Senior Data Scientist, National Security Analytics Lead

Talentify; Chantilly (VA); On-site; USD 154,000 - 278,000; Full time

Job summary

Leidos in Chantilly, VA seeks a Senior Data Scientist to provide technical leadership and advanced analytics for national security programs. You will lead analytics across the full lifecycle, collaborating with SMEs, designers, engineers and mission stakeholders to deliver data science and AI solutions.

The role requires deep technical expertise, strong mission awareness, and the ability to communicate insights to senior decision-makers.

Qualifications

• Master’s degree in Data Science, Computer Science, Statistics, Mathematics, Engineering, or related field with 15+ years of relevant experience, or Bachelor’s with 18+ years of relevant experience.
• Extensive experience applying data science and advanced analytics to 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.
• Strong written and verbal communication skills, including briefing senior leaders.
• Must hold an active TS/SCI clearance with Polygraph.

Responsibilities

• 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.
• Integrate structured and unstructured data from diverse sources across classified environments.
• Communicate analytic findings, insights, and recommendations to senior technical and non-technical stakeholders.
• Support deployment, monitoring, and ongoing operations and maintenance of analytic solutions.
• Mentor and guide junior data scientists and contribute to analytic standards, best practices, and reusable frameworks.
• Maintain awareness of emerging data science, AI, and big-data technologies relevant to national security missions.

Skills

Data science

Machine learning

Python

R

Education

Master’s degree +15+ years

Bachelor’s degree +18+ years

Tools

Python libraries

R libraries

Job description

Leidos in Chantilly, VA seeks a Senior Data Scientist to provide technical leadership and advanced analytics for national security programs. You will lead analytics across the full lifecycle, collaborating with SMEs, designers, engineers and mission stakeholders to deliver data science and AI solutions.

The role requires deep technical expertise, strong mission awareness, and the ability to communicate insights to senior decision-makers.