Ontology Product Owner — Semantic Platform Lead

Ethereum Technologies; Los Angeles (CA); On-site; USD 140,000 - 210,000; Full time

Job summary

Ethereum Technologies in Los Angeles seeks an experienced Product Owner – Ontology to lead the development and adoption of an enterprise semantic layer across mortgage origination, servicing, data, and AI platforms.

You will translate complex business concepts into governed domain models, collaborate with business stakeholders, data engineers, architects, risk and compliance, and AI developers to establish consistent semantic standards.

Qualifications

• Bachelor's degree in Computer Science, Information Systems, or related field, or equivalent practical experience.
• 8–10 years of overall experience, with at least 5 years in product management, business analysis, or data product ownership.
• Experience delivering semantic modeling, ontology, domain-modeling, or knowledge-representation solutions.
• Strong understanding of ontology concepts.

Responsibilities

• Own the ontology product vision, roadmap, backlog, release planning, and adoption strategy.
• Define and maintain enterprise domain models, entity relationships, class hierarchies, taxonomies, vocabularies, constraints, and semantic standards.
• Establish ontology governance practices, including stewardship, versioning, change control, impact assessment, data lineage, and quality metrics.
• Collaborate with SMEs, data engineers, architects, and risk/compliance teams to map source systems and validate semantic models.
• Translate business requirements into epics, user stories, competency questions, acceptance criteria, and production validation tests.
• Enable governed semantic grounding for knowledge graphs, analytics platforms, LLMs, and AI agents.
• Ensure ontology models support data permissions, traceability, auditability, and enterprise governance.
• Manage complex, cross-functional initiatives across multiple systems and departments.
• Identify opportunities to optimize processes and streamline workflows through technology solutions.
• Drive stakeholder alignment and promote ontology adoption across business and technology teams.

Skills

Ontology concepts

Semantic modeling

Domain modeling

Product management

Education

Bachelor's degree or equivalent

Job description

Ethereum Technologies in Los Angeles seeks an experienced Product Owner – Ontology to lead the development and adoption of an enterprise semantic layer across mortgage origination, servicing, data, and AI platforms.

You will translate complex business concepts into governed domain models, collaborate with business stakeholders, data engineers, architects, risk and compliance, and AI developers to establish consistent semantic standards.