WebMD · 1 week ago
Sr. Ontologist
United States
Full-time
Remote
Senior Level
$110K/yr - $135K/yr
6+ years expWebMD Ignite, a division of WebMD, serves as a growth partner for healthcare organizations, guiding individuals towards better health. The Senior Ontologist will create and manage enterprise schemas and information models for taxonomies and ontologies, collaborating with software engineers and product managers to integrate these models into various products and tools.
Health CareInformation ServicesInternetMental HealthOnline PortalsPublishing
Hiring Manager
Krista Frias
Responsibilities
Creates, manages, and governs the enterprise schemas for WebMD Ignite taxonomies and ontologies
Partners with software engineers and product managers to Integrate the information models for use in WebMD Ignite products, including clinical and consumer search, internal and external API endpoints, product information architecture, and AI tools
Ensures that information structures and systems support current and future product and content needs. This entails working closely with taxonomy and search strategist, the knowledge engineering manager, many product managers, integration engineers, search engineers, and sometimes clients
As needed, partners with product designers and user experience researchers to test and implement information structures in user interfaces
Acts as a power user and backup administrator for WebMD Ignite’s taxonomy and ontology management system
Works closely with system administrator and KE team members to coordinate software updates, optimize performance, maintain and clean up data, build and implement new features, and troubleshoot application errors
Partners with engineering teams to integrate our ontology management systems, update our internal data and structures with the UMLS, extract and transform data into RDF and other formats, and to work on other projects as needed
Leads special projects, including custom SPARQL/GraphQL reports, data cleanup and optimization projects, data mapping, and medical code set integration
Documents best practices and processes for managing and versioning the ontology and integrated taxonomies and metadata
Stays abreast of emerging trends and advancements in ontology engineering, knowledge representation, and semantic technologies
Trains and mentors KE team members and others in the organization on taxonomy/ontology engineering and information modeling
Qualification
Required
Master's in Library Science, Information Science, Computer Science, Computational Linguistics, or related field
6+ years of experience working in taxonomy/ontology engineering and semantic modeling
In-depth understanding of semantic web standards and technologies including RDF, OWL, SKOS, SPARQL, GraphQL, and SHACL
Ability to write complex queries in SPARQL, GraphQL, and/or SQL
Direct knowledge of the UMLS and associated taxonomies such as SNOMEDCT, ICD-10, RxNorm, CPT, and LOINC is a significant plus
Experience administering a taxonomy management system, such as TopBraid EDG
Demonstrated ability to work in a team environment
Very strong social and communication skills. Ability to present ideas clearly and with confidence across diverse settings and groups in the organization
All offers are contingent upon the successful completion of a background check
Preferred
Direct knowledge of the UMLS and associated taxonomies such as SNOMEDCT, ICD-10, RxNorm, CPT, and LOINC is a significant plus
Experience administering a taxonomy management system, such as TopBraid EDG
Relevant experience in the healthcare industry is a plus
Benefits
Health Insurance (medical, dental, and vision coverage)
Paid Time Off (including vacation, sick leave, and flexible holiday days)
401(k) Retirement Plan with employer matching
Life and Disability Insurance
Employee Assistance Program (EAP)
Commuter and/or Transit Benefits (if applicable)
Company
WebMD
WebMD is a healthcare center that offers mental health, pain management, and breast cancer services.
1001-5000 employees
H1B Sponsorship
WebMD has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (19)
2024 (11)
2023 (15)
2022 (24)
2021 (23)
2020 (20)
Funding
Current Stage
Late StageTotal Funding
unknown1996-01-01Series Unknown
Leadership Team
Dominique Jean
Chief Technology Officer
Ben Mansfield
Vice President Client Services & Operations
Recent News
2025-10-30
SearchEngineLand
2025-10-11
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