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Full time
Technology
Senior Data Scientist
LeidosHerndon, VA🇺🇸United StatesPosted 13 Jul 2026
Why This Role Stands Out
This hybrid Senior Data Scientist role offers significant career growth by leading impactful national security initiatives, developing advanced AI and analytics solutions, and collaborating with expert teams in a mission-critical environment. If you excel in translating complex challenges into actionable data science strategies and communicating insights to senior leaders, you'll thrive here and contribute to vital programs.
Quick Overview
Salary
$154.1k - $278.5k/yr
Work Type
Hybrid
Schedule
Full Time
Level
Mid Senior
Job Description
Senior Data Scientist | Herndon, VA, United States | Hybrid | $154,050.00 - $278,475.00
We're hiring on behalf of a globally recognised technology and industry leader dedicated to delivering innovative solutions for national security programs. This organisation is known for tackling complex challenges in classified environments, fostering collaboration, and driving advancements in data science and AI. They are looking for a seasoned professional to provide technical leadership and advanced analytics expertise.
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 various data science techniques including exploratory data analysis, feature engineering, predictive modeling, and algorithm development.
• Integrate structured and unstructured data from diverse sources across classified environments.
What You'll Need
• Master’s degree in a 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 provide technical leadership and advanced analytics expertise on mission-critical national security programs.
• Collaborate with subject matter experts, engineers, analysts, and mission stakeholders to deliver innovative solutions.
• Contribute to the definition, design, implementation, and deployment of cutting-edge data science and AI solutions.
• Mentor and guide junior data scientists, contributing to analytic standards and best practices.
Apply via Haystack today!
Skills
Machine Learning
Python
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