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Data Warehouse Subject Matter Expert (SME)

Nationwide IT Services | Arlington, United States | Posted June 19, 2026

Position Overview

Data Warehouse Subject Matter Expert (SME) Position Summary The Data Warehouse Subject Matter Expert (SME) provides senior-level technical leadership in the design, development, optimization, and support of enterprise data warehouse environments.


This role serves as the primary expert for large-scale SQL Server data warehouse platforms, dimensional modeling, reporting and analytics solutions, and modern data management tools.


The SME supports enterprise data initiatives by applying best practices in database architecture, ETL/ELT processes, analytics, and Agile delivery to ensure scalable, high-performing, and reliable data solutions. 100% on-site Secret Clearance required.


Key Responsibilities Serve as the SME for enterprise data warehouse architecture, design, implementation, and performance optimization.


Provide deep technical expertise in large-scale SQL Server database environments, including systems with multi-terabyte data volumes and b...

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