Web Administrator Resume
TX
Summary:
- 7 years of experience in Information Technology and over Five years of experience in installation, configuration, deployment and management of Enterprise Applications using WebSphere Application Server 6.1, 6.0, 5.x, and 4.0 on Solaris, Linux, HP-UX and Windows NT/2000 platforms .
- Extensive experience in installation, configuration and maintenance of WAS 6.1, 6.0, 5.x, and 4.0 in clustered and non-clustered environments on Solaris, HP-UX, Linux and Windows NT/2000 platforms.
- Experienced in setting up the development, testing and production environments with good exposure to Testing and De-bugging.
- Strong technical knowledge includes WebSphere Application server implementation, fail-over support, workload management (WLM) using horizontal scaling and vertical scaling and performance tuning.
- Web server setup including Complex Secure Sockets Layer (SSL) on IBM HTTP Server 1.3.x/2.x (Apache based).
- Well experienced in installing and integrating IBM HTTP Server (1.3.x/2.x/6.0), iPlanet 5.x, Apache (1.3.x/2.0.x), LDAP, DB2/UDB (7.2.x/8.0.x), Oracle 8i/7.x with IBM WebSphere Application server on various platforms.
- Experienced in applying patches for WAS, IHS and Plugins, generate and propagate Webserver Plugins for IHS (1.x/2.x/6.0).
- Experienced in WebSphere Administration using Command Line Tool.
- Proficient in configuring WebSphere Application Server with monitoring tools like Tivoli Omegamon and Wily Interscope.
- Experienced in automating WebSphere administrative tasks using Shell, JACL and Jython scripts (recycling the application server, deploying customer applications, logs rotation, monitor applications state etc).
- Extensive knowledge of J2EE Technology concepts such as (JSP, EJB, JDBC, JNDI, JMS, Servlets, RMI, CORBA, JavaScript, JACL, XML).
- Well experienced in packaging applications to build platform independent applications using WebSphere Application Assembly Tool (AAT).
- Experience of working with IBM on various PMR’s (Problem Management Records).
- Hands on Relational Databases like DB2, Oracle, Sybase, and SQL server.
- Very comfortable in programming languages C, C++, Java, Visual Basic, COBOL.
- Provided 24x7 supports for Production and Development Environments.
- Excellent Analytical and Logical programming skills with a good understanding at the conceptual level.
- Team Player with Effective Communications Skills (verbal and written) for both highly technical and non-technical audiences.
Technical Skills:
- Operating Systems: IBM AIX 4.5/5.1/5.2, SUN Solaris 2.7/2.8/2.9, LINUX (REDHAT, Suse), Windows NT/2000 server, Windows XP/98/95
- Application/Web Servers: IBM Web Sphere Application Server 4.0/5.0/5.1/6.0, Apache WebServer 1.2.2/1.3/2.0, IBM WCM 5.1/6.0, IBM HTTP Server 1.3.28/1.3.26.2/2.0.42/2.0.47/6.0, iPlanet Directory Server, Netscape Enterprise Server, Websphere portal 5.x,6.x, IBM MQ Series 5.x.
- Database: ORACLE8i/9i,DB2/UDB7.2/8.0,SQL Server .5/7.0/2000, MS-Access 2000, and Sybase
- Java/J2EE/Web Technologies: HTML, Java Script, DHTML, XML, XSL, XSD, CSS, Applets, AWT, JFC (Swing), J2EE 1.2/1.3, JDBC, Servlets, JSP, Java Beans, RMI, EJB, JNDI, JAXP, JMS, Java Web Services using JAXM, JAXP, SOAP, WSDL, UDDL
- Programming Languages: Perl, C/C++, JavaScript, COBOL, SQL, UNIX Shell Scripts, Jacl
- Development Tools: IBM WSAD 4.5/5.x, RAD, AAT, Apache ANT
- Network Protocols/Services: TCP/IP, UDP, HTTP/HTTPS, RMI/IIOP, SOAP, SSL, SMTP, ICMP, IMAP, POP3, NIS, NIS+, NFS, DNS, DHCP.
