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.
- 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.
Work Environment
- Normal office conditions.
Working at SOSi
All interested individuals will receive consideration and will not be discriminated against for any reason.
Skills Required
- Active in-scope TS/SCI clearance with polygraph
- 7 or more years of relevant experience
- Proficiency with PostgreSQL or SQL, Python, R, NiFi, and Git
- Experience cleaning, managing, performance-optimizing, and processing large volumes of data
- Familiarity with software and hardware optimization best practices for processing large datasets
- Experience with machine learning, statistical modeling, time-series forecasting, or geospatial analytics
- Experience with Hadoop, Spark, or other parallel storage and computing processes
- Experience developing AI/ML models and weights for object detection, data triage, search optimization, inference, automated discovery, and decision-making
SOSi Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about SOSi and has not been reviewed or approved by SOSi.
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Healthcare Strength — Health coverage is considered a relative strength, with international plan options and substantial employer contribution that support OCONUS and travel-heavy work. Company materials also highlight a comprehensive medical offering alongside wellness support.
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Retirement Support — A 401(k) program is available, with indications of employer matching though specifics are not publicly detailed. This suggests foundational retirement support for eligible employees.
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Career-Linked Recognition & Rewards — Compensation is often characterized as competitive for cleared, hard‑to‑hire, and certain overseas or mission‑critical roles. Pay levels appear closely tied to contract demands, clearance, and location.
SOSi Insights
What We Do
SOSi is a technology and services integrator focused on the aerospace, defense, and government services industry, described as one of the largest private, founder-owned companies in its sector.
