OBJECTIVE:

• Looking for a challenging position in Information Technology that involves new Web Infrastructure Technologies, Challenging tasks, Interactive teamwork and Cutting edge technologies.

SUMMARY

• Expertise in System engineering, WAS / Websphere Commerce installation configuration tuning trouble shooting issues
• Expertise in Installation, Configuration, Trouble - Shooting and Maintenance of IBM Websphere Application server 8.x/7.x/v6.1/v5.1.x/5.0.x, IBM HTTP Servers 8.x/7.x/6.x/5.x,Websphere Portal Server 5.x/6.x/7.x on UNIX/LINUX/Windows platforms.
• Expertise in Resolving Remedy Ticket issues including root cause analysis.
• Deployed applications in WAR, JAR and EAR formats on Websphere servers and clusters, configuring JDBC and MQ resources.
• Excellent knowledge of end to end ecommerce monitoring technologies .
• Work on Web Operations team including 24/7 ecommerce website monitoring/support/System Engineering
• Expertise in managing SSL certificates
• Well versed at enabling Global Security for WebSphere environment using LDAP server.
• Experienced in applying patches, Fixpacks, Cumulative Fix packs for all versions of WebSphere application server and different flavors of Web Servers
• Expertise in development of JACL scripts and shell scripts using WSAdmin to automate the WebSphere regular maintenance tasks.
• Expertise in Ticket management using Service Manager.
• Experience in architecting distributed systems using J2EE Technologies for various services and integrated with IBM HTTP Server.
• Experience in WebSphere extreme scale server for caching ecommerce catalog data and other dynamic content.
• Expertise in using Batch Job Scheduler Control M.
• Performance Analysis and Load Balancing, Shell scripting to automate system administration jobs.
• Familiarity with Software Configuration Management, Technical Event Management and Real-time Operating Systems.
• Expertise in developing wsadmin scripts (Jython, Jacl) and Shell scripts to administer and automate batch job scheduling including backup and recovery processes.
• Good Team player possessing excellent communicational skills, self-starter and self motivated.Problem Determination through the log files and rectified the problems or interacting with IBM support to solve problems.
• 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 critical applications.
• Experience with determining any performance issues resulting from configuration or poor coding techniques.

TECHNICAL SKILLS

Application/Web Servers: WebSphere Application Server v8.x/7.x/6.x/5.x, JBoss, Apache Tomcat, IBM HTTP Server, WebServices,Websphere Commerce server, Web Sphere Portal Server 5.x,6.x, MQ/ MB, IHS 6.x/ 2.0.47/1.3.28/1.3.26/1.3 , Apache 2.0.47, 1.3.28

Operating Systems: Unix Sun Solaris/AIX, Redhat Linux, Windows NT/ 2000/2003/2008 Server.

Databases: Oracle 10g/ 9i/ 8i, SQL Server 2000/2005, DB2UDB 9.x / 8.x, Sybase and MS-Access 2000

J2EE Technologies: J2EE1.4/1.3/1.2, Java2.0, Servlet, Java Beans, EJB, JSP, JDBC, JNDI, RMI, CORBA, Java Swing /AWT, XML, HTML, DHTML, Jacl, JavaScript, Jython, Perl and shell Scripting.

Messaging Technologies: MQSeries 5.x/6.x.

PROFESSIONAL EXPERIENCE

Confidential, NC

Senior Middleware Administrator

Responsibilities:

• Installation and configuration for IBM Websphere Application Server 6.x/7.x/8.x and Websphere commerce server 6.x / 7.x, IBM HTTP server 6.x/7.x on AIX/Windows platform.
• Involved in installation /Configuration of Sterling Commerce DOM (Distributed Order Management).
• Responsible for the 24/7 Monitoring /Web Operations Support /System engineering
• Created Horizontal clusters on App servers for Load Balancing and Failover mechanism.
• Deployed application ears in clustered WebSphere Application Server for Dev, Test, UAT and Production.
• Configured MQ series objects like Queue Manager, Queues, Active Specifications, Connection Factories and Queue Connection Factories.
• Code deployment for Commerce application EAR.
• Built Unix Shell /AWK scripts on need basis.
• Implemented Horizontal and Vertical Clustering, Performance tuning and trouble shooting of IBM WebSphere Application Server 6.0/6.1/7.0/8.0.
• Configured MQ series objects like Queue Manager, Queues, Active Specifications, Connection Factories and Queue Connection Factories.
• Responsible for maintaining the webservers, HTTP plug in installation and configurations and creating WebSphere clustering topology
• Code deployment for Commerce application EAR.
• Manage Commerce management Center
• Manage Commerce registries using Commerce Admin console / IBM Java API
• Performed Apache rewrites for SEO
• Set-up security permissions in Websphere environments to authenticate against LDAP servers to access Websphere consoles and secure it using SSL.
• Used iKeyMan tool to create new SSL certificate requests, renew and update new SSL certificates
• Created the required jar, war and ear files of the application to be deployed on the Websphere Application Server using ANT.
• Worked on troubleshooting Java applications using WAS logs, traces, Log Analyzer, Resource Analyzer.
• Used Tivoli Performance Viewer (TPV) and Wily Introscope to identify performance bottlenecks including application memory leaks, server process degradation, database connections, http threads, etc.
• Setup conference calls in the event of a PROD outage or slowness and efficiently resolve the issues as quickly as possible by getting all the concerned teams together and co-coordinating the effort.
• Involved in troubleshooting the root cause for Web Sphere Commerce Production outage and minimized environment downtime during On Call Support.
• Deployed Multiple Files and Single Files by using DMGR & WCBD.
• Created Users with Roles by using DMGR.
• Installed and configured remote WebSphere plug-in for IBM HTTP Server. Manually updated plug-in files for IHS servers located in DMZ.
• Involved in trouble shooting and fixing day-to-day problems of the applications in production.
• Involved in documentation of everyday activities and maintaining the doc-library.

Environment: IBM WebSphere Application Server 6.1/7.x/8.x, IBM WebSphere MQ 6.1/7, IBM WebSphere Commerce Server 6.x/7.x, iPlanet, Wily Introscope 9.x, Tomcat, IBM DB2, Redhat Linux, AIX 5.3/6.1, Windows, Tivoli Access Manager 5.1.

Confidential - Portland, ME

WebSphere Administrator (WAS, WPS)

Responsibilities:

• Installed, configured and maintained Websphere Application server 5.x/6.x/7.x, Apache/IBM HTTP server, Weblogic servers on AIX.
• Installed and configured Websphere Extended Deployment Manager (XD) 5.1/6.0.2/6.1 ).
• Supported WebSphere failover process between clustered servers.
• Debugged cache failover issues and guided development teams to resolve these issues.
• Installed, configured and administered IIS v6, IBM HTTP web server v6.1 and IBM WAS v6.1 servers.
• Installed, configured and administered WAS 6.1 for Web Services Feature Pack (WSFP).
• Monitored WebSphere application servers on Wily monitor for better performance.
• Identified and resolved issues related to Wily.
• WAS profiles mismatch within same application environment were fixed using IBM Visual Configuration Explorer and IBM Support Assist (ISA) Workbench.
• Weekly meetings with development and other web teams to discuss the status on ongoing projects.
• Configured application servers and web servers in both vertical and horizontal cluster environment for high availability.
• Created DMGR and application server profiles with multiple JVMs on AIX, Windows environments. Federated these nodes on multiple machines to DMGR.
• Created JDBC resources and various data sources for DB2, Sybase, Oracle, Teradata and RPC.
• Created JMS resources (SIB, Queues, Topics, Queue & Topic Connection factories, Queue and Topic destinations, Activation Specifications, Listener Ports).
• Enabled Global security using remote LDAP servers and LTPA.
• Created new SSL configuration for enterprise applications and configured web container transport chains to this newly created SSL configuration.
• Created LDAP user roles with various roles for users to access WAS console.
• Configured application servers for high performance on production systems.
• Fixed several WAS security issues on staging and test environment.
• Administered virtual portals, portlets from WP admin console.
• Added users and groups with various roles to access Portal resources.
• Added and deleted consumed portlets from Portal console.
• Added portlets to virtual portal pages in specified order.
• Created pages with existing portal themes, skins and assigned users permissions to these pages.
• Applied fix packs for WAS, WCS and WebSphere Portal on AIX, Suse Linux and Windows.
• Used the Tivoli performance viewer to monitor the performance of the system.
• Tuned JVM, JDBC connection pooling, JMS resources for high performance.
• Generated HEAP dumps and Javacores and analyzed them to determine problems on test environment.
• Resolved WebSphere issues during the upgrades of AIX and MQ.
• Monitoring application log files, Application Server Performance, and tuning for DB Pool connections.
• Installing fix packs for WebSphere.
• Installed and configured Siteminder for IBM HTTP Servers on AIX.
• Installed and configured Wily Introscope agent for WAS.
• Configured and administered MQ V6, WMB V6, and WCM V6.1
• Work with Operations and Helpdesk to set up monitoring and alerts.
• Edit mapping files to put in URL rewrites or redirect statements.
• Working on SEV1s for several servers for problem determination
• Troubleshooting issues related to SSO, authentication and authorization, as well as troubleshooting LDAP issues.
• Wrote scripts to perform remote deployment of J2EE application in some environments.
• 24x7 on-call production support for WAS, WP and WCS servers on AIX/Suse Linux/Windows platforms.