Professional Experience:
Confidential, TX. May 2010-Present
Web Administrator
Responsibilities:
- Prominent member of development, Test, Stage and Production environments with installing,configuring, designing, maintenance and troubleshooting on the Infrastructure and application configurations on servers
- Experience in Installation, Configuration and maintenance of the WebSphere 5.1/6.0/6.1/7.0.0.11 application servers in LINUX and AIX.
- Experience in Installation, Configuration and maintenance of FAST Application Server 2.7/2.8/3.0 in LINUX and AIX.
- Set up LDAP for the newly installed WebSphere Application Server. Installed SSO client on the servers.
- Installed, configured and administered IHS 6.1.0.X, 7.0.0.X on AIX Servers. Installed and configured WebSphere Plug-in on AIX Servers
- Configured SSL on IBM Http Server using self signed certificates and CA (Verisign) signed certificates.
- Deployed Enterprise Java Application on different environments (QA, UAT, DR and PROD) using console and pre-written scripts
- Installed and configured Tomcat 6.0 for setting up code Build tools like Hudson.
- Deployed J2EE applications (ears/war/jars) on WebSphere. Worked closely with developers in deploying ears and wars, configuring necessary database resources (JDBC Providers, data sources), MQ resources (Queue Managers, Queue destinations, Queue Connection Factories, Message driven bean listener ports).
- Primary tasks also involved building the WebSphere infrastructure for multiple new projects, working closely with project managers to resolve the issues during the project phase, performed DR tests, BAU tasks for the multiple applications.
- Wrote Jython script templates to perform Environment creation/configuration tasks like, JDBC provider setup, datasource creation, JMS configurations (Queue Connection Factories, Queue destinations), SIB, App server clusters and Restarts of clusters etc.
- Provided 24/7 on-call support on rotation basis with other team members, being flexible to work during off hours
Environment: WebSphere Application Server 5.x/6.x/7.x, IBM HTTP Server 6.x/7.x, Apache Web Server V2.2.x, JDBC, SVN Repositories, AIX 5.x, Peregrine, Change Management System, Cervault, Rational Build Forge 7.x.
Confidential, NJ. Feb ’09- May ’10
WebSphere Administrator.
Responsibilities:
- Prominent member of development, Test, Stage and Production environments with installing, Configuring, designing, maintenance and troubleshooting on the Infrastructure and application configurations on servers.
- Experience in Installation, Configuration and maintenance of the Websphere 5.1/6.0/6.1 application servers (Configuring the Websphere as application server on the UNIX platform, Upgrading from 5.1.x6.0-6.1, Migration, Deployment of the Web applications, Performance tuning, Clustering, Troubleshooting of Enterprise applications, Designing of New Enterprise applications, Integration of the WebSphere application with MQSeries and backend Oracle database, Configuring MDB’s, Configuring WebSphere MQ JMS provider, Configuring the Security using LTPA Token and Single SignOn Authentication Challenge, Installing required JDK versions.
- Installation, Configuration and Migration of the web servers (Apache) from version 1.3.26 to 1.3.28, 2.0 and IBM HTTP servers from version 1.3.28, 6.0. Configuring the Virtual hosts for all the clients in the web servers.
- Configuring the URL’S in load balancing mode through CSS, GSS and coordinating with Firewall, DNS, CSS, GSS teams in implementing high traffic load balanced URL’s. Configuring the SSL for the clients as per the client request.
- Creating the documentation for the installation and configuration of the applications in the entire four environments (dev, test, stage and prod).
- Prominent member of IBM products License management, maintenance contracts with Vendors. Involved in meetings with IBM regarding the migration of the WebSphere application servers and MQSeries products from windows platform to the UNIX platform.
- Proficient experience of IBM Websphere Application/MQSeries on UNIX platform.
- Performance tuning of the web application using the Tivoli performance monitor and the turning on the garbage collector parameters. Worked closely with the development team in resolving the memory leakage issues in the web apps.
- Created the automated scripts, Jacl scripts and command line utilities for checking the performance of the app servers, creating clusters, creating appserver, deploying web apps.
- Worked with Ant scripts in creating the ear files, JAR files and deploying the JAR files. Worked on performance tools like Wily, websphere Tivoli performance viewer.
Environment: IBM Web sphere Application Server v6.1/6.0.x, , IBM HTTP Server 1.3.x/2.0.x.x, UNIX, Windows 2000, and Oracle, Web sphere MQ 5.3, J2EE, JSP1.2, EJB and JDBC.
