Application System Administrator Resume
Memphis, TN
SUMMARY
- 7 years of experience in Planning, Installing, Configuring, Administering, Tuning and Troubleshooting IBM WebSphere Application Server, IHS and Weblogic Fix Packs.
- Experience in monitoring and maintaining multiple Applications in Development, QA, Staging and Production Environments.
- Experience in deploying J2EE components on WAS 5.1/6.0/6.1/7.0 using WAS Admin Console, wsadmin/JACL scripting.
- Expertise in different UNIX platforms such as AIX, Sun Solaris and Linux
- Highly experienced integrating WebSphere Application Server ND and related software including IBM HTTP Server, SunONE Web Server, iPlanet Directory Server (LDAP), JInfonet, JReports.
- Highly experienced deploying and debugging application ears in Base and ND WebSphere Application Server providing load balanced and highly available clustering solutions.
- Configured and Secured Webserver interface, Session management, WebSphere resources, J2C resources, connection factories and JMS resources in IBM WebSphere 5.x/6.x.
- Experience in writing JACL scripts to automate the build process.
- Strong skills in SQL/PL/SQL programming.
- Experienced in DNS, LDAP, FTP, Remote Access, Security Management and System Troubleshooting skills.
- Good at Performance monitoring using Tivoli Performance Viewer etc.
- Excellent analytical and logical programming skills with a good understanding at the conceptual level.
- Extensive knowledge in J2EE concepts EJB, Servlets, JSP, JDBC Connection Pooling.
TECHNICAL SKILLS
Software: IBM WebSphere Application Server 5.x, 6.x, 7.x, 8.x WebSphere Portal Server 5.1.x, 6.x, IBM HTTP Server, Sun ONE Web Server, LDAP, WebSphere MQ 5.3, 6.0, IIS, Apache - Tomcat, IBM HTTP Server 1.3.26/2.0.47.2/6.0/6.1 , iPlanet
Monitoring Tools: Wily Introscope, Tivoli Performance Viewer, Thread Analyzer, Log Analyzer, Sitescope
Hardware/OS: IBM AIX 5.x/6.x/7.x, Sun Solaris(Veritas), Linux, Windows
Languages: C, C++, COBOL, JSP, EJB, JNDI, SOAP, JMS, PL/SQL, HTML, XML, ASP, PERL, JACL, Jython, JAVA.
Databases: SQL Server, IBM DB2/UDB, Oracle 8i, 9i, 10g Informix
Web Technologies: Servlets, JSP, J2EE, JMS, EJB (Including MDB), Struts, Swng, JDBC, JNDI, RMI
Networking: Firewalls, NFS, NIS, LAN, WAN.
Protocols: TCP/IP, DNS, HTTP 1.1, LDAP, RMI/IIOP, SOAP, WSDL, FTP,SSH.
Testing Tools: WinRunner, TestDirector and LoadRunner.
Scripting: -Jython, Python, JACL, TCL, HTML, XML, PERL Shell Script, Java Script.
PROFESSIONAL EXPERIENCE
Application System Administrator
Confidential
Responsibilities:
- Working on the Websphere Application Server ND migrations from v6.1 to v7 on all AIX, LINUX and SOLARIS Servers.
- Troubleshooting the Server Issues on appropriate time
- Checking the status of eligibilities for medicare and medicate transactions on requests.
- Working on all HTTP Traces according to found stone tickets Enable/Disable.
- Working with the Websphere Developer to know the updates changes on Dev Environments.
- Working on Websphere Application Servers Maintenance to be up-to date according to REMEDIATIONS.
- Working on idm - Access Manager and updating the oracle support if we have some issues on IDM SERVER.
- Working on SSL Certificates, we have our noted company Owned certificates to be updated every year.
- Applying fix pack and interim fixes on web servers, and worked on server maintenance.
- Responsible to move the application from development to integration and production
- Create a Message Driven Bean to process the Serialized object from the queue and update the transactions in the Main database.
- Performance monitoring on emerging problems.by Tivoli performance viewer
- Responsible move the application from development to integration and production environments.
- Performance tuning on Sitescope server for achieving optimum performance
- Responsible shifting the database Main Database to Backup database using the JSPs.
- Implemented the Bean Managed Transactions.
- Design and implementation of MDB
- Created the Smoke Test Environment for QA and SIT Testing. provided 24x7 application support on DEV/QA/PROD environments
- Monitoring the server statistics of IBM WebSphere Server through SiteScope WebSphere Performance Servlet via a WebSphere Performance Servlet.
Environment: WebSphere AS 6.1/7.0, LDAP, Novell, ILOG, Linux, Solaris 10,WebLogic 10, Windows 2000, DB2 8.2, J2EE, XML, XSL, JMS, AIX 6.x/7.x,LINUX. Tivoli performance viewer (TPV), Sitescope.
