Remote Senior Knowledge Graph & Ontology Architect

Cognizant; Frankfort (KY); Remote; USD 130,000 - 160,000; Full time

Benefits offered by this job

Medical/Dental/Vision/Life Insurance

Paid holidays + PTO

401(k) plan

Disability insurance

Paid parental leave

Employee stock purchase plan

Job summary

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

The role emphasizes OWL/RDF ontologies, governance, and leading graph platforms with strong Python/SQL skills in a data-driven environment.

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.
• Experience architecting graph-based knowledge systems using Neo4j, Neptune, TigerGraph, GraphDB, Stardog, Jena, Spanner Graph.
• Strong proficiency in Python and SQL with working knowledge of Google Cloud services.
• Experience establishing data governance frameworks, including glossaries, KPI definitions, and metadata governance.
• Proven ability to collaborate with technical and business stakeholders to drive enterprise decisions.

Responsibilities

• Design and govern enterprise ontologies, semantic models, and knowledge graph architectures.
• Lead business domain models and governed vocabularies aligned with business objectives.
• Define governance processes, ownership models, and change management workflows.
• Architect graph-based knowledge platforms using leading graph technologies and cloud services.
• Partner with engineering, AI, and platform teams to establish security, lineage, and guardrails.

Skills

Data architecture

Knowledge graph architecture

Ontology engineering

Python

SQL

Stakeholder collaboration

Data governance

Tools

Neo4j

Amazon Neptune

TigerGraph

GraphDB

Stardog

Apache Jena

Spanner Graph

GQL

BigQuery

Dataplex

Vector Search

Job description

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

The role emphasizes OWL/RDF ontologies, governance, and leading graph platforms with strong Python/SQL skills in a data-driven environment.