Senior Ontology & Knowledge-Graph Architect

Tata Consultancy Services Limited; West Des Moines (IA); On-site; USD 90,000 - 110,000; Full time

Job summary

Tata Consultancy Services Limited in West Des Moines, IA seeks a Senior Ontology Data Modeler to design enterprise ontologies, semantic data models, and knowledge graphs across insurance domains. You will translate business needs into scalable data solutions and collaborate with stakeholders.

The role requires 5+ years in data modeling with RDF/OWL, SQL, and cloud platforms (AWS). On-site, full-time role with a competitive salary range.

Qualifications

• 5+ years in Data Modeling, Data Architecture, and Ontology/Semantic Modeling.
• Hands-on ontology and semantic modeling with RDF/RDFS/OWL.
• Proficiency with SQL and cloud data platforms (AWS).
• Insurance domain experience preferred (Annuity).
• Ability to translate business requirements into scalable data solutions.
• Strong analytical, communication, and stakeholder-management skills.

Responsibilities

• Design, build, and maintain enterprise ontologies, semantic data models, knowledge graphs, taxonomies, and business vocabularies.
• Define business entities, relationships, hierarchies, metrics, and semantic rules across enterprise data domains.
• Model insurance domains including Policy, Claims, Underwriting, Customer, Product, Sales, and Producer/Agency.
• Harvest existing business logic from reports, dashboards, and ETL; capture tacit knowledge through structured sessions with business SMEs.
• Apply a hybrid modeling approach, including AI-assisted ontology candidates, and validate outputs.
• Map ontology concepts to physical data sources and validate model outputs against source-of-truth systems.
• Version, test, and promote artifacts through DEV/QA/STAGE PROD with Git.
• Collaborate with Data Architects, Data Engineers, and business SMEs; support BI, analytics, and AI workflows.
• Support data governance, metadata management, data lineage, and data quality initiatives.
• Ensure alignment with enterprise architecture, industry standards, and governance best practices.

Skills

Data Modeling

Ontology/Semantic Modeling

SQL

AWS / Cloud Data Platforms

Insurance domain experience

Stakeholder communication

Knowledge-graph design

Tools

Timbr

Amazon Neptune

Stardog

Neo4j

ERwin

ER/Studio

PowerDesigner

Collibra

Alation

Purview

Tableau

Power BI

Job description

Tata Consultancy Services Limited in West Des Moines, IA seeks a Senior Ontology Data Modeler to design enterprise ontologies, semantic data models, and knowledge graphs across insurance domains. You will translate business needs into scalable data solutions and collaborate with stakeholders.

The role requires 5+ years in data modeling with RDF/OWL, SQL, and cloud platforms (AWS). On-site, full-time role with a competitive salary range.