New 
Data Architect/ Data Modeler
 Quadrant, Inc. | |
 United States, Maryland, Bethesda | |
 Apr 15, 2026 | |
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Data Architect/ Data Modeler Bethesda, MD (hybrid) Pay From: $75.00 per hour MUST: Data Architect/ Data Modeler HHS Public Trust Clearance 5+ years of experience in data architecture, data modeling, or database design Demonstrated experience modernizing legacy relational databases, particularly Oracle-based systems Strong expertise in data modeling techniques (3NF, dimensional modeling, domain modeling) Deep experience with PostgreSQL or similar modern relational databases Proven experience designing data models that support API-driven or microservices-based architectures Experience planning and executing data migrations from Oracle to PostgreSQL Strong SQL expertise including schema design, query optimization, and performance tuning Experience working in AWS environments and aligning data architecture with cloud-native services Understanding of GraphQL data modeling concepts and API integration patterns Experience working in Agile delivery environments with cross-functional teams Strong communication skills with the ability to translate complex data concepts to technical and non-technical stakeholders Preferred Experience supporting federal, scientific, or research-oriented programs Preferred Familiarity with GraphQL schema design tools and federation patterns Preferred Experience with data governance frameworks, metadata management, and data stewardship practices Preferred Hands-on experience with AWS data services such as RDS (PostgreSQL), S3, Glue, Redshift, and Athena Preferred Experience using data modeling tools (ER/Studio, ERwin, Lucidchart, or similar) Preferred Familiarity with domain-driven design (DDD) and event-driven architectures Preferred Experience working in regulated environments (FedRAMP, FISMA, NIST 800-53) Preferred Exposure to data cataloging and lineage tools Preferred Experience mentoring engineers and establishing enterprise data standards DUTIES: This role focuses on modernizing a legacy Oracle data environment into a scalable, well-governed, and API-driven architecture using PostgreSQL, GraphQL, and AWS-native services. The Architect establishes authoritative data models, resolves legacy data inconsistencies, and defines standards that enable high-quality, interoperable, and reusable data across applications and analytics platforms. This role partners closely with application, API, and DevSecOps teams to ensure that data design aligns with modern microservices and federated GraphQL architectures. Working within a regulated federal environment, the Architect ensures that data is structured for integrity, auditability, and long-term sustainability while supporting cloud migration and digital modernization initiatives. This role is focused on data architecture and modeling leadership, not primarily on building ETL pipelines. The ideal candidate defines how data should be structured and governed, enabling engineers to implement scalable and maintainable solutions. Quadrant is an affirmative action/equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, status as a protected veteran, or status as an individual with a disability. "Healthcare benefits are offered to all eligible employees according to compliance mandated by the Affordable Care Act". | |