61 ml scientist jobs at 34 companies in Winchester, VA
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AI/ML Research Scientist - Agentic Systems
Herndon or Annapolis Junction or Bowie
$112k-$179k/yr OnsiteFull Time
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
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
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Data Scientist / AI/ML Engineer (Imagery) VAWFH 1652
Reston, Virginia, United States
$100k-$250k/yr OnsiteFull Time
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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Data Scientist (AI/ML)
Chantilly, Virginia, United States
$91k-$142k/yr OnsiteFull Time
3+ YOERequires TS/SCI clearance with current polygraph, U.S. citizenship, degree or equivalent experience, machine learning and data science expertise, and proficiency with Python, SQL, Spark, Git, Tableau, Shodan, and Censys.
Python, PostgreSQL, SQL, Apache Spark, Git, Tableau, Shodan, Censys, Kubernetes, Apache NiFi, Hadoop, Amazon Web Services (AWS), Google Cloud Platform (GCP), Microsoft Azure
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Data Scientist
Chantilly, Virginia, United States
OnsiteFull Time
5+ YOESenior-level data scientist with 5+ years experience supporting Intelligence Community missions; Python and analytics expertise; TS/SCI with FSP required; strong statistical, ML, and visualization skills.
Python, SQL, R, Hadoop, Spark, Java, C/C++, Git, Bash, Tableau, ArcGIS, Unix/Linux
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Data Scientist
Herndon, Virginia, United States
HybridFull Time
5+ YOE5+ years in data science or ML; experience with overhead imagery data and computer vision; Python, ML libraries (PyTorch); ETL pipelines; Git, Linux; security clearance eligible.
Python, PyTorch, Git, Linux
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Data Scientist
Chantilly, Virginia, United States
$62k-$141k/yr OnsiteFull Time
Bachelor's in a STEM field required, TS/SCI with polygraph required, experience with Python or R, object-oriented programming, ML/NLP, and data processing frameworks (Pandas, Spark); ability to develop predictive models and deploy ML solutions.
Python, R, Pandas, Polars, Spark, scikit-learn, PyTorch, TensorFlow, SQL, NoSQL, MapReduce, Hadoop, Hive, EMR, Kafka, Gurobi, MySQL, LLMs
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Data Scientist
Washington or Frederick
$82k-$172k/yr OnsiteFull Time
5+ YOETS/SCI with polygraph, Bachelor's+5yrs or Master's+2yrs, Python and SQL experience, ML/NLP experience, AWS experience, ability to produce reports and dashboards.
Python, SQL, tableau, Amazon Web Services (AWS), Terraform, Ansible, FastText, TF-IDF
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Data Scientist
Washington or Frederick
$82k-$172k/yr OnsiteFull Time
2+ YOETS/SCI with polygraph required. Bachelor's+5yrs or Master's+2yrs (or equivalent experience). Experience with Python, SQL, ML, NLP, EMR, AWS; ability to produce reports and dashboards.
Python, SQL, Tableau, TF-IDF, FastText, Terraform, Ansible, Amazon Web Services (AWS)
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Data Scientist
Ashburn, Virginia, United States
$83k-$140k/yr HybridFull Time
0+ YOEExperience developing ML models, advanced analytics, SQL and programming in R/Python/Scala/Java; ability to extract/clean/transform large datasets and apply supervised/unsupervised methods.
R, Python, Scala, Java, SQL, SAS, SPSS Modeler, WEKA, Periscope, Business Objects, D3, Tableau, SAS Visual Analytics, PowerBI, Hadoop, HIVE, HDFS, HBase, MapReduce, Spark, Kafka, Sqoop
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Senior Applied Scientist
Reston, Virginia, United States
HybridFull Time
2+ YOEPhD or Bachelor's in CS or related field, 2+ years post-graduate industrial ML/NLP research, expertise in deep learning frameworks, strong programming (Python), communication, and ML lifecycle skills.
Python, TensorFlow, PyTorch, MXNet, SageMaker, MLFlow
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Data Scientist
Chantilly, Virginia, United States
$200k-$225k/yr OnsiteFull Time
Experience developing Python data science applications, ML frameworks (scikit-learn, SpaCy, TensorFlow, PyTorch, Keras), NLP, AWS, REST, SQL/Postgres, and analytic/problem-solving skills.
Python, scikit-learn, SpaCy, TensorFlow, PyTorch, Keras, AWS Services, REST, SQL, Postgres, ICQL, Retrieval Ware
2d
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Data Scientist
Sterling or Tampa
OnsiteFull Time
5+ YOEMaster's degree preferred in a technical field; 5–12 years of data science or operations research experience, including 5 years supporting combatant command, joint headquarters, or Defense Department environments.
R, R Shiny, Python, Python Shiny, SQL, PostgreSQL, Microsoft Office, Microsoft SharePoint, MAVEN Smart Systems, Command and Control of the Information Environment (C2IE), Advana, AI, ML, Git, Large Language Models
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Data Scientist
Chantilly, Virginia, United States
$62k-$141k/yr OnsiteFull Time
Bachelor's in STEM required, TS/SCI with polygraph required; experience with Python or R, object-oriented programming, data processing frameworks, ML frameworks, EMR/structured and unstructured data, and developing predictive models.
Python, R, Pandas, Polars, Spark, scikit-learn, pytorch, tensorflow, SQL, NoSQL, MapReduce, Hadoop, Hive, EMR, Kafka, Gurobi, MySQL
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Data Scientist
Reston, Virginia, United States
$100k-$140k/yr OnsiteFull Time
3+ YOEMaster's in Machine Learning/Data Science, 3+ years building ML solutions with Python, TensorFlow, Scikit-learn, Pandas; LLM integration and agent workflows experience; consulting experience and strong communication skills.
Python, TensorFlow, Scikit-learn, Pandas, OpenAI, Anthropic, LangChain, LangGraph
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Data Scientist
Chantilly, Virginia, United States
OnsiteFull Time
2+ YOEActive TS/SCI with polygraph; bachelor\u0002s +2 years (or master\u0002s); experience in software architectures, ML, ontologies, dataset generation, model evaluation, responsible AI, Agile (Scrum/SAFe), and cloud architectures.
Microsoft Office, Scrum, SAFe
2d
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Data Scientist
Chantilly, Virginia, United States
$195k-$260k/yr OnsiteFull Time
5+ YOERequires 5+ years in data science, advanced analytics, or machine learning; Python, R, SQL, ML libraries, AWS and big data experience; active TS/SCI with polygraph; bachelor's or master's degree in a quantitative discipline.
Python, R, SQL, PostgreSQL, Oracle, Pandas, NumPy, Scikit-Learn, TensorFlow, PyTorch, AWS GovCloud, AWS Glue, Apache Kafka, AWS S3, EMR, Redshift, Amazon QuickSight, Tableau, Power BI, Git, CI/CD, HIPAA, NLP
2w
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Data Scientist
Reston, Virginia, United States
$121k-$189k/yr OnsiteFull Time
Active TS/SCI clearance with polygraph; degree with corresponding experