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Ontology Jobs (NOW HIRING)

Ontology Expert - Healthcare AI Solutions Day to Day job Duties: (what this person will do on a daily/weekly basis) Role Summary We are seeking an experienced Ontology Expert to design, develop, and ...

Director, Data Ontology

New York, NY · On-site

$180K - $200K/yr

Ontology is a new and critical function at DeepIntent, and its core purpose is to organize and curate business context and data across the company. You will build it. Your job is to define, document ...

SOSi is seeking a Senior Ontology Expert/Project Manager to support mission requirements for a structured approach to further develop, integrate, and sustain a scalable, federated data ecosystem that ...

Director, Data Ontology

New York, NY · On-site

$180K - $200K/yr

Ontology is a new and critical function at DeepIntent, and its core purpose is to organize and curate business context and data across the company. You will build it. Your job is to define, document ...

SOSi is seeking a Senior Ontology Expert/Project Manager to support mission requirements for a structured approach to further develop, integrate, and sustain a scalable, federated data ecosystem that ...

SOSi is seeking a Senior Ontology Expert/Project Manager to support mission requirements for a structured approach to further develop, integrate, and sustain a scalable, federated data ecosystem that ...

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Ontology information

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$12

$19

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How much do ontology jobs pay per hour?

As of Jul 7, 2026, the average hourly pay for ontology in the United States is $19.35, according to ZipRecruiter salary data. Most workers in this role earn between $15.87 and $21.15 per hour, depending on experience, location, and employer.

What is job description ontology?

A job description ontology is a structured framework that models the concepts, skills, responsibilities, and qualifications associated with a specific job role. It helps in standardizing job descriptions, improving job matching, and supporting HR analytics by using formal representations such as taxonomies and semantic relationships. Professionals working with ontologies often utilize tools like OWL or RDF to develop and manage these models.

What jobs make $3,000 a month without a degree?

For roles related to ontology or data management, entry-level positions such as data annotator, content reviewer, or administrative assistant can sometimes pay around $3,000 monthly without requiring a degree. These jobs often focus on skills like attention to detail, basic computer literacy, and familiarity with data tools, and may be found in tech, research, or administrative environments.

What does ontology work?

Ontology work involves developing and managing structured frameworks that define the relationships and categories within a specific domain of knowledge. It requires skills in knowledge representation, semantic modeling, and often uses tools like Protégé or OWL to create and maintain ontologies for data integration, AI, or information systems.

What are the typical daily responsibilities of an Ontology Specialist?

As an Ontology Specialist, your daily tasks often involve designing and maintaining domain ontologies, collaborating with subject matter experts to capture and model knowledge, and working closely with data engineers and software developers to implement semantic solutions. You may also be responsible for updating and optimizing existing ontologies, conducting quality checks to ensure data consistency, and documenting changes for team reference. Additionally, participating in meetings to gather new requirements or resolve data integration challenges is common. This role requires a balanced mix of independent technical work and active communication with various stakeholders to ensure semantic models meet both technical and business objectives.

What are the key skills and qualifications needed to thrive in the Ontology position, and why are they important?

To excel as an Ontology Specialist, you need a strong background in information science, semantic modeling, and data analysis, often supported by a degree in computer science or related fields. Familiarity with ontology development tools like Protégé, knowledge of OWL/RDF/SPARQL, and experience with database management systems are highly valuable. Strong analytical thinking, attention to detail, and effective communication skills are crucial for bridging technical concepts with business needs. These skills ensure precise structuring of complex data, effective interdisciplinary collaboration, and the creation of robust, scalable ontology solutions.

What is an Ontology job?

An Ontology job involves designing, developing, and managing structured frameworks that define relationships between concepts in a specific domain. Ontologists work with knowledge representation, semantic data modeling, and taxonomies to improve data interoperability and retrieval. They often collaborate with data scientists, engineers, and domain experts to ensure accurate and meaningful data organization.

What are the positions of ontology?

Ontology professionals typically hold roles such as Ontology Engineer, Ontology Developer, or Knowledge Engineer, focusing on designing, developing, and maintaining formal representations of knowledge. These positions often require skills in semantic modeling, data integration, and tools like OWL or Protégé, and may involve collaboration with data scientists and domain experts.
More about Ontology jobs
What cities are hiring for Ontology jobs? Cities with the most Ontology job openings:
What are the most commonly searched types of Ontology jobs? The most popular types of Ontology jobs are:
What states have the most Ontology jobs? States with the most job openings for Ontology jobs include:
Infographic showing various Ontology job openings in the United States as of July 2026, with employment types broken down into 95% Full Time, 2% Part Time, and 3% Contract. Highlights an 79% Physical, 2% Hybrid, and 19% Remote job distribution, with an average salary of $40,251 per year, or $19.4 per hour.
Solutions Architect - Digital Thread (Ontology)

Solutions Architect - Digital Thread (Ontology)

PeopleTec, Inc.

