PROFFESSIONAL SUMMARY

Seeking a challenging and responsible position as an Application Server Administrator where acquired skills, experience and education will be used to contribute to the success of a project and further my professional skills.

• Over 9 years of IT experience and 8 years of architectural experience in designing, developing, and administering WebSphere Application Server, IBM DB2, IBM HTTP Server, IBM Directory Server, J2EE and middleware solutions, integrating WAS-ND, WMQ, WebSphere Portal Server, Apache Tomcat and IBM IHS, Apache Web Servers, JBoss, and TDS LDAP.
• Experience in a wide range of areas including design, development, testing, implementation, maintenance and support in web-server, client-server technologies and also in providing high quality software solutions.
• Expertise in Web architecture, Client architecture, components architecture.
• Expertise in administrating and monitoring of different operating systems AIX, Linux, Windows, Macintosh.
• Expertise in Design, Development, configuration and Administration of WebSphere Application Server, IBM DB2, IBM HTTP Server, IBM Directory Server.
• Extensive experience in Design, Planning, Installing, Configuring, Administering, Patching, Tuning, Troubleshooting and Integrating IBM WebSphere Application Server, WebSphere MQSeries, Apache Tomcat, Apache Http Server, IHS Web Servers, LDAP.
• Expertise in installation and configuration of Tivoli Identity Manager TIM , Tivoli Directory Integrator TDI , Connectors and Assembly lines.
• Expertise in Installation of WebSphere Application Server, IBM WebSphere Application Server Network Deployment Manager, IBM HTTP Server, IBM Directory Server, IBM DB2 on both AIX, Linux and Windows Platforms.
• Expertise in Installing and Configuring Network Deployment Manager to create Clusters and Cluster Members and manage the Application servers.
• Expertise in Installation of refresh packs and fix packs for WebSphere Application Servers.
• Experience in Setting up of Nodes, Data Sources, Virtual Hosts, configuring Servlet Engines, Session Managers.
• Expertise in Maven scripts.
• Expertise in Deployment of Ear, war, jar files.
• Expertise in setting up JNDI, JMS.
• Expertise in Implementing JAAS that enables services to authenticate and access controls upon users, supports user-based authorization.
• Planned and implemented Disaster recovery plan.
• Extensive experience in implementation of Workload Management WLM using cloning and clustering techniques including Horizontal and Vertical Scaling for failover and backup/recovery processes
• Expertise in administration of automatic backup disaster recovery plan for servers workstations.
• Sound knowledge on Performance Tuning mechanisms for WebSphere Application Server, Data Base, Web Server.
• Worked on Tivoli Identity Manager TIM for creating organization structures, users, roles, policies.
• Configured Workflows in TDI.
• Worked on Tivoli Directory Integrator with connectors and assembly lines.
• Experience implementing Authentication and Authorization systems LDAP , which includes Tivoli Directory Server in WebSphere Application Server and Portal environments.
• Installed and configured WebSphere Process Server 6.2 using the Golden Topology and good working knowledge on human tasks and business Processes
• Installed and configured WebSphere Portal in single-node and clustered environment.
• Expertise in administering WebSphere portal server.
• Highly experience in Perl, Shell, JACL and Jython scripting for administration, maintenance, in automating the WebSphere maintenance tasks and troubleshooting written scripts for ALL day-to-day activities both WAS and shell.
• Experience in migrating the applications to and from various versions of Application Servers.
• Experience in 24X7 on-call production support and in managing security and remote computing issues.

EXPERIENCE:

Confidential

Sr. WebSphere Administrator/Middleware Engineer

Project Description:

Confidential Sr. WebSphere Administrator, Support 24x7 and Maintenance of WebSphere Application Server, IBM HTTP Server. I support and maintain SOA Service Oriented Architecture Infrastructure, support and upgrade the existing Software's to latest fix packs. I'm expert in Installation/ Administration and Maintenance of Websphere Application Servers, IBM HTTP Server, create/configure/maintain WAS and clusters, configuring JVM's and webserver instances, deploying the application code, testing, providing support. This project includes 24x7 support on call, answers to technical questions regarding applications, emergency modifications and corrections, support during application failure.

