Candidates About

 

Praveen Dasari

Profile Summary

 

13+ Years experienced IT professional with Dedicated and hardworking professional with expertise in Client/Server Applications and Middleware Server Administration, database & Unix administration skills. A committed team player and self-motivated with the ability to communicate at all levels.

 

·         Strong experience in Installing, Configuring Weblogic Server 10.0, 11g ,12c across Red Hat Linux, Solaris and Windows Server environments. Working knowledge on Ubuntu & Centos.

·         Highly experienced in installing Weblogic Server by silent scripts, command line and graphic interface.

·         Strong experience using weblogicDeployerutility to deploy and undeploy applications across Weblogic cluster.

·         Experience setting up multiple Weblogic Server domains and configuring horizontal and vertical clustered environments.

·         Experience using JRMC (JRockit Mission Control) to analyze JVM performance and memory leaks.

·         Experience in configuring Data Sources and JDBC connection pools on Weblogic Server.

·         Experience in using WLST Framework and writing WLST scripts.

·         Experience in infrastructure design and good understanding of virtualization.

·         Extensive experience in procuring and installing SSL certificates on Weblogic Server.

·         Experience in Python and shell programming.

·         Experience in setting up and managing Oracle SOA and Oracle OSB environments.

·         Experience in setting up and using Wily Introscope for monitoring Weblogic servers.

·         Experienced in creating Connection Factories and configuring JMS Queues and Topics on Weblogic server.

·         Good understanding of cloud SAAS, PAAS and IAAS. Knowledge in AWS, Chef, Docker and GIT. Good working knowledge on CI tool Jenkins and Docker installation.

·         Good understanding of JBOSS & Websphere configurations and deployments.

·         Expert in analyzing and reading logs using Splunk and other monitoring tools and troubleshooting server issues. Creating alerts via Splunk on the logs.

·         Experienced in taking thread dumps and analyzing them for solving Weblogic performance issues.

·         Experienced in Oracle Utilities Customer Care and Billing (CC&B), WAM, MDM, BI-Publisher and OUBI Administrator and CC&B Data Migration specialist.

·         Successfully completed one full life cycle of CC&B implementation, upgrade and support.

·         Core expertise in implementation, installation, CCB Data migration, designing, maintenance and support of large mission critical apps with multiple versions of Oracle database 10g, 11gR1 & 11gR2 database system. Install and configure Eclipse.

·         Experience in installation of applications and Oracle database, upgrades, patches, packages, single fixes cloning , Weblogic administration, Oc4j administration, Database performance & tuning, cloning Oracle Apps and Database SYSADMIN functions, CC&B development release deployments, batch configuration , threadpoolworker configuration , micro focus license installation , users creation, database creation, SQL statement tuning, backup/recovery, general troubleshooting.

·         Specialized knowledge and expertise on Unix-Sun Solaris, HP-UX and Oracle Platforms.

·         Acquainted with the nitty-gritty involved in working in global offshore support scenarios. 

 

 

 

 

AREAS OF EXPERTISE

u  Project management u  Production support u  Hardware(H/W) and Software(S/W) sizing

u  Due Diligence u  Application and Database administration

u   Team Management u  CCB Data migration

Work Experience

Education Profile

• Master of Science in Information Technology from Alagappa University, Tamil Nadu.
• Bachelor in Computer Applications from Osmania University, Hyderabad.

Technical Certification

Certifications	Provider
Sun Certified System Administrator (SCSA) for Solaris 10.0 version
A+ Certification
ITIL V3 version	OGC

 

 

Technical Skills

ERP	Oracle CC&B, Work Asset and Management, ORMB, BI-Publisher, OUBI & MDM 2.0.1 Administration and Data Migration of CC&B
Operating Systems	Linux, Solaris, HP-UX, Linux, Windows 2003 & 2008
Languages	SQL, PL/SQL, Unix Shell Scripting, Python
DBA Tools	TOAD & SQL-Developer
RDBMS	Oracle 10G and 11g R1/R2
Job Scheduler Tool	Control-M, Autosys
Monitoring Tools	Splunk, Introscope, HP OVO, IBM Tealeaf

 

Professional Summary

 

 

Project: Wells Fargo, San Francisco CA                                                  Apr 2015 - Till Date

 

Middleware Engineer     .

This project aims to Support and enhance Oracle CEO Portal application for Wholesale CEO Portal customers for Wells Fargo Company.

 

Responsibilities:

 

·         Responsible for production support of mission critical Web, Java and J2EE applications running on Weblogic and Apache Tomcat.