Confidential, TX. Mar ’08 – Jan ’09
Web Administrator
Responsibilities:
- Installed WAS 6.1 base/ ND and created cell, dmgr and appserver profiles on UNIX and Red Hat Linux platforms.
- Installed and configured WebSphere 5.1 and applied the fix packs 5.1.1 and 5.1.1.1, jdk refresh 1.4.2.1 and DB2 V8.1 on several Lab Machines.
- Created multiple configuration instances of WAS base and federated them to multiple configuration instances of WAS-ND, Base and ND on different platforms with security enabled and verified installation, Application Server instance creation, node federation, enterprise application installation and execution work correctly.
- Transferred cloudscape database to MS SQL Server database.
- Tested the coexistence of two installations of the BASE WebSphere Application Server on a single node with Trade3 application on both installs and verified that there are no conflicts and able to run applications in an isolated manner.
- Involved in moving BPTE Demo from Windows VMware images to UNIX platform - IBM Demonet infrastructure.
- Worked on WebSphere components such as Work Load Management (WLM), Servlet Engine, Session Manager, Admin Client and Http-Web Admin tool (thin client).
- Developed many Wsadmin scripts and shell scripts to automate the maintenance process of the WebSphere and recovered the backed up WebSphere configuration.
- Used JACL scripting extensively for managing production environments
- Created, tested & deployed J2EE applications on Websphere Application Server using WSAD tools.
- Administration of Working Application, Application performance monitoring - starting and stopping the application server, - Installed plug-in for IBM HTTP Web server, co-ordinate with Database Admin Team to create databases for storing the Websphere application repository.
- Involved in deploying the EAR files and scripting automated deployment of the applications.
- Used IBM Edge Server and Network Dispatchers for load balancing.
- Configured Workload Management (WLM)
- Configured the web server interfaces, session management, virtual hosts and transports for WebSphere.
- Configured Wily Introscope to all lower environments and also to the production environment.
- Occasionally used Resource Analyzer/ Tivoli Performance Viewer to monitor WebSphere Applications and tuned the environment accordingly like changing the JVM Heap, Connection Pool sizes.
- Perform advanced SiteMinder / LDAP and Web Infrastructure troubleshooting and interfaces directly with various IT teams to resolve technical issues in production environment
- Configured WebSphere resources like JDBC providers, JDBC data sources, connection pooling, and Java Mail sessions.
- Implemented creation of Server groups and clusters in Websphere Application server
- Configured horizontal scalability of WebSphere through a mechanism called as “Cloning of multiple JVMs” with independent Java Virtual Machines-JVMs, for each clone.
- Involved in trouble shooting and Performance tuning using Resource analyzer and log analyzer.
Environment: IBM WebSphere Application Server 5.x/6.x, DB2 7.x/8.x, IBM HTTP Server 1.3.x/2.0.x.x, UNIX, Solaris 2.8, Siteminder6.x, Windows 2000, IBM Directory Server 5.1, IBM WebSphere Studio Application Developer (WSAD) 4.0, HTML, Java Script, XML, JSP, Servlets, ANT.
Confidential, Nebraska Jan ’07 - Feb’08
Websphere Administrator/Systems Engineer.
Responsibilities:
- Installed and Configured Websphere Application Server 5.x/6.1 ND on distributed platforms. Installed and configured IBM HTTP Server and IIS 6.0.
- Worked on troubleshooting and resolving the issues in all areas of websphere v5.x and 6.x including configuring SQL Server ,DB2, Security, EJBs, Servlets, application deployment, WSADMIN JMX scripting, work load management, clustering, plug-in, IHS, web servers and Migration.
- Prominent member of development, Test, Stage and Production environments with installing, configuring, designing, maintenance and troubleshooting on the Infrastructure and application configurations on servers
- Configured the URL’S in load balancing mode .Configured the SSL as per the client request.
- Worked on preparing the documentation for installation and configuration of the applications in all the environments (dev, test, stage and prod).
- Performance tuning of the applications using the Tivoli performance monitor and turning the garbage collection parameters. Worked closely with the development team in resolving the memory leakage issues with the web apps.
- Created and automated Jacl scripts and command line utilities for checking the performance of the app servers, creating clusters, creating appserver, deploying the apps.
