E-mail:- acrzhk@r.postjobfree.com

Rama Epuru Ph No: - 913-***-****

IBM Certified WebSphere Administrator

IBM Certified pSeries AIX System Administrator

SUMMARY: -

Over 14+ years of IT experience in Managing Infrastructures which includes installation, configuration, Deployment and management of enterprise applications using WebSphere Application server 5.x./6.1/7.0/8.5, Websphere Process Server 6.1/7.0

Experience in Managing,installing & Configuring Vignette Content management V6/V7.3.1.1

Experience in installing & Configuring Websphere Portal Servers 6.x

Extensively worked with webservers & experience with webservers (Apace/IHS/iPlanet/IIS)

Very proficient in applying/renewing SSL’s on all types of webservers.

Configured Siteminder webagents for all flavors of webservers Apache/IHS/iPlanet/IIS w.r.t the SUN/AIX/Windows.

Experienced in applying patches and plug-ins for WebSphere application server and WebLogic

Extensive experience in Java server technologies including message-oriented middleware and XML web-services and object relational mapping frameworks & Solid understanding of XML/XSLT/SOAP/WSDL Web Services expertise.

Experience in Shell scripting (bash, ksh) to automate administration batch jobs including backing up WebSphere Admin repository.

Experience in Workload Management (WLM) for WebSphere using horizontal and vertical clones and clustering.

Building high available, scalable, redundant, high throughput WebSphere environment systems using clustering, multi cell and multi node methods.

Dynamically react to changing business requirements with the ability to install new versions of a process and migrate running processes to a new version

Configuring security, performance tuning, troubleshooting the issues in WebSphere environments.

Experience in installation, configuration, troubleshooting and performance tuning of IBM WebSphere Application Server, Process server on zOS

Experience in working with CA Siteminder, IBM Tivoli Directory Server for authentication and authorization.

Ability to define System requirements, recommending solutions, analyze capacity and makes appropriate modifications

Configured and Secured Web server interface, Session management, WebSphere resources, J2C resources and connection factories in IBM WebSphere 8.0.

Expertise in implementing backup and recovery of volume groups and file systems on AIX and Sun Solaris..

Firm understanding of all aspects of the Solaris Operating System including kernel internals, shells, file systems and sockets.

Expertise in MQ Series Administration tasks including intercommunication setup between Queues, Triggering MQ Queues, Clusters and Repository Queue Managers.

Hands on experience with database like DB2 and Oracle10g/9i/8i.

Experience is installing I-planet & IHS Webservers and troubleshooting the related issues.

EDUCATION: - Bachelors in Engineering Manipal India

AIG New Jersey Mar 2010 Till Date

Sr.Webphere Administrator

Responsibilities / Contribution:

Managing the Architecture & Installation, Configuration and support existing systems for WebSphere Application Server 6.1/7.0/8.5

Managing WebSphere Process Server 6.2 for z/OS installation, validation, performance testing/tuning, failover testing, troubleshooting production issues, isolating issues from process servers and other environments

Managing with Process Server Components like BPM topologies like Business Process Choreographer applications, Business Flow manager, BPC Explorer and Business Rules Manager

Handled Integrated Applications Failed Event Manager, installed various J2C resource adapters like MAIL, JDBC

Experienced in Service Oriented Architecture understanding of business process choreography terminology

Design, maintain HA operational model, optimized scalability, capacity planning

Dynamically react to changing business requirements with the ability to install new versions of a process and migrate running processes to a new version

Installed & Deployed Pega(BPM) applications on Z/OS

Configured WebSphere MQ queue connection factories & WebSphere MQ queue destinations in WAS console

Design, maintain HA operational model, optimized scalability, capacity planning

Implemented Workload Management (WLM) on zOS WAS Network Deployment (ND) environment using multi servant cloning and clustering techniques including process server topologies.

Involved in capacity planning of the servers that host the WebSphere Application servers, Process server and their applications.

Experience in administration of WebSphere with the help of wsadmin using Jacl, Jython Scripts.

Enabled security and configured SSL between WebServer, WebSphere Application Server, Process server and Data Power

Involved in upgrading/migrating Websphere application serve and WebSphere MQ components.

