Database Developer

About the role

SCCI is seeking a mid-level Database Developer to join our team. In this position you will support the design and implementation of a cohesive enterprise data ontology across a diverse portfolio of projects and systems. This role is central to transforming fragmented and unstructured data into a unified, well-modeled data ecosystem that supports analytics, interoperability, and long-term scalability. You will work closely with architects, data engineers, and domain stakeholders to define consistent data structures, normalize and map disparate datasets, and contribute to a shared enterprise data vision. This position is located in Dahlgren, VA.

Responsibilities

• Database Design & Modeling
  • Design, implement, and maintain relational and non-relational database schemas aligned with enterprise data standards
  • Develop logical and physical data models that support scalability, performance, and maintainability
  • Normalize and optimize table structures while balancing performance considerations
• Enterprise Data Ontology Development
  • Contribute to the definition and evolution of an enterprise-wide data architecture
  • Map data elements across systems into a unified conceptual model
  • Define relationships, hierarchies, and semantic consistency across datasets
  • Collaborate with stakeholders to standardize naming conventions and data definitions
• Structured & Unstructured Data Integration
  • Analyze unstructured and semi-structured data (JSON, logs, documents, etc.) and design strategies to structure and integrate it
  • Develop transformation pipelines to align disparate data sources into cohesive schemas
  • Support metadata tagging and classification efforts
• Data Transformation & ETL Support
  • Build and maintain a pipeline to extract, transform, load (ETL/ELT) and cleanse data
  • Ensure data integrity, consistency, and traceability across systems
  • Support data lineage and auditability requirements
• Cross-System Data Alignment
  • Work across multiple project teams to reconcile differences in data structures and definitions
  • Identify duplication, inconsistency, and gaps in existing data models
  • Propose and implement standardized solutions
• Performance & Optimization
  • Tune queries, indexes, and database configurations for performance and efficiency
  • Monitor database health and implement improvements as needed
• Documentation & Governance
  • Maintain clear documentation of schemas, data models, and ontology mappings
  • Support data governance initiatives, including data quality standards and validation rules
  • Contribute to best practices and development standards

Qualifications

• Must be a U.S. Citizen and be able to obtain and maintain an active Secret Security Clearance
• Bachelor's (BS) Degree in Information Systems, Computer Science, Engineering, or Math; Or five (5) years technical experience with information management in lieu of degree
• Three (3) - Six (6) years of experience in database development
• Strong proficiency in SQL and relational database design (e.g., PostgreSQL, SQL Server, Oracle, MySQL)
• Experience designing normalized schemas and understanding tradeoffs with denormalization
• Familiarity with handling semi-structured/unstructured data (e.g., JSON, XML, document stores)
• Experience with ETL/ELT processes and data transformation pipelines
• Solid understanding of data modeling concepts (ER diagrams, dimensional modeling, etc.)
• Ability to translate business/domain concepts into structured data representations

Preferred Skills And Experience

• Active Secret Security Clearance
• Experience contributing to or working with data ontologies, semantic models, or knowledge graphs
• Familiarity with data cataloging, metadata management, or data governance tools
• Exposure to NoSQL databases (MongoDB, Cassandra, etc.) and hybrid data architectures
• Experience with cloud data platforms (AWS, Azure, GCP)
• Experience with Docker containerization
• Knowledge of data lineage, data quality frameworks, and master data management (MDM)
• Basic scripting or programming skills (Python, Bash Script, etc.) for data processing

Benefits

SCCI offers a comprehensive and competitive benefits package including Health, Dental, Vision, Life and Disability benefits, 401k with Company Match, time off consisting of 2 weeks of paid vacation, 48 hours of sick/personal leave, and 11 paid Holidays.