Semantic Architect: Knowledge Graphs & Ontology Design

Accenture Federal Services; Chantilly (VA); On-site; USD 110,000 - 214,000; Full time

Job summary

Accenture Federal Services seeks a seasoned Semantic Architect to lead architecture, design, and implementation of enterprise knowledge graphs and ontologies. You will transform unstructured data into interconnected, machine-readable intelligence to enable semantic search and AI capabilities.

You will collaborate with data scientists and software engineers to integrate semantic frameworks with enterprise graph databases and AI pipelines, establishing governance and quality controls across

Qualifications

• Bachelor's degree required.
• 10 years of experience in semantic architecture or related field.
• US Citizenship with Active TS/SCI CIP.
• Proficiency in semantic web standards: OWL, RDF, SHACL.
• Experience with enterprise graph databases (GraphDB, Neo4j).
• Strong collaboration with cross-functional teams.
• Expertise in designing and implementing semantic schemas and frameworks.
• Familiarity with Retrieval-Augmented Generation and vector search workflows.

Responsibilities

• Engineer domain-specific ontologies, taxonomies, and vocabularies using OWL/RDF/SHACL.
• Design semantic schemas for interoperability and metadata management.
• Collaborate with data scientists, engineers, and AI architects to integrate semantic frameworks with graph databases and AI pipelines.
• Establish data governance, validation workflows, and data harmonization to ensure data quality.
• Translate complex business domains into structured semantic models for entity resolution and context-aware AI.

Skills

TS/SCI CIP

Bachelor's degree

10 years experience

OWL RDF SHACL

GraphDB Neo4j

Collaboration

Semantic schemas

RAG and vector search

Education

Bachelor's degree

Tools

OWL

RDF

SHACL

GraphDB

Neo4j

Job description

Accenture Federal Services seeks a seasoned Semantic Architect to lead architecture, design, and implementation of enterprise knowledge graphs and ontologies. You will transform unstructured data into interconnected, machine-readable intelligence to enable semantic search and AI capabilities.

You will collaborate with data scientists and software engineers to integrate semantic frameworks with enterprise graph databases and AI pipelines, establishing governance and quality controls across