Involved in WebSphere Process Server for z/OS installation, validation, performance testing/tuning, failover testing, troubleshooting production issues, isolating issues from process servers and other environments.

Implemented service provider/consumer message infrastructure using MQ/JMS, Data Power and Service Integration Buses & Messaging Engines.

Experienced in Service Oriented Architecture understanding of business process choreography terminology.

Worked with the subject matter experts to design/architect the infrastructure and application monitoring requirements for web-based environments, worked with QA groups to assist in the stress testing and results analysis, and responsible for infrastructure performance and scalability benchmarks for web-based applications

Enabled the security for WebSphere Application server 6.x/7.x by configuring it with the LDAP server.

Responsible for establishing Single Sign On (SSO) between the Siteminder & HIS

Good Command in implementing and troubleshooting WAS/zWAS/MQ components to provide better guidance during Production issues using Managing Server and TEPS interface.

Identifying End-End slow response transaction flow using SOA and TT agents on top of ITCAM for Websphere.

Empowered basic knowledge to team members on how to use those ITCAM technologies and how does it work in presentations and documents.

Worked closely with IBM folks on ITCAM PMRs during MS 6.1 to 7.1 JVM config upgrades.

Configured HTTP/HTTPS urls in ISM profiles and setup basic alerting system with the help of actual ITCAM admins.

Created basic Portal workspace for different applications teams based on their requirements.

Performed Root Cause Analysis and involved in 24/7 production support including change management procedures, troubleshooting and monitoring.

Configured WebSphere Application Server on multiple platforms for both horizontal and vertical clustering for Work Load Management, fail over and High availability.

Environment: WebSphere Network Deployment 8.5/ 7.0/6.x,WPS 6.2/7.0, IHS 7.0/6.x, LDAP, Siteminder6.5, Z/OS, DB2, ITCAM 7.0, PegaPRPC 6/ 5.5.Sun OS 10.5

IBM New Jersey Jun 2008 – JAN 2010

Sr. Web Engineer

Responsibilities / Contribution:

Managing,Installing & Configuring IBM Http servers, Websphere Application servers on all Environments namely Development, QA & Production Environments

Extensively involved design, planning, work flow and architecture for web based applications

Migrated WAS 4.0 Applications to WAS 6.0

Configured multiple App servers which compromises vertical & Horizontal clustering

Deploying ear files & as wall as new fix packs of JDK, Plug-in, WAS etc.

Configured WebSphere resources including JDBC providers, JDBC data sources, connection pooling. Deployed Session and Entity EJB’s in WebSphere.

Defined the Global security for WAS console/applications & dealt with issues related to LDAP authentication mechanisms

Deployed J2EE based Applications in WAS & tuning J2EE based Applications on Clustered environments

Configured WebSphere MQ queue connection factories & WebSphere MQ queue destinations in WAS console

Worked with Tivoli Work Scheduler & automated the Maestro jobs for daily stop & start the apps according to the Business SLA

Worked with the Application Development team from the very beginning phases of a project to insure that all proposed technologies and solutions are met the business requirements

Provided the design/architectural lead and assistance to all of Enterprise Technology for the deployment and operational support of applications

Worked with other subject matter experts to build the DEV, QA and Production environments, and assist in the process of performing the necessary tests and due diligence on the latest technologies

Worked with the Project Managers to help size the necessary level of involvement from Internet Engineering throughout the life of an application from the very beginning phases to production deployment

Worked with the subject matter experts to design/architect the infrastructure and application monitoring requirements for web-based environments, worked with QA groups to assist in the stress testing and results analysis, and responsible for infrastructure performance and scalability benchmarks for web-based applications

Responsible for monitoring the application and all the servers on a daily basis.

Involved in writing and executing UNIX shell Scripts.

Involved extensively in trouble shooting the issues and finding out root cause analysis.

Worked closely different groups as the application was integrated with other products.

Worked closely with vendors during trouble tickets and also in coming to a solution.

Involved in testing of the web URL’s and software installed and versions migrated.

