We provide IT Staff Augmentation Services!

Sr. System/websphere Administrator Resume

5.00/5 (Submit Your Rating)

MN

SUMMARY

  • Over 7+years of strong experience in various middleware technologies such as IBM WebSphere Application Server (5.X, 6.X, 7.X), WebSphere MQ (5.3/6.0), JBOSS (4.X, 5.X) and WebSphere Data power XS40, XI50 SOA.
  • Excellent working noledge about Web Servers (IHS, Apache, Sun One), Databases (Oracle, DB2), LDAP (ITDS, Sun One) and Security servers (Site minder, Tivoli Access Manager).
  • Worked on various flavors of UNIX and very good understanding of Networking Concepts.
  • Worked in various environments such as Sun Solaris, AIX5L, Linux (Red Hat, Suse) and Windows (XP, Vista, 7).
  • Experienced in SSO, SAML implementations using CA Site minder to secure internal as well as external applications and web services.
  • Expert in migrating WAS 6.X to 7.X using administrative scripts.
  • Good noledge in SOA, Web services, SOAP WSDL, WS Security, UDDI, XSLT style sheets, XML Schema, AAA Policy.
  • Developed error policies wifin IBM Data Power to handle errors returned by back - end applications. Updated IBM Data Power administration and infrastructure documentation.
  • Hands on noledge on monitoring tools like Tivoli Performance viewer and Wily Introscope.
  • Experienced in deploying JAVA/J2EE components and administration including JAR, WAR, and EAR files on IBM WebSphere Application Server.
  • Very good noledge in setting up SSL Communications.
  • Involved in Work Load Management (WLM) and fail-over mechanisms using horizontal, vertical clustering as per the requirements after doing Cost Analysis and Capacity Planning.
  • Configured DB2 Node and DB catalogs to connect to mainframe DB2 databases via DB2Connect servers systems in various environments.
  • Responsible for setup, Installation and Administration of JBOSS Application server.
  • Experienced in JBOSS clustering, AS Security, maintenance, fix upgrades, general administration, troubleshooting and performance tuning.
  • Actively participated in configuring different services like WS-proxy, MPGW and XML Firewall.
  • Working noledge of fix packs, eFixes and cumulative fixes.
  • 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.
  • Worked closely wif developers to define and Configure Application Servers, Virtual Hosts, Web Applications, Web Resources, Servlets, JDBC drivers, Servlet Engines and Deployment of EJBs across multiple instances of WebSphere.
  • Experienced in problem tracing, log management, scripting to invocate problem-determination actions involving diagnostic traces, thread and heap dumps.
  • Opened PMR’s wif IBM to solve various issues related to the environment.
  • Excellent client relation skills and the drive to complete tasks TEMPeffectively and efficiently where customer services and technical skills are demanded as well as the ability to communicate TEMPeffectively wif all levels of management and the technical community.
  • Excellent Work Ethics, Hardworking wif good communication skills and global exposure.

TECHNICAL SKILLS

Operating Systems: IBM AIX 4.5/5.1/5.2, SUN Solaris 2.7/2.8/2.9, LINUX (REDHAT, SUSE), z/OS, Windows NT/2000/2003/2012 server, Windows XP/98/95

Programming Languages: C/C++, JavaScript, COBOL, SQL,PLSQL, UNIX Shell Scripts, Jacl, jython.

Application/Web Servers: IBM Web Sphere Application Server 4.0/5.0 /5.1/6.0,Apache,WebServer1.2.2/1.3/2.0,TOMCAT,IBM HTTP Server 1.3.28 /1.3.26.2/2.0.42/2.0.47/6.0, Directory Server, Netscape Enterprise Server, IBM MQ Series 5.x/6.x.,Websphere portal server.

Java/J2EE/Web Technologies: Java Script, HTML, DHTML, XML, Servlets, Applets,AWT, Swing, J2EE 1.2/1.3, JDBC, JSP, Java Beans, RMI, EJB, JNDI, JMS, Java Web Services using JAXM, JAXP, SOAP, WSDL, UDDL

Database: ORACLE10g,9i/8i,DB2/UDB7.2/8.0/9.5,SQL Server.5/7.0/2000, MS-Access 2000 and Sybase.

Development Tools: IBM WSAD 4.5/5.x, RAD, AAT, Apache, ANT.

Networking: TCP/IP, UDP, HTTP/HTTPS, RMI/IIOP, SOAP, SSL, SMTP, ICMP, IMAP, POP3, NIS, NFS, DNS, DHCP.

