Ontologist

SOS International LLC
Full-time Tucson, AZ other-general
Posted:
June 17, 2026
Location:
Tucson, AZ, United States

Job Description

Remote, Remote, USA
Full-time
Clearance Requirement: None
**Company Description**
Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide.
**Job Description**
***** This position is contingent upon contract award *****
SOSi is seeking an Ontologist to support mission requirements for a structured approach to further develop, integrate, and sustain a scalable, federated data ecosystem that enhances interoperability, governance, and mission-driven analytics for a DoD customer. The primary objective of the program is to bridge the operational gaps between DoD, IC, interagency, and non-traditional international partners to enable real-time information sharing, dynamic data integration, and mission-tailored analytical capabilities.
**Essential Job Duties:**

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Job Overview

Job Type: Full-time
Location: Tucson, United States
Posted: June 17, 2026
Deadline: June 23, 2026