·         Installed Weblogic server 10.3 and 12.x and created clustered Weblogic server instances according to requirements. Installed Oracle Portal on weblogic server.

·         Worked with Jenkins and Anthill Pro as part of the automated deployment process for deploying EARs to various environments like Development, Test, Prod Fix and Production. 

·         Worked with IBM Tealeaf and Silvertail Forensic tool to identify the theft and fraud transactions.

·         Setup and configured SSL on app servers from using Keytool. Analyzing the TCP/IP packets using TCPdump.

·         Installed and Configured Apache Tomcat 7.0.

·         Updated JDK versions and applied patches on Weblogic Server. 

·         Developed monitoring scripts and Cron jobs to setup alerts related to system performance on Weblogic& Tomcat Servers.

·         Installed and configured JDBC Data Sources/Connection pools on Weblogic server. 

·         Created and configured JMS connection factories (Queue, Topic) on Weblogic server. 

·         Worked with Oracle Support in solving critical production issues on Weblogic server.

·         Worked closely with the networking team to configure F5 load balancer to route requests to the Weblogic and Apache/Tomcat server. 

·         Monitoring the applications using various tools: Introscope, Putty, Teleaf, Splunk, SQL Developer, OVO and BSM. Worked on Wiki and Confluence to create project dashboards.

·         Participate in the Tech Refresh projects for migrating the applications from old to the new servers.

·         Participated in infra design and the server virtualization.

·         Wily Introscope proactive monitoring of application in all environments and automatically detect performance problems before end-users are affected. Monitoring the Heap memory and CPU and create thread and heap dumps as required during the troubleshooting.

·         Preparing Game Plans for Production and lower environment deployments.

·         Automated Weblogic password update using Python and using WLST to implement the scripts for WebLogic installation.

·         Using Remedy for Change Requests, Work Requests and any ECR’s.

·         Gained good knowledge on Content Data Network (CDN) for caching website data from edge locations using Akamai. Worked on clearing the content cached on Akamai during major releases.

·         Work with Oracle support by opening SR’s for any undetermined or unresolved issues.

 

 

 

 

 

 

 

Project: HCC, Houston TX                                                                                            Jan 2014 – Mar 2015

Middleware Administrator

 

Oracle RMB implementation and production support:

This project aims to making general insurance services accessible to the citizens of USA, HCC continues to play a catalyst’s role in reaching general insurance services. The implementation of Oracle Portal, Weblogic 10.3.x, OAM 11g, and Oracle database 11g enterprise edition and other stake holders.

 

Responsibilities:

·         Installed, configured and administered web logic server 10.3.6 and Oracle portal.

·         Upgraded of WebLogic servers in Dev, UAT, QA and Pre-Prod and production environments

·         Deployment of the code in UAT, QA, Pre-Prod and Prod clustered environments.

·         Used WLST for configuration changes.

·         Applying required Weblogic and JDK updates.

·         Installed and configured the OHS webserver. Created JDBC Data sources and Multi Data sources.

·         Troubleshooting the Production issues and escalate it as needed. Worked in rotational on call support 24/7.

·         Performance tuning of Weblogic application and managed servers. Supporting the production post go live on Oracle Portal and Weblogic.

·         Involved in team discussion on daily basis and monitoring the project progress.

·         Deploying the code in SOA.

·         Worked with Oracle support by opening SR’s if the issue is undermined by our support.

·         Worked on BIG IP in configuring the load balancer for the web servers.

·         Well versed with production and other environments architecture and request flow.

·         Installing the SSL certs. Setting up Cron jobs for scheduling the jobs and placing and removing maintenance page. Configuring and maintaining Webcache and quickly resolving the issues related to it.

·         Created JMS Queues and Topics for clearing the cache for the users.

·         Monitoring the production using the Introscope. Work on Prod/Non-Prod issues and work towards on resolving the issues related to application or environment.

·         Monitor the BMC Remedy for the assigned tickets and also to create Change requests and work requests.

·         Coordinating with other tracks on executing any planned activities or production releases/issues.

 

 

 

 

Project: HR-RAPDRP                                                                  Nov 2012-Dec 2013

 

Oracle CC&B 2.3.1 Implementation Project.

This project aims to customize Oracle Utilities Customer Care & Billing 2.3.1 application for customer service and billing process of the Electric Utility Company.

 

 

 

 

Responsibilities:

 

·         Experience in Oracle CC&B 2.3.1 Administration. CC&B is customized using Java and J2EE.

·         Set up the Development and Test and Production Environments on Tomcat and Weblogic.