PROFESSIONAL EXPIERENCE:

Confidential, MN

Sr. System/WebSphere Administrator

Responsibilities:

  • Installing, configuring and maintaining IBM Websphere Application Server 6.1.0.23/7.0/8.0, IBM HTTP Server on AIX and Solaris.
  • Assist wif installation, configuration and maintenance of new products and environments.
  • Highly involved in Production releases.
  • Troubleshooting production issues such as Application Server Hang issues and High memory and CPU issues in WebSphere Application Server 6.0/6.1/7.0.
  • Responsible for the performance testing and tuning the applications performance emphasizing on JVM heap size, CPU utilization, JDBC connection pools, Garbage Collector, Web container threads, Servlets performance, response time alerts and thresholds
  • Create/Update the Documentation and train ASE’s when required.
  • Set up Initial Monitoring and request tool enhancements if needed.
  • Work wif partners on up-time and post deploy tests.
  • Problem Determination through the log files and rectified the problems or interacting wif IBM support to solve problems.
  • Involved in Load balancing/Tuning/Clustering for IBM WebSphere Application Server using Deployment Manager(Network Deployment)
  • Installing, Configuring and maintaining Tomcat 6.0.26 on Linux and Windows servers.
  • Configuring the changes in change management database CMDB and deploying to the servers.
  • Created JDBC Providers, Datasources, and JAAS authentication aliases in order to provide connectivity to Oracle, DB2, databases.
  • Handling the Pre-Prod and Prod application releases in agile methodology.
  • Involved in making changes in JBC connections, setting up new permissions and changing the property values in the production environment.
  • Extensive hands on using UNIX shell scripts, Jython and JACL automated scripts for administration.
  • Work on weekends to maintain a high volume of maintenance tasks.
  • Create new Queue Managers; perform Queue Manager Customizations.
  • Deployed enterprise applications on Application Servers and maintained applications.
  • Involved in SCM, build, release, middleware configuration, and application infrastructure management activities.
  • Problem Determination through the log files and rectified the problems or interacting wif IBM support to solve problems
  • Maintenance of Biztalk console application for the maintenance work of the application.
  • Opening and creating tasks and changes in HP service managers for the Maintenance work wif other teams.
  • Create/Update the Documentation and train ASE’s when required.
  • Set up Initial Monitoring and request tool enhancements if needed.
  • Build, deploy, configure, manage, and prepare package for middleware application servers; Weblogic, Web Sphere MQ, MQ Server, Windows Server, Apache, IIS, CM tools.
  • On call 24/7 support for any Application & Web server related issues including weekends.
  • Coordinated wif the application team for various web sphere related activities.

Work Environment: WebSphere Application Server V5.x/6.x/7.0/8.0, IBM HTTP web server 6.0,7.0, WebSphere MQ 5.x/6.x,Oracle10g,DB2,IBM HTTP Server V6.0,LDAP,Site Minder, JDK1.6,1.7, Shell Script, Perl, IBM AIX 5.3, Tivoli Performance Viewer, JACL Scripts, Java Mail, JSP, JNDI, EJB, Servlets, O/S: AIX 5.3.

Confidential, CHICAGO, IL

Sr. System/WebSphere Administrator

Responsibilities:

  • Installation, configuration and administration of WebSphere Application Server 6.0, 6.1 and 7.0
  • Installation, Administration and Configuration of Data power XS40 and XI50 devices.
  • Involved in trouble shooting application server, web server and plug-in logs and analyzed them using Log Analyzer in case of any critical issues.
  • Configured WebSphere resources like JDBC Providers, Data Sources and Connection Pooling and tuning it and monitoring using Tivoli Performance Viewer by enabling PMI.
  • Experienced in Configuring Relational Databases like Oracle and SQL Server wif App Server.
  • Configured Admin console security on WebSphere and creating users wif various roles to access the WebSphere admin console - users and groups in LDAP and added them as WebSphere Console Groups using both admin console and wsadmin jython.
  • Responsible for documenting the various procedures involved in the day-to-day maintenance of the various environments.

Work Environment:WebSphere Application Server Network Deployment (6.0,6.1,7), IBM Data Power (XS40, XI50), iPlanet 6.1,IHS Web Server (6.0,6.1), Linux, Sun Solaris 9,10.

Confidential, VA

System/WebSphere Administrator

Responsibilities:

  • Installation, configuration and administration of WebSphere Application Server 6.0, 6.1 and 7.0
  • Created and federated profiles to the Deployment Manager using both Profile Management tool and also automated the process using manage profiles and add Node command.
  • Monitored WebSphere Application Server in a clustered and non-clustered environment.
  • Recommended and used hybrid clustering (horizontal and vertical) to make use of efficient resources on a single system and to provide for hardware failover and load balancing.
  • Used WebSphere plug-in for load balancing across the cluster members and manually updated it for remote Web Servers in the DMZ.
  • Writing JACL, an ANT and shell script in order to automate various WAS administration tasks such as JVM configuration, J2EE application deployment, ear/war installation, backups, and JVM export/import.
  • Experienced in Configuring Relational Databases like Oracle and SQL Server wif App Server.
  • Configured WebSphere resources like JDBC Providers, Data Sources and Connection Pooling and tuning it and monitoring using Tivoli Performance Viewer by enabling PMI.
  • Enabled connectives for Web Services and JMS resources wif Enterprise Service Bus for improving flexibility through the adoption of Service-oriented interfaces.
  • Configured Adminconsole security on WebSphere and creating users wif various roles to access the WebSphere admin console - users and groups in LDAP and added them as WebSphere Console Groups using both adminconsole and wsadmin jython.
  • Installation and Configuration of IBM Data Power Gateway. Involved in design, development, testing, and support services and governance for Data Power XI50 and life-cycle activities, and ensure uniform implementation of standards and best practices.
  • Configured IBM Data Power XML components, document processing rules, document processing actions, XPath Routing Map, Duration Monitor, Log targets.
  • Developed and configured firewall policies for IBM Data Power.
  • Developed and configured WS security templates, WS security policies. Configured IBM Data Power gateways, security, authentication and authorization.
  • Designed and implemented several Data power use cases - WMQ, FTP and Message transformations.
  • Update to Application Server was done using fix packs.
  • Migration of applications in WAS from version 6.0 to the current version.
  • Was involved in writing Shell scripts to automate WebSphere Admin tasks and application specific syncs / backups and other schedulers.
  • Configured multiple websites in IBM HTTP Server 6.0 and installed Plugins to proxy requests to Application Server.
  • Installed and configured both IBM HTTP Server 6.0 and iPlanet 6.1 Web Servers and plugins and configured SSL for the Web Server and plug-in communications.
  • Installed SSL certificates on the Web Servers using ikeyman tool.
  • Used Tivoli Performance tools for tuning the WebSphere environments (JVM heap size, data base connection pool size, etc).
  • Troubleshooting various issues involving the integrations of WebSphere, IBM HTTP Server, iPlanet Web Servers, LDAP.
  • Involved in opening and working on PMR’s wif IBM to solve various issues related to the environment. Enabled traces as part of troubleshooting and used collector tool to submit the logs and traces to IBM.
  • Participated in team meetings and management meetings to resolve issues related to the various environments.
  • Responsible for documenting the various procedures involved in the day-to-day maintenance of the various environments.

Work Environment: WebSphere Application Server Network Deployment (6.0,6.1,7), IBM Data Power (XS40, XI50), iPlanet 6.1,IHS Web Server (6.0,6.1), Linux, Sun Solaris 9,10.

Confidential, Albany

Middleware Engineer

Responsibilities:

  • Installation, Administration and configuration of WebSphere Application Server 5.x and 6.x.
  • Deploying and Troubleshooting JAVA applications at server and cluster levels.
  • Involved in configuration of WAS resources like JDBC Providers, JDBC Data Sources and Connection Pooling to connect to Oracle.
  • Regenerating and updating the plug-in for IBM HTTP server and iplanet web server.
  • Worked on WebSphere components such as Work Load Management (WLM), Servlet Engine, Session Manager, Admin Client and Http-Web Admin tool (thin client).
  • Used Tivoli Performance tools for tuning the WebSphere environments (JVM heap size, data base connection pool size, etc).
  • Installation, Administration and Configuration of Data power XS40 and XI50 devices.
  • Configured different services like WS-proxy, MPGW and XML Firewall.
  • Have enabled XML Security Gateway to secure hardware policy enforcement point to perform authentication, authorization, audit (AAA) and accounting functions based on the source, transport and content of incoming XML transactions.
  • Performed troubleshooting by enabling probes and analyzing logs.
  • Proficient in setting up of Nodes, Data Sources, Virtual Hosts, configuring Servlet Engines, Session Managers including planning installation and configuration of WebSphere Application Server Trace Service.
  • Implemented theClusters /Server GroupsandCluster Members /clones(Vertical scaling & horizontal scaling) for fail over and distribute the workload on WAS.
  • Configured new WebSphere queues on WAS nodes, Local queues for the application MDB’s and remote queues for connecting to mainframe.
  • Experienced in implementing Encryption, Decryption of messages for web services and web applications using SAML.

Work Environment: Java2EE, IBM Data Power, WAS (6.x, 7.x), IBM HTTP Server, Netscape iPlanet, LDAP Server, Oracle, DB2, Windows NT and Solaris.