Environment: IBM Websphere Application server 5.x/6.x/7, IBM WebSphere Portal Server, MQ 5.3/6/0, IIS 5/6, DB2 7.x/8.x, IIS 6.0, APACHE 2.0/2.2, IBM HTTP Server 1.3.x/2.0.x/6.0, Windows 2000, IBM Directory Server 5.1, WTE 5.1.1, IBM WebSphere Studio Application Developer (WSAD) 4.0, HTML, Java Script, XML, JSP, Servlets, ANT.

Confidential, San Diego CA

Application Support Systems Administrator

Responsibilities:

• Installed WebSphere Application Server/Network Deployment Manager using horizontal and vertical clustering and scaling on windows platforms and troubleshooting and providing WebSphere Admin support to e-Business applications.
• Supported a mission critical production environment by providing 24x7 diagnostics of issues reported via the Service Desk, End user and business.
• Establish and maintain effective working relationships with end-users.
• Give on-call support in production environment on web-based applications.
• Performance Tune WAS by configuring caching, queuing, pooling, JVM parameters.
• Configuration of Network Deployment for Centralized Management of Applications.
• Configuring of JDBC Providers, Data Sources, Virtual Hosts, Global Security, SSL, and LDAP
• Expertise in clustering design and administration.
• Assign/escalate issues to Technology, Operations, and/or Vendor(s) where appropriate
• Maintained documentation, e.g., master list of production application, database universe, workflows, hardware environment etc.
• Provided production support reports and statistics to upper management
• Responsible for finding root cause of issue and providing the permanent solution
• Coordinated with other teams and team members to follow up and close production related issues.
• Providing training to the end users of the MFO applications and day to day interaction with end users
• Enforce application security by adding and maintaining user account access
• Generate reports for Client requirements
• Monitor and maintain ticketing system to ensure all new and repetitive bugs and issues
• Responsible for production deployments.

Confidential

Systems/Network Administrator

Responsibilities:

• Installed, supported and maintained new server hardware and software infrastructure.
• Allocated network resources andset up user accountsand maintain active directory,user policiesand passwords.
• Create and modify for designing the web pages for the database deposition.
• Responsible for the database administration with SQL, Oracle.
• Develop the queries for the data retrieval for reporting process of management.
• Train users and consult on the system.
• Analyses the system and make necessary changes and modifications.
• Suggested and provided IT solutions to business and management problems.
• Ensured that all IT equipment complied with industry standards and analyzed and resolved faults, whether it was a major system crash or a forgotten password.
• Undertook routine preventative measures and implemented, maintained and monitored network security, particularly when the network connected to the internet.
• Provided training and technical support for users with varying levels of IT knowledge and Competence.
• Supervised other staff, such as help desk technicians.