analyzer and Thread Analyzer to tune the WebSphere JVMs.
- Enabled WebSphere global security using Local OS and LDAP/LTPA mechanisms.
- Tuned the JVMs by analyzing the must gather information for Application Server Hangs.
- Created Self Signed and digital certifications using Ikeyman.
- Generated & Propagated plugin-cfg for web servers and troubleshooted plug-in regeneration problems.
- Worked on troubleshooting applications using logs, traces, Log Analyzer and Tivoli Performance Viewer.
- Created IBM PMRs and worked closely with IBM for resolving multiple issues.
- Performed routine management of WebSphere Environment like monitoring Disk Space, CPU Utilization and resolved dynamic cache problems.
- Responsible for support and reliable maintenance of the applications on different platforms for on-going application development.
Environment: Web Sphere Application Server 8.0/7.0/6.1, Portal Server 6.x/7.x, AIX, Sun Solaris, Sun ONE Directory Server 5.1, Tomcat 7/6, IBM HTTP Server 8.0/7.0/V6.1,Apache HTTP Server 2.x,Oracle 11g/10g, LDAP, Tivoli Performance Viewer, Wily Introscope 7.x, Oracle 10g, Sybase, DB2.
Confidential, Richmond, VA
WebSphere Administrator
Responsibilities:
- Installed, configured, administered, troubleshoot and tuned WAS ND, WebSphere Process Server and IBM Http Server on AIX, z Linux, Windows and HP-UX.
- Updated WebSphere Application Server, IBM Http Server and plug-in with latest fix packs and security fixes.
- Deployed application ears on WebSphere Application Server ND in Test, Stage and Production environments on a daily basis and troubleshot various configuration and application issues.
- Configured resources for enterprise applications like configuring JDBC providers, configuring JMS providers, configuring URL providers, configuring Mail Providers.
- Created, renewed and configured SSL certificates by either creating Self-signed Certificates or by importing new signer certificates into the WebSphere key store.
- Configured IBM Http Server for SSL on 443 by creating key.kdb file containing SSL certificate by either creating Self- Signed or Geo Trust Certificates.
- Configured WebSphere Application Server using IBM Lotus Domino Enterprise LDAP server as SSL LDAP registry.
- Involved in configuring the WebSphere load balancing utilizing WebSphere Workload Management including horizontal scaling and vertical scaling.
- Developed many JYTHON, JACL scripts and shell scripts to automate the maintenance process of the WebSphere Application Server.
- Implemented global security for WAS 6.x/7.x by configuring the federated repositories.
- Configured ITDS v6 by creating new directory server instance, creating Suffix and populating ITDS, extending LDAP schema to auto detect mail file.
- Profiled all the J2EE Applications and worked with Application Development, and QA teams to resolve possible memory leaks, improve application integrity, performance and resolve all issues, bugs before deploying in Production.
- Extensively used IBM Pattern modeling and Analysis Tool (PMAT), IBM Heap Analyzer, IBM Thread and Monitor Dump Analyzer to identify the memory usage, leaks and analyzing the Garbage Collection and configuring the right GC parameters for better performance.
- Configured WebSphere to produce and gather garbage collector logs, JVM performance metrics for different aspects of the application.
- Installed application modules like SCA, CEI and Business Rules and configured service integration bus SIB for messaging support
- Implemented health check process for WebSphere Application Server and IBM Http Server.
- Troubleshoot problem-tickets, worked with developers to identify the root cause and resolve the issue or propose a potential work around.
- Managed multiple high profile complex projects and implemented with minimal disruption to end-users.
- Provided 24/7 on-call support on rotation basis for applications running in production on WebSphere Application servers.
Environment: IBM WebSphere Application Server Network Deployment 5.1/6.0/6.1/7.0 , IBM WebSphere Process Server 6.x, IBM DB2, Informix, IBM Http Server 6.1/7.0, AIX, Linux, SLES and HP-UX.
Confidential, New Haven CT
WebSphere Admin
Responsibilities:
- Installed and configured WebSphere Application Server 5.x/6.x on different AIX 5.x, Sun Solaris 7.x/8.x, Linux and Windows servers on Dev, Stage and prod Environments.
- Experience in installation, configuration, deployment and management of Enterprise Applications in a clustered and non-clustered environment using IBM WebSphere Application Server and Portal Server.
- Extensive experience in driving the effort for major migrations.
- Experienced in configuring and managing resources like JDBC, JMS, SIB and WebSphere Variables.
- Excellent database knowledge in Oracle, DB2 and MS SQL Server.
- Skilled in implementing the Global Security in WebSphere using federated repositories, Custom User Registry, Local OS Registry and LDAP Server and configuring SSL and Single Sign On.
- Experienced in authentication management, access control, user administration and resource provisioning.
- Well versed in different stages of implementing the Workload Management (WLM) and failover using vertical, horizontal & hybrid clustering for efficient use of resources on single and multiple machines.
- Built new Integration/Test/Staging/Production environments, installed Portal Server, configured with LDAP server.
- Experience in troubleshooting performance problems (memory/heap, CPU starvation, hung threads) using Tivoli Performance Viewer, Wily Introscope, Log Analyzer, Heap Analyzer, Thread Analyzer, Application Server Toolkit (AST), and IBM Support Assistant.