Responsibilities:

• Involved in transitioning much of the Infrastructure support and application support to IBM from Kaiser Permanente for Java applications.
• Involved in a variety of projects for both J2EE applications, which involved building the development environment, configuring JVM's and webserver instances, deploying the application code, testing, providing support and following the procedure in other higher environments including QA, UAT, Load and Production making sure there will be no issues.
• Involved in installing, creating, configuring and troubleshooting Websphere Application Server 6.0/6.1/7.0/8.5 on AIX, Redhat Linux and Windows NT platforms.
• Worked extensively on installing and configuring webservers, which include IHS 6/6.1/7.0, IIS and involved in troubleshooting and recovering the application.
• Involved in creating and renewing certificates for those applications, which use SSL. Created self signed certificates and imported comodo certificates using the Ikeyman tool.
• Created user roles and groups for securing the resources using Local OS Registries.
• Worked on setting up Mutual authentication from webserver to applications.
• Involved in enabling global security using custom ldap registry and also maintained some of the ldap servers, which include adding users and accounts to ldap.
• Installed, configured and administered WebSphere Portal Server 7.0 on RHEL environments.
• Deployed themes and skins, portlet resources in a clustered environment, Administered and Managed Pages, portlets, layouts and contents and managed access, users and groups in portal server.
• Worked on installing configuring Websphere Process Server 6.2, deployed SCA modules, deployed ear files in a golden topology and created user roles and groups.
• Worked on message engines, filestores and keystores for applications that use JMS/MQ. Configured SIB and was involved in configuring Queues, Topics and connection factories.
• Involved in configuring single-signon SSO using netpoint webgate and accessgate. Also reconfigured webgate to renew the simple certificates when they tend to expire.
• Involved in Manual build and automated build of all environments using ANT templates.
• Created scripts using Jacl/Jython templates for deployment, daily/weekly recycle of JVM's and log rotation and rolling out logs.
• Collected MustGather information using IBM ISALITE and other tools including collector script and also generated heap dumps and core dumps for further investigation.
• Configured Queue Managers, Queues and JMS.
• Experienced in setting up 3tier architecture.
• Involved in applying patches, which include fix packs and refresh packs as recommended by IBM.
• Experienced in troubleshooting high CPU usage issues.
• Experienced in identifying the memory leak and connection leak issues.
• Expertise in using IBM support assistant tool for identifying different kind of issues.
• Configured session persistence in a cluster using replication domain. Tested the application during different failover conditions.
• Experienced in coordinating DEV, Build, QA teams to promote the code changes to production environment by following the change management process.
• Worked with IBM Level2 premium PMR Support to resolve various issues that needed further investigation and effort. Also involved in determining the RCA, for high and critical incidents and documented the prevention plan.
• Extensive use of Remedy and involved in various training sessions related to change management and Process Management.
• Involved in all the meetings, like the update meetings, problem management meetings and project intake meetings with team leads and client and ensured that the technical requirements were met prior to getting started with the project.
• Worked on migration for WAS 7.x Servers to WebSphere Application Server 8.5.
• Involved in 24X7 pager on-call support on a rotation basis to provide support to all the applications, which involved low, medium, high and critical incidents and ensured that the business wouldn't be affected.
• Documented all procedures and other important issues.

Environment: WebSphere Application Server 8.5/7.0/6.x, IBM HTTP Server 7.0/6.1/6.0, WPS 6.2/7.5, WMQ 7.5, AIX 5.x/6.x, RedHat 5.3, Windows 2000/2003, J2EE, LDAP, IIS 6.0, DB2, ITCAM

Confidential

WebSphere Administrator WebSphere Application Server

Project Description:

I worked on IBM suite with clients, in setting up the environments, installation, configuration of Websphere Sphere Application Server, IBM HTTP Server. This is on AIX. This project includes 24x7 support on call, answers to technical questions regarding applications, emergency modifications and corrections, support during application failure, preventive maintenance activities like periodic execution of application health checks and maintenance of D2P documents.

Responsibilities:

