335 ml scientist jobs at 137 companies in Arlington, MD

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AI and ML Data Scientist
McLean, Virginia, United States
$78k-$176k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Global firm providing management, technology, and engineering consulting services.
Design, develop, and deploy agentic AI/ML/LLM systems for military intelligence; strong Python and ML library experience; TS/SCI clearance required; Bachelor’s in related field required.
Python, PyTorch, Scikit-Learn, LangChain, LlamaIndex, Hugging Face, CUDA, Spark, Kafka, Hadoop, Hive, EMR, Databricks, Kubernetes, Docker, OpenSearch, Elasticsearch, FastAPI, Flask, REST, Git, CI/CD, DevSecOps, Plotly, Dash, Streamlit, Tableau, Microsoft Power BI
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Senior AI/ML Applied Scientist - Remote
Eden Prairie or Minneapolis or Washington or United States
RemoteFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
3+ YOEPhD in a related field, 3+ years AI/ML experience (LLM/NLP), 3+ years with Python and deep learning (PyTorch or TensorFlow), publication record in top ML/NLP venues, strong communication and statistical skills.
Python, PyTorch, TensorFlow, Spark, Snowflake, GitHub
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AI and ML Data Scientist
McLean, Virginia, United States
$78k-$176k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
Experience building AI/ML/LLM and agentic AI capabilities using Python and libraries (PyTorch, Scikit-Learn, LangChain, LlamaIndex, Hugging Face, CUDA); processing structured and unstructured intelligence data; model evaluation and mitigation; TS/SCI clearance and a bachelor’s degree in a related field required.
Python, PyTorch, Scikit-Learn, LangChain, LlamaIndex, Hugging Face, CUDA, Spark, Kafka, Hadoop, Hive, EMR, Databricks, Kubernetes, Docker, OpenSearch, Elasticsearch, FastAPI, Flask, REST, Git, CI/CD, DevSecOps, Plotly, Dash, Streamlit, Tableau, Microsoft Power BI
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AI/ML Research Scientist - Agentic Systems
Herndon or Annapolis Junction or Bowie
$112k-$179k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
3+ YOEUS citizen eligible for FAA Public Trust; degree (Bachelors+ with 8+ yrs, Masters+ with 6+ yrs, or PhD+ with 3+ yrs); strong Python software skills, additional languages (C, C++, JavaScript), LLM/API experience, AI/ML background, and local to specified MD/VA sites.
Python, C, C++, JavaScript, PyTorch, TensorFlow, Anthropic Model Context Protocol (MCP), Kubernetes, Terraform, LLMs
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AI/ML Research Scientist - Agentic Systems
Herndon, Virginia, United States
$112k-$179k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
3+ YOEDegree (BSc+8 yrs / MSc+6 yrs / PhD+3 yrs), strong Python and software development skills, experience with C/C++/JavaScript, demonstrated AI/ML work, LLM API experience, US citizenship and ability to obtain FAA Public Trust, local to specified MD/VA sites.
Python, C, C++, JavaScript, PyTorch, TensorFlow, Anthropic Model Context Protocol (MCP), Kubernetes, Terraform
3w
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Senior AI/ML Engineer & Data Scientist
McLean or Tysons Corner
OnsiteFull Time
Guidehouse
Guidehouse: Provides management and technology consulting services to diverse organizations.
10+ YOEActive TS/SCI clearance with full-scope polygraph, 10+ years of relevant experience, bachelor's degree, and demonstrated AI/ML engineering and data science experience; autonomous work is required.
AI/ML, artificial intelligence, data science, remote sensing
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Data Scientist - AI/ML
Lanham, Maryland, United States
$87k-$105k/yr OnsiteFull Time
Science Systems and Applications, Inc.
Science Systems and Applications, Inc.: Woman-owned scientific, engineering, and IT contractor serving NASA, NOAA, DoD, and other federal agencies.
5+ YOEMaster's degree plus 5+ years experience applying AI/ML to Earth science or large geospatial/remote sensing datasets; strong Python and Fortran skills; AWS/Azure experience; GIS and visualization experience.
Python, Fortran, AWS, Azure, GIS, GDAL, ArcGIS, GRASS GIS, JavaScript, Node.js, SQL, Linux, RESTful APIs, High-performance computing, Quantum computing
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Data Scientist - AI/mL Specialist
Fairfax, Virginia, United States
$94k-$198k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEBachelor's degree in a technical field, 5+ years AI/ML experience building production systems, expertise in modern ML frameworks, Python data stack, MLOps, and ability to obtain Public Trust clearance.
TensorFlow, PyTorch, scikit-learn, Python, Pandas, NumPy, Spark, Apache Airflow, SHAP, LIME, Elasticsearch, Kibana
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Data Scientist - AI/mL Specialist
Fairfax, Virginia, United States
$94k-$198k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEBachelor's in a technical field,5+ years AI/ML experience delivering production systems,expert Python and ML framework skills,experience with on-prem infrastructure,explainable AI knowledge,and eligibility for DHS Public Trust.
TensorFlow, PyTorch, scikit-learn, Python, Pandas, NumPy, Spark, Apache Airflow, Elasticsearch, Kibana, SHAP, LIME
1w
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Associate AI/ML Data Scientist (Systems Architecture, Associate)
Reston, Virginia, United States
$150k-$180k/yr OnsiteFull Time
The MIL Corporation
The MIL Corporation: Delivering IT, engineering, and financial solutions to government agencies.