- Experience with IBM on problem determination, troubleshooting, and resolution - PMRs, running and submitting, gather scripts and log info, tuning, trace, verbose-GC, taking thread and heap dumps.
- Highly experienced in developing wsadmin scripts (Jython, Jacl), Ant and Shell scripts to administer and automate batch job scheduling.
- Provided support for development, Test, UAT and production environments in activities such as load testing, troubleshooting and performance tuning.
- Performed Root Cause Analysis for production outages and provided management with analysis reports.
- Provided 24/7 on-call support for production.
Environment: IBM WebSphere Application Server 5.x/6.x, AIX, Windows, Linux, IBM HTTP Server, Tivoli Performance Viewer, ITCAM, LDAP, TAM, WPS, Oracle, DB2/UDB, HTML, Wsadmin, JACL scripts, J2EE, Service Center.
Confidential, Atlanta, GA
Middleware Administrator
Responsibilities:
- Installed and configured WebSphere Application Server, Extended Deployment, Network Deployment, 6.1/6.0 on Sun Solaris, Linux, AIX and Windows Platforms (NT/2000) in a multi clustered high availability environments.
- Involved in installing Web Servers like IBM Http Server V6.1 and installing corresponding plug-ins on the Web Servers to communicate with the Application Server.
- Used Tivoli Performance viewer tool to monitor application resources (Enterprise beans, Servlets) and WAS runtime resources (JVM memory, application server thread pools, database connection pool, CPU Starvations).
- Implemented Clustering, Performance tuning and trouble shooting of IBM WebSphere Application Server 6.1.
- Provided load/stress and architecture validation testing and trouble shooting on issues such as Out of Memory, 100% CPU Usage, hung Thread sessions, JVM Crashes.
- Implemented Clustering, Performance tuning and trouble shooting of IBM WebSphere Application Server 6.1.0.x.
- Configured WebSphere resources like JDBC providers, JDBC data sources, connection pooling.
- Installed and Configured WebSphere Application Server ND 6.1.0.x in order to provide Core functionality for implementing Service oriented Architecture .Solid experience in implementing Work Load Management (WLM) and failover using Vertical/horizontal clustering to achieve High Availability.
- Creating SSL between client-web server and web server-cell.
- Experience in installing Wily Introscope for tuning purpose.
- Federating the entire app server to the deployment managers.
- Configured DB2 Node and DB catalogs to connect to mainframe DB2 databases via DB2Connect servers systems on Sun Solaris, AIX, Linux (Red Hat) and Windows environments.
- Configured Tivoli directory server for authentication to the application server.
- Enabled security for the Admin Console and the application components by creating user registry in LDAP (IBM Tivoli Directory Server).
- Monitored for Application core dumps or forced thread dumps to check for system objects using thread analyzer.
- Involved in performing stress testing to test for workload balancing and memory leaks, connection pooling issues in WebSphere Application Server and tuning various parameters to reduce the amount of hardware.
- Configured IBM HTTP Server to load balance between the clustered portal servers.
- Developed many Jython scripts and Shell scripts to automate the maintenance process of the WebSphere and recovered the backed up WebSphere configuration using XMLConfig tool.
Environment: WebSphere Application Server 6.0/6.1, IBM Http server 6.1, J2EE (JSP, Java, JMS, XML, EJB), IBM AIX.
Confidential
Jr. WebSphere Admin
Responsibilities:
- Installed, configured, administered and supported WebSphere Application Server 6.0/5.0.
- Performed installation, configuration and Administration of MQ Series, WebSphere Application Server on AIX, UNIX and Windows.
- Installed and Configured ITCAM (IBM Tivoli Composite Application Manager).
- Monitored Enterprise Applications using ITCAM.
- Implemented creation of Server groups and clusters in WebSphere Application server and cloning of servers (vertical and horizontal).
- Created user roles and groups for securing the resources using LDAP and local operating system authentication.
- Involved in trouble shooting and Performance tuning using Tivoli performance viewer and Thread analyzer.
- Created and configured resources for JDBC, J2C, and JMS based on the application requirements and configured Message Listener Ports for an application, which uses MDBs to trigger the queues.
- Implemented security using Global Security with IBM Directory Server.
- Installed and configured multiple IBM HTTP Servers to participate in clustering using CSS, with remote WAS plug-in.
- Active involvement in monitoring server performance, network traffic to reduce performance bottleneck.
- Applying software maintenance, program patches and keeping the system software releases current.
- Effectively interacted with the users on a daily basis, decreasing downtime and increasing user productivity.
- Troubleshoot hardware and software problems, and interact with IT staff or vendors in performing complex testing, support and troubleshooting functions.
- On call 24x7 supports for IHS, WebSphere Production Servers.
Environment: Web Sphere MQ, IBM WebSphere Application Server 5.0.x/5.1.x/6.0, LDAP server, ITCAM, ITSM, IBM UDB, UNIX (Solaris, AIX, Linux, Win2000, Apache, Web sphere Portal Server 5.0, IBM HTTP Server, Tivoli, Java, JSP, EJB.