• Installation of WebSphere Application Server v6.0.2.9.
• Installation of refresh pack 6.0.1 and fix pack 6.0.1.1 for WebSphere portal ,FP 19 for WebSphere Application Servers, FP 2 for WebSphere Process Server.
• Configured page layouts, locking mechanisms, virtual portlets, portal URLs, customized portal themes and skins author and deploy templates.
• Administered WebSphere Portal applications, which included configuration, clustering, administration, performance tuning, deploying portlets/ pages, for portal applications.
• Experienced in deploying and debugging applications in Base and WAS-ND.
• Installed WebSphere Commerce feature packs instances.
• Installation and Administering IBM WebSphere Commerce Server.
• Configured WebSphere Portal with IBM HTTP Server v6.0.
• Implemented both Vertical and Horizontal Clustering Environment using WebSphere Application Server Network Deployment Manager.
• Configured the web-server interfaces plugin-cfg.xml and httpd.conf file , session management, virtual hosts, included custom modules provided by IBM on some PMRs.
• Developed ear, war and jar components on IBM WebSphere Application Server.
• Developed shell scripts, JACL scripts that automate the WebSphere Administration recycling the application server, deploying customer applications, logs rotation, monitor applications state, etc, .
• Troubleshoot using logs, Log Analyzer for activity logs, Thread Analyzer for thread dumps, custom shell scripts.
• Designed Security strategy SSL/Firewalls between tiers, defining/implementing Security Roles/Policies, LDAP, JAAS and OS/WAS level Patch/fix maintenance
• Involved in securing the J2EE applications by implementing Single Sign On by using LTPA.
• Well versed and hands on experience in creating resources, modify properties, view runtime attributes, commit modifications and securing administrative server using Authentication, Authorization, Certificates, Credentials, Permissions, Principals, Realms, Single Sign On and User registry.
• Performance tuned WAS by configuring caching, queuing, pooling, heap size and other JVM parameters
• Performed identification and resolution of the overall infrastructure problems/issues providing permanent solutions by root cause analysis
• Defined standards, best practices and metrics for installing, configuring, monitoring, reporting, auditing.
• Analyzed existing AIX infrastructure and recommended modifications that will enhance capacity and meet business requirements when migrating to Solaris.
• Defined standards for cell names, node names, clusters, cluster members, logs, virtual hosts, J2C aliases, JDBC Providers, data sources, TAM junctions, wily Settings and the like enforced using custom shell, jacl config, deploy scripts.
• Used garbage collection to evaluate application performance health and detected the presence of memory leaks.
• Configured global security in WAS using LDAP, custom and local repositories.
• Performed capacity planning for the application by analyzing Tivoli Performance Viewer statistics, garbage collection logs
• Isolated application components causing rapid memory allocation which was immediately dereference causing garbage collection/application thrashing..
• Wrote stop, start, deploy, backup scripts for cell, node agents, clusters, servers, IHS servers, logs, transferring plug-in file to multiple IHS, synching static content on IHS, copying virtual hosts and host aliases and the like.
• Enabled the performance monitoring service and to monitor and analyze the data with Wily Introscope.
• Daily Monitoring of application health using customized Wily dashboards and alerts.
• Implement virtual portals to enable sharing of resources and easier maintenance of the system.
• Creation of Users and Groups and Given ACL's to the pages based on their Privileges.
• Involvement in writing scripts to handle everyday Websphere System Administration tasks using shell scripting and CRONJOBS.
• Administering WebSphere Application Server.
• 24x7 on-call support on a rotation basis.

Environment: IBM AIX Operating System v5.3, IBM WebSphere Application Server 6.0.2.19, IBM HTTP Server v6.0, Oracle 10g Enterprise Edition, Oracle Internet Directory Server, IBM MQSeries.

Confidential

WebSphere Administrator WebSphere Application Server

Project Description:

I used to support IBM Internal accounts, the administration of WebSphre Application Sever, IBM HTTP Server and configuring Global Security, Active Directory Server. This project includes 24x7 support on call, answers to technical questions regarding applications.

Responsibilities:

• Installation of WebSphere Application Server v6.0.2.17 and DB2 Server.
• Installation of Tivoli Access Manager.
• Configured Active Directory Server 2003 with Websphere Portal.
• Installed, configured, administered, troubleshot, tuned WAS ND and WMQ on NT, AIX, and Solaris for multiple high profile projects
• Developed logical security application architecture integrating WebSphere Application Server, Web Server, LDAP Directory Server and implemented Single Sign-On security
• Deployed application ears on WebSphere Application Server Network Deployment in QA, Staging and Production environments on a daily basis and troubleshot various configuration and application issues
• Profiled all the J2EE Applications and worked with Application Development, and QA teams to resolve possible memory leaks, improve application integrity, performance and resolve all issues, bugs before deploying in Production
• Performed WebSphere Configuration backup and restoration using scripts.
• Utilized skills in Perl, batch, shell, and WSADMIN/JACL scripting to automate deploying, updating applications, migrating data and automating batch jobs
• Implemented both Vertical and Horizontal Clustering Environment using WebSphere Application Server Network Deployment Manager.
• Implement virtual portals to enable sharing of resources and easier maintenance of the system.
• Creation of Users and Groups and Given ACL's to the pages based on their Privileges.
• Administering WebSphere Application Server.
• Support of Windows 2000/2003 Server, Linux, TCP/IP network.
• Worked on weekly build deployments.
• Worked on proactive monitoring.
• Worked on WAS and Java tuning.
• Planned and implemented Disaster recovery plan.
• Troubleshot problem-tickets, worked with developers to identify the root cause and resolve the issue or propose a potential work around
• Worked with application teams and helped them to understand how the logic execute threads work and the corresponding equivalent impact on memory on other JVM settings as well CPU performance on the hardware. Produced thread dumps to analyze the application relative to increases in other inputs e.g. initial JDBC connections and Queue Length.
• Configured enterprise applications and corrected performance problems by monitoring server availability and resource utilization analysis.
• Managed multiple high profile, complex projects and implemented with minimal disruption to end-users.
• 24x7 on-call support on a rotation basis.

