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Server Manager

Location:
Vienna, VA, 22180
Posted:
March 22, 2017

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Resume:

PARAMESHWAR

WEBSPHERE ADMINSTRATOR

aczfnu@r.postjobfree.com

SUMMARY:

7+ years IT experience of IBM WebSphere Administration.

Experience in setup, installation and administration of IBM WebSphere Application Server 5.x, 6.x, 7.0 and 8.0 Base, Network Deployment, Apache Tomcat 6.0on various Operating Systems like SUN Solaris 2.8,solaris 9, AIX 5.1/5.2, RedHat Linux9.1, and Windows 2000/2003 Server.

Experienced in integrating WebSphere Application Server ND and related software including IBM HTTP Server 6.0/6.1/7.0, Apache 2.2, IIS 5.0/6.0/7.0 and SunONEWeb Server.

Configured WebSphere Application Server with different databases like DB2, Oracle and SQL Server.

Migrated existing applications from WebSphere Application Server 5.0 to 6.0 and 6.1 to 7.0 on UNIX, Linux and windows platform.

Experienced in configuration WebSphere Application Server cells, nodes, clustering, application servers, virtual hosts and session management, configuring web server plug-ins, IBM HTTP Server, Tivoli Directory Server (LDAP).

Hands on experience in deploying, implementing, testing and support of full life cycle implementations of various J2EE and distributed applications.

Successful implementation of Workload Management (WLM) using clustering techniques including horizontal and vertical clustering for fail over processes, backup and recovery processes on WebSphere application server.

Installed and Configured WebSphere Extended Deployment Manager XD (VE) 5.1/6.0.2/6.1.

Created build definition file to generate customized installation package for WebSphere XD.

Configuring of JDBC Providers, Data Sources, Global Security, SSL, and LDAP.

Experienced in installing Fix Packs and Cumulative fix packs and Migrating to latest versions.

Worked as LDAP and Webserver administrator. Worked exclusively on the end-to-end implementation and maintenance of Single Sign ON.

Experienced in installing the security certificates and installing Siteminder for single sign on (SSO).

Implemented authentication and authorization permissions to web resources and installed SSL certificates on the web servers using IKEYMAN.

Troubleshooting Production issues, worked on resolving Application Server Hang issues, High memory and CPU issues.

Used Heap Analyzer and thread Analyzer to analyze the Heap and thread dumps.

Upgraded to JDK 1.3.1 SR6 / JDK 1.4.2 SR 7 or higher to resolve memory leaks.

Involved in Creating Shell Scripts like Automation of Startup and Shutdown Processes.

Used the built-in “scheduler” feature to schedule nightly/weekly batch jobs.

Good at Performance monitoring using Wily Interscope, HP Diagnostics, Resource Analyzer and Tivoli Performance Viewer, VCOP tool, Splunk, dynatrace.

Used change control tools like Remedy, HP Service Manager.

Experience in operational 24/7 Support, troubleshooting, monitoring and maintaining multiple Applications for high volume, and secure transactions.

QUALIFICATIONS:

Bachelors in Technology (ECE) from JNTU, India.

TECHNICAL SKILLS:

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

App/Web Servers: IBM Web Sphere Application Server 5.0/5.1/6.0/7.0/8.0, Apache Webserver 1.2.2/1.3/2.2, IBM HTTP Server 1.3.26.2/ 2.0.42/2.0.47/6.0, Tomcat 8.0, iPlanet Directory Server, Netscape Enterprise Server.

Database: ORACLE 10g/8i/9i, DB2/UDB7.2/8.0, SQL Server.5/7.0/2000, MS-Access 2000 and Sybase

Java/J2EE/Web Tools: HTML, Java Script, DHTML, XML, XSL, XSD, CSS, Applets, AWT, JFC (Swing), J2EE 1.2/1.3, JDBC, Servlets, JSP, Java Beans, RMI, EJB, JNDI, JAXP, JMS, Java Web Services using JAXM, JAXP, SOAP, WSDL, UDDL.

Languages: Perl, C/C++, SQL, UNIX Shell Scripts

Development Tools: IBM RAD 6.0/7.0, AAT, Apache ANT, Lotus Notes.

