Top 18 Ontologist Jobs

Ontologist
IStream Solutions —Remote
- $96,876.61 - $100,668.61 a year
- Full-time
- Remote
- Senior level
Quick Apply
Ontologist
SOSi —Remote
- Full-time
- Remote
- Computer Science
- 11+ years
- Java
Quick Apply
Data Modeler - GEOINT Standards (Ontologist) SME #2070
Compass, Inc. —Springfield, VA
- Master's degree
- Senior level
- Associate's degree
Quick Apply
Ontologist - SOUTHCOM EDA
Celestar Corporation —Remote
- Full-time
- Computer Science
- 11+ years
- Java
- Paid holidays
- Disability insurance
Healthcare Ontologist
Oran Inc —Herndon, VA
- Hybrid work
- Computer Science
- Master's degree
- 8 years
Quick Apply
Ontologist
Quiet Professionals LLC —Tampa, FL
- Full-time
- Computer Science
- 11+ years
- Java
Quick Apply
13d
AI Engineer - Data Ontologist
TELUS Digital —Charlottesville, VA
- $150,000 - $174,000 a year
- Full-time
- Hybrid work
- Azure
- Office
- AWS
Ontologist
Prescient Edge Federal —Doral, FL
- Full-time
- Computer Science
- 11+ years
- Office
- Health insurance
- Dental insurance
Business Analyst - Ontologist
High5 —Alpharetta, GA
- $30 - $38 an hour
- Temporary
- Computer Science
- Mid-level
- Office
Ontologist - Sr
Nalley Consulting —Doral, FL
- Full-time
- Computer Science
- 11+ years
- Office
- Paid parental leave
- Paid holidays
Knowledge Graph Engineer / Ontologist
The Hartford —Charlotte, NC
- $156,000 - $234,000 a year
- Full-time
- Remote
- Computer science
- Computer Science
- Office
Project Manager (Ontologist)
Streamline Defense —Miami, FL
- Full-time
- Computer Science
- DevOps
- 11+ years
Quick Apply
14h
Lead Ontologist - OBIQUA
Celestar Corporation —Reston, VA
- Full-time
- 5 years
- Master's degree
- Bachelor's degree
- Paid holidays
- Disability insurance
8d
Ontologist III, Product Knowledge Ontology
Amazon.com Services LLC —Seattle, WA
- $102,700 - $179,700 a year
- Full-time
- 5 years
- Master's degree
- Mentoring
- AD&D insurance
- Health insurance
1d
Senior Ontologist (TS/SCI cleared)
Johns Hopkins Applied Physics Laboratory (APL) —Laurel, MD
- $105,000 - $290,000 a year
- Full-time
- Computer Science
- Master's degree
- Analysis skills
- Disability insurance
- Health insurance
7d

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AI Engineer
Anika Systems —Remote
You will be expected to make sound technical calls under federal compliance, security, and procurement constraints.
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NLP & Scientific Reasoning Post-Doc
NovaGen Research Fund —Washington, DC
PhD in natural language processing, computational linguistics, computer science, information science, or a related field. Paid Time Off (Including Holidays).
$80,000 - $92,000 a year
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Ontologist

IStream Solutions
Remote

Quick Apply

Job Details

Full-time
$96,876.61 - $100,668.61 a year

Qualifications

Ontology
ICD-10
CDISC standards
Controlled vocabularies
Master data management

Full Job Description

Ontologist / Healthcare Data Standards Specialist — Job DescriptionPosition Summary

We are seeking an experienced Ontologist / Healthcare Data Standards Specialist to design, manage, and optimize clinical and healthcare data ontologies, taxonomies, and semantic interoperability frameworks. This role supports enterprise data standardization initiatives across healthcare, life sciences, clinical research, and health informatics platforms using standards such as FHIR, HL7, SNOMED CT, LOINC, RxNorm, ICD-10, UMLS, and CDISC.

The ideal candidate will have strong expertise in semantic modeling, healthcare interoperability, terminology services, metadata governance, and clinical data harmonization.

Key Responsibilities

Design, develop, and maintain healthcare ontologies, taxonomies, vocabularies, and semantic data models.
Map and normalize healthcare data using industry standards including:
HL7 International FHIR / HL7
SNOMED International SNOMED CT
LOINC
RxNorm
UMLS
CDISC
ICD-10
Develop terminology mapping strategies across disparate EHR, claims, laboratory, and research datasets.
Collaborate with data architects, clinicians, informaticists, analysts, and engineering teams to improve semantic interoperability.
Build and maintain ontology governance frameworks, metadata repositories, and controlled vocabularies.
Support implementation of terminology services and master data management (MDM) solutions.
Create data dictionaries, semantic models, concept hierarchies, and relationship mappings.
Validate data consistency, lineage, and conformance with healthcare interoperability standards.
Participate in enterprise data governance and healthcare interoperability initiatives.
Support AI/ML and analytics teams by enabling standardized and semantically enriched healthcare datasets.

Pay: $96,876.61 - $100,668.61 per year

Work Location: Remote

Quick Apply

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Ontologist jobs

Ontologist

Ontologist

Data Modeler - GEOINT Standards (Ontologist) SME #2070

Ontologist - SOUTHCOM EDA

Healthcare Ontologist

Ontologist

AI Engineer - Data Ontologist

Ontologist

Business Analyst - Ontologist

Ontologist - Sr

Knowledge Graph Engineer / Ontologist

Project Manager (Ontologist)

Lead Ontologist - OBIQUA

Ontologist III, Product Knowledge Ontology

Senior Ontologist (TS/SCI cleared)

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