Middleware Admin Resume
Tampa, FL
PROFESSIONAL SUMMARY:
- Over Seven years of IT experience with six years of experience in Planning, Installing, Configuring, Administering, Patching, Tuning, Troubleshooting and Integrating IBM WebSphere Application Server, Portal server, Apache Tomcat, Apache Http Server, IHS & SunOne Web Servers.
- Strong experience in Administration and Maintenance of WAS ND clusters (vertical, horizontal) and deployment of applications in highly available, load balanced production environments.
- Experience in integrating WebSphere Application Server and Deployment manager with IBM Http server, IBM Directory Server, Sun ONE Web Server, Oracle, DB2 and SQL servers.
- Installed and Administered IBM WebSphere Portal Server 5.1.0.1, 6.1 and 7.0
- Experience in Administering IBM Web Content management 2.5/5.0/6.0/7.0
- Transferred default cloudscape database to DB2 and Oracle database.
- Troubleshooting Production issues, Worked on resolving Application Server Hang issues and High memory and CPU issues in WebSphere Application Server 5.0/5.1/6.0/6.1/7.0
- Tuned the JVMs by analyzing the Must Gather information for Application Server Hangs on AIX, Linux and Solaris.
- Used Heap Analyzer and thread Analyzer to tune the WebSphere JVMs.
- Used Tivoli Performance Viewer and IT CAM to monitor the performance.
- Tuning the Prepared Statement Cache for WebSphere Application Server, that resulted in very large Application Server memory footprints, Out of Memory errors or crashes of the Java process.
- Upgraded to JDK 1.3.1 SR6 / JDK 1.4.2 SR 7 or higher to resolve memory leaks.
- Resolved deadlock issues in Dynamic cache when processing the batch operations for WebSphere Portal Server.
- Highly experience in Perl, Shell, JACL and Jython scripting for administration, maintenance and troubleshooting - written scripts for all day-to-day activities - both WAS and shell.
- Highly experienced deploying and debugging applications in Base and ND WebSphere Application Server providing loadbalanced and highly available clustering solutions
- Experience includes hands on expertise in Single SignOn domain using TAM, SiteMinder, Identity Management, LDAP
- Involved in configuring load balancing using F5 BIG-IP, 3DNS
- Mediated between the Systems Administration and the Network groups, resolving network and performance issues.
- Excellent skills on troubleshooting and problem determination of WebSphere/System/Network related problems including monitoring, capacity planning and maintenance by providing 24X7 support on call for all mission critical applications.
- Recommended Modification of Coding Variables to reduce Garbage Collection.
- Used garbage collection to evaluate application performance health and detected the presence of memory leaks.
- Working knowledge of industry standard development practices and concepts. (J2EE, EJB, JDBC JMS, Java, JavaScript, Servlets/JSP, XML, XSLT, SOA, Web Services).
- Experienced in DNS, LDAP, FTP, Remote Access, Security Management and System Troubleshooting skills.
- Ability to pickup new technologies, solve complex technical/runtime problems and multitask between different projects
TECHNICAL SKILLS:
Operating Systems: Sun Solaris 8/9/10, AIX 4.0/5.0/5.1/5.2/5.3 RedHat /SuSe Linux 6.x/7.x, Windows XP/2000/2003 server, Windows NT4.0
Middleware: IBM WebSphere Application Server 5.x/6.x/7.0, WebSphere portal Server 5.1/6.0, IBM IHS 1.x/2.x/6.x, Apache 1.3.27, WebLogic Server 9.0/10.3, Apache Tomcat 5.x, SunONE Web Server, Netegrity SiteMinder Policy Server 5.5, 6.0, TAM 4.x, 5.1, IDS, iplanet LDAP, Wily Introscope 5.x,6.x,7.x
Java Technologies: JSP, Servlets, EJB, RMI, JAAS, XML .
Languages: C,C++, JavaScript, HTML, JAVA, VRML 2.0, SQL, mySQL, PL/SQL
Monitoring Tools: Tivoli Performance Viewer, Thread Analyzer, Log Analyzer and Wily Introscope, Garbage Collector Tool, Heap Analyzer, FFDC Tool, Memory Dump Diagnostic Tool, IBM Tivoli Monitor.
Web Tech: JavaScript, Shell script, Perl, JACL, HTML, XML/XSL, XML Schema and DHTML
Web Servers: IPlanet V6.0 (SunONE Web Server), Tomcat Apache V2.0.47, IBM HTTP Server V6.0.
