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Salary
$102k – $213k per year
Location
In office (Chantilly)
Seniority
Senior · 3+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 26, 2026. First seen by Alion on Jun 30, 2026. SOSi scores C on the Alion truth index.

Overview
Company
Impact
Profile match
SOS International, known as SOSi, is a privately held American government services company founded in 1989 that began by supplying linguists and interpreters to the United States military. It has since broadened into intelligence analysis, logistics and base operations support, information technology and network engineering, and cybersecurity, working for defence, intelligence and federal civilian customers both in the United States and in deployed locations. Headquartered in Reston, Virginia and still family owned, it employs several thousand people, a large share of them holding security clearances.

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.

SOSi is seeking a skilled Data Scientist to support a US government customer in Chantilly, VA.

This role requires applying advanced analytics, statistical modeling, and machine learning techniques to identify, analyze, cyber related data. This role involves working closely with cyber SMEs to build AI/ML models and analytics to solve client's challenges.

Minimum Requirements

  • Active in-scope TS/SCI clearance with poly. This security clearance requires U.S. citizenship. Candidates will not be nominated for new clearances.
  • 3-5 years of experience as a Data Scientist, with a STEM degree (field such as computer science, statistics, data analytics, computer engineering, mathematics, etc.).
  • Programming knowledge in Python or similar language.
  • Experience with both Linux and Windows® Operating Systems.
  • Experience working with Cyber data to include examples such as (Shodan, Censys.IO, etc.).
  • Demonstrated experience with cleaning, managing, optimizing performance with, and processing large volumes of unstructured text data.

Preferred Qualifications

  • Experience in the US Intelligence Community.

Work Environment

  • Office setting with a combination of desk work and meetings.

Working at SOSi

All interested individuals will receive consideration and will not be discriminated against for any reason.

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