Eight years of extensive experience in infrastructure implementation, deployment, testing, documentation, and maintenance of Client/Server, Web based applications in multi-tiered architecture, internet/intranet infrastructure and clustered environments.
Expertise in installation, administration, maintenance of WebSphere VE 6.1, 7.x,8.x,8.5x.WebSphere Application Server Base & Network Deployment (5.x/6.x/7.x/8.x), WebSphere Portal Server (5.x/6.x), WebSphere Process Server 6.0 on UNIX and Windows environments.
Expertise in installation, administration, maintenance of IBM HTTP Server (6.x/7.x/8.x), Apache Tomcat Server (5.x/6.x), IIS on UNIX and Windows environments.
Extensive experience on Unix Administration and shell scripting.
Extensive experience in Webserver Troubleshooting and SSL configurations.
Expertise in Firewall Access Requests and Network troubleshooting.
Expertise in installing and configuring CA Siteminder SingleSignOn software (Siteminder Web Agent and Application Server Agent).
Expertise with Job Schedulers - Tivoli Maestro (TWS) and Crontab.
Experience in working on ITCAM for Application Diagnostics 7.1
Data collection points of ITCAM.
Expertise in integrating Siteminder with WebSphere 6.x, 7.x, IBM Http Server 7.x, 8.x, IIS 6.x.
Successfully implemented WebSphere Network Deployment’s Workload Management (WLM) using horizontal and vertical clustering for failover and backup/recovery.
Expertise in transferring WebSpshere Portal databases to Oracle, Configuring external security for WebSphere Portal Server and creating WebSphere Portal Cluster using WPSconfig tasks
Expertise in performance analysis and tuning using Tivoli Performance Viewer.
Deploying different web services such as SOAP, REST, WSDL and configuring endpoint URLs.
Hands on expertise in developing wsadmin, jacl, jython, Windows Batch, UNIX Shell scripts to administer WebSphere Application Server, to automate configuration changes and to automate application deployment and using Portal Server’s xmlaccess and releasebuilder tools
Experienced at helping business teams understand their infrastructure setup as well as explaining business requirements to technical teams.
Expertise in application deployment (JAR, WAR, EAR files) and troubleshooting WebSphere Application Server, Portal Server, IBM Http Server and WebSphere MQ related issues.
Expertise in providing 24/7 on call support and various procedures in escalation and outage resolution.
Strong organizational skills, ability to work efficiently under high-pressure situations.
Versatile team player with good communication and inter-personal skills.
Ability to work independently for monitoring, installation, configuration, testing, and deployment.
Very experience as Sr. SME production support, Function as a subject matter expert for the Problem Management process
• Attend CAB meetings
• Attend and support a daily Technology operations review conference call by driving technical.
Very good experience on high-level architecture of the technology environment
Experience in active role in driving technical discussions around root cause analysis.
Working in troubleshooting problems and working very close to client.
Expertise in preparing the documentation and working with in the team.
Experienced in solving tickets/issues for the users. Using ticketing system.
Strong communication skills, both written and oral
Passionate about building high-quality systems with software implementation best practices
Ability to multi-task & support multiple priorities / multiple deliverables
Strong Analytical and Problem Solving Skills
IBM AIX, Sun Solaris 2.x (Veritas), HP-UX, Linux, OS390, Windows, RHEL
IBM WebSphere Application Server 5.x, 6.x, 7.x, 8.x, WebSphere MQ 5.x,6.x,7.x, IBM IHS 6.x, 7.x, 8.x, . 1.x, 2.x, . . 5.x,6.x, Sun ONE Web Server, Policy Server 5.5, 6.0, TAM 4.x, 5.1, IDS, iPlanet 7.x, LDAP, Wily Introscope 5.x,6.x,7.x, Sitescope,
ORACLE 8i/9i/10i, DB2/UDB7.2/8.0/9, SQL Server .5/7.0/2000 and MS-Access 2000
TCP/IP, HTTP/HTTPS, SOAP, SSL, SMTP, IMAP, POP3, DNS, Telnet and DHCP
C, C++, CICS, JCL, PL/SQL, HTML, XML, ASP, ANT, PERL and Shell scripting
IBM WSAD 5.1, RAD 6.0/7.0, ANT
LDAP, Site Minder, IBM Edge Servers, MS Proxy Server2.0
Client: CITI BANK, Irving, TX, Jan'13 - till date
Role : Sr. Websphere portal Administrator
Installation, Configuration, Administration and Maintenance of Websphere Application Server of 7.x, 8.x on AIX Servers.