Database: Oracle V8i/9i/10g, DB2 V7.1/8.1, Microsoft SQL server 2000 and MS Access.
UML Tools: Rational Rose, Rational Unified process, Rational Clear Case
Networking Protocols: TCP/IP, DNS, LAN, WAN, DHCP, SMTP, POP3, IMAP, HTTP, SSH, LDAP, DHCP.
PROFESSIONAL EXPERIENCE:
Middleware Admin
Confidential, Tampa, FL
Responsibilities:
- Maintenance of the Web Sphere Application Servers on AIX, Linux platforms and setting up the development, testing and staging environment for the ongoing application development.
- Installed and Administered WebSphere Portal Server 7.0 and applied Fixpack on it.
- Generating new and Modifying existing XML access scripts to include the various administrative changes in the WebSphere Portal Server
- Configured and supported WebSphere Portals and maintained enterprise portlets.
- Managed deployment of portlets, themes, and other assets in websphere portal.
- Performed trouble shooting, and support for a clustered portal environment.
- Configured IBM WebSphere Portal 6.0 for various Database Servers like Oracle 9.i.0.2/10g and DB2
- Installed, Configured and supported IBM HTTP Server 6.0/6.1, for Internet and Intranet environments on AIX, and Linux.
- Installed configured and Administered JBoss Application Server 5.0.0/4.2.2on different versions like AIX 5.3, Linux, and Windows.
- Installed and Configured JBoss ANT and building withApache ANT.
- ImplementedLoad Balancing clustersby distributing a workload evenly over multiple back end nodes.
- Configured JDBC Drivers and data source connection pools on Jboss Application Server.
- Managing and Monitoring the JVM performance by WebSphere Heap Size, garbage collection, JDBC Pools Responsible for Architectural Design, Implementation and periodic testing and support of Web Environments with respect to High Availability and Disaster Recovery
- Analyzed log files to detect and troubleshoot server and application problems. Used the Trace feature to resolve issues. Used different tools like heap dump analyzer and IBM Support to analyze the core dumps
Environment:IBMWebSphere Application Server 7.0, JBoss 5.0.0/4.2.2, WebSphere portal Server 7.0 IBM HTTP Server 6.0/61, AIX 5.x, RHEL 3/4, HPUX 11.x,SiteMinder 6.x, Oracle 10g,Windows 2000,IBMDirectory Server 5.1,WTE 5.1.1,IBMWebSphere Studio Application Developer (WSAD) 4.0, HTML, Java Script, Shell scripts, JACL, JYTHON, XML.
Middleware Analyst
Confidential, FL
Responsibilities:
- Installed, configured, administered and supportedWebSphere Application Server ND 6.1/7.0on AIX, Solaris and Linux.
- Maintenance of the Web Sphere Application Servers on AIX, Linux and Windows platforms and setting up the development, testing and staging environment for the ongoing application development.
- Installed and Administered WebSphere Portal Server 6.0.1/6.1 and applied Fixpack 1 on it.
- Involved in migrating WebSphere Portal Server 6.1 to WebSphere Portal Server 7.0.
- Generating new and Modifying existing XML access scripts to include the various administrative changes in the WebSphere Portal Server
- Configured and supported WebSphere Portals and maintained enterprise portlets.
- Managed deployment of portlets, themes, and other assets in websphere portal.
- Performed trouble shooting, and support for a clustered portal environment.
- Configured IBM WebSphere Portal 6.0 for various Database Servers like Oracle 9.i.0.2/10g and DB2
- Installed, Configured and supported web servers (IBM HTTP Server 6.0/6.1, IIS, iPlanet, Apache) for Internet and Intranet environments on AIX, Solaris and Linux.
- Involved inWebSphere MQCluster design, set up, and administration.
- Configured, managed and as well as automatedWebSphere MQQueue Managers, Queues and channels
- Architected, implemented and managed complex corporateWebSphere MQclustered environments.
- Involved in Troubleshooting and Managing Enterprise Application Integration solutions layered upon ComplexMQSeriesenvironments.
- Deployed Applications (WAR, JAR, and EAR) in Domain and Clustered environment
- Installed configured and Administered JBoss Application Server 5.0.0/4.2.2on different versions like AIX 5.3, Linux, and Windows.
