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Ontologist Jobs (NOW HIRING)

Amazon

Ontologist, Product Knowledge

Seattle, WA · On-site

As an Ontologist, you work on a global team of knowledge builders to deliver world-class, intuitive, and comprehensive taxonomy and ontology models to optimize product discovery for Amazon web and ...

Amazon

Ontologist, Product Knowledge

Seattle, WA · On-site

As an Ontologist, you work on a global team of knowledge builders to deliver world-class, intuitive, and comprehensive taxonomy and ontology models to optimize product discovery for Amazon web and ...

JP Morgan Chase

Vice President- Ontologist

Manhattan, NY

$173K - $216K/yr

As a Vice President-Ontologist within the JP Morgan Chase team, you will be instrumental in shaping our knowledge representation. Your role will involve utilizing ontologies and taxonomies to enhance ...

Programmers.io

Ontology Business Consultant

Tampa, FL · On-site

Ontologist, Ontology Engineer, Semantic Data Modeler, Knowledge Graph Engineer, Semantic Modeler Lead, Ontology Consultant. • Tech stack: RDF, OWL, SHACL, SPARQL, Stardog (or GraphDB, Blazegraph ...

JP Morgan Chase

Vice President- Ontologist

Manhattan, NY · On-site

$173K - $216K/yr

As a Vice President-Ontologist within the JP Morgan Chase team, you will be instrumental in shaping our knowledge representation. Your role will involve utilizing ontologies and taxonomies to enhance ...

Amazon

Ontologist, Product Knowledge

Seattle, WA · On-site

As an Ontologist, you work on a global team of knowledge builders to deliver world-class, intuitive, and comprehensive taxonomy and ontology models to optimize product discovery for Amazon web and ...

JPMorgan Chase & Co

Vice President- Ontologist

Manhattan, NY · On-site

$173K - $216K/yr

As a Vice President-Ontologist within the JP Morgan Chase team, you will be instrumental in shaping our knowledge representation. Your role will involve utilizing ontologies and taxonomies to enhance ...

JPMorgan Chase & Co

Vice President- Ontologist

Manhattan, NY

$173K - $216K/yr

As a Vice President-Ontologist within the JP Morgan Chase team, you will be instrumental in shaping our knowledge representation. Your role will involve utilizing ontologies and taxonomies to enhance ...

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How much do ontologist jobs pay per hour?

As of Jun 20, 2026, the average hourly pay for ontologist in the United States is $77.89, according to ZipRecruiter salary data. Most workers in this role earn between $77.88 and $77.88 per hour, depending on experience, location, and employer.

What jobs pay $2000 a day?

High-paying jobs that can reach $2000 a day often include specialized roles such as senior consultants, surgeons, or experienced software engineers, especially in consulting firms, healthcare, or technology sectors. These positions typically require advanced skills, certifications, or extensive experience, and may involve freelance or contract work with high hourly rates. Such roles are usually found in industries with high demand for expertise and often require a strong professional reputation.

What are the typical daily responsibilities of an Ontologist in a corporate environment?

As an Ontologist, your daily tasks often involve collaborating with data engineers, subject matter experts, and software developers to design, implement, and refine ontologies that help structure complex data. You’ll spend time modeling relationships between data entities, maintaining and updating knowledge graphs, and ensuring consistency across information systems. Regular meetings and documentation are key parts of the workflow, as they help align ontological frameworks with business goals and user needs. The work environment is generally collaborative and project-driven, offering a mix of independent research and teamwork opportunities.

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

To thrive as an Ontologist, you need a solid background in information science, knowledge representation, and formal logic, typically supported by a degree in computer science, information systems, or a related field. Experience with semantic web technologies (such as RDF, OWL, and SPARQL), ontology management tools (like Protégé), and sometimes certification in data modeling or knowledge engineering is highly valuable. Strong analytical thinking, problem-solving abilities, and effective communication skills make an ontologist stand out. These competencies are critical for designing and maintaining data structures that improve organizational understanding, interoperability, and searchability of information.

How to become an Ontologist?

To become an ontologist, typically a candidate needs a bachelor's degree in computer science, philosophy, or a related field, followed by specialized training or a master's degree in knowledge representation, semantic web, or ontology engineering. Gaining experience with ontology development tools like Protégé and understanding of formal logic and data modeling are also important. Certifications in semantic technologies can enhance job prospects in this field.

What does an Ontologist do?