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

PROFESSIONAL EXPERIENCE:

AMERICAN AIRLINES, FORT WORTH, TX

MAY 2014 – TILL DATE

WEBSPHERE ADMINISTRATOR/ APPLICATION SUPPORT

RESPONSIBILITIES:

Installed, configured and administered IBM WebSphere Application Server 7.0/8.0 and IBM HTTP server 7.0/8.0 on AIX/Linux platform.

Experienced in migrating WebSphere Application Server 7.0 to 8.0.

Experienced in administering apache Tomcat 8.0.

Installed EARs, WARs and configured application specific JVM settings, Web container parameters using the Admin Console.

Installed and configured Apache and Oracle9i/10g database to work with WebSphere Application Server.

Installed Dynatrace to monitor the webservers and JVM’s CPU usage.

Installed and configured Splunk to monitor the application logs and setting up the alerts.

Managing and Monitoring the JVM performance by WebSphere Heap Size, garbage collection, JDBC Pools.

Configured WebSphere resources like JDBC providers, JDBC data sources, connection pooling, Implemented creation of Server groups and clusters in WebSphere Application server.

Worked closely with Java developers to troubleshooting critical Java applications. This includes reviewing application error logs, Java code and making recommend code changes in order to fix critical issues.

Generating Heap Dump and Thread Dumps during Out of Memory Exception. Analyzing the generated dumps using IBM tools like Heap Analyzer, Thread Analyzer.

Used LTPA for authentication for enable the global security

Configured the WebSphere load balancing utilizing WebSphere workload Management including horizontal and vertical topology.

Responsible for Setting up the DEV, TEST and Staging environments for the ongoing application development.

Used Tivoli Performance Viewer to monitor WebSphere Applications and tuned the environment accordingly like changing the JVM Heap and Connection Pool sizes.

Creating PMRs (Problem Management Record) and Coordinating with IBM for problems encountered by Application Teams.

Assembled and Deployed the application in staging, in productions, following change management practices and 24/7 support, worked in shifts.

Responsible for monitoring TA alerts for the LNIATA’s, which are, configured in Terminal Table (TML) for stations.

Involved in documentation of everyday activities and uploading to SharePoint.

ENVIRONMENT: IBM WebSphere Application Server 7.x/8.x, Tomcat 8.0, Apache 2.2, IBM DB2, AIX, Sun Solaris, Linux, IHS Web Server 7.0/8.0, Tivoli Performance Viewer, Tivoli Performance viewer, Oracle 10g, DB2, SABRE, Service Now, VCOP tool, Splunk, SOAP, SOTI, SQL Developer.

AMERICAN INTERNATIONAL GROUP (AIG), FORT WORTH, TX

WEB SERVER ADMIN AUG 2013 – APR 2014

RESPONSIBILITIES:

Installed and configured IBM Http Server6.1/7.0, WebSphere Application Server Network Deployment (ND) 6.1/7.0 on AIX/Windows platform.

Installed the refresh Packs and Cumulative fixes to WebSphere ND v7.0 environment for WebSphere, plugins and IHS.

Created and Configured Profiles, Nodes, Node Groups & Clusters for WebSphere Application Server.

Installed and configured IBM http server 7.0 and IIS 6.0 web server.

Configured Web server plug-in to directing dynamic requests to application servers for load balance in clustered environment.

Deployed the applications in staging, in productions following change management practices both from the command line using Wsadmin commands and from the admin console.

Managed IIS 6.0 Web server and hosted web sites.

Planning and configuring new internal & external websites.

Worked on web server optimization and performance.

Root cause analysis and fixing the Windows / IIS Web Server Related issues.

Involved in enabling WebSphere global security using Local OS and LDAP/LTPA mechanism, SSL configuration and Ordering digital certs for Pre-prod and Prod environments.

Configured admin console security on WebSphere and creating users with various roles to access the WebSphere admin console – users and groups in LDAP and added them as WebSphere Console Groups.

Involved in issues like Application not responding. Application Deployment Errors, Wrong Database host name, Server Hung due to out of memory or thread hanging, Owner ship issue.