- Installed and Configured JBoss ANT and building withApache ANT.
- ImplementedLoad Balancing clustersby distributing a workload evenly over multiple back end nodes.
- Configured JDBC Drivers and data source connection pools on Jboss Application Server.
- Created SSL certification using IKEYMAN.
- Involved in configuring theWebSphere load balancingutilizing WebSphereWorkload Managementincludinghorizontal scalingandvertical scaling.
- Involved in trouble shooting and performance tuning using Tivoli Performance Viewer andLog Analyzer.
- Extensively involved in Work Load Management, Application High Availability, and Performance Tuning by creating the Server groups and Clones, and Clustering.
- Worked on F5 BIG IP and Cisco Load balancers.
- Involved in trouble shooting and providing technical assistance for web hosting team on various applications and servers includingIBM HTTP Server, and JBOSS.
- UsedHeap Analyzer and thread Analyzerto tune theJVMs.
- Developed shell and Perl scripts for Automation of Administrative task and Automated the WAS environment with Jacl and Jython Scripts.
- Experience in writing ANT scripts for compile and deployment.
- Determined performance issues resulting from configuration or poor coding techniques.
- Assisted customers with setting proper Priority/Severity of problems, work problems to resolution, recorded/documented actions in databases as well as utilized tools and resources.
- Troubleshoot hardware and software problems, and interacted with IT staff or vendors in performing complex testing, support and troubleshooting functions.
- Provided on call support by 24x7 shift rotation basis and monitored trouble ticket queues to attend user and system calls.
- Provided recommendations on environment standards, product leveling, performance tuning, new project consulting, recommend broadened usage of WebSphere functionality.
Environment:IBMWebSphere Application Server 6.x/7.0, JBoss 5.0.0/4.2.2, WebSphere portal Server 5.1/6.0/6.1,7.0 WebSphere MQ 5.3/6.0, IBM HTTP Server 6.0/61,IIS 5.x/6.0, Apache Web Server 1.3/2.0,iPlanet 6.1, AIX 5.x, RHEL 3/4, HPUX 11.x,SiteMinder 6.x,Solaris 10,Oracle 10g,Windows 2000,IBMDirectory Server 5.1,WTE 5.1.1,IBMWebSphere Studio Application Developer (WSAD) 4.0, HTML, Java Script, Shell scripts, JACL, JYTHON, XML, ANT.
WebSphere Engineer
Confidential, FL
Responsibilities:
- Installed, Configured and Maintained of IBM WebSphere Application Server 6.1/7.0 ND and v6.0.2 ND/XD on AIX 5.3/6.1,Red Hat Linux 5.2 Platform
- Implemented horizontal scaling on WebSphere Application Server (WAS) in a workload-managed cluster
- Involved in Setting up server node, cells, deployment manager and administration, monitoring, maintenance, troubleshooting, performance tuning, and change management. Generation of WAS Plug-in for IHS.
- Installed, configured and Managed WebSphere Portal Server 6.1 on AIX.
- Installed and Administered WebSphere Portal Server 6.0.1/6.1 and applied Fixpack 1 on it.
- Deployed and configured portlets using the Portal admin console and xml scripts.
- Configured security using LDAP for Web Sphere Portal.
- Individually installed and configured the environment. Set the property files to enable the Content Management tool in the IBM WebSphere Application and the Portal Server.
- Created portal users and groups and exercise access control options to manage their usage of portal resources.
- Enforcing WebSphere Portal Security- Authentication, Authorization, Creating Roles and setting User access levels
- Integrated Web Sphere Portal Server with Tivoli Access ManagerV5.1
- Investigated memory leaks in WPS 5.0 and obtained appropriate fixes from IBM to upgrade the installation
- Involved in migration of the applications from WebSphere 5.x to 6.0 and worked closely with development team. Applied Refresh packs, fix packs and cumulative fixes for WebSphere, IHS and plug-in.
- Configured clustering environment in Network deployment configuration and responsible for maintaining, supporting the load balancing, high availability and failover
- Involved in setting authentication mechanism to LTPA, to use LDAP directory as user registry
- Configured WebSphere global security with LDAP registry and Created users with various roles to access the WebSphere admin console, users and groups in LDAP and added them as WebSphere Console Groups.
- Maintenance of Oracle Application Instances including applying patches, Backup & Recovery.
- Performing the jobs of System Administration for Oracle Application.