Environment: Microsoft Windows 2003, IBM WebSphere Portal Server v6.0.1.1, IBM WebSphere Application Server 6.0.2.17, Active Directory Server 2003, IBM Tivoli Access Manager for e-business v6.0, IBM WebSEAL, IBM HTTP Server v6.0, IBM DB2 Server v8.2, Lotus Domino Server v7.0 and Lotus Quick Place Server v7.0.

Confidential

WebSphere Administrator WebSphere Application Server

Project Description:

I worked on IBM suite with clients, in setting up the environments, installation, configuration of WAS, installation of IBM HTTP Server, configuring and webserver instances, deploying the application code, testing, providing support. This project includes 24x7 support on call, answers to technical questions regarding applications.

Responsibilities:

• Installation of WebSphere Application Server v6.0.2.17, IBM HTTP Server v6.0.
• Experience in deploying and debugging applications.
• Installed, configured and administered Apache Http Server
• Installed and configured Tomcat server and deployed applications on it
• Configured two cell production environment with 15 nodes, 28 application servers
• 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.
• Migration of WebSphere Portal Server 5.0.2.2 to WebSphere Portal Server 6.0 using XML ACCESS scripts.
• Deployment of war files and Updation of war files.
• Giving permissions for users and groups.
• Implementing JAAS that enables services to authenticate and access controls upon users, supports user-based authorization.
• Implementation both Vertical and Horizontal Clustering Environment using WebSphere Application Server Network Deployment Manager.
• 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
• 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 Coordinated with different Application Groups for Hot Deployment and Dynamic Reloading of the Applications.
• Involved in troubleshooting and resolving problems encountered when implementing models.
• Maintenance of all Portal Servers, debugging and troubleshooting.
• Wrote ANT scripts for cluster and server creation, deploying applications, configuring data sources, restarting servers.
• Support of Windows 2000/2003 Server, TCP/IP network.
• Remote control servers and routers using Webmin, SSH, VNC.
• 24x7 on-call support on a rotation basis.

Environment: IBM AIX Operating System v5.x, IBM WebSphere Portal Server v6.x, IBM WebSphere Application Server 6.x, Domino Server v6.x, Oracle 10g.

Confidential

Production Support

Project Description:

Confidential project provides production support to the Apple client applications. This project is responsible for the smooth functioning of the Apple client applications in production environment. APS provides 24 hours production support to the Apple client by means of the Global Delivery Model, where the Offshore and Onsite teams work in sync to support the Apple client business. This project includes 24x7 support on call, answers to technical questions regarding applications, defect analysis and resolution, emergency modifications and corrections, scheduling jobs, support during application failure, preventive maintenance activities like periodic execution of application health checks and maintenance of D2P documents.

Environment: Macintosh iMac, UNIX, Shell Scripting, Oracle, PL/SQL.

Confidential

Title: Windows Systems Administrator

Responsibilities

• Scan and remove virus.
• Defray the hard drives on computer functioning too slowly.
• Remove and clean up registering the clean-up software.
• Remove unused files and software to put the software all the computer in their functional order.
• Ensure a smooth functioning of all the system.
• Repair and maintain the computers and servers.
• Configure new hardware, install and update the software packages.
• Create and maintain computer networks.
• Look after physical and investigative processes, including technical support.
• Look into the data storage devices.
• Looked after the networking hardware, including routers, switches, fiber optics, and wireless networks.

Environment: Windows 2000 Server, Windows 2003 Server, Windows NT Server, Windows XP.