Huntsville, AL • On-site

Full-time

Posted 25 days ago


Job description

Opportunity
PeopleTec is currently seeking a Solutions Architect - Digital Thread (Ontology) to support our Huntsville, AL location.
PeopleTec is hiring an Ontology Architect to design and govern the ontology ecosystem that anchors the digital thread for our Digital Test Environment. This role owns the linked-data foundation, the ontologies, triplestore, and validation logic that makes the digital thread an Authoritative Source of Truth across mission, system, and test layers.
Responsibilities:
  • Design, build, and govern the ontology stack (top-level, mid-level, and domain ontologies) in OWL, extending Basic Formal Ontology (BFO) and the Common Core Ontologies (CCO).
  • Define the linked-data architecture: triplestore repository structure (e.g., Stardog or GraphDB), IRI/namespace conventions, ontology versioning, and import/dependency management.
  • Establish the alignment between SysML model elements and ontology classes via stereotypes, tags, and metadata, supporting the Mission and System of Analysis (MSoA) and Assessment Flow Diagram (AFD) patterns.
  • Build the Semantic System Verification Layer (SSVL): Open World (OWL/DL) reasoning, Closed World (SHACL) validation, and graph-based well-formedness checks.
  • Author SPARQL queries and reasoning rules that drive Decision dashboards, Digital Thread Impact Analysis, and tradespace visualization.
  • Define ontology governance - modeling conventions, vetting, reuse principles, and onboarding guidance for engineering teams.
  • Partner with the Integration Architect and tool proxy developers to ensure ontology-aligned data exchange across MBSE, CAD/PLM, simulation, and test tools.

Qualifications
Required Skills/Experience:
  • 10-15 years in systems engineering, knowledge representation, or digital engineering, with demonstrated ontology development on complex engineered systems.
  • Hands-on expertise with OWL, RDF/RDFS, SPARQL, SHACL, and ontology editing in Protégé.
  • Working knowledge of BFO and CCO (or equivalent top-level/mid-level ontology stacks).
  • Experience with at least one triplestore (Stardog, GraphDB, Fuseki, or similar) and OWL reasoners.
  • Working knowledge of MBSE in MagicDraw/Cameo and SysML, sufficient to align model elements with ontology classes.
  • Programming proficiency in Python (preferred) for ontology tooling, SPARQL automation, and validation pipelines.
  • Must be a U.S. Citizen
  • An active DoD Secret clearance is required to perform this work. Candidates are required to have an active Secret clearance upon hire (or the able to obtain), and the ability to maintain this level of clearance during their employment.

Education Requirements:
  • Bachelor's degree in a relevant field (Systems Engineering, Computer Science, Information Science, Philosophy/Logic, or similar).

Desired Skills:
  • Direct experience with IoIF, DEFII, or comparable semantic data broker implementations.
  • Active U.S. DoD SECRET, TOP SECRET, or TS/SCI clearance.
  • Familiarity with openCAESAR and the Ontological Modeling Language (OML).
  • Familiarity with SysML v2 and its API/services.
  • Familiarity with DoDI 5000.97, the DoD Digital Engineering Strategy, and ITAR/EAR.
  • Ontology governance experience (OBO Foundry-style practices, FAIR data).
  • Advanced degree in a related STEM field.

Overview
People First. Technology Always.
PeopleTec, Inc. is an employee-owned small business founded in Huntsville, AL that provides exceptional customer support by employing and retaining a highly skilled workforce.
Culture: The name "PeopleTec" was deliberately chosen to remind us of our core value system - our people. Our company's foundation was built on placing our employees and customers first. With an award-winning atmosphere, we have matured into a company that boasts the best and brightest across multiple technical fields.
Career: At PeopleTec, we value your long-term goals. Whether it's through our continuing-education opportunities, our robust training programs, or our "People First" benefits package, PeopleTec truly believes that our best investments are our people.
Come Experience It.
#cjpost #dpost
EEO Statement
PeopleTec, Inc. is an Equal Employment Opportunity employer and provides reasonable accommodation for qualified individuals with disabilities and disabled veterans in its job application procedures. If you have any difficulty using our online system and you need an accommodation due to a disability, you may use the following email address, applicationhelp@peopletec.com and/or phone number (256.319.3800) to contact us about your interest in employment with PeopleTec, Inc.
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, genetic information, citizenship, ancestry, marital status, protected veteran status, disability status or any other status protected by federal, state, or local law. PeopleTec, Inc. participates in E-Verify.