✦ Luna Orbit — AI & Machine Learning

Sr. Data Scientist

at Leidos Holdings

📍 3325 Fort George G. Meade MD Unknown 💰 $107K – $195K USD / year Posted March 13, 2026
Salary $107K – $195K USD / year
Type Not Specified
Experience senior
Exp. Years 8+ years
Education Bachelor's degree in computer science or related technical field
Category AI & Machine Learning

This role involves developing advanced AI/ML prototypes for national security, focusing on security engineering, signals intelligence, and cryptographic key management within a government sector.

  • Collaborate with stakeholders
  • Develop and tune ML models
  • Integrate data sources
  • Ensure security compliance
  • Prototype innovative solutions

The technical environment includes Python, TensorFlow, PyTorch, relational databases, Jupyter Notebooks, and data engineering tools, with a focus on machine learning model development and security clearance requirements.

The ideal candidate is a senior AI/ML engineer with at least 8 years of experience in machine learning, data science, and security clearance. They should have strong programming skills in Python, experience with TensorFlow and PyTorch, and the ability to develop and tune models for government security applications.

PythonTensorFlowPyTorchRelational databasesActive TS/SCI with Polygraph
Large Language ModelsRetrieval Augmented GenerationModel fine-tuning
Jupyter NotebooksGITRelational databases
PythonTensorFlowPyTorchJupyter NotebooksRelational databasesData wranglingDataflow engineeringMachine LearningAI/MLSecurity Clearance
PythonSciKit-learnTensorFlowPyTorchJupyter NotebooksRelational databasesData wranglingDataflow engineering
collaborationproblem-solvingcommunicationteamworkadaptability

Required

Active TS/SCI with Polygraph
Industry Government/Public Sector
Job Function AI/ML prototype engineering for national security applications
Clearance Required TS/SCI with Polygraph
Data ScientistPythonTensorFlowPyTorchJupyter NotebooksRelational databasesData wranglingDataflow engineeringActive TS/SCI with PolygraphMachine LearningAI/MLSecurity ClearanceAnalytical MethodsModel developmentCyber & AnalyticsSignals Intelligence

Lack of active TS/SCI clearance, Less than 8 years of relevant experience, No experience with relational databases or data wrangling

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