Customer Service Project

Praveen Dasari e-mail: **********@*****.*** Mob:732-***-****

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

Project management

Production support

Hardware(H/W) and Software(S/W) sizing

Due Diligence

Application and Database administration

Team Management

CCB Data migration

Work Experience

Organization

Designation

Period

Wells Fargo

Middleware Engineer

Apr 2015 – Till Date

HCC

Middleware Administrator

Jan 2014 – Mar 2015

HCL Technologies

Senior Consultant

Aug 2010 – Dec 2013

Mphasis an EDS Company

Senior Software Engineer

June 2007 – July 2010

Hewlett Packard (HP)

Technical Support Engineer

Feb 2005 – June 2007

E2E Serwizsol, a TATA Company

Technical Support Executive

March 2004 – Feb 2005

SIP Micro Systems

Service Engineer

Nov 2002 – Feb 2004

Hindustan Aeronautical Limited

Project Trainee

Jan 2002 – July 2002

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.

Configured external LDAP in the 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.

Running the queries for modifying, updating, deleting or inserting data into the table.

Create Work orders for the maintenance using the HP open view tool.

Analyze/Validate the data and eliminate the duplicate records if any.

Managed a team of six people. And taken care of scheduling them in different shifts, conducting weekly team meetings and providing the team with process updates and also taken care of their appraisals every year.

Project: HP Global Feb 2005- Jun 2007

Supporting HP commercial customers on Desktop, Thin Client, Laptop hardware, Operating system (Windows flavors & Linux) and Networking.

Responsibilities:

Intensive research on customer issues related to hardware, network and operating systems and providing the appropriate solution for the issues through e-mails, instant support and telephone support.

Maintain interactions with the customer using Clarify tool and also use to dispatch parts and set up an on-site service to the customers.

Mentoring the new hires.

Providing the floor support, owning the escalation issues and resolves it on the basis of First Time Fix.

Reviewing the dispatches done by the front line engineers.

Part of NA-EMEA integration project dry run. SPOC for the PSG group JDPA certification.

Developed a portal for the process as a repository for the known issues with a team size of two. Integrating all the tools used by the frontline engineers and introduced auto case creation process and logging cases on the portal.

Following up escalations by calling up customers and resolving the issues over call.

Performed as MOD (Manager on Duty) to ensure that the SLA of the process is met.

Project: E2E Serwizsol, a TATA Company Feb 2004- Feb 2005

Supporting VSNL ISP customers on technical issues.

Responsibilities:

Troubleshooting and resolving the internet connectivity issues.

Providing the floor support and handling the escalation calls.

Specialized in troubleshooting, VOIP related issues.

Providing technical information to the customers on features of VOIP and other VSNL related products.

Within six months, selected into the Core Technical Team and taken training sessions on Technical and Logical troubleshooting, product and process.

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