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Knowledge Graph Engineer - Investment Data Ontology

Company

Vanguard

Location

city of westminster, england

Posted

June 30, 2026

Position Overview

What You’ll Deliver (POC Scope)

  • An investment fund ontology (OWL 2 / RDF / Linked Data) modeling the product hierarchy: Fund > ShareClass > Listing > Security, with 73+ identifier types (ISIN, SEDOL, CUSIP, LEI, Bloomberg, and more) governed across US, UK, Ireland, Australia, Canada, and Mexico
  • SHACL validation shapes encoding business rules as executable constraints – e.g., A US‑domiciled ETF listing must have a valid ISIN – that flag violations at fund launch and throughout the fund lifecycle
  • SKOS concept schemes harmonizing vocabulary across 8+ internal systems, providing a semantic bridge between source‑of‑record platforms
  • Data integration pipelines mapping relational data into RDF triples (Turtle/N‑Quads) using R2RML, rdflib, or equivalent mapping tooling
  • API layer enabling downstream applications to consume graph data programmatically
  • Automated governance reports surfacing data quality gaps, missing identifie...

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