Installation, configuration, Administration of IBM HTTP Server 6.x, 7.x, 8.x, Oracle iPlanet Web Server 7.x, . . 5.x, 6.x on Solaris Servers.
Configure Websphere Clusters for Fail-over Mechanisms and Load Balancing. Created Vertical and Horizontal clusters as per the project requirements.
Involved in daily application deployments (ear, war, jar, zip files).
Closely work with Unix and Security teams to validate and fix security vulnerabilities.
Develop and maintain various ND Cells to setup environment from Development to Production Environments.
Configure Reverse-Proxies for Oracle iPlanet WebServers to serve the applications hosted on the Websphere Application Server.
Configured Default Messaging system of Websphere Application Server 7.x using the JMS and configuring service integration buses.
Involved in the activities of code migration through various environments. Working with Documentum Web Publisher for code migration activities.
Installation, Configuration and Maintenance of LDAP Servers and Siteminder Authentication.
Created Data sources, JDBC Drivers to connect the Databases from the Websphere Application Servers.
Experience in working on ITCAM for Application Diagnostics 7.1
•Data collection points of ITCAM. Like ; Resource data obtained from JVM, Resource data obtained from Application Server, Operating System Data, Request Data mostly obtained using Byte Code Instrumentation (BCI).
Created Messaging resources such as Queue and Topic connection factories,
Involved in Configuring and updating IBM Http Server Plug-in to work with WebSphere Application servers on routine basis.
Trouble-shooting servers to analyze Root Cause in case of failures/problems with servers.
Documenting the steps for the best practices around the performance of WebServers, WebSphere Application Servers, LDAP, Siteminder and other Documentum Applications.
Imported and Exported ldif files to load users in to LDAP.
Working with the custom ticketing systems to help resolve the issues with any applications related to the application servers, web servers.
Working with IBM WebSphere People raising IBM PMR tickets to help resolve the issues raised in the current environments.
Applied various patches/fix-packs for the WebSphere Application Servers from Dev through Prod environments. Responsible for applying patches and fixes to WebSphere 7.x to bring it up-to-date.
On-call support (24x7) support for multiple applications.
Environment: Java, Java2EE, WSAD 5.x, IBM HTTP Server, iPlanet, Windows 2000/2003, UNIX (AIX/Solaris) and Red Hat LINUX, Netegrity SiteMinder 5.0. IBM MQSeries 7.0, IBM WebSphere Application Server 6.0/7.0, 8.0 ND, Solaris, Linux and AIX and Weblogic 10.3
Client: Dell, Austin, Texas Aug’ 11- Dec'12
Role : WebSphere Portal Administrator
Designed and implemented WPS 7.0 environment with oracle backend and site minder ldap setup.
Experience in creating dashboards and reports in Dynatrace
Provide support for the entire cycle of application testing including building applications, deploying, and trouble shooting.
Worked closely with Database Administrators to resolve database and JDBC related issues in WebSphere Application Server, Portal Server.
Used HP diagnostic tool to monitor WebSphere Applications and tuned the environment.
Designed and migrated the environment from Websphere Process server 6.0 to 7.0.1 environment including the war file and ear files.
Wrote wsadmin script for WAS admin work.
Tuned the Portal 7.0 environment
Provide the 24/7 support for WebSphere environment
Environment: WebSphere ApplicationServer5.x/6.x,Websphere MQ, AIX, Solaris9/10, IHS, IIS, iPlanet, DB2, Oracle9i.