Requires 8+ years in software, data engineering, distributed systems, cloud architecture, or AI/ML platforms; Python and SQL expertise; cloud platform experience; bachelor's degree or equivalent; Top Secret/SCI with CI Polygraph clearance.
Python, SQL, Azure, AWS, Google Cloud, MLOps, CI/CD, Retrieval-Augmented Generation (RAG), LLM
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ME00633-AI/ML Data Scientist 3
Annapolis Junction, Maryland, United States
$185k-$215k/yr OnsiteFull Time
Momentum Engineering
Momentum Engineering: Provides engineering and technical services for national security missions.
10+ YOEActive Top Secret/SCI clearance with NSA full-scope polygraph, bachelor's degree in a quantitative discipline, and 10+ years across machine learning, data mining, analytics, AI, software engineering, or data science.
Python, Jupyter Notebooks, ElasticSearch, Kibana, SQL, R, SAS, MATLAB
3mo
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Data Scientist / AI/ML Engineer (Imagery) VAWFH 1652
Reston, Virginia, United States
$100k-$250k/yr OnsiteFull Time
Global InfoTek
Global InfoTek: Develops advanced cybersecurity software and systems for defense agencies.
5+ YOE5-7 years in machine learning, computer vision, data science; strong Python and ML frameworks; image/video data experience; research-level algorithm understanding; Linux and Git proficiency; TS/SCI clearance; US citizenship.
Python, PyTorch, TensorFlow, Linux, Git, Docker
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Principal Associate, Data Scientist - Emerging ML
McLean or New York City or San Jose
$162k-$201k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
5+ YOEAdvanced degree in quantitative field plus relevant analytics experience; 3–5+ years of data science experience; proficiency in Python/Scala/R, SQL, Spark, AWS; strong statistical and ML expertise.
Python, Scala, R, Spark, AWS, SQL
2d
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2027 PhD Graduate Software Engineering/ML/Data Scientist - Intelligence Systems
Laurel, Maryland, United States
$105k-$245k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
0+ YOEPhD in computer science, mathematics, engineering, or related technical field; recent graduates accepted. Must obtain Interim Secret clearance and ultimately Top Secret clearance; U.S. citizenship required.
Artificial Intelligence (AI), Machine Learning (ML)
4w
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Data Scientist
Washington, District of Columbia, United States
$130k-$160k/yr OnsiteFull Time
The Bison Group
The Bison Group: Provides intelligence and technology services for national security missions.
4+ YOE4+ years as a data scientist, strong statistical modeling and ML using Python/R, AWS experience, SQL proficiency, BSA/AML domain knowledge, Top Secret clearance.
Python, R, AWS S3, AWS RDS, OpenSearch, AWS Lambda, Jupyter Notebook, PySpark, Pandas, SQL, PostgreSQL, scikit-learn, TensorFlow, MATLAB, Spark
3mo
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Data Scientist (Senior) ML/Russian - TS/SCI
Springfield, Virginia, United States
$115k-$150k/yr OnsiteFull Time
Wiser Imagery Services
Wiser Imagery Services: Private U.S. defense contractor providing GEOINT, LiDAR, and mapping services to government and commercial clients.
12+ YOETS/SCI clearance, US citizenship, 12+ years experience in data science or 10+ with MS, strong Python/ML skills, geospatial experience.
Python, SQL, ArcGIS, ESRI ArcGIS, NoSQL, MongoDB, PostgreSQL, Microsoft Access
2mo
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Senior Data Scientist - AI/ML (Defensive Cyber Operations)
Columbia, Maryland, United States
$146k/yr OnsiteFull Time
Endictus
Endictus: Provides cybersecurity and systems engineering services to federal agencies.
8+ YOEActive TS/SCI with Polygraph; Bachelor's in a technical discipline plus 8+ years relevant experience (advanced degree may substitute); 3+ years supporting Defensive Cyber Operations and 3+ years developing ML models; strong statistical/ML skills.
Python, R, SQL, Jupyter Notebooks, AWS, Big Data Platform (BDP), Linux (Ubuntu, CentOS, RHEL), Windows
3mo
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Data Scientist 3
Annapolis Junction, Maryland, United States
OnsiteFull Time
RealmOne
RealmOne: Provides advanced technology services for national security agencies.
10+ YOESenior Data Scientist with 10+ years of relevant experience in data engineering, ML, data management, and government data analysis; BS required, advanced degree preferred or related certifications.
Python, SQL, Machine Learning, Data Visualization
1mo
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Air Force A10 AI/ML Engineer / Data Scientist
Arlington, Virginia, United States
$133k-$208k/yr OnsiteFull Time
Noblis
Noblis: Provides science and technology solutions for government missions.
5+ YOEBachelor's degree (or equivalent experience),5+ years experience,production ML deployment including LLMs,PyTorch,Docker,Kubernetes,Python,JavaScript,AWS,MLOps experience,US citizen with Top Secret clearance and SCI eligibility.
PyTorch, Ray, Docker, FastAPI, Kubernetes, Python, JavaScript, AWS
1mo
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Air Force A10 AI/ML Engineer / Data Scientist
Arlington, Virginia, United States
$133k-$208k/yr OnsiteFull Time
Noblis
Noblis: Nonprofit science, technology, and strategy firm supporting government missions.
5+ YOEBachelor's degree plus 5 years experience (or associates+8 years or HS+11 years). Production ML/LLM deployment, MLOps/DevOps, PyTorch, Docker, Kubernetes, Python, JavaScript, AWS, Top Secret clearance with SCI eligibility required.
PyTorch, Ray, Docker, Kubernetes, FastAPI, Python, JavaScript, AWS