Senior Ontology Engineer: Knowledge Graph AI for DoD

Technology Service Corporation; Dahlgren (VA); On-site; USD 100,000 - 130,000; Full time

Benefits offered by this job

ESOP participation

401(k) plan

Flexible work schedules

Tuition reimbursement

Co-sponsored health plan

Paid leave

Job summary

Technology Service Corporation is seeking a Senior Ontology Engineer in Dahlgren, Virginia. This role focuses on designing, developing, and maintaining ontological frameworks and knowledge graph solutions for defense mission engineering programs. Candidates should have the ability to obtain a SECRET DoD Clearance and experience with knowledge graph technologies.

The position requires collaboration with systems architects and mission-domain SMEs to translate operational requirements into actionable ontological models.

Comprehensive benefits and competitive salary are offered, including flexible work schedules and tuition reimbursement.

Qualifications

• Experience designing and developing end-to-end knowledge graph and AI data pipelines.
• Ability to obtain and maintain a SECRET DoD Clearance.
• U.S. Citizenship required.

Responsibilities

• Design and maintain formal ontologies using OWL, RDF/RDFS, and SPARQL.
• Build knowledge graph solutions integrating structured and unstructured data.
• Collaborate with engineers and S.M.E.s to translate requirements into ontological models.

Skills

Knowledge graph technologies

RDF

SPARQL

Python

NLP

Education

Bachelor’s degree in Computer Science or related discipline

PhD with 2+ years of relevant experience

MA/MS with 5+ years

BA/BS with 7+ years

Tools

Graph databases (Stardog, Neo4j, Amazon Neptune)

ETL pipeline tools (Apache NiFi, Airflow)

Web development frameworks (FastAPI, Flask)

Job description

Technology Service Corporation is seeking a Senior Ontology Engineer in Dahlgren, Virginia. This role focuses on designing, developing, and maintaining ontological frameworks and knowledge graph solutions for defense mission engineering programs. Candidates should have the ability to obtain a SECRET DoD Clearance and experience with knowledge graph technologies.

The position requires collaboration with systems architects and mission-domain SMEs to translate operational requirements into actionable ontological models.

Comprehensive benefits and competitive salary are offered, including flexible work schedules and tuition reimbursement.