WebSphere System Administrator
Confidential
Responsibilities:
- Installed, configured and administered IBM WebSphere Application Servers 5.x and 6.x in standalone and Network deployment servers on AIX, Sun Solaris and Linux platforms using profile creator in implementation of Horizontal and Vertical scaling of WebSphere Application Server (WAS) for workload-management which involves modeling and creating cluster members on same and distributed physical systems services.
- Installed & configured WebSphere VE 6.1 and upgraded with fix packs.
- Installed IBM HTTP Server 2.0.47.1/6.1 and Apache 2.x on different nodes and configured them by generating the plug-in from NDM Administration Console.
- Created profiles using Profile Creating Wizard and silent profile creation.
- Worked on Performance estimation and tuning for the WebSphere Application Server system. By Sitescope server
- Configured Global security for WebSphere with LDAP using Active Directory Server, novell eDirectory and also using local OS.
- Created dynamic clusters and deployed applications on dynamic clusters.
- Involved in Creating and Managing the Nodes, Application Server’s, Cluster’s and Deployed Multiple J2EE and .NET Applications.
- Performed migration of applications from WAS 5.0 to WAS 6.1.
- Applied updates and security patches for WebSphere Application Servers and also migrating WebSphere application server 5.x to 6.0.
- Used Wily Introscope to monitor performance issues for the web application on WAS server.
- Profiled all the J2EE Application’s and worked with Application Groups in improving performance of application and possible memory leaks in application before deploying.
- Worked on deployment of J2EE Applications involved in Creating Cluster’s for Load Balancing and FailOver, Configuring Resources like JDBC Provider, Creating Virtual Hosts, Shared Libraries, JNDI Configurations, EJB References, Creating Environment Variables, and Configuring Session Management.
- Involved in Creating Shell Scripts, ANT and Jython like Automation of Startup and Shutdown Processes.
- Interacted and Co-ordinate with different Application Groups for Hot Deployment and Dynamic Reloading of the Applications.
- Deployed application WAR, JAR, and EARs on WebSphere Application Server Network Deployment in QA, Pre-Production and Production environments on a daily basis and troubleshoot various configuration and application issues.
- Wrote JACL, Jython, ANT, UNIX Shell scripting for administration, maintenance, troubleshooting, batch processing and automating the processes.
- Installed and configured SSL certificates using Ikeyman tool and openssl to provide secure data transmission to WebSphere environment.
- Expertise in implementing Service Oriented Architecture (SOA) with XML based web services (SOAP, UDDI, WSDL).
- Experienced in using Heap dump, core dump & Thread Analyzers for troubleshooting problems.
- Worked on applying fix patches for Websphere application and portal server.
- Federated multiple nodes to a deployment manager and involved in migrate the applications from WebSphere Application Server 5.x to 6.0 and 6.1.
- Applied Fix packs and Cumulative fixes to WebSphere Application server.
- Troubleshooting production issues, Worked on resolving Application Server Hang issues and High memory and CPU issues in WebSphere Application Server 6.0.
- Verified the commerce installation and applied Fix pack to WebSphere Commerce server.
- Worked on Enforcing Application wide Authentication and Authorization Services using LDAP.
- Used Wily Introscope performance monitoring tool to monitor the performance related issues on Web applications.
- Provided technical and production support for both online and batch environments of existing systems.
- Provided on call support by 24x7 shift rotation basis and monitored trouble ticket queues to attend user and system calls.
Environment: WebSphere VE 6.1.0.3, IBM WebSphere Application and Portal Server v5.x,6.x, AE/5.0.x, IBM MQ Series 6.0, IBM HTTP Server, Apache Web Server, Sun Solaris, Windows 2000, LDAP, Java, J2EE, JSP, Servlets, EJB, XML, JDBC, JavaScript, .NET, Wily Introscope, SiteMinder 6.0, ATG, Oracle, DB2, HTML, JACL scripts.
WebSphere Administrator
Confidential, Memphis, TN
Responsibilities:
- Performance estimation and tuning for the WebSphere Application Server system.
- Worked in building, configuring and setting up Testing and Production Environments and tested and supported the project according to Business Rules and specifications.
- Installed IBM HTTP Server 1.3.26 on different nodes and configured them by generating the plug-in from NDM Administration Console.
- Configured and Enabled the Global Security System for WAS Administration for Console users and Console Groups using Active Directory Server as a LDAP User Registry.
- Involved in Creating and Managing the Nodes, Application Server’s, Cluster’s and Deployed Multiple J2EE Applications
- Involved in Creating Shell Scripts like Automation of Startup and Shutdown Processes
- Interacted and Co-ordinate with different Application Groups for Hot Deployment and Dynamic Reloading of the Applications.
- Involved in troubleshooting and resolving problems encountered when implementing models.
- Provided technical and production support for both online and batch environments of existing systems.
Environment: IBM WebSphere Application Server 5.1/6.1, IBM DB2,J2EE, AIX 6.x, solaris 9 and Windows 2000, LDAP, NOVELL, IBM HTTP Server, Apache, IIS
WAS Administrator/ Production Support
Confidential, Bridgeport, CT
Responsibilities:
- Performance estimation and tuning for the WebSphere Application Server system.
