Senior Data Modeler Consultant

Job Summary

Summary Introduction:

Design implement optimize enterprise data architecture and models that represent complex data using relational dimensional and NoSQL databases and ensure data is structured for high performance clarity and long-term scalability across both operational and analytical systems. Data Modeler will be the translator between business stakeholders and data engineering teams.

Key Responsibilities:

• Assessment - Review current data models to understand the AS-IS environment.
• Conceptual Logical and Physical Modeling - Plan design and maintain blueprints of the TO-BE data models for OLTP (operational) OLAP (analytical) and Enterprise Data Lakehouse environments and how data will be stored managed and used.
• Business Alignment - Understand business processes and translate them into robust data requirements and review current report design documents to understand where data model structures can address business requirements.
• Multi-Paradigm Modeling - Designing 3NF (Third Normal Form) for transactional databases Dimensional Models (Kimball/Star Schema) for data warehousing and Data Vault 2.0 for scalable enterprise data lakes.
• Data Quality - Transform unstructured data into structured data by fixing errors eliminate redundancies and unnecessary data to optimize data systems.
• Performance Optimization - Optimize query performance through smart indexing partitioning and materialization strategies.
• Data Governance - Establish enforce and implement best practices data naming standards data definitions maintain data maps and relevant diagrams for data systems and metadata management.
• Data Security - Specify rules and guidelines for ensuring data security and compliance. Define procedures for ensuring data are classified according to their sensitivity.
• Tooling & Documentation - Maintain data schemas using modern standards modeling tools and ensure documentation is accessible to both technical and non-technical users.

Qualifications :

• . Degree with a minimum of 5 years of dedicated data modeling experience in enterprise relational databases columnar databases.
• SQL Proficiency - Write read and optimize complex SQL transactional and analytical queries
• Modern Data Stack Familiarity - Experience modeling for cloud data warehouses/lakehouses (e.g. SQLSERVER Hadoop Snowflake BigQuery Databricks) working alongside transformation tools (e.g. dbt) and create ERDs for relational systems and dimensional diagrams.
• Tooling - Proficiency with ER/Studio Erwin or similar data modeling software.
• NoSQL/Unstructured Data - Understanding of when and how to model semi-structured data (JSON Parquet) and NoSQL databases (MongoDB Cassandra) alongside relational data.
• Physical Data Management - Understand current data storage constrains and define TO-BE needs with growth allocation.
• Data Integration - Familiar with ETL tools to define the rules for data transformations and prepare data for big data analytics.
• Soft Skills: Communication presentation skills Business needs able to lead or mentor a team.

Certificates: W3school SQL Certification DAMA-CDMP Certification Microsoft: Azure Data Engineer Associate.

Additional Information :

Business Unit: DAIC

Level: Mid-senior level

Remote Work :

No

Employment Type :

Full-time

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