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karthik thyagarajan

karthik thyagarajan

@karthikthyagarajan
karthik thyagarajan

karthik thyagarajan

@karthikthyagarajan

11+ yrs tot exp.

Hadoop Certified Technical architect – Analytics & Big data COE
• Strong hands-on experience in conceptualising & implementing high performing Pig, Hive, Sqoop scripts on a Teradata DW optimisation / ETL offload use-case.
• Developing analytics/reports out of Hadoop using hive
• Hands on knowledge on Data ingestion, transformation and analysis of data stored in HDFS/Hbase using tools like Pig, Hive, Flume, Sqoop & Mapreduce
• Hortonworks & MapR certified
• Python programming

TOGAF cert.Data architect with broad experience in:
- Developing & maintaining Enterprise Data Models
- 3NF with Industry Logical Data Models like Teradata's MLDM, THLDM
- Dim modeling for Dept. data marts using CIF arch & Enterprise DW using Bus arch
- Data mngmt principles - DMBOK

Seasoned DW professional with several full lifecycle BI soln deliveries in multi-TB DWs
- E2E DW/BI projects - concept creation, building logical models, physical database design for performance, ETL/ELT data integration architecture & design, OLAP design, guiding implementations & deployment to production.
- Erwin & ER Studio;Informatica;Control-M
- Teradata certified
- have Led 24X7 DW Support and Maintenance teams - key exp includes Data load Cycle recovery planning & execution during several day outages; Teradata DB performance KPIs monitoring, tuning; Setting up data retention policies, Archival strategies.
- Exp. in delivering Large scale data migrations, Data mart consolidations
- Close collab with BI consultants (Qlikview, MSBI, Cognos) & DM functions like - DQ,Ops,Ref&MasterDM

-- Integral part of pre-sales activities within the account - Active engagement in req study, tech/func soln proposals & POC. Instrumental in winning several high value proposals.
-- Independently planned-organized-executed inter-company handovers for a large enterprise program adeptly
-- Customer facing roles EU & US
-- Project & Program management

LOCATION

WORK

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