Senior Knowledge Graph Architect & Ontology Lead

Cognizant Technology Solutions Corporation; Annapolis (MD); À distance; USD 130 000 - 160 000; Plein temps

Avantages offerts par ce poste

Medical/Dental/Vision/Life Insurance

Paid holidays plus PTO

401(k) plan

Résumé du poste

Cognizant Technology Solutions Corporation is seeking a Senior Knowledge Graph & Ontology Architect to design and govern enterprise semantic architectures for trusted, scalable AI-ready knowledge systems.

You will lead ontology design, governance processes, and graph-based platforms using Neo4j, Neptune, TigerGraph, and more, collaborating with data teams and stakeholders to enable enterprise search, analytics, and AI solutions.

Qualifications

• 8+ years of experience in data architecture, knowledge graph architecture, ontology engineering, or related disciplines.
• Hands-on expertise with OWL/RDF ontology development, semantic modeling, taxonomy management, and SHACL constraint authoring.
• Experience architecting graph-based knowledge systems using platforms such as Neo4j, Amazon Neptune, TigerGraph, GraphDB, Stardog, Apache Jena, Spanner Graph, or similar technologies.
• Strong proficiency in Python and SQL, with working knowledge of Google Cloud Platform services including BigQuery, Dataplex, and Vector Search.
• Experience establishing data governance frameworks, including business glossaries, KPI definitions, lineage standards, access controls, and metadata governance.
• Proven ability to collaborate with technical and business stakeholders to resolve complex data modeling challenges and drive enterprise architecture decisions.

Responsabilités

• Design and govern enterprise ontologies, semantic models, and knowledge graph architectures, including OWL/RDF ontologies, classes, properties, taxonomy structures, and SHACL validation frameworks.
• Lead the development of business domain models and governed vocabularies across key entities, ensuring consistency, traceability, and alignment with business objectives.
• Define and maintain enterprise business glossaries, KPI registries, semantic standards, and governance processes, including ownership models and change management workflows.
• Architect graph-based knowledge platforms using technologies such as Spanner Graph, Neo4j, Amazon Neptune, TigerGraph, GraphDB, Dataplex, BigQuery, and Vector Search.
• Partner with engineering, AI, and platform teams to establish governance controls, security standards, lineage frameworks, and AI architecture guardrails that ensure trustworthy and scalable solutions.

Connaissances

OWL/RDF

Semantic modeling

Taxonomy management

SHACL

Python

SQL

GCP BigQuery

Outils

Neo4j

Amazon Neptune

TigerGraph

GraphDB

Stardog

Apache Jena

Spanner Graph

Dataplex

BigQuery

Vector Search

Description du poste

Cognizant Technology Solutions Corporation is seeking a Senior Knowledge Graph & Ontology Architect to design and govern enterprise semantic architectures for trusted, scalable AI-ready knowledge systems.

You will lead ontology design, governance processes, and graph-based platforms using Neo4j, Neptune, TigerGraph, and more, collaborating with data teams and stakeholders to enable enterprise search, analytics, and AI solutions.