Remote Knowledge Graph & Ontology Architect (Senior)

Cognizant; Lincoln (NE); Remote; USD 130,000 - 160,000; Full time

Benefits offered by this job

Medical/Dental/Vision/Life Insurance

Paid holidays plus Paid Time Off

401(k) plan and contributions

Long-term/Short-term Disability

Paid Parental Leave

Employee Stock Purchase Plan

Job summary

Cognizant Technology Solutions Corporation is seeking a Senior Knowledge Graph & Ontology Architect to design enterprise semantic architectures and govern knowledge graphs for AI-ready systems. You will collaborate with data professionals, AI specialists, and client stakeholders to establish the semantic foundation for analytics, search, and agentic AI.

Responsibilities include designing ontologies, leading domain models, maintaining glossaries, and architecting graph-based platforms with

Qualifications

• 8+ years of experience in data architecture, knowledge graph architecture, ontology engineering, or related disciplines, including significant experience leading ontology and semantic model design initiatives.
• Hands-on expertise with OWL/RDF ontology development, semantic modeling, taxonomy management, and SHACL constraint authoring or equivalent ontology frameworks.
• 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.

Responsibilities

• 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.

Skills

Knowledge graph architecture

Ontology engineering

Python

SQL

GCP BigQuery

Tools

Neo4j

Amazon Neptune

TigerGraph

GraphDB

Stardog

Apache Jena

Spanner Graph

BigQuery

Vector Search

Job description

Cognizant Technology Solutions Corporation is seeking a Senior Knowledge Graph & Ontology Architect to design enterprise semantic architectures and govern knowledge graphs for AI-ready systems. You will collaborate with data professionals, AI specialists, and client stakeholders to establish the semantic foundation for analytics, search, and agentic AI.

Responsibilities include designing ontologies, leading domain models, maintaining glossaries, and architecting graph-based platforms with