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Software Professional with near 7 year experience in Telecom Analytics  including Feature Development, Production Support, Onsite Deployment, Product testing, Product training's and Product Customisation work. Working knowledge and experience in BIg Data,RHEL, Oracle, Vmware, BO ETL and BO Reporting.

Seeking a long term career where I can learn, improve and utilise my technical as well as interpersonal skills.


Now looking for a new and challenging, one which will make best use of my existing skills and experience and also further my personal and professional development.


Work History

Aug 2012Present

Database Expert

Nokia Networks

Database Expert– CEMOD 

Nokia Networks (formerly  Nokia Siemens Networks (NSN)) is a multinational data networking and telecommunications equipment company headquartered in Espoo, Finland, and wholly owned subsidiary of Nokia Corporation


 Projects ,Responsibilities and accomplishments include:

CEMoD Oracle  

Involved in administering mission critical RAC databases for clients across

Telcom, domain with 24*7 support.

Expertise in Database Administration activities such as Oracle ,

database Upgrades, Patching, TAR support, Cloning, Backup and recovery,

Dataguard, Performance Tuning, monitoring and diagnostics, shell script

development and documentation

Customer Projects:

  Claro Colombia and Telkomsel Indonesia. In This project I was involved in Planning, Testing and upgrade in Customer  site at Colombia and Indonesia respectively.

Project included

Oracle 11G upgrade : from to

New Emc Storage configuration and attaching storage to Oracle servers .

Configuring ASM Diskgroup , Disk addition 

Software upgrade from SP4-SP5-SP6 .

This Project had an opportunity to involve with customer and understand their need and requirement.

New oracle Node Addition For Zain Kuwait Customer .

Configuring SAN Switch .

Deploying Product on Amazon Cloud , creating a cloud instance and configuring the nodes .

Customers :

Orange Spain

Orange Poland

Claro Colombia.

Telkomsel Indonesia

Zain Kuwait

Aircell India


CEMoD on BigData

Customer Experience Management on Demand (CEMoD) :
Nokia Networks award-winning CEM on Demand, provides an innovative user-friendly
online portal that makes it easier than ever to manage the operator's network insight and
predict the subscriber's behaviour.This helps to improve customer retention and boost
revenues through increased data usage.

 Developing Installation Framework for Cloudera - BigData Distribution .Hadoop architecture 1.0, 2.0 and high availability. System Administration Tasks (Production Environment). 

System Administration Tasks (Production Environment) maintenance. 
Hadoop single and multi- node cluster configuration. 
 HDFS file system 
 Monitor Hadoop cluster connectivity and Kerberos security 
  Monitor server by using Nagios 
 Commissioning and decommissioning node in Hadoop
 Hadoop Multi node setup on AWS (Amazon Web Services) 
 Performance Tuning in Hadoop 
 Killing of blocked or Hung Processes 

Customer Projects :  

  • Telecom Italia and Orange Spain where we showcased the capability of CEM on Hadoop. In this POC, I was involved in the system bring up, End to End verification for Product. This gave exposure to customer perception and knowledge on how customer makes use of the KPIs.
  • Installation and Commissioning of CEMOD 3 on Hadoop .
  • Installed and succesfully delivered CEMoD for Safaricom ,Kenya .
    Installed CEMoD in AMX (Latin America) ,Orange Spain & Orange Poland.
    Key player in CEMoD customer demos in AMX and Orange Spain ,Orange Slovakia
    and Celcom Malaysia
  • Hadoop node addition.
  • Hive Query Language,HDFS


 Product Trainer and Sales:

 Involved in 5 Days boot camp held in Warsaw Poland for 8 engineers on the latest

CEMOD tool capabilities and functionality.

Involved in content preparation for CEM on Hadoop Training and Delivery for orange Poland and Orange Spain Customer for sales Demo.

New Feature Development

Integrating Cloudera CDH5 as a platform for  CEMOD product

Backup and Recovery Solution for Oracle 11G database:

I was involved in completely developing a Backup and Recovery solution for oracle 11G DB, This Solution was developed in 3 weeks of time and Delivered along with CEM2 SP5 release

 TIP loading on CEM.

This solution is for the customer to have the latest Mobile Device updates on CEM DB.



Official Nokia Academy Trainer for the products  CEMoD  Oracle and BigData

Oct 2009Aug 2012

Oracle DBA Consultant

Mphasis an Hp Company


Project Overview

Managing the oracle Database , Backup recovery .Worked as a part of Data Management team which handled over 150+ Oracle Instances with various Oracle versions and different flavors of UNIX like Solaris, AIX & HP-UX. Worked as a part of Database Responsibilities involved 24x7 production support, Appling CPU patches, Production Monitoring, Performing Backups, Database refreshes, Automation using shell scripting, Providing assistance to development teams, Part of team of 17 Oracle DBAs which worked in On-site (20%) / Off-shore (80%) model, to provide round the clock critical database support. Effectively provided 24x7 On-Call support. Technologies: Programming - SQL,PLSQL, Unix shellscripting Operating System - Sun OS ,Windows Server 2008 DBMS: Oracle 8i,9i,10G,11G . TOAD , DATAPUMP .

Sprint Telecom US

Project Overview Worked as an Oracle DBA for Sprint Database . Responsibilities Database migration from oracle9i/10g to 11g. Applying Patch to Upgrade the Database's. Refreshing the development & test databases from Logical backup & RMAN duplicate database. Cloning database using RMAN . Technologies: Programming - SQL,PLSQL, Unix shellscripting Operating System - Sun OS ,Windows Server 2008 DBMS: Oracle 8i,9i,10G,11G .; TOAD , DATAPUMP .




Birla Institute of Technology and Science

Software systems - I Am Pursuing this M-Tech Course will be finished in 2017  

Jul 2004Aug 2008

Bachelor of Engineering

Global Academy of Technology - Visvesvaraya Technological University

Electronics and Communication



Oracle Certified Professional Database Administrator 11G

Telecom Domain Knowledge

Oracle 10G/11G/12C

SQL Expert,shell scripting,PL/SQL,EXPDP/IMPDP

Big Data Hadoop, Hive and spark


knowledge on Oracle 11G Datagaurd, GoldenGate


EMC Storage,HP storage

Working Knowledge on Linux, SAP Business objects ETL and reporting tools. Amazon Cloud.


Oracle Certified professional 11G  Database Administrator



  • Adaptive, flexible and ready to accept challenges.
  • Self motivated and desire to excel
  • Ability to work alone and as part of a team
  • Solid work ethics ,•Multicultural awareness
  • Excellent presentation and inter personal skills.
  • I like to travel a lot explore  places , Adventurous ,Face  New countries , Peoples & Languages
  • Swimming, Long Drive , listening Music, Pencil Sketch etc ..

Awards and Recognization

Star Award for AMX Customer Project Delivery.

Star Award for involvement in project delivery that lead to Telecom Innovation Award for CEMOD Product - Zain Kuwait

Received R&D Excellence Award

Highly Appreciated by Program Management on the Delivery of Solution

Personal Information

Date of Birth     : 11th May 1987.
Age                       : 29 years.
Marital Status   : Single
Nationality         : Indian
Father's Name : L Sekar