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Data Scientist (Mid) with Security Clearance

Streamline Defense, LLCWashington, DC🇺🇸United StatesPosted Oct 2, 2026

Quick Overview

Seniority
Mid Senior
Work mode
On Site
Location
Washington, DC, United States
Posted
4 days ago
Machine LearningPython

Job Description

Overview Streamline Defense is seeking mid-level Data Scientists to support the Defense Intelligence Agency (DIA) RIIA program on-site at DIA Headquarters, Joint Base Anacostia-Bolling (JBAB) in Washington, DC. Multiple positions are available. An active TS/SCI clearance with a current CI Polygraph is required. Development on this program is done in Python. Responsibilities

  • Apply data science, statistical, and machine learning methods to support DIA analytic missions.
  • Perform testing and evaluation of AI/ML models, including assessing model performance, reliability, and fitness for mission use.
  • Collaborate with analysts, engineers, and mission stakeholders in cross-functional teams.
  • Communicate technical findings clearly, both verbally and in writing, to technical and non-technical audiences. Requirements
  • Active TS/SCI clearance with a current CI Polygraph (poly must be in hand; appointments are currently scheduling months out).
  • Hands-on Python for data analysis and model development (Python is the working language on this program; R-only backgrounds will not transfer).
  • 3+ years of experience in data science, data engineering, analytics, statistics, computer science, or related fields.
  • Experience in or ability to perform testing and evaluation of AI/ML models.
  • Experience supporting DoW and/or IC clients.
  • Excellent verbal and written communication skills.
  • Excellent interpersonal skills and demonstrated experience collaborating in teams.
  • Bachelor's degree in quantitative social science, statistics, data science, or computer science, or four additional years of experience in those fields. Desired Qualifications
  • Master's degree or Ph. D. in quantitative social science, statistics, data science, or computer science.
  • Experience with GEOINT and/or large language models (LLMs).
  • Experience performing or supporting all-source analysis.

About Streamline Streamline is a professional and technical solutions company focused on the U.S. Defense, Intelligence, and Special Operations communities. Our talented team of analysts, engineers, and military professionals support our clients' most demanding missions. We offer an unmatched opportunity to grow and learn in an exciting and entrepreneurial environment. Highly motivated individuals will find a culture that values their individual input and compensates them well for their efforts.

Streamline provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

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