Managing and Monitoring the JVM performance by WebSphere Heap Size, garbage collection, JDBC Pools Responsible for Architectural Design, Implementation and periodic testing and support of Web Environments with respect to High Availability and Disaster Recovery.

Coordinated the Disaster Recovery test and worked with the application teams and the vendor in troubleshooting.

Analyzed log files to detect and troubleshoot server and application problems. Used the Trace feature to resolve issues.

Troubleshooting Admin Server start-up issues, Java code defects after deployment, and classpath issues by checking the JVM logs, plug-in logs and the web server logs.

Involved in documentation of everyday activities.

ENVIRONMENT: IBMWebSphere application Server ND 6.1/7.0, IBM HTTP Server 6.1/7.0, IIS web server 6.0, LDAP, Java, J2EE, JSP, Servlets, EJB, JDBC, ORACLE 8i/9i/10g, DB2 V7.1/8.1, HTML, Linux, AIX 5.3/5.2,Windows 2003,solaris 9/10, HP Service Manager, Repliweb tool, JIRA.

STATE FARM INSURANCE, BLOOMINGTON, IL

WEBSPHERE ADMINISTRATOR

JUL 2012 – JUL 2013

RESPONSIBILITIES:

Responsible for configuring, Maintaining and troubleshooting the WebSphere Application Server 6.0/6.1 environment and IBM HTTP server 6.1/7.0, Apache Tomcat 6.0 on AIX and Linux platforms.

Worked as a WebSphere Administrator and implementing solutions for Customer Satisfaction and Monitor applications.

Build, deploy, and administer applications in WAS and Webserver environments.

Installed and Configured IBM WebSphere Application Server, JDBC Drivers and Servlet Engines along with troubleshooting and recovery on AIX, Solaris and Windows.

Set-up security permissions in WebSphere environments to authenticate against LDAP servers to access WebSphere consoles and secure it using SSL.

Configured database resources like JDBC Providers, Data sources, and security resources like JAAS authentication (J2C) aliases in order to provide connectivity to Oracle, DB2.

Expertise in Configuring IBM Workspace Web Content Management 6.0.

Used Tivoli Performance Viewer (TPV) and HP Diagnostics to identify performance bottlenecks including application memory leaks, server process degradation, database connections, http threads, etc.

Tune databases resource configurations including connection pooling, timeouts.

Troubleshoot problems with WebSphere websites in all environments including Production using knowledge of the end-to-end architecture, log files (IHS plug-in and WebSphere log files).

Responsible for research and implementation of latest software and fix packs for WebSphere Application Servers and some development tools.

Troubleshooting Admin Server start-up issues, Java code defects after deployment, and classpath issues by checking the JVM logs, plug-in logs and the web server logs.

Generated & Propagated plugin-cfg for web servers and troubleshooted plug-in regeneration problems.

Performed routine management of WebSphere Environment like monitoring Disk Space, CPU Utilization and resolved dynamic cache problems.

Strictly followed the change control procedures for production environment changes.

Worked with different teams (Application, Database, Networking, UNIX teams) in investigating the root cause of the issues and finding out the permanent fix to the issues.

Used SharePoint document libraries and lists for document management and for intranet activities.

Responsible for identify source and severity of problems include debugging and diagnosing issues and directing them to the proper client support team and transfer resolution knowledge to other technicians who are having assigned ticket.

Created IBM PMRs and worked closely with IBM for resolving multiple issues.

On-call support (24x7), Monitoring and maintaining multiple Applications running on IBM WebSphere Application.

ENVIRONMENT: IBMWebSphere application Server 6.0/6.1, IBM HTTP Server 6.1/7.0, HP Diagnostics, LDAP, Java, J2EE, JSP, Servlets, EJB, JDBC, ORACLE 8i/9i/10g, DB2 V7.1/8.1, HTML, Linux, AIX 5.3/5.2, HP Service Manager.

NORTHERN TRUST BANK, CHICAGO, IL

MIDDLEWARE ADMINISTRATOR APR 2010 – JUN 2012

RESPONSIBILITIES:

Installed WebSphere Application Server 6.1/7.0 ND and created dmgr, Application server profiles.

Installed WebSphere Application Server 6.0 XD and created dynamic clusters and configured ODRs.

