Job Description

Salary: $154,050 - 278,475 per year Requirements:

• Masters degree in Data Science, Computer Science, Statistics, Mathematics, Engineering, or a related quantitative field with 15+ years of relevant experience, or Bachelors 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, multifaceted datasets from numerous sources
• Proven ability to lead technical projects and influence analytic strategies on large or intricate programs
• Exceptional written and verbal communication skills, including the capability to brief senior leadership
• Must hold an active TS/SCI clearance with Polygraph

• Act as a senior technical contributor and analytic lead on complex, high-impact national security programs
• Collaborate with government clients and subject matter experts to define mission issues and analytic goals
• Convert vague operational challenges into actionable data science requirements and solution frameworks
• Design, develop, and implement advanced analytics, statistical models, and machine learning solutions
• Employ advanced data science methods including exploratory data analysis, feature engineering, predictive modeling, hypothesis testing, and algorithm construction
• Integrate structured and unstructured data from various sources within classified environments
• Convey analytic findings, insights, and recommendations to senior technical and non-technical audiences
• Aid in the deployment, monitoring, and continuous operations and maintenance (O&M) of analytic solutions
• Mentor and support junior data scientists, contributing to analytic standards, best practices, and reusable frameworks
• Stay informed on emerging data science, AI, and big-data technologies relevant to national security missions

• AI
• Support
• Machine Learning
• Python
• Security
• Cloud
• Computer Vision

More:

At Leidos, we are seeking a Senior Data Scientist to offer technical leadership and advanced analytics expertise critical to our national security programs. In this role, you will collaborate closely with subject matter experts, designers, engineers, analysts, and mission stakeholders within classified environments. We emphasize innovation and operational relevance in our data science and AI solutions. Our commitment to outthinking and outbuilding the status quo drives our mission. We offer competitive compensation and a comprehensive benefits package, including health and wellness programs, income protection, paid leave, and retirement options. Headquartered in Reston, Virginia, we are proud to serve our government and commercial clients with cutting-edge technology and solutions.

last updated 19 week of 2026

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