Lead AI Knowledge Engineer: Ontologies & Graphs

Fusion5; Wellington; On-site; NZD 90,000 - 130,000; Full time

Job summary

Fusion5's Applied Intelligence team shapes knowledge foundations behind intelligent AI agents in real-world environments. We seek an AI Knowledge Engineer to turn complex business knowledge into structured, trusted context that agents can use in production.

You will model ontologies, knowledge graphs and semantic models, define source mappings and governance, and ensure production-readiness across our knowledge engineer practice.

Qualifications

• Hands-on experience designing and delivering ontologies, knowledge graphs and semantic models in complex enterprise environments.

Responsibilities

• Design ontologies, knowledge graphs and semantic models for enterprise data.
• Establish mappings, governance and production-ready context for AI agents.

Skills

Ontology & knowledge graphs

Semantic modelling

Entity identity & relationships

Source mappings & data governance

Model validation & versioning

LLM grounding & retrieval

Leading technical delivery & mentoring

Tools

Neo4j

Microsoft Fabric IQ

Databricks Genie Ontology

Unity Catalog

Microsoft Purview

Collibra

Alation

Atlan

Cypher

SPARQL

GQL

RDF

OWL

SHACL

Job description

Fusion5's Applied Intelligence team shapes knowledge foundations behind intelligent AI agents in real-world environments. We seek an AI Knowledge Engineer to turn complex business knowledge into structured, trusted context that agents can use in production.

You will model ontologies, knowledge graphs and semantic models, define source mappings and governance, and ensure production-readiness across our knowledge engineer practice.