Principal Ontology Architect – Healthcare

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🔥 0 minutes ago

🇺🇸 United States – Remote

⏳ Contract/Temporary

🔴 Lead

🏛️ Architect

👻 Ghost score 12%

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Virtasant

WebsiteLinkedInAll Job Openings

51 - 200 employees

💼 Consulting

🏢 Enterprise

🤝 B2B

Consulting • Enterprise • B2B

Virtasant is a cloud services and optimization company that helps businesses migrate to, manage, and build on public cloud platforms. They combine a proprietary automation platform with managed services and FinOps expertise to reduce cloud costs (claiming average savings of over 50%), support Cloud FinOps programs, and deliver outcome-based engagements rather than hourly or seat-based billing. Virtasant also provides enterprise AI guidance and partners with major cloud providers (AWS, Google Cloud, Azure) to deliver migration, optimization, and 24/7 managed operations.

📋 Description

• Lead ontology and semantic design for a large enterprise healthcare-operations program • Work directly with senior client stakeholders • Present real-world experience with designed and delivered ontologies • Use ontology and knowledge-graph design to support executive operational decisions • Help stakeholders act on decisions and measure results • Start from executive questions and metrics, conduct domain-expert workshops, and translate findings into technical models • Design and ship production ontologies • Model hands-on with property-graph or RDF databases • Lead ontology governance and semantic design practices • Support decision-intelligence modeling, AI-agent grounding, rules engines, and modern cloud data platforms as applicable

🎯 Requirements

• Must have designed and shipped production ontologies that drove real decisions, not just taxonomies or metadata catalogs • Must be able to discuss two or three production ontologies, including the business problem, model, failures, and improvements • Business-first modeling experience: starting from executive questions and metrics, running domain-expert workshops, and translating outcomes into a technical model • Hands-on graph modeling with a property-graph or RDF database • Ability to evaluate when a graph is appropriate and justify that decision to skeptical architects • Healthcare operations experience, such as workforce, scheduling, or clinical operations • Experience presenting to C-level stakeholders and responding to live challenges • Available immediately • Strong plus: Palantir Foundry Ontology (objects, links, actions) • Strong plus: Ontology governance, including versioning, change control, stable identifiers, shared cores, and client-specific extensions • Strong plus: Decision-intelligence modeling, including KPI trees, root-cause analysis, recommendations, and closed-loop measurement • Strong plus: Grounding AI assistants or agents in an ontology or knowledge graph • Strong plus: Rules engines alongside an ontology • Strong plus: Modern cloud data platforms • US-based with US work authorization • Contractor

🏖️ Benefits

• Immediate start, part-time for the first few weeks • Expected to move to full time on a multi-year engagement • Occasional US travel

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