SOSi
Government & Public SectorDirect SmartRecruiters career site

Data Scientist (Senior)

Location
Chantilly, VA · On-site
Job type
Full-time
Level
Director
Experience
7+ years
Listed
30 days ago

Skills & highlights for this role

  • TS/SCI with polygraph clearance
  • Python
  • SQL
  • Apache Spark
  • Hadoop
  • machine learning

Also useful

  • R
  • NiFi
  • Git
  • PostgreSQL
  • AI/ML model development

About the role

*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 & Requirements

  • 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.

About the Company

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.

Read the original posting

From SOSi's careers page, first listed on Rolev.ai on October 10, 2026. Rolev.ai is not the employer.

How Rolev.ai helps with this application

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Common questions

Where is the Data Scientist (Senior) job at SOSi located?

This Data Scientist (Senior) position at SOSi is located in Chantilly, VA (On-site). Always check SOSi's application page for specific state eligibility or relocation policies.

What qualifications are required for Data Scientist (Senior) at SOSi?

For the Data Scientist (Senior) role, SOSi highlights 7+ years of relevant experience; experience with Python, SQL, Apache Spark, Hadoop, machine learning. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.

How do I apply for the Data Scientist (Senior) position at SOSi?

This listing links directly to SOSi's SmartRecruiters application page. You can apply directly on SOSi's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the SmartRecruiters application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.