Client: PNC Bank, Pittsburg, PA Mar’09 – Mar’11
Role : WebSphere Administrator
Installed, configured and maintaining WebSphere Application Server Base/ND/XD 7.0/6.1, WebSphere Process Server V6/V6.1 and IBM HTTP Server 6.0/7.0 in AIX, Linux and Windows.
Installed, configured and troubleshoot the applications on WebSphere Application Server in clustered environment.
Applying patches and plug-ins for WebSphere Application Server.
Installed and Administered WebSphere Portal Server V5.1/V6
Experienced in using portal update installer to upgrade WebSphere Portal versions.
Involved in configuration of WebSphere Application Server resources like JDBC Data Sources, JDBC Providers and Connection Pooling to connect to the DB2.
Integrating enterprise wide J2EE applications and deploying on WebSphere and managing security policies for different applications.
Utilized wsadmin and XML Access tools to deploy and administer WebSphere applications and portal resources.
Transferred default cloudscape database to DB2 and Oracle database.
Involved in Deployment of port lets and war files on WebSphere Portal.
Experienced in Deploying Themes and Skins and screens in Portal.
Experienced in installing the security certificates and installing Site minder for single sign on (SSO).
Used IBM Business process management (BPM) life cycle in designing, modeling, execution, monitoring, and optimization.
Design and configure eProcess V5.1, V6.2 components to provide BPM solution for Business processes
Follow BPM standards & Build the work flow and Test & deploy in process engine
Used Jacl scripts to automate administration tasks on WebSphere.
Used web site monitoring and server monitoring tool called “Site Scope” which sends the alerts and gives the reports on the site availability, also used Web Trends for web site usage statistics.
Tuned the JVM, web container, db connection pool, and web server parameters to get the maximum performance for applications.
Worked on WebSphere Edge components like WebSphere Edge caching proxy and WebSphere Edge load balancer (Network Dispatcher).
Involved in the documentation of Software installations.
Developed Load Testing Tools for WebSphere Datapower.
Configured WebSphere App server to use LDAP for Single Sign On.
Utilized Log Analyzer for performance tuning and troubleshooting.
Provided 24/7 pager support and worked with WebSphere Level2 support on PMRs in complicated issue resolution.
Experience in Jython Scripting to automate the maintenance process of the WebSphere to handle everyday System Administration tasks such as backup procedure, system cleanup, system tasks, etc.
Environment :IBM WebSphere App Server Base/ND/XD 6.x/7.x, WebSphere Process Server 5.x/6.x, WebSphere Datapower, HP-UX 11.23, Windows 2003, IBM HTTPServer188.8.131.52, Oracle 9i, DB2 9.x/8.x, Active Directory (ADAM), Site Scope, Web Access, XML, DB2, Shell scripts
Appollo Hospitals, Hyderabad, India Jun’ 08– Feb’ 09
Role: Jr. WebSphere Administrator
Setup, installation and administration of IBM WebSphere Application Server 5.0 and IBM HTTP Server.
Involved in migration of WebSphere Application Server 4.0 to WebSphere Application Server 5.0
Deployed applications (EAR/WAR) files on multiple servers/clusters and maintained load balancing, high availability and failover functionality.
Troubleshooting and administration of IBM WebSphere Application Server 5.0 and IBM HTTP Server.
Troubleshooting applications, analyzing logs to diagnose problems.
Monitoring applications and servers.
Creating PMR’s (Problem Management Record) and coordinating with IBM for problems encountered by application teams.
Configured WebSphere resources like JDBC providers, JDBC data sources, connection pooling.
Implemented creation of server groups and clusters in WebSphere Application Server.
Environment: IBM WebSphere Application Server 4.0/5.0, Oracle, Windows XP, Apache, LDAP, IBM HTTP Server, Solaris 5.8, Red Hat.
Bachelor of Technology, JNTU, India.