Siji Kallarakal

About Siji Kallarakal

A Hands-on Data professional with 23+ yrs of experience in building large scale Big Data Analytics, DataWarehouse & Business Intelligence platforms on cloud as well as on-premises. A self-motivated learner and mentor, capable of building teams grounds-up. Go-to person for fixing any solutioning pitfalls- With more than 10 years experience in Cloud, in current role, responsible for the Cloud Big Data Architecture Landscape including but not limited to data lakes and data virtualization. Auditing architectures across client accounts for performance/cost benefits and usage of right technology/services; auditing frameworks for product building and client proposals- Excelled in roles of Architect, Consultant and SME on a number of projects with ownership and responsibilities across all phases of SDLC i.e. Define, Requirements, Design, Development and Implementation- Experience across all facets of Data domain projects like Data Modelling, Data Migration/Reconciliation, Data Integration, Data Virtualization/Governance; Technology agnostic and can easily design and manage any data project- Niche skill - Vast experience in architecting several metadata driven ELT framework across technology and platforms- Strong Stakeholder Management and excellent Team leading skills- Capability Building - Mentor, Coach and built teams of varying skills like Pentaho, Talend, Kognitio, AWS, Redshift and Denodo from scratch, and successfully delivered complex engagements, while growing the accounts- International assignments in US and UK, leading global distributed teams- Involvement in Pre-sales and client presentations- Social presence - Published blog on an AWS solution, tech talks to universities and meet-ups- Leverage the extensive End-to-End implementation experience coupled with strong technical and analytical abilities to Fire-fight wide range of problems.Experienced in- Cloud: Amazon Web Services, Azure- ETL: Pentaho DI, Talend- Big Data: Hadoop, Kognitio WX2 in-memory DWH appliance; Amazon Redshift, AWS EMR- IoT: AT & T M2X, Flow Designer (Based on IBM Node Red)- GraphDB: Neo4j- SQL (Oracle PL/SQL,MySQL)Certified in- Oracle Cloud Infrastructure Professional Architect- Amazon Web Services Certified Solutions Architect- Azure Fundamentals- IBM Certified Cognos TM1Developer- IBM Certified Cognos TM1 Data Analyst- IBM Certified Datastage Developer- ITIL v3Knowledge in- Datastage, Informatica- Cognos TM1- Tableau- NOSQL

Experience

1. Senior Architect - Data & Ai (Director)

   Capgemini

   Jul 2004 — Present · Mumbai, IN

   Currently responsible for designing Big Data solutions on Amazon Web Services cloud, and SPOC for cloud within the Insights and Data BU- Have designed Big Data solutions using AWS Big Data services (EMR, Redshift, Kinesis, Firehose)- Have designed BI solutions using AWS generic services like VPC, S3, RDS, EC2, EBS, Lambda, SNS, etc- Led technical team on projects involving AWS Redshift, EMR- Architect metadata driven ingestion/integration approach Big Data Lake on AWS for a large US pharma client.Led the Cloud initiatives within the Insights and Data BU- Have led exploration teams on Azure Machine Learning, Azure HD Insights, Power BI- Have led exploration teams on AT & T IoT platform - M2X and Flow Designer, and created POCs- Architect several AWS BI/Big Data solutions for pre-sales, including estimates and pricing- Involved in designing DQ and analytic as a service offerings on cloud.In my previous role as a BI Professional- Designed and Delivered a big data project on cloud (Pentaho ETL and Kognitio WX2 in-memory DWH) for a large UK postal company- Migrated a complex E-commerce data platform to multiple applications including Salesforce; for a major Postal company in the UK. It involved data integration to the DWH from multiple cloud sources for reporting on customer, transactions and data security- I have managed an ETL migration project from Informatica to Datastage, for a major US retailer.As a Senior Consultant, in the past, I have been part of the delivery team managing the inventory management system of a large office product supplier. I have been involved in pre-sales activities including estimation and pricing; building operations dashboards, BI portal for KM, building case studies for GTM initiatives.

Education

• IGNOU

  MBA, Operations

  1998 — 2001

• University of Mumbai

  BE, Production

  1993 — 1997

Skills

• Informatica
• Business Intelligence
• Pentaho Data Integrator
• Big Data Architect
• Databases
• Pre-Sales
• Agile Methodologies
• Data Migration
• Data Warehouse Architecture
• Pl/Sql
• Kognitio Wx2
• Cloud Bi Architect
• At&T Iot Platform M2x
• Amazon Web Services (Aws)
• Software Project Management
• Project Management
• Etl Architect
• Cloud Computing
• Etl
• Data Quality
• Sdlc
• Sql
• Data Warehousing
• Mysql
• Dimensional Modeling
• Tm1
• Data Integration
• Aws Architect
• Data Modeling