Design, develop, and maintain relational, dimensional, and analytical data models for OLTP and analytical systems. Perform ER diagramming, enforce modeling standards, optimize SQL performance, implement metadata management and data cataloging (Alation/Collibra), support data governance, lineage, time-series/history handling, and collaborate with cross-functional teams in an agile environment.
Location: Chennai
Experience: 6-9 Years
We are looking for a highly skilled Senior Data Modeler with extensive experience in data modeling, SQL, metadata management, and data governance. The ideal candidate will have expertise in relational, dimensional, and analytic data modeling with hands-on experience in databases like Oracle, PostgreSQL, Snowflake, and Teradata. Strong knowledge of data governance, data cataloging tools (Alation, Collibra), and metadata repositories is essential.
Key Responsibilities:- Design, develop, and maintain relational, dimensional, and analytical data models for large-scale OLTP and analytical systems.
- Perform hands-on data modeling, ER diagramming, and enterprise software design for diverse data ecosystems.
- Define and enforce data modeling standards and best practices for scalable and high-performance solutions.
- Work with SQL databases such as Oracle, PostgreSQL, Snowflake, and Teradata, optimizing performance and query tuning.
- Collaborate with cross-functional teams (engineers, architects, product managers) to translate business requirements into effective data models.
- Implement metadata management, data lineage, and data cataloging using tools like Alation and Collibra.
- Ensure data accuracy, completeness, and consistency across data models and maintain comprehensive documentation.
- Support history handling, time-series data warehousing, and complex data transformations.
- Assist teams in adopting data modeling best practices for global, large-scale data-driven implementations.
- Contribute to data governance initiatives and establish a centralized metadata repository.
- Work in a fast-paced, agile environment with short release cycles and iterative development methodologies.
- 7+ years of experience in relational, dimensional, and analytical data modeling.
- Strong SQL skills with hands-on experience in Oracle, PostgreSQL, Snowflake, and Teradata.
- Experience with data modeling tools (Erwin, ER Studio, or similar).
- Expertise in data governance processes and metadata repositories.
- Knowledge of semantic data modeling concepts and multi-fact model designs.
- Strong verbal and written communication skills to interact with engineers, architects, and product managers.
- Ability to work on multiple projects/products simultaneously with minimal specifications.
- Experience in Alation and Collibra for data cataloging and data lineage tracking.
- Knowledge of Python for data processing.
- Experience with Informatica for ETL and data integration.
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