Senior Data Architect & Knowledge Graph Lead

i3; Chantilly (VA); On-site; USD 140,000 - 180,000; Full time

Job summary

i3 in Chantilly, VA seeks an experienced Data Architect SME to lead the design and governance of the enterprise data environment. Top Secret clearance is required, with at least a Bachelor's degree and 10 years of relevant experience.

The role integrates traditional databases with modern data platforms and semantic technologies to enable advanced analytics and AI. You will set data standards, ensure secure cross-environment data sharing, and collaborate with engineering and AI teams to maintain

Qualifications

• 10+ years of experience in data architecture or related areas.
• Bachelor's degree required.
• Experience with enterprise data platforms, distributed systems, and modern data pipelines.
• Familiarity with semantic technologies (RDF, OWL, SPARQL), ontologies, and knowledge graph design.
• Experience with metadata management, data lineage, and data governance processes.
• Knowledge of cloud data services and secure, multi-environment data integrations.
• Ability to communicate complex technical concepts clearly to non-technical stakeholders.

Responsibilities

• Design and maintain enterprise data architectures that integrate multiple data systems.
• Build and manage knowledge graphs, ontologies, and metadata structures that improve data context and discovery.
• Develop secure, well-governed data pipelines and processes for high quality, trusted data.
• Support AI and analytics teams by providing structured, contextual data for model development and retrieval workflows.
• Establish data governance, data quality, and metadata standards across the organization.
• Evaluate new technologies and recommend improvements to data platforms and processes.
• Ensure data sharing and access follow security, compliance, and zero trust requirements.

Skills

Data architecture

Data engineering

Distributed systems

Knowledge graph design

Semantic technologies

Metadata management

Data governance

Cloud data services

Cross-functional communication

Education

Bachelor's degree

Tools

Kubernetes

Docker

PostgreSQL

Temporal.io

React/TypeScript

Python

LanceDB/Lance graph

Job description

i3 in Chantilly, VA seeks an experienced Data Architect SME to lead the design and governance of the enterprise data environment. Top Secret clearance is required, with at least a Bachelor's degree and 10 years of relevant experience.

The role integrates traditional databases with modern data platforms and semantic technologies to enable advanced analytics and AI. You will set data standards, ensure secure cross-environment data sharing, and collaborate with engineering and AI teams to maintain