✦ Luna Orbit — Data & Analytics

Senior Data Scientist

at Leidos Holdings

📍 Chantilly, VA Unknown 💰 $154K – $278K USD / year Posted March 13, 2026
Salary $154K – $278K USD / year
Type Not Specified
Experience senior
Exp. Years 15+ years or Bachelor's with 18+ years
Education Master's degree in Data Science, Computer Science, Statistics, Mathematics, Engineering, or a related quantitative field
Category Data & Analytics

Senior Data Scientist role supporting national security programs with advanced analytics and AI solutions in classified environments.

  • Lead analytics efforts
  • Partner with government and SMEs
  • Design and deploy models
  • Communicate insights
  • Support operations

Environment involves data science, machine learning, statistical modeling, data integration, and AI within classified government settings.

The ideal candidate is a highly experienced data scientist with over 15 years of relevant experience, proficient in Python and R, with a strong background in advanced analytics, machine learning, and working within classified environments. They possess excellent communication skills and leadership qualities suitable for senior national security projects.

Master's degree in Data ScienceComputer ScienceStatisticsMathematicsEngineeringor related field15+ years relevant experience or Bachelor's with 18+ yearsExpert-level proficiency in Python and/or RExperience with largecomplex datasetsAbility to lead technical effortsActive TS/SCI clearance with Polygraph
Experience supporting intelligence communityExperience in classified computing environments
PythonRAIData science tools
Data SciencePythonRMachine LearningStatistical ModelsData AnalysisAIData IntegrationClassified EnvironmentsAdvanced Analytics
PythonRData ScienceAdvanced analyticsMachine learningStatistical modelsExploratory data analysisFeature engineeringPredictive modelingHypothesis testingData integrationClassified environmentsAI solutions
CommunicationLeadershipCollaborationProblem-solvingAnalytic insights presentation
Industry Government/Public Sector, Defense, Intelligence
Job Function Provide technical leadership in data science for national security programs
Clearance Required TS/SCI with Polygraph
Senior Data ScientistData SciencePythonRMachine learningStatistical modelsExploratory data analysisData integrationClassified environmentsAI solutionsAdvanced analyticsHypothesis testingFeature engineeringData analysisData science techniquesNational securityData ScientistMachine LearningStatistical ModelsData AnalysisAI SolutionsClassified EnvironmentsExploratory Data AnalysisData Integration

Lack of active TS/SCI clearance with Polygraph, Less than 15 years of relevant experience without a Bachelor's + 18 years, Inability to work in classified environments

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