Confidentia

WebSphere / Middleware Administrator

Responsibilities:

  • Installed, configured, administered and supported WebSphere Application Server 5.0.x/5.1.x, 6.0 on Sun Solaris Sparc, Linux (Red Hat, SuSE), AIX and Windows environments.
  • Package, build, integrate and deploy enterprise J2EE applications on WebSphere dat involves EAR (Enterprise Archives) and WAR (Web Archives)
  • Installed, configured, administered and supported JBOSS on Red Hat Linux environments
  • Installed, configured the Network Deployment Manager, Nodes and Application Servers. Federated multiple Application server nodes to the Deployment Manager
  • Created and configured clusters of servers both vertical and horizontal on federated nodes for load balancing and failover.
  • Involved in Installation and Configuration of Site Minder.
  • Installed IBM Http Server 2.0.47 and configured it wif WebSphere Plug-ins to work wif WebSphere Application Server
  • Installed IBM DB2 UDB 8.1.5 and catalogued the remote database server and database for DB2 legacy type2 drivers
  • Created J2C authentication data entries for configured data source to test database connection from WebSphere administrative console
  • Configured virtual hosts and transports for WebSphere application servers
  • Configured SSL for IBM Http Server using ikeyman utility provided wif the Http Server
  • Applied fix packs and cumulative fix packs to upgrade the WebSphere Application Server versions
  • Involved in trouble shooting application server, web server and plug-in logs and analyzed them using Log Analyzer in case of any critical issues.
  • Developed UNIX shell scripts, JACL and Jython scripts to automate the WebSphere Administration (recycling the application server, deploying customer applications, logs rotation, monitor applications state).

Work Environment: Java, Java2EE, Visual Age, WSAD, IBM WebSphere Application Server3.5/4.0/5.0, IBM MQSeries, IBM HTTP Server, iPlanet, DB2 UDB, Oracle, AIX and Solaris

Confidential

WebSphere Administrator

Responsibilities:

  • Installation and configuration IBM WebSphere 5.0 of instances on development, QA and production environment.
  • Worked wif Load Balancing/networking team to configure Application Servers.
  • Expertise in supporting enterprise based distributed applications over a wide range of operating environments on a 24/7-rotation basis for high volume, secure transactions and Web services.
  • Experience in setting up of Data Sources, Virtual Hosts, configuring Servlet Engines, Session Managers including planning installation and configuration of Tomcat Application Server Trace Service.
  • Administration and troubleshooting of working Application - starting and stopping the application Server - Regenerating/updating plug-in for Apache Web Server.
  • Enable global security for application Servers and applications using Clear Case vision by LTPA mechanism on Secure Way LDAP User Registry.
  • Experience in JBOSS 5.0 installation, configuration, clustering, AS Security, maintenance, fix upgrades, general administration, troubleshooting and performance tuning.
  • Package, build, Integrate and deploy enterprise J2EE applications on WebSphere 5.0 and JBOSS dat involves EAR (Enterprise Archives) and WAR (Web Archives).
  • Managed security and performance optimizations for JBOSS 5.0 App Server by analyzing process dumps, logs and Heap Analyzer.
  • Involved in trouble shooting and providing technical assistance for Web Hosting team on various Application and Web Servers including IBM HTTP Server, Apache Web Server, JBOSS and Netscape Enterprise Server.
  • Well versed in creating resources, modifying properties, view runtime attributes, commit modifications and securing administrative server usingAuthentication, Authorization, Certificates, Credentials, Permissions, WebSphere Resources (Servlets, JSP files, HTML files).
  • Created certificate to have secured communication between web servers and application server wif the help of ikeyman tool.

Work Environment: Tomcat Application Server, IBM HTTP Server, Apache Web Server, JBOSS, LDAP, Oracle, Windows, Linux and Solaris

Confidential

UNIX Administrator

Responsibilities:

  • Installed and configured IBM WebSphere Application Server 4.0/5.0, JDBC drivers and Servlets engines on AIX, Linux and Sun Solaris and also created user roles and groups for securing the resources using local operating system authentication.
  • 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 WebSphere Control Program (WSCP) scripts and shell scripts to automate the maintenance process of the WebSphere.
  • Installed JDBC drivers and Servlet engines on Sun Solaris.
  • Configured the extranet Web Servers and intranet application Servers using the firewalls between the Web Servers and application Servers (DMZ model).
  • Created, tested & deployed J2EE applications on WebSphere Application Server using WSAD tools.
  • Involved in deploying the EAR files and scripting automated deployment of the applications.
  • Used IBM Edge Server and Network Dispatchers for load balancing.
  • Configured the web server interfaces, session management, virtual hosts and transports for WebSphere.
  • Configured horizontal scalability of WebSphere through a mechanism called as “Cloning of multiple JVM’s” wif independent Java Virtual Machines-JVM’s, for each clone.
  • Involved in trouble shooting and Performance tuning using Resource analyzer and log analyzer.
  • Defined synchronized and persistent IBM MQSeries Queue Manager, Channel Managers and Queues

Work Environment: Java, Java2EE, Visual Age, WSAD, IBM WebSphere Application Server3.5/4.0, IBM MQSeries, IBM HTTP Server, iPlanet, DB2 UDB, Oracle, AIX and Solaris

We'd love your feedback!