Created build definition file to generate customized installation package for WebSphere XD.

Installed and configured IBM HTTP Server 6.1 and IIS 6.0.

Involved in installing the WebSphere Application Server binaries, nodes, federation of nodes, Creating Profiles, Application Server, Clusters.

Configured WebSphere Variables, Shared Libraries, Virtual hosts, Data Sources, URL providers, MQ Connection factories, Plug-in configuration.

Extensively involved in migrating the J2EE Applications, which includes setting up new Research, Dev, Test, Pre-Production and Production Environments from WebSphere Application Server 6.0 to WebSphere Application Server 6.1, WebSphere Application Server 6.1 to WebSphere Application Server 7.0

Responsible for deploying enterprise applications from Admin console and enabling security using LTPA and LDAP for WebSphere Application Server.

Generated http plug-in config and updated webserver plug-in after deploying applications in a clustered environment.

Responsible in the installation of Tivoli Directory Server 6.1/6.2 on AIX and Windows platforms.

Responsible in the installation and configuration of Tivoli Access Manager 6.0/6.1 on AIX and Windows platforms.

Installed internal and external Applications on Dedicated or shared Cells.

Enabled global security for WebSphere Application Server console.

Enabled SSL security between WebSphere Application server and IBM HTTP Server. Monitor the Expiration on Certificates and update them before they expire.

Expertise using WebSphere edge technologies for load balancing on the IBM HTTP Server.

Hands on experience in WebSphere administration using command line tools.

Experienced in Installing and Upgrade Fix Packs, Cumulative fixes for all versions.

Responsible for managing patch levels, building out environments, configurations, assisting developers.

Responsible creating Junctions on Tivoli Access Manager WebSeal.

Responsible creating Users, Groups, ACL’s and POP’s on Tivoli Access Manager.

Responsible for providing security for new enterprise applications like creating policy, rules, realms, single sign-on, access control using Tivoli Access Manger, Tivoli Directory Server.

Implemented authentication and authorization permissions to web resources and Installed SSL certificates on the web servers using IKEYMAN.

Responsible for finding out any issues that arise on the web servers by analyzing access logs, error logs and plug-in logs located on the same.

Responsible for setting up setting JVM Heap sizes, connection pooling on WebSphere Application Server.

Involved in trouble shooting by running traces and collecting heap dumps.

Used Wily Introscope to determine application bottlenecks to dig-out which modules are consuming excessive resources.

Experience using Tivoli Performance viewer, Wily interscope for application performance monitoring and tuning.

Responsible for creating and tuning J2C connection factories, Activation specifications, Queue connection factories.

Provided 24/7 on Call Support on a rotational basis during the weekend and at night.

ENVIRONMENT: WebSphere Application Server 7.0/6.1/6.0, IBM Http Server 6.1/7.0, IBM, Apache Web Server 1.2.2/1.3/2.0,Tivoli Directory Server 6.1, RAFW 7.1.x, Tivoli Access Manager WebSeal, IBM AIX, Windows 2003 Server, Solaris 8/9/10, Wily 7.1/7.0,DB2UDB, MSSQL Server, Load Director, Remedy.

K-CEAR TECHNOLOGIES, INDIA

DEVELOPER/ANALYST

JUN 2009 – DEC 2009

RESPONSIBILITIES:

•Involved in the full life cycle implementation of the project including analysis, design, and development.

•Involved in the project during development, testing and implementation.

•Understanding the system requirements: Interacted with the end users to understand their requirements and expectations from the system being developed.

•From the clients input, prepared a Software Requirement Specification (SRS) document.

•Deployed Applications in WebSphere Application Server.

•Coded Servlets and JSP to process requests.

•Wrote Action classes and Form beans for Model that calls a Java business Object (EJB) and generate results.

•Wrote Custom tags using Tag Library Descriptor (TLD).

•Data stored and retrieved in Oracle 8.0 database.

ENVIRONMENT: Java, J2EE, Servlets, JSP, Custom Tags, EJB, XML, JDBC, Java Script, HTML, Oracle 8.0, Windows NT, Sun Solaris, UML and WebSphere application server 6



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