I am a data engineer with 18+ years of experience delivering data migration, data warehousing, and data integration projects. My work spans across ETL/data ingestion for data marts and warehouses, data quality analysis, Big Data EDL, Oracle ODI, Informatica Cloud, dimensional modelling, and basic reporting. I contributed to large transformation programs in WA, leading data migration efforts, analyzing mapping documents, building data pipelines, unit testing, post-data validation, data quality fixes, and participating in Data Quality Working Groups. I have hands-on experience across Oracle, DB2, Salesforce, Informix, and SQL Server environments, and have designed end-to-end data flows and tenure plans within ETL processes. I am committed to continuous learning and currently advancing my Python Data Engineering skills and exploring AI concepts to enhance data workflows. I enjoy collaborating in cross-functional teams, communicating clearly with stakeholders, and delivering reliable data solutions from development through go-live, with a strong focus on data governance, quality, and performance. I also mentor peers and contribute to technical leadership in data migration initiatives.

Raghul Sasidharan S

I am a data engineer with 18+ years of experience delivering data migration, data warehousing, and data integration projects. My work spans across ETL/data ingestion for data marts and warehouses, data quality analysis, Big Data EDL, Oracle ODI, Informatica Cloud, dimensional modelling, and basic reporting. I contributed to large transformation programs in WA, leading data migration efforts, analyzing mapping documents, building data pipelines, unit testing, post-data validation, data quality fixes, and participating in Data Quality Working Groups. I have hands-on experience across Oracle, DB2, Salesforce, Informix, and SQL Server environments, and have designed end-to-end data flows and tenure plans within ETL processes. I am committed to continuous learning and currently advancing my Python Data Engineering skills and exploring AI concepts to enhance data workflows. I enjoy collaborating in cross-functional teams, communicating clearly with stakeholders, and delivering reliable data solutions from development through go-live, with a strong focus on data governance, quality, and performance. I also mentor peers and contribute to technical leadership in data migration initiatives.

Available to hire

I am a data engineer with 18+ years of experience delivering data migration, data warehousing, and data integration projects. My work spans across ETL/data ingestion for data marts and warehouses, data quality analysis, Big Data EDL, Oracle ODI, Informatica Cloud, dimensional modelling, and basic reporting. I contributed to large transformation programs in WA, leading data migration efforts, analyzing mapping documents, building data pipelines, unit testing, post-data validation, data quality fixes, and participating in Data Quality Working Groups. I have hands-on experience across Oracle, DB2, Salesforce, Informix, and SQL Server environments, and have designed end-to-end data flows and tenure plans within ETL processes.

I am committed to continuous learning and currently advancing my Python Data Engineering skills and exploring AI concepts to enhance data workflows. I enjoy collaborating in cross-functional teams, communicating clearly with stakeholders, and delivering reliable data solutions from development through go-live, with a strong focus on data governance, quality, and performance. I also mentor peers and contribute to technical leadership in data migration initiatives.

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Experience Level

Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate

Language

English
Fluent

Work Experience

Data and Integration Lead at Juniper Aged Care
June 30, 2025 - June 30, 2025
Led data migration initiatives across multiple projects, conducted requirements sessions with external product teams, clarified mapping specifications, and documented data flows. Implemented SQL-based migrations from source to staging to target, built data flows in Microsoft Dynamics 365 (Power Automate/Dataflows/Dataverse) to load target tables from generated SQL scripts, and established incremental loading for client and contact data. Supported go-live activities including UAT and production validation. Prepared AS-IS architecture documents, integrated supplier onboarding and AP automation references, and oversaw external vendors in detailed design and development. Contributed to database upgrades (Epicor/Kinetic, ICARE, QMS, Chris21) with schema comparisons and vendor design reviews.
Senior Consultant at Deloitte
December 31, 2024 - December 31, 2024
Part of Western Australia’s transformation program; performed end-to-end data migration from profiling to go-live; conducted data profiling, source-to-target analysis, and data quality assessments using Oracle EDQ and SQL; developed SQL-based fixes and reconciliations; collaborated with data owners and business/technical teams in Data Quality Working Groups; designed ETL mappings for Core migration; led the Product ETL stream with 40+ mapping revisions; developed enterprise-level data retention logic; performed ETL performance tuning on large datasets; supported cutover, go-live, and post-migration validation; contributed to Salesforce data retention planning and enhancements to Salesforce Data Refresh Tool.
Integration Architect at [24]7.ai
December 31, 2018 - December 31, 2018
Designed ETL processes using Talend; data modeling and Hadoop data extraction; loading via Pig scripting; conducted fit-for-purpose analyses; contributed to Customer Journey Analytics PoC; implemented incremental data loads for client projects; developed internal Talend ETL code in AWS; coordinated product upgrades and deployments; provided production support and built process documentation.
Senior Consultant at Melbourne IT Group
December 31, 2017 - December 31, 2017
Replaced legacy reporting with new Enterprise Data Hub; performed impact analysis using Informatica Meta Center and PowerCenter; created comprehensive documentation and flow charts to support migration; contributed to EDH design.
Informatica Consultant at RXP Services – Microsoft (Queensland Government Project)
August 31, 2017 - August 31, 2017
Requirement gathering for fuzzy search functionality; stakeholder meetings; remediation planning; high-level documentation; supported project deliverables.
Project Lead/ETL Architect and Consultant/Big data developer and Team lead at Tech Mahindra
March 31, 2017 - March 31, 2017
Led ETL design and development across multiple projects; automated file transfers to improve efficiency; delivered Informatica PowerCenter/cloud and big data solutions; led offshore team, estimated LOEs, supported L2 production issues, and mentored data quality teams; delivered initial Data Model for Enterprise Data Lake.
Technical Lead/ETL Designer, Developer/admin and Lead Data Quality Analyst at Capgemini
September 30, 2014 - September 30, 2014
Led end-to-end data migration/integration for multiple clients; gathered requirements, designed ETL mappings, built data models; led Informatica cloud PoC; led data quality initiatives; mentored team; contributed to data warehouse components for BICC; taught data quality and guided Siebel integration projects.
Software Engineer at NTT DATA Corporation (Keane)
August 31, 2009 - August 31, 2009
Implemented complex data-model designs; increased development speed by standardizing ETL design patterns; developed Informatica mappings and scheduling using Orsyp Dollar Universe; mentored team on shell scripting and best practices.

Education

Bachelor of Technology (B. Tech) Electronics and Communications at College of Engineering Chengannur, Cochin University of Science and Technology
January 11, 2030 - November 22, 2025

Qualifications

Oracle Gen AI foundations (certified)
January 11, 2030 - November 22, 2025
OCI AI Fundamentals – Certification
March 1, 2024 - November 22, 2025
Oracle Analytics Cloud Data Visualization
October 1, 2024 - November 22, 2025
Big data Foundations Level1
June 1, 2017 - November 22, 2025
Introduction to Data Science (Microsoft Virtual Academy)
September 7, 2017 - November 22, 2025
Implementing a Data warehouse with SQL Server Jumpstart
August 1, 2017 - November 22, 2025
Practical SQL Reporting with SSRS
August 12, 2017 - November 22, 2025
Advanced Dimensional Data Modelling
December 1, 2016 - November 22, 2025
Oracle Analytics Cloud Data Visualization
January 11, 2030 - November 22, 2025

Industry Experience

Telecommunications, Manufacturing, Retail, Education