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Full time
Technology

Senior Data Scientist

LeidosChantilly, VA🇺🇸United StatesPosted 13 Jul 2026

Quick Overview

Salary
$154.1k - $278.5k/yr
Work Type
Hybrid
Schedule
Full Time
Level
Mid Senior

Job Description

Senior Data Scientist | Chantilly, VA, United States | Hybrid We're hiring for a highly respected organization known for its commitment to national security programs and delivering advanced analytics solutions. This is an opportunity to provide technical leadership and expertise within classified environments, working collaboratively with diverse teams to drive innovation and impact. The Role • Serve as a senior technical contributor and analytic lead on complex, high-impact national security programs. • Partner with government customers and subject matter experts to define mission problems and analytic objectives. • Translate ambiguous operational challenges into actionable data science requirements and solution designs. • Design, develop, and deploy advanced analytics, statistical models, and machine learning solutions. • Apply advanced data science techniques including exploratory data analysis, feature engineering, predictive modeling, hypothesis testing, and algorithm development. • Communicate analytic findings, insights, and recommendations to senior technical and non-technical stakeholders. What You'll Need • Master’s degree in Data Science, Computer Science, Statistics, Mathematics, Engineering, or a related quantitative field with 15+ years of relevant experience, or Bachelor’s degree with 18+ years of relevant experience. • Extensive experience applying data science and advanced analytics to complex, mission-focused problems. • Expert-level proficiency in Python and/or R, including advanced data science and machine learning libraries. • Strong experience working with large, complex datasets from multiple sources. • Demonstrated ability to lead technical efforts and influence analytic direction on large or complex programs. • Must hold an active TS/SCI clearance with Polygraph. What's On Offer • Opportunity to lead impactful initiatives within critical national security programs. • Collaborative work environment with subject matter experts, designers, engineers, and analysts. • Engage in cutting-edge data science and AI solution development. • Mentorship and guidance opportunities for junior data scientists. Apply via Haystack today!

Skills

Machine Learning
Python

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