Used Tivoli Performance tools (TPV and TPA) for monitoring and tuning the WebSphere environment (JVM heap size, data base connection pool size, etc).

24/7 on-call production support and troubleshooting issues related to WAS, IHS & LDAP

Environment: WebSphere Network Deployment/Portal 6.x/5.x/4.x,Websphere Portal 6.x/5.x,WCM, IHS 6.x, IIS 5.0/6.0, LDAP, AIX 5.3, Oracle 10g/9i Tivoli Work Scheduler.

MetLife New Jersey Oct 2005--May 2008

Sr. Websphere Administrator

Responsibilities / Contribution:

Installed, Configured & upgraded WAS for all QA, DR and Production environments

Installed and configured the I-Planet & IBM HTTP Web servers on Sun platform.

Installed Vignette CMS, CDS & JSP-APE page generator

Created & configured the web instances on I-Planet & IBM HTTP Web servers

Responsible for installation and configuring (set up and registration with policy server) of Netegrity Siteminder Web agents for iPlanet web server/IHS

Extensively worked with Siteminder upgrades from version 5 to 6(5QMR7 – 6QMR4)

Expertise in Weblogic installation, configuration,clustering, load balancing and performance tuning

Involved in troubleshooting Weblogic Node Manager Administration

Responsible for doing the code deployments across different environments using vignette utilities.

Responsible for writing the programs tasks for vignette work flow

Involved in customizing the out of the box CMS to suit MetLife security policies.

Managed offshore team for team size of four.

Involved in configuring the NSAPI plugins with Vignette Dev and Live CDS.

Involved in optimizing/tuning the vignette as per load demand.

Involved in writing the cron jobs to execute vignette clear cache tasks.

Created new collections, parametric indices for a new tenant getting onboard for the Enterprise Search Platform using Verity

Performed requirement gathering and capacity analysis for the Verity search usage

Developed familiarity with Verity dashboard and command line interface

Acted as a liaison to engage Autonomy (Verity vendor) for bug fixes, patches and upgrades.

Responsible for installation and configuring (set up and registration with policy server) of Netegrity Siteminder Web agents for iPlanet/IHS/IIS

Extensively worked on issues like High CPU & memory leaks to identify the bottlenecks by analyzing the thread dumps & heap dumps

Responsible in Creating/Configuring websites on all webservers IIS/HIS/iPlanet

Very proficient in writing & executing Jacl/Jython scripts.

Analyzed the results for Stress & Performance test & made necessary configuration changes to over come the performance issues.

Installed & configured Reverse proxy plug-in for iPlanet web server

Configured Reverse proxy features, Data Encryption and Load Balancing

Extensively worked with configp utility while upgrading Vignette from 7.3.0.4 to 7.3.1

Configured magnus.conf & corresponding obj.conf to initialize the Reverse proxy in iPlanet web server

Responsible for setting customized Siteminder Logins, Access Control Lists (ACL's), Custom error responses on iPlanet web server

Used Wily Performance tools for monitoring and tuning the Web Sphere environment (JVM heap size, data base connection pool size, etc).

Tuned necessary JVM arguments Initial Heap, Maximum heap,New size, Survivor Ratio & Perm w.r.t the performance of the Application

Used WebSphere plug-in for load balancing across the cluster members.

Responsible for troubleshooting networking issues, opening tickets for DNS changes, firewall requests

Was responsible for checking setup rules on Cisco Content Services Switch (CSS), deploying Keep alive scripts used to implement fail over.

Responsible for writing and deploying shell scripts to automate various tasks like start and stop scripts, log rotation, working with KAL files.