An Ontologist designs and manages structured frameworks for organizing information, such as taxonomies, ontologies, and metadata schemas. They work to ensure data is meaningfully categorized and interconnected, improving search, retrieval, and interoperability across systems. Ontologists often collaborate with data scientists, engineers, and subject matter experts to develop semantic models that enhance AI, machine learning, and knowledge management applications.

What job makes $10,000 a month without a degree?

An ontologist typically does not earn $10,000 a month without a degree, as the role often requires specialized knowledge in knowledge representation and domain expertise. However, some high-paying freelance or consulting roles in data management, AI, or knowledge engineering can reach that income level with experience and skills, often without formal degrees but with strong technical proficiency and certifications. These roles usually involve working with semantic technologies, ontologies, or AI tools in a flexible schedule environment.

What is the job description of an Ontologist?

An Ontologist develops and maintains formal representations of knowledge within a specific domain, creating ontologies that define concepts, relationships, and rules. They often use tools like Protégé and require skills in logic, semantic modeling, and data integration to ensure accurate and consistent data organization.
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Ontologist jobs near you
Lead Ontologist - OBIQUA with Security Clearance

Lead Ontologist - OBIQUA with Security Clearance

CELESTAR CORPORATION

Reston, VA • On-site

$106K - $140K/yr

Other

Medical, Dental, Life, Retirement, PTO

Posted 10 days ago

Job description

Celestar Corporation is seeking a Lead Ontologist to support the Defense Intelligence Agency ( DIA) under the Object Based Intelligence and Quality Assurance (OBIQUA) task order. The primary place of performance will be at DIA Facilities across the National Capital Region (NCR). If interested and meet the qualifications, we encourage you to apply for this rewarding and impactful opportunity.

ANTICIPATED AWARD: October 2026 ANTICIPATED START: October 2026 PERIOD OF PERFORMANCE: 1 Base Year + 4 Option Years LOCATION: DIA Facilities across the National Capital Region (NCR) CLEARANCE REQUIREMENT: Active TS/SCI (adjudicated within the last 5 years) About Us: Celestar, a B&A Company, offers highly competitive salaries and benefits. Our comprehensive benefits package includes company-paid employee and family dental insurance, employee health insurance, life insurance, and disability coverage. Additionally, we provide a 401(k)-retirement plan with company matching, paid holidays, and personal time off.

Responsibilities: This opportunity supports DIA's Object Based Intelligence and Quality Assurance (OBIQUA) initiative focused on advancing intelligence analysis through Agile program management, AI assurance, analytic innovation, and ontology development. • The Lead Ontologist is responsible for the development of domain-specific ontologies. • This position leads the application of semantic web standards (e.g., RDF, OWL, SPARQL) and government data standards to enable semantic representation of data inputs, facilitating integration and interoperability across intelligence systems.

• Design, develop, and maintain domain-specific ontologies supporting intelligence and data integration initiatives. • Apply semantic web technologies and standards, including RDF, OWL, SPARQL, and related ontology engineering methodologies. • Develop semantic data models and knowledge representation frameworks to support interoperability across intelligence systems.

• Collaborate with data architects, AI engineers, analysts, and Government stakeholders to ensure alignment with mission requirements. • Support data integration, discovery, and knowledge management efforts through ontology-driven solutions. • Provide technical leadership and guidance on ontology development, semantic technologies, and emerging industry best practices.

Required Qualifications: • Demonstrated senior-level expertise in developing and implementing ontologies for complex data systems. • Experience with semantic web technologies and standards including RDF, OWL, SPARQL, SHACL, or related ontology engineering tools. • Desired Experience: Minimum 12 years of experience related to the specific labor category with at least a portion of the experience within the last 2 years.

• Desired Education: Master's degree in an area related to the labor category from a college or university accredited by an agency recognized by the U.S. Department of Education; or have Bachelor's degree related to the labor category from a college or university accredited by an agency recognized by the U.S. Department of Education and an additional 5 years of related senior experience, for a total of 17 years, as a substitute to the Master's degree Come on board with a company that Values its Employees!

Celestar Corporation is an Equal Opportunity Employer. The Celestar Corporation prohibits discrimination, harassment, and retaliation in employment based on race; color; religion; genetic information; national origin; sex (including same-sex); sexual orientation; gender identity; pregnancy, childbirth, or related medical conditions; age; disability or handicap; citizenship status; marital status; service member/protected veteran status; or any other category protected by federal, state, or local law.

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