- Worked in building, configuring and setting up Testing and Production Environments and tested and supported the project according to Business Rules and specifications.
- Installed IBM HTTP Server 1.3.26 on different nodes and configured them by generating the plug-in from NDM Administration Console.
- Configured and Enabled the Global Security System for WAS Administration for Console users and Console Groups using Active Directory Server as a LDAP User Registry.
- Involved in Creating and Managing the Nodes, Application Server’s, Cluster’s and Deployed Multiple J2EE Applications
- Setting up horizontal clusters for Work Load Management (WLM) and Failover support
- Profiled all the J2EE Application’s and worked with Application Groups in improving performance of application and possible memory leaks in application before deploying.
- Deployment of J2EE Applications involved in Creating Cluster’s for Load Balancing and FailOver, Configuring Resources like JDBC Provider, Creating Virtual Hosts, Shared Libraries, JNDI Configurations, EJB References, Creating Environment Variables, and Configuring Session Management.
- Involved in Creating Shell Scripts like Automation of Startup and Shutdown Processes
- Interacted and Co-ordinate with different Application Groups for Hot Deployment and Dynamic Reloading of the Applications.
- Involved in troubleshooting and resolving problems encountered when implementing models.
- 24x7 on-site operations support in an environment with over 200 Servers
Environment: IBM WebSphere Application Server 4.0.x/5.0,IBM HTTP Server, Apache, IIS, IBM Db2/UDB, Oracle, AIX 5.x, Solaris and Windows 2000.
System Engineering - WebSphere
Confidential, Minnesota
Responsibilities:
- WebSphere production support and administration on UNIX.
- Installed and configured WebSphere Application Server 6.0 and IBM HTTP Server 6.0/2.0.x on Aix and Solaris
- Installed Process Server 6.0.2.0 on various machines and also involved in trouble shooting of the installations.
- Involved in developing Unix shell scripts like JACL scripts for WebSphere Administration and as well as changing the port numbers of already existing profiles, restarting the servers and shutting down the servers.
- Involved in various Trouble shooting issues on Security problems.
- Worked with all kinds of Database issues on Oracle, and involved in Troubleshooting of various Schemas.
- Extensively coded WSCP scripts and shell scripts to automate the maintenance process of Web Sphere App Server.
- Managed and Administered workloads, server groups and clones in WebSphere.
- Configured and extensively used the Web sphere security and authorization features
- Responsible for scheduling immediate changes, identification of problem determination and implementations.
- Involved in connecting the DB2 and Oracle8i databases with various environment servers.
- Actively involved in monitoring server performance, network traffic to reduce performance bottlenecks. Configured the web server interfaces, session management, virtual hosts and transports for Web Sphere.
- Involved in Design of E-Business system with features like high-availability and application fail-over.
Environment: WebSphere Application Server 5.0/6.0 and IBM HTTP Server on Aix and Solaris, Oracle and J2EE.
WebSphere Administrator
Confidential
Responsibilities:
- Worked as a Systems Administrator supporting 4-Serv internal Network Infrastructure and Data Center. Responsible for uptime of Ford Motor Company’s and other Client Websites hosted at 4-Serv.
- Extensively used Remedy to check on the incidents and acted on them as per the SLA.
- Installed, Configured and Administered Windows 2000/2003, Redhat and Suse Linux.
- Installed and configured WebSphere, Oracle, IBM https Server, F/W, on Linux and Solaris.
- Installed, configured and administered windows 2000/2003, Active directory, Exchange Server 2000/2003, DNS, DHCP, ISA server, VPN, SQL 7.0/2000, Oracle Database, IIS and various different Applications for maintaining the infrastructure.
- Designed disaster recovery for the whole Network, configured Backups using Backup exec to a Dell tape library.
- Installed, configured, administered and supported WebSphere Application Server 4.0/5.0
- Installation of multiple instances of IBM WebSphereV5.0 on the same machine, Coexistence of multiple Application Server (Base) instances, multiple Deployment manager instances, and different versions of WebSphere as well.
- Installing fix packs and cumulative fixes, federating Node to the Deployment Manager.
- Involved in meetings with development leads and architects for setting up environments.
- Developed several deployment artifact documents including, network diagrams, deployment diagrams and DMZ topology documents.
- Secured application server and Admin repository in DMZ Topology.
- Designed Workload Management (WLM) and Failover models for high availability SAL apps.
- Coordinated product updates with development teams.
- Supported 6.0+ Tomcat Servers in heterogeneous environment including windows and Linux Servers.
- Actively participated in change control, applied patches, made scheduled maintenance during the change control window
- Responsible for Support and reliable maintenance of the applications.
Environment: IBM WebSphere Application Server 4.0/5.0.2,Tomcat, IHS. Oracle 8i/9i/10, UNIX (Redhat and Suse Linux), Win2000/2003, Sql Server 7.0/2000, Backup Exec 9/10, MS ISA, IIS 4/5/6, Tivoli.