- Installed, configured and administered WebLogic Server 9.0/10.3 in various environments.
- Deployedthe applications,formats ofWAR, JAR and EAR in WebLogic 10.3.
- Configure and administered of JDBC, JMS, JNDI in WebLogic Server 10.3.
- Installed, configured and administered Apache web servers.
- Configured and administered Connection pools, multi connection pools and Data Source for JDBC connections.
- Good working experiences with Session Management, creating replication domains for session persistence (Memory to Memory replication and database) using client server methodology. Used WebSphere backup and restore scripts for backing up WebSphere repository
- Defined and Configured 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.
- Deployed the applications on clusters, updating the Installed applications and updating Web Server plug-in configuration using administrative console as well as Jacl scripts
- Managing and Monitoring the JVM performance by WebSphere Heap Size, garbage collection, JDBC Pools Responsible for Architectural Design, Implementation and periodic testing and support of Web Environments with respect to High Availability and Disaster Recovery
- Analyzed log files to detect and troubleshoot server and application problems. Used the Trace feature to resolve issues. Used different tools like heap dump analyzer and IBM Support to analyze the core dumps
- Upgraded the WebSphere Applications Server and deployment manager form 6.1.0.11 and 6.1.0.19 Fix packs.
- Solid understanding of the Sun One (iPlanet), IBM IHS, Tomcat and Apache web servers
- Worked with IBM Support by opening up the PMR to get the solutions for critical issues
- Responsible for Production support by 24/7 on radiation basis.
Environment: WebSphere application Server 5.x/6.0/6.1/7.0, WebSphere XD 6.0/6.1,WebSphere Portal Server 5.1/6.0/6.1/7.0, WebSphere Process Server 6.0/6.1, WebLogic Server 9.0/10.3 Oracle Application server 11.5.9, Apache Web Server V2.0.47/6.0, LDAP, Java, J2EE, JSP, Servlets, EJB, XML, JDBC, JavaScript, ORACLE 8i/9i/10g, DB2 V7.1/8.1, HTML, z/OS, AIX 5.3/5.2, Solaris V8/9/10, BigIP, JACL Scripting
WebSphere Engineer/Admin
Confidential, Burbank CA
Responsibilities:
- Installed, configured, administered and supported Web Sphere Application Server ND/Base 6.1/6.0.
- Maintenance of the WebSphere Application Servers on different UNIX (AIX and SOLARIS) and LINUX platforms and setting up the development and testing and staging environment for the ongoing application development.
- Installed, configured and maintained Tomcat apache, IBM HTTP server instances in AIX and Windows. Platform Expert in Troubleshooting, developing, deploying and supporting the Applications running on Web Sphere 5.x/4.0.
- WebSphere Application Server performance tuning using Tivoli performance viewer.
- Used threadanalyser to analyse java core dumps.
- Used heap Analyzer to analyze heap dumps.
- Used IBM pattern modeling tool to analyse memory issues.
- Experienced in Deploying Themes and Skins in Portal.
- Debugging of the application problems in deployment time, runtime and in load test.
- Developed Jacl scripts and shell scripts to automate the maintenance process of the WebSphere and recovered the backed up WebSphere configuration using XMLConfig tool.
- Monitored Enterprise Applications using ITCAM.
- Created and configured JDBC providers and data sources to support database backed applications for Oracle and DB2/UDB.
- 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.
- Installed and configured multiple IBM HTTP Servers to participate in clustering using CSS, with remote WAS plug-in.
- Implemented security using Global Security with IBM Directory Server.
- Installed Oracle Applications version 11.5.10.2
- Configured Oracle Application server
- Installed the client.
- Maintained the Oracle Application Instances including applying patches.
- Performed system administration jobs for oracle Application.
- Installed, configured and administered WebLogic Server 9.0/10.3 in various environments.
- Deployedthe applications,formats ofWAR, JAR and EAR in WebLogic 10.3.
- Installed, configured and administered WebLogic Server 9.0/10.3 in various environments
- Involved in trouble shooting and Performance tuning using Tivoli performance viewer and Thread analyzer.
- 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, Web sphere and Web Sphere Portal Production Servers.
- Handled Staging and production environments as part of the application deployment
- Installed EARs, WARs and configured application specific JVM settings, Web container parameters using the Admin Console and WSCP/Wsadmin scripts.
- Configured Single Sign On(SSO) and set up trust association.