Experience to enterprise class system monitoring tools (Wily, Tivoli). Experience with the best in class site monitoring tools such as Wily & Tivoli

Practical experience using Configuration Management tool such as StarTeam for versioning, build/deployment management and integration

Environment: WebSphere Network Deployment/Portal 6.1/5.1.1.13,Weblogic 8.1, iPlanet 6.1, IHS 2.0.47.1, IIS 5.0/6.0 Vignette 6.0/7.0, Netegrity Siteminder 6.X, Sun Solaris 8.0, Sonicwall (for security -SSL), J2EE, Global Site Selector, Nokia PIX (NAT forwarding), Oracle, SQL Server, Star Team, Verity

City Furniture Fort Lauderdale Jun 2005--Sep 2005

Sr. Websphere Administrator

Responsibilities / Contribution:

Responsible for Installation, Configuration and support existing systems for WebSphere Application Server 6.0

Installed IBM Http servers, Websphere Application servers on all Environments namely Development and Production Environment

Installed DB2 UDB 8.2server for all the environments

Installed DB2 Everyplace 8.2 for all the environments

Enabled the SSL for Production environment

Deployment of new versions/fixes of portal application

Deployment of themes and Skins

Architected and implemented the reusable scripts using Jython/JACL

Performance tuning of the application on WebSphere Application Server

Deployment of new fix packs of JDK, Plug-in, WAS etc.

Created the databases and executed the ddl scripts according to the business requirements

Typically involved in deploying and unpackaging the EAR file, making necessary configuration changes to the files and then repackage it, and then deploy/ install the EAR on the WAS server

Responsible for monitoring the application and all the servers on a daily basis

Worked closely with vendors during trouble tickets and also in coming to a solution

Worked closely different groups as the application was integrated with other products.

Environment: -DB2 8.2, DB2 Everyplace8.2, Windows 2003, WebSphere Portal/Websphere6.0, IBM HTTP Server, Siteminder 5

Sprint Kansas City Jul 2004--Jun 2005

Sr. Websphere Administrator

Responsibilities / Contribution:-

Responsible for Installation, Configuration and support existing systems for WebSphere Application Server 5.0.

Installed IBM Http servers Edge servers, Websphere Application servers on all Environments namely TDL, New loads, Load Fail over, Third party and production environments.

Deployed and managed portal applications in portal server. Involved in customizing portal applications and administering users, pages and portlets and securing IBM WebSphere Portal 5.1

Responsible for maintenance and Systems administration of many Aix systems.

Installed and Configured Edge proxy servers for Load Balancing.

Installed & configured the Jboss Application Server.

Typically involved in deploying and unpackaging the EAR file, making necessary configuration changes to the files and then repackage it, and then deploy/ install the EAR on the WAS server.

Extensively involved design, planning and architecture.

Installed, Configured, upgraded IBM AIX 5.0 on IBM RS 6000 machines.

Extensively used SQL queries to interact with data base

Installed & Configured DB2 Connect according to business needs

Responsible for Installation, Configuration and testing of IBM DB2 UDB database and IBM HACMP.

Defined synchronized and persistent IBM MQ Series Queue manager, Channel Managers and Queues.

Involved in migration of DB2 version 7.2 to version 8.2.

Experience in problem tracing, performance tuning, trouble shooting of problems related to the applications deployed on WebLogic Application Server

Worked with BEA WebLogic Technical Support in resolving the critical issues by analyzing the respective thread dumps, server hangs, server crash, logs and config files and did a follow up on the open cases

Performance Tuning by Managing and Monitoring the JVM performance by WebLogic Heap Size, garbage collection, Execute Threads, EJB Cache size, JDBC Pools and Multi pools

Responsible for resolving the issues related to WebLogic server in an integrated environment of IPlanet and Siteminder policy servers

Supporting WebLogic installations involving multiple clusters, multiple machines, and multiple server instances

Environment: -DB2, AIX, Websphere5.0,Weblogic 6.1, Z/OS, IBM Edge Server,JBOSS, CICS, Apache, Lotus Notes, Parlay Gateway, SunSolaris8.0, J2EE, LDAP, XML, UML, JavaScript, DB2 Utilities suite 7.0

Cingular New Jersey OCT 2002--Jun 2004

Websphere and System Administrator

Responsibilities / Contribution:

Responsible for Installation, Configuration and support existing systems for WebSphere Application Server 4.0/5.0

Extensively involved in Migrating Websphere 4.0 to 5.0

Responsible for maintenance and Systems administration of many Aix /Solaris systems.

Have done migration of Aix from version 4.0 to Aix 5.0.

