Energy Ontology Architect & Knowledge Graph Leader

OSW; Palo Alto (CA); On-site; USD 180,000 - 280,000; Full time

Job summary

OSW is building an Energy Ontology to unify data across solar, storage, energy distribution, software, financing and services. We seek a Principal Knowledge Architect to lead semantic architectures and a reusable knowledge layer for AI-ready enterprise data.

You will collaborate with our Global Data Platform Team to define canonical objects, relationships, provenance and data contracts that enable scalable, cross-business insights.

Qualifications

• 8+ years of experience in knowledge architecture, semantic data modelling, data architecture or related fields.
• Experience building knowledge graphs and canonical enterprise data models.
• Strong background in entity resolution, data contracts and governance.
• Proficiency in SQL, Python and API design for data platforms.

Responsibilities

• Define and evolve the Energy Ontology and canonical data model across multiple energy domains.
• Lead ontology governance, data lineage, and provenance for enterprise data.
• Collaborate with Global Data Platform Team to align data contracts and AI readiness.
• Design knowledge graph architecture, entity resolution, and confidence scoring mechanisms.
• Translate business requirements into scalable data and knowledge infrastructure.

Skills

Knowledge graphs

Ontology design

Entity resolution

Data modeling

SQL

Python

APIs

Graph databases

Tools

Neo4j

RDF/OWL

SPARQL

Kafka

Snowflake

Databricks

GraphQL

Job description

OSW is building an Energy Ontology to unify data across solar, storage, energy distribution, software, financing and services. We seek a Principal Knowledge Architect to lead semantic architectures and a reusable knowledge layer for AI-ready enterprise data.

You will collaborate with our Global Data Platform Team to define canonical objects, relationships, provenance and data contracts that enable scalable, cross-business insights.