Data Scientist (Senior)

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📍 Chantilly, VA, United StatesFull time

About this role

Company Description

Founded in 1989 and headquartered in Reston, Virginia, SOSi is a private defense and government solutions business specializing in advanced technology systems and mission support. Its capabilities include data science, software development, network engineering, intelligence, surveillance, and reconnaissance (ISR), and logistics.

Job Description

*Position is contingent upon contract award*

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

Essential Job Duties

  • serves as a key technical resource for advanced statistical methods, ML algorithm selection, and enterprise data strategy.

Qualifications

  • Active in scope TS/SCI w/ Poly.
  • Minimum 7+ years of relevant experience.
  • Proficiency with major data science tools and languages such as PostgreSQL/SQL, Python, R, NiFi, and Git.
  • Experience with cleaning, managing, optimizing performance with, and processing large volumes of data.
  • Familiarity with industry best practices for software/hardware optimization when processing large data sets.
  • Experience with machine learning, statistical modeling, time-series forecasting, and/or geospatial analytics.
  • Experience with Hadoop, Spark, or other parallel storage/computing processes.
  • Experience providing services to develop AI/ML models and weights to facilitate object detection, data triage, search/optimization, inference, and automated discovery and decision making.

Additional Information

Work Environment

  • Normal office conditions.

Working at SOSi

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

Frequently Asked Questions

Is the salary disclosed for the Data Scientist (Senior) position at SOSi1?
The salary for this Data Scientist (Senior) role at SOSi1 is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Data Scientist (Senior) position at SOSi1 located?
This Data Scientist (Senior) role at SOSi1 is based in Chantilly, VA, United States. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Data Scientist (Senior) role at SOSi1 full-time or part-time?
This is listed as a Full time position. It is posted as a Data Scientist (Senior) role at SOSi1.
How do I apply for the Data Scientist (Senior) position at SOSi1?
Click the "Apply Now" button on this page. You will be redirected to SOSi1's official application portal hosted on smartrecruiters where you can submit your application directly.
When was the Data Scientist (Senior) job at SOSi1 posted?
This Data Scientist (Senior) position at SOSi1 was posted on Oct 5, 2026. Apply as soon as possible — early applications are often reviewed first.
Data Scientist (Senior)
SOSi1
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