Johns Hopkins Applied Physics Laboratory
Laurel, Maryland

Senior Ontologist

Onsite$100,000 - $245,000/yrPosted Jun 18, 2026Top Secret/SCI

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Job details

Location
Laurel, Maryland
Work type
Onsite
Compensation
$100,000 - $245,000/yr
Clearance
Top Secret/SCI
Posted
Jun 18, 2026
Apply on
careers.jhuapl.edu

About this role

Master's in a relevant field required; proficiency with OWL, RDF/RDFs, SPARQL, Python, ontology editors and tooling; experience building domain ontologies, formal reasoning, and working with engineering teams; eligible for TS/SCI clearance.

What you'll do at Johns Hopkins Applied Physics Laboratory:

  • building ontologies
  • reviewing content
  • engaging stakeholders

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About Johns Hopkins Applied Physics Laboratory

Johns Hopkins Applied Physics Laboratory
Laurel, Maryland