·         Performed Environment management and Release deployment activities.

·         Setup the migration environment to test and perform the data migration.

·         Setup the production in a clustered environment and tuned the parameters for the CCB, XAI and Batch instances.

·         Installed SOA and OSB and performed deployments.

·         Performance tuning of the Data Migration Batch jobs.

·         Applying CC&B application, framework and WebLogic patches.

·         Create and configure XAI inbound/outbound web services.

·         Search for Oracle knowledge for any application issues and Opening Oracle SR’s.

·         Configuring the threadpoolworkers and Start & Stop them.

·         Worked on the estimation of H/W and S/W sizing for the applications during the RFP phase of this project.

·         Installed and configured OEM 12c for alert monitoring purpose.

·         Automated the log rotation and backing up of files using the Shell scripting.

·         As a POC to the clients request, implemented a Continuous Delivery pipeline with Docker, Jenkins, GitHub using AWS. Whenever a new GIT branch gets started, Jenkins, our Continuous Integration server, automatically attempts to build a new Docker container from it.

 

Project: UP-RAPDRP                                                                                Feb 2011-Oct 2012

 

Oracle CC&B 2.3.1 Implementation Project.

This project aims to customize Oracle Utilities Customer Care & Billing 2.3.1 application for customer service and billing process of the Electric Utility Company.

 

Responsibilities:

 

·         Oracle CC&B 2.3.1, WAM, MDM and BI-Publisher Administration. Installed and configured OID and OAM.

·         Set up the Development and Prod/Non-prod Environments on Tomcat and Websphere 7.0 on Linux.

·         Installed and configured IBM HTTP server and configured the Websphere plugins.

·         Performed Environment management and Release deployment activities.

·         Setup the migration environment to test and perform the data migration.

·         Setup the production in a clustered environment and tuned the parameters for the CCB, XAI and Batch instances. Create and configure XAI inbound/outbound web services.

·         Performance tuning of the Data Migration Batch jobs and also setting up Cron jobs for executing it.

 

 

 

 

Project: Haya Water, Middle East                                                          Aug 2010-Oct 2013

This project aims to customize Oracle Utilities Customer Care & Billing 2.3.1 application for customer service of the Waste Water Utility Company.

 

Responsibilities:

 

·         Oracle CC&B 2.3.0, Windows IIS and BI-Publisher Administration of Haya Water.

·         Set up the Development and Production Environments on Tomcat and Weblogic.

·         Involved in Environment management and Release Deployment activities.

·         Setup the migration environment to test and perform the data migration with the help of conversion Central tool.

·         Involved in overall CC&B end-to-end data migration design, planning, development, monitoring resources and go live implementation.

·         Post production support in monitoring the application and applying patches.

·         Trained the client resources on CC&B Administration and Data migration using SQL Loader and Conversion Central. Prepared training manuals for the Production and Data conversion.

Project: Vayam Technologies- Due Diligence for NDMC                               Feb 2012-Mar 2012

Oracle CC&B & MDM 2.3.1 Due Diligence

 

This project aims to investigate the existing setup of CC&B and MDM at NDMC (New Delhi Municipal Corporation) and provide the gap analysis to complete implementation of CC&B and MDM.

 

Responsibilities:

 

·         Studied the existing H/W sizing of CCB, BI-Publisher and MDM with the information on the number of customers and concurrent users and provided the gap analysis.

·         Studied the existing data migration procedure of CC&B and the migration setup to move the legacy data into the production and provided the gap analysis.

 

Project: Sprint                                                                                       Jun 2007- Jul 2010

Provided operational support for a major US telecom company's production Oracle data warehouse. Managed six members team, monitoring the database jobs on Unix productions servers and ensure that the jobs are up.

Responsibilities:

·         Monitor the database jobs using the Control-M, Autosys, TOAD & Putty tools and ensure that the jobs are running as per schedule.

·         Monitor alert log files and kill unwanted user sessions or processes. 

·         Do the root cause analysis for the failed database jobs. Transferring the files using FTP and SFTP.

·         Writing SQL queries to monitor the jobs from TOAD and to check the data.

·         Analyze and understand the PL/SQL code written in KSH files and resolve the issues accordingly

·         Check the log files of the SLA/Critical jobs periodically and ensure that the jobs are up.

·         Attended bridge calls with the Users, Developers, SA’s and DBA’s to support planned maintenance or backup of database or to resolve any priority1/priority2 issues.

·         Co-ordinate with the developer’s for modifying the code in KSH files.

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