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Senior Data Scientist - Careers at Leidos

Leidos

Senior Data Scientist - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Senior Data Scientist

Leidos seeks a Senior Data Scientist to deliver technical leadership and advanced analytics for mission-critical national security programs in classified environments. Collaborate with experts, engineers, and stakeholders to create innovative AI and data science solutions that drive operational impact.

Primary Responsibilities

  • Serve as senior technical lead on high-impact national security programs
  • Partner with customers to define problems and analytic objectives
  • Translate operational challenges into actionable data science designs
  • Develop and deploy ML models, statistical analysis, and predictive solutions
  • Integrate diverse data sources in secure classified settings
  • Present insights to senior decision-makers effectively
  • Support solution deployment, monitoring, and O&M
  • Mentor juniors and advance analytic best practices
  • Track emerging AI technologies for defense applications

Basic Qualifications

  • Master’s in quantitative field +15 years or Bachelor’s +18 years experience
  • Deep expertise in data science for complex missions
  • Expert Python/R with ML libraries
  • Experience with large, multi-source datasets
  • Leadership in large-scale analytic programs
  • Strong briefing and communication skills
  • Active TS/SCI with Polygraph required

Preferred Qualifications

  • IC/DoD national security experience
  • Classified environment operations
  • Advanced ML domains (NLP, CV, graph analytics)
  • Cloud/enterprise analytics platforms
  • Mentoring or technical leadership experience
  • Instructional design or curriculum development

Join Leidos to outthink, outbuild, and outpace the status quo in national security innovation. Pay Range: $154,050 - $278,475 USD annually.

Locations

  • Chantilly, Virginia, United States

Salary

154,050 - 278,475 USD / yearly

Estimated Salary Rangehigh confidence

154,050 - 278,475 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Pythonintermediate
  • Rintermediate
  • Machine Learningintermediate
  • Statistical Modelingintermediate
  • Data Integrationintermediate
  • Exploratory Data Analysisintermediate
  • Feature Engineeringintermediate
  • Predictive Modelingintermediate
  • Natural Language Processingintermediate
  • Computer Visionintermediate
  • Graph Analyticsintermediate

Required Qualifications

  • Master’s degree in Data Science, Computer Science, Statistics, Mathematics, Engineering, or related field with 15+ years experience or Bachelor’s with 18+ years (experience)
  • Active TS/SCI clearance with Polygraph (experience)
  • Expert proficiency in Python/R and ML libraries (experience)
  • Experience with large complex datasets from multiple sources (experience)
  • Proven leadership in technical efforts on complex programs (experience)
  • Strong communication skills for senior stakeholders (experience)

Responsibilities

  • Lead complex analytics efforts across full solution lifecycle
  • Define mission problems and translate to data science requirements
  • Design, develop, and deploy advanced ML and statistical models
  • Integrate structured/unstructured data in classified environments
  • Communicate insights to senior technical/non-technical stakeholders
  • Mentor junior data scientists and establish best practices
  • Monitor and maintain deployed analytic solutions
  • Stay current with emerging AI/big-data technologies for national security

Benefits

  • general: Competitive salary $154K-$278K
  • general: Comprehensive health, dental, vision insurance
  • general: 401(k) matching and retirement plans
  • general: Professional development and tuition reimbursement
  • general: Paid time off and flexible work options
  • general: Mission-critical national security impact
  • general: Career growth in cutting-edge AI/data science

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Leidos logo

Senior Data Scientist - Careers at Leidos

Leidos

Senior Data Scientist - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Senior Data Scientist

Leidos seeks a Senior Data Scientist to deliver technical leadership and advanced analytics for mission-critical national security programs in classified environments. Collaborate with experts, engineers, and stakeholders to create innovative AI and data science solutions that drive operational impact.

Primary Responsibilities

  • Serve as senior technical lead on high-impact national security programs
  • Partner with customers to define problems and analytic objectives
  • Translate operational challenges into actionable data science designs
  • Develop and deploy ML models, statistical analysis, and predictive solutions
  • Integrate diverse data sources in secure classified settings
  • Present insights to senior decision-makers effectively
  • Support solution deployment, monitoring, and O&M
  • Mentor juniors and advance analytic best practices
  • Track emerging AI technologies for defense applications

Basic Qualifications

  • Master’s in quantitative field +15 years or Bachelor’s +18 years experience
  • Deep expertise in data science for complex missions
  • Expert Python/R with ML libraries
  • Experience with large, multi-source datasets
  • Leadership in large-scale analytic programs
  • Strong briefing and communication skills
  • Active TS/SCI with Polygraph required

Preferred Qualifications

  • IC/DoD national security experience
  • Classified environment operations
  • Advanced ML domains (NLP, CV, graph analytics)
  • Cloud/enterprise analytics platforms
  • Mentoring or technical leadership experience
  • Instructional design or curriculum development

Join Leidos to outthink, outbuild, and outpace the status quo in national security innovation. Pay Range: $154,050 - $278,475 USD annually.

Locations

  • Chantilly, Virginia, United States

Salary

154,050 - 278,475 USD / yearly

Estimated Salary Rangehigh confidence

154,050 - 278,475 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Pythonintermediate
  • Rintermediate
  • Machine Learningintermediate
  • Statistical Modelingintermediate
  • Data Integrationintermediate
  • Exploratory Data Analysisintermediate
  • Feature Engineeringintermediate
  • Predictive Modelingintermediate
  • Natural Language Processingintermediate
  • Computer Visionintermediate
  • Graph Analyticsintermediate

Required Qualifications

  • Master’s degree in Data Science, Computer Science, Statistics, Mathematics, Engineering, or related field with 15+ years experience or Bachelor’s with 18+ years (experience)
  • Active TS/SCI clearance with Polygraph (experience)
  • Expert proficiency in Python/R and ML libraries (experience)
  • Experience with large complex datasets from multiple sources (experience)
  • Proven leadership in technical efforts on complex programs (experience)
  • Strong communication skills for senior stakeholders (experience)

Responsibilities

  • Lead complex analytics efforts across full solution lifecycle
  • Define mission problems and translate to data science requirements
  • Design, develop, and deploy advanced ML and statistical models
  • Integrate structured/unstructured data in classified environments
  • Communicate insights to senior technical/non-technical stakeholders
  • Mentor junior data scientists and establish best practices
  • Monitor and maintain deployed analytic solutions
  • Stay current with emerging AI/big-data technologies for national security

Benefits

  • general: Competitive salary $154K-$278K
  • general: Comprehensive health, dental, vision insurance
  • general: 401(k) matching and retirement plans
  • general: Professional development and tuition reimbursement
  • general: Paid time off and flexible work options
  • general: Mission-critical national security impact
  • general: Career growth in cutting-edge AI/data science

Target Your Resume for "Senior Data Scientist - Careers at Leidos" , Leidos

Get personalized recommendations to optimize your resume specifically for Senior Data Scientist - Careers at Leidos. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Senior Data Scientist - Careers at Leidos" , Leidos

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

Jobs in Chantilly VALeidos CareersNational Security JobsData Science United StatesAI Defense HiringEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Senior Data Scientist - Careers at Leidos @ Leidos.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.