1. Rajaraman.R No.12/7 VV.kovilstreet,
Mobile: +91 9600047072 Saidapet
E-mail:rjraman100@gmail.com Chennai-600 015.
CAREER OBJECTIVE:
Contribute resourcefully by being part of a progressive team having an inspiring work ambience and there by
getting an opportunity to work with talented professionals.
Executive Summary
1.5 years of experience in Big data and Hadoop Ecosystems (support&development)
4+ years of experience in MAINFRAME domain as Production support .
Excellent interpersonal and communication skills, creative, research-minded, technically competent
and result oriented with Problem solving and leadership skills.
Experience in supporting large-scale distributed systems in a production environment.
Excellent debugging and troubleshooting skills, with an enthusiastic attitude to support and resolve
customer problems.
Skills on Big Data & Hadoop Eco-Systems(Development)
Good understanding of HDFS and Map Reduce concepts
Good knowledge and Hands on experience with Hadoop Eco Systems like Hive, Pig,Sqoop,oozie
Skills on Big Data & Hadoop Eco-Systems(Admin)
Commissioning nodes to the Hadoop Cluster according to the requirement
Decommissioning nodes from the Hadoop cluster according to the requirement
Configured a multi node cluster with 5 nodes.
Having good knowledge of Unix commands associated with Hadoop
Monitoring Hadoop cluster with Nagios and creating documentation report of the cluster in a daily
manner
Analyzing and moving Data in and out of the cluster.
Importing and exporting data from cluster using SQOOP.
POC in Hadoop
Analysis of the dataflow, and ETL data into HDFS
Dataset arrangement in HDFS using cloudera file browser
2. Rajaraman.R No.12/7 VV.kovilstreet,
Mobile: +91 9600047072 Saidapet
E-mail:rjraman100@gmail.com Chennai-600 015.
Data summarization, query, and analysis using Hive,Pig
Data transferring between RDBMS and HDFS using Sqoop
Streaming data set-up using flume
Coding and monitoring the workflow as per logics using Oozie
Have experience with Hive and pig queries
Have experience with most of the Pig operators and Joins and Scripts
Collected Log files and stored in HDFS using Flume .
Have scheduled the jobs and monitoring the jobs using Oozie workflow controller
Asset Management Warehouse in Hadoop
Created Hive Warehouse tables using Hive
Joining Large datasets using PIG
Transformed the data using PigLatin script
Joined various hive tables using Hive and generated output table in Hive
Key Skills / Area of Expertise
Expertise in Universe designing, developing and generating complex, Ad-hoc reports
Trainings attended
Undergone Big Data and Hadoop Ecosystems training at Cognizant.
Awards and Recognition
Received WOW award from Onsite L3 Manager for Drive and Excellence
Received Extra mile award from the client
Lean ACE certified for giving process improvement ideas.
PROFESSIONAL EXPERIENCE:
Cognizant, Chennai,India (Feb 2011-Till Date)
Designation: TechnicalLead
3. Rajaraman.R No.12/7 VV.kovilstreet,
Mobile: +91 9600047072 Saidapet
E-mail:rjraman100@gmail.com Chennai-600 015.
CLIENT DETAILS
Client 1 : First Data, USA
Duration : Feb 2011- Sep 2011
Role : Team Member
Responsibilities
Interactions and co-ordination with Client SMEs for knowledge transition and process improvements.
Understanding the Business Process; accumulating and documenting system as well as technical
knowledge.
Monitoring, fixing, and escalating Mainframe batch jobs and related issues.
Highly involved in Root Cause Analysis of the batch abends, failures and suggested permanent resolution
to support team.
Undertaken the automations which reduces the manual intervention and will improve the process.
Processing ad-hoc request, handling customer request.
Checks the status (waiting, failed, completed, executing) of all the batch jobs in our application.
Check the status of DB2 & CICS regions (All DB2 & CICS regions must be in active status).
Interactions and co-ordination with Client SMEs for knowledge transition and process improvements.
Understanding the Business Process; accumulating and documenting system as well as technical
knowledge.
Monitoring, fixing, and escalating Mainframe batch jobs and related issues.
Highly involved in Root Cause Analysis of the batch abends, failures and suggested permanent resolution
to support team.
Undertaken the automations which reduces the manual intervention and will improve the process.
Processing ad-hoc request, handling customer request.
Checks the status (waiting, failed, completed, executing) of all the batch jobs in our application.
Check the status of DB2 & CICS regions (All DB2 & CICS regions must be in active status).
Client 2 : Woolworths,Australia
Duration : Sep 2011- Nov2013
Role : Team Member
4. Rajaraman.R No.12/7 VV.kovilstreet,
Mobile: +91 9600047072 Saidapet
E-mail:rjraman100@gmail.com Chennai-600 015.
Responsibilities
Perform daily Ca7 Monitoring, Scheduling, and Console-Operations.
Enable/Disable Automation rules as per request/scenario.
Some major activities performed in CA7:
(i) CA7 Scheduling.
(ii) One-Time Request: Scheduling/Canceling/Moving/Holding jobs.
(iii) Permanent Scheduling Request.
(iv) Defining a new job.
(v) Modifying the existing job’s information in Ca7 database.
(vi) Setting up Dataset triggerence to the job in CA-7 based on requests.
(vii) Setting up the job to trigger an email to the team or clients for new task to monitor.
Creating ,Granting and revoking privileges to users.
End-to-End Coordination in the Process.
Handled year end scheduling and monitoring.
Customer Management.
Attending customer calls.
Creating Meeting as Per the Client requirement via of Webex
Scheduling Daily ,Weekly and Monthly Performance meetings
Client 3 : Discover, USA
Duration : Nov2013- till date
Role : Team Lead
Size :4 Member
RESPONSIBILITIES:
Loaded small volume of data using FTP from Mainframe and working it on cluster
Importing and Exporting huge volume of Data using Sqoop from RDBMS and HDFS Cluster
Imported the SQL tables from Hive to RDBMS using SQOOP
Hive and Pig OPERATIONS
(i) Created Hive tables
(ii) Performed Table Partitioning ,bucketing in Hive
(iii) Splitting and Filtering of data using Pig
5. Rajaraman.R No.12/7 VV.kovilstreet,
Mobile: +91 9600047072 Saidapet
E-mail:rjraman100@gmail.com Chennai-600 015.
Have scheduled the jobs and monitoring the jobs using Oozie workflow controller
Collected Log files and stored in HDFS using Flume .
Handled year end scheduling and monitoring.
Customer Management.
Attending customer calls.
Creating Meeting as Per the Client requirement via of Webex
Scheduling Daily ,Weekly and Monthly Performance meetings.
ACADEMICPROFILE:
Degree University/College Year Percentage
PGDBA(Operations
&Management)
SYMBIOSIS Centre for Distance
Learning(Pursuing)
2013-
2015
74
B.E (Electronics and
Communication)
P.M.R Engineering College 2005-
2009
66
HSC Jaigopal.Garodia.Hindu Vidyalaya. Mat.Hr.Sec
School
2004-
2005
86
SSLC Alpha Mat.Hr.Sec School 2002-
2003
84
PERSONAL PROFILE:
Name : Rajaraman.R
Fathers Name : Rajagopal.S
Date of Birth : 10-04-1988
Nationality : Indian
Sex : Male
DECLARATION:
I hereby declare that the information furnished above is true to the best of my knowledge.
Date:
