Ontology Consultant
Enterprise Knowledge
Ontology Consultant
Enterprise Knowledge
Knowledge management consulting and data transformation
Enterprise Knowledge · Arlington, United States (Remote) · Full-time · Posted 2026-07-08
Salary: USD 110,000–150,000
Workplace: remote
Department: Semantic Design & Modeling (SDM)
Enterprise Knowledge (EK) is hiring a full-time Ontology Consultant to join our growing Semantic Design and Modeling Practice. This individual will lead ontology design and implementation in support of dynamic and fast-paced semantic solutions for a range of commercial and federal clients. In addition to delivering ontology models, this Ontologist will advise clients at varying levels of maturity on how to implement semantic best practices and expand and scale their ontology programs. The right candidate loves logic and rule-based systems (think logic puzzles, workflow diagrams, linguistics and grammar rules, mathematical proofs, set theory, etc.), and is skilled at communicating about ontology and its value to different audiences.
As a successful Ontology Consultant, you will be able to clearly articulate your design decisions and the rationale behind your choices to a variety of business stakeholders. You will be experienced in defining the steps needed to design, implement, and maintain large-scale ontologies for complex business solutions. You will also be comfortable working in ontology management systems, as you lead cross-functional meetings.
As an EKer, you will join a fast-growing company that is committed to equity and inclusion, have the opportunity to work in a collaborative workplace, take advantage of our unique benefits, and help build our innovative culture. To read more about the impactful work we are doing and to see the latest thought leadership from EK, follow us on LinkedIn.
The Ontology Consultant will be responsible for advising clients on ontology strategy, and leading teams in the definition and execution of ontology design, implementation, and management to meet client goals and needs.
As a federal contractor, Enterprise Knowledge will not sponsor a new applicant for employment authorization or offer any immigration related support for this position (i.e., H1B, F-1 OPT, F-1 STEM OPT, F-1 CPT, J-1, TN, E-2, E-3, L-1, and O-1, or any EADs or other forms of work authorization that require immigration support from an employer.
Our office is located in Arlington, VA, and operates on a hybrid model. While local candidates are preferred, we are also able to hire remote candidates residing in the following states: CO, FL, MA, NC, NH, NM, NY, OR, PA, RI, TX, and WA.
2+ years of experience developing and managing ontologies in business environments with a strong understanding of ontology applications, design and management principles and best practices
Experience leading full ontology development lifecycle - requirements gathering and scoping, design, implementation, and management and governance
Expertise in semantic standards such as RDF, OWL, SHACL, SPARQL
EK considers a broad range of factors in considering employee salary, including a candidate’s skills, experience, education, certifications, past successes, and qualifications. The salary range for this role is $110,000 to $150,000, with most candidates likely to fall in the lower half. This range does not guarantee a specific salary and may be adjusted based on the needs of the company and the candidate’s qualifications.
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By submitting your application, you acknowledge that you have read and understood this notice. If you have any questions about how we handle your personal data or need to update your information, please contact us at [email protected].
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Knowledge management consulting and data transformation
Enterprise Knowledge provides end-to-end management consulting focused on capturing, organizing, presenting, and leveraging information across public and private sectors. It helps organizations turn people and data into actionable knowledge through knowledge management, data and content management, and learning management services. Its offerings include training, workshops, pilots, prototypes, and enterprise-scale transformations, all centered on applying semantic layers and knowledge graphs to enable Enterprise AI. The company differentiates itself by delivering practical, full-range solutions that drive tangible returns and user satisfaction, backed by a strong workplace culture recognized as a Best Workplace. The goal is to ensure information and data can be found, used, and reused to maximize value for customers and employees through scalable, AI-enabled knowledge ecosystems.
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