- Involved in troubleshooting and problem evaluation of LDAP Authentication issues.
- Performed routine management of WebSphere Environment like monitoring Disk Space, CPU Utilization.
Environment: IBM WebSphere Application Server 5.0.x/5.1.x/6.0.x/6.1.x, WebSphere MQ series 5.3/6.0 WebSphere Process Server 6.0, WebSphere Portal Server 5.1/6.0, WebLogic Server 9.0/10.3, Oracle Application Server 11g,Tomcat Apache WebServer 1.3/2.0, HIS 6.0, LDAP server, ITCAM,ITSM, DB2 UDB, UNIX (Solaris, AIX, Linux),, Win2000, Apache 2.0, IBM HTTP Server, Tivoli, Java, JSP,EJB,TOAD.
WebSphere Administrator
Confidential, WI
Responsibilities:
- Installed, Configured, Administered, and Supported IBM Web Sphere Application Server 6.0/6.1 on SOLARIS, AIX, and Windows environment.
- Installed and Configured WebSphere Portal Server 5.1 on Windows.
- Configured Database and Security for WebSphere Portal.
- Transferred cloudscape to DB2 Database and security for WebSphere Portal Server.
- Installed and configured WebSphere Process Server 6.0 on AIX and Windows.
- Integrated and deployed enterprise-wide J2EE applications using Web Sphere Application Server Application Assembly Tool and managing security policies for different applications
- Managed connection pooling and registering web applications (Servlets, JSP) on Web Sphere Application Server.
- Installed and configured IBM HTTP Server and iPlanet web server.
- Involved in the Application Performance Management for Web sphere (6.0) using WILY INTROSCOPE (4.0).
- Monitored Enterprise Applications and WAS performance through TPV and tuned the system-catching, queuing, JVM parameters, DB connection.
- Used Resource Analyzer and Log Analyzer for performance tuning and troubleshooting
- Created user roles and groups for securing the resources using Local OS Registries
- Wrote WSCP scripts and shell scripts to automate the maintenance process of the Web Sphere and recovered/backed up Web Sphere configuration using XMLConfig tool
- Developed EJB components that are run in IBM Web Sphere Application Server on AIX environment
- Tuned the initial Heap Size for JVM so that Garbage Collector run at suitable intervals.
- Developed shell scripts, JACL scripts that automate the Web Sphere Administration (recycling the application server, deploying customer applications, log rotation, monitor applications state, etc,)
- 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.
- Involved in trouble shooting and providing technical assistance for web hosting team on various applications and servers including IBM HTTP Server, and JBOSS.
- On call 24x7 supports for IHS, Web sphere and Web Sphere Production Servers.
Environment: IBM Web Sphere Application Server 6.0/6.1, IBM HTTP Server6.0, WebSphere MQ series 5.3/6.0, WILY INTROSCOPE WebSphere Process Server 6.0, WebSphere Portal Server 5.1/6.0, LDAP server, ITCAM,ITSM, DB2 UDB, UNIX (Solaris, AIX, Linux), z/OS, Win2000, Apache 2.0, SOLARIS, AIX, Windows 2000, EJB, J2EE, JNDI, XML, DB2, Shell scripts, OOAD, UML.
Systems Administrator
Confidential
Responsibilities:
- Administered more than 40+ servers in heterogeneous environment, which includes IBM RS-6000 servers, Linux Servers.
- Hands on experience on installation, configuration and maintenance DNS servers, Mail servers, FTP servers, NFS, Samba servers, NIS, NIS+, and Web servers on AIX, Solaris, and Linux platforms.
- Well versed in running various web and database servers like Websphere, Weblogic, Apache, Oracle, and DB2.
- Handled User Accounts and Groups Accounts, Disks and File Management System.
- Experience with Setting up local and remote printers. Performing Backup and restore.
- Setting up Accounting Systems· Performing ongoing system and network administrative tasks.
- Installed and configured Application Server 4.0/3.5, iPlanet 4.1, JDBC drivers and Servlets engines on Solaris and AIX.
- Troubleshooting and analysis of hardware and software failures for various UNIX servers (core dump and log file analysis).
- Configured Workload Management using models and clones.
Environment: iPlanet4.x, RedHat Linux 6.x/5.x, AIX 4.x, Solaris 6.x, Windows NT/2000, FTP, NFS, DNS, Unix, Samba, Oracle Servers.