Installed, Configured, upgraded IBM AIX 4.0 on IBM RS 6000 machines Developed WebSphere backup scripts using WSCP and TCL.

Installed and configured the iPlanet (Sun One) Web servers & setup firewall filtering with Squid proxy server for web caching on Sun Solaris.

Implemented the functional areas for several product groups on Sun Enterprise servers and setup NFS exports for sharing the file systems.

Maintained Websphere 4.0 Application server for web applications development and deployment JSP and EJB components on WAS.

Involved with Performance Toolkit for VM

Configured and setup Secure Sockets Layers (SSL) for data encryption and client authentication.

Used version software tools like Clear case and PVCS.

Used the IBM WebSphere NDM and UNIX automated tool AUTOSYS

Worked closely with Network and other teams for daily activities i.e. system/network changes for all Solaris, AIX and NT Servers.

Developed Shell and Perl scripts for launching applications to run remotely on Application servers.

Involved in migration of data and applications from legacy Sun OS 2.4 environment to Solaris 2.6.

Monitored applications using Wily Introscope, Involved in clustering and configuration of LDAP.

Involved in installation of Web agents for Netegrity Siteminder for channel Secure.

Experienced with support 24/7 on WAS administration, AIX systems Administration.

Environment: DB2, AIX, Windows NT, PVCS, J2EE, JSP, IIS, WebSphere 4.0/5.0, Sunsolaris, iPlanet, JavaScript

HSBC JERSY CITY MAR 2001 TO SEP 2002

System Administrator

Responsibilities / Contribution

Worked with IBM AIX 4.3 for pSeries and RS6000 system environment. Installed, configured, and maintained 24X7 AIX RS/6000 production environment including 1+ terabyte of combined disk capacity.

IBM AIX 5.1 System installation and configuration, problem determination, solutions design and implementation, maintenance, performance tuning, disk mirroring using LVM, backup, disaster recovery, trouble shooting and user management.

Automated jobs using the shell scripts (Korn, Bourne) and “Cronjob” utility.

Installation/configuration of DNS, NFS, LVM, kernel patches and updates.

Upgraded the OS level patches to the systems to make sure they are current.

Performed the daily system administration tasks like managing system resources, writing scripts, and end users support, operations and security.

Performed the manual backups of Database.

Disk Management on AIX using SMIT.

Involved in defining the network printer setup to the AIX systems.

Set up AIX/Unix boxes for the clients and performed system installation and configuration, problem determination, performance tuning, trouble shooting and user management

Implemented, modified and tested the existing Disaster Recovery Plan and Procedures for the AIX servers and the applications running on those machines

Coordinated with the system vendor/IBM for any system upgrades, releases, software fixes.

Environment: - Java, Perl, PL/SQL, Oracle8i, IIS, Web Sphere 4.0, Tomcat, Win NT, and AIX.

Roche Pharmaceuticals Atlanta Nov 2000--Feb 2001

System Administrator

Responsibilities / Contribution:

Installed and configured IBM Edge Server and Network Dispatchers for load balancing. Handled high availability and recoverability planning and implementation.

Involved in designing WebSphere Application Server load balancing and fail over by using Workload Management (WLM), horizontal and vertical scaling

Responsible for Webserver and WAS installation, support and performance monitoring for all applications running on the company’s Website.

Played an active involvement in monitoring server performance, network traffic to reduce performance bottleneck by enhanced performance ensuring upstream queuing.

Configured the Web Server interfaces, session management, virtual hosts and transports for WAS

Applied software maintenance, program fixes and keeping the system software releases current.

Configured WebSphere resources including JDBC providers, JDBC data sources, connection pooling, and Java Mail sessions. Deployed Session and Entity EJBs in WebSphere.

Implemented WebSphere Global Security using LTPA and Netscape LDAP Server

Environment: Java, JSP, Servlets, EJB, XML, JDOM, JDBC, JavaScript, DB2, IBM HTTP Server, Apache Web Server and WebSphere Application Server 4.0.x/5.0, HTML, Visual Age for Java, Rational Rose 2000 on UNIX (AIX, Solaris) and Windows 2000

Contact this candidate