- Worked on performance tools like Wily, websphere KM., Tivoli performance viewer.
- 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.
- Upgraded to JDK 1.3.1 SR6 / JDK 1.4.2 SR 7 or higher to resolve memory leaks.
- Worked with developers and other project members 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.
- Wrote scripts for accessing remote Admin Servers, cleaning up logs during back-ups.
- Implemented Horizontal and Vertical Clustering, Performance tuning and trouble shooting of Websphere Application Server.
- Added redirects and proxy statements in the proxy servers.
- Configured JDBC providers, Data Source, Virtual Hosts, Global Security, LDAP and SSL.
- Configured Single Sign On (SSO) and set up trust association
- Worked on Change Management tool (Service Center) to address specific business problems and evolve their IT service and asset management practices for reduced costs, improved productivity and service, and lower risk.
- Assembled and deployed the application in staging, production, following change management practices.
- Troubleshooting Admin Server start-up issues, Java code defects after deployment, and classpath issues by checking the JVM logs, plug-in logs and the WebServer logs.
- Performed routine management of WebSphere Environment like monitoring Disk Space, CPU Utilization.
- Integrating MQ Series server with the application server for message queuing
- Provided 24x7 application/infrastructure support, working in shifts
Environment: IBM WebSphere Application Server 5.x/6.x, DB2 7.x/8.x, IBM HTTP Server 1.3.x/2.0.x.x, AIX 5.2/5.3, Solaris 2.8, Siteminder6.x, Windows 2000, IBM Directory Server 5.1, IBM WebSphere Studio Application Developer (WSAD) 4.0, HTML, Java Script, XML, JSP, Servlets, ANT.
Confidential Arkansas Oct ’05 - Dec‘06
WebSphere Administrator
Responsibilities:
- Installed and configured WebSphere 3.5/4.0, HTTP Web Server 1.3 and administered the process of deploying the Enterprise Components in AIX and Solaris environments.
- Developed UNIX shell scripts to automate the WebSphere Administration (recycling the application server, deploying customer applications, logs rotation, monitor applications state, etc,).
- Used Resource Analyzer and Log Analyzer for performance tuning and troubleshooting.
- Log file was managed for troubleshooting and probable errors.
- Wrote Korn Shell scripts for the User account Management across the enterprise.
- Supported Websphere Application Server clustering, load balance, failover and performance tuning.
- Performance tuning in the aspect of Database Connection Pooling. Built reports for tracking the Workflow.
- Implemented standard backup procedures for both application DB and WAS administration DB.
- Implemented creation of Server groups and clusters in WebSphere Application server and cloning of servers (vertical and horizontal).
- Deploy new, unique email addresses using iPlanet server. Provided a means for timely, reliable mass email and emergency broadcast capabilities.
- Writing shell scripts for automating maintenance and backups/restores.
- Integrated connection pooling for the transaction controls and deployed the EJBs on WebSphere Server
- Configured and setup Secure Sockets Layers (SSL) for data encryption and client authentication.
- Simplify email access by providing a Web Mail capability
Environment:
WSAD 4.0 WAS 3.5/4.0, Oracle 8i, JavaScript. Java, J2EE, EJB, JSP, Servlets, JDBC, JNDI, LINUX, SOLARIS, AIX, Win 2K, IBM HTTPD/Apache2.04x & XML.
Confidential July ‘04-Sept ‘05
Systems Administrator.
Responsibilities:
- Installation and configuration of Sun Solaris Unix on PC’s and Desktops, installation and configuration of Windows NT under PC’s, installation and configuration of Software under Linux. Setup Windows to Sun Solaris connectivity using Third Party software, Setup Modems, File Servers, Print Servers and DNS Servers under Sun Solaris/Linux/Windows.
- Troubleshoot Network related problems and End User problems for the application under Windows NT4.0, Linux and Sun Solaris Unix. Performing Backups/Restores, adding and creating users, responsible for Purchasing Computer Hardware and Software for the organization.
- Modifying the Unix Kernel parameters for optimization, monitoring the usage of Disk, memory, I/O and CPU.
Environment: JSP, Oracle 8i, XML/XSLT, HTML, CSS, Sun Solaris, Red Hat Linux
Education:
Bachelor of Technology in Computer Science