New 
Senior Ontology Data Modeler
 Tata Consultancy Services | |
$90,000 - $110,000
| |
 United States, Iowa, West Des Moines | |
 Oct 28, 2026 | |
|
Job Description
Senior Ontology Data Modeler
Must Have Technical/Functional Skills *
5+ years in Data Modeling, Data Architecture, and Ontology/Semantic Modeling *
Strong experience in conceptual, logical, and physical data modeling *
Hands-on experience with ontology and semantic modeling using RDF, RDFS, OWL, or related semantic technologies, including knowledge-graph design *
Proficiency with SQL and experience modeling on modern cloud data platforms (AWS; familiarity with object storage and open table formats such as S3/Apache Iceberg is a plus) *
Insurance domain experience (Annuity preferred) *
Experience translating business requirements into scalable data and semantic solutions, working directly with business stakeholders *
Strong analytical, communication, and stakeholder-management skills - able to bridge business and technical teams Preferred Qualifications: *
Hands-on experience with an ontology-based semantic-layer platform (e.g., Timbr) and/or graph databases such as Amazon Neptune, Stardog, or Neo4j *
Familiarity with data governance/metadata platforms such as Collibra, Alation, or Microsoft Purview *
Experience harvesting semantics from existing BI assets (Tableau, Power BI, Business Objects) and ETL pipelines *
Exposure to AI/GenAI, GraphRAG, semantic search, or enterprise knowledge-graph and agentic-AI initiatives *
Familiarity with traditional data-modeling tools (ERwin, ER/Studio, PowerDesigner)
Roles & 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/stored procedures; capture tacit knowledge through structured sessions with business SMEs *
Apply a hybrid modeling approach (bottom-up from source schemas, top-down from business concepts), including refining and validating AI-assisted ontology candidates *
Map ontology concepts to physical data sources and validate model outputs against source-of-truth systems and existing reports *
Treat ontology development like application delivery - versioning, testing, and controlled promotion through DEV QA STAGE PROD, with artifacts managed in Git *
Collaborate with Data Architects, Data Engineers, and business SMEs; support consuming teams across BI, analytics, and AI/agent workflows *
Support data governance, metadata management, data lineage, a nd data quality initiatives *
Ensure alignment with enterprise architecture, industry standards, and data governance best practices
Salary Range- $90,000-$110,000 a year Location
West Des Moines, IA
Function
TECHNOLOGY
Role
Analyst
ID
433098
Skills
Data Modeling
Salary Range
$90,000 - $110,000 | |