Ontology and Schema Design and Implementation: Evaluate sets of technical specifications in light of user needs and written policy. Work with stakeholders to capture the logic of the technical specification as information models and define the relevant properties, relationships, and taxonomies. Formalize this in machine-readable schema.
Required Qualifications
Active TS/SCI security clearance with polygraph.
Ability to work on-site full-time in the Bethesda, Maryland area.
Typically requires BS degree and 12 – 15 years of prior relevant experience or master's degree with 10 – 13 years of prior relevant experience. May possess a Doctorate in a technical domain. Experience may be exchanged for degree requirements.
Strong knowledge of standard software development processes, such as DevOps, requirements engineering, coding, documentation, configuration management, quality assurance, integration, and testing.
Experience with relevant tools and languages, such as Protégé and OWL.
Demonstrated ability to build code collaboratively in team environments.
Excellent communication skills, with the ability to translate technical insights into actionable recommendations and present them orally or in writing.
Desired Qualifications
Experience with automation pipelines.
Basic coding skills in Python or Java.
Master’s degree in a relevant field.
Five or more years of experience working with or in the Intelligence Community (IC).
Familiarity with U.S. Government information sharing frameworks, policies, and interoperability requirements.
Familiarity with system modeling and Unified Modeling Language (UML).
At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today.
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Original Posting
November 3, 2026
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range
Pay Range $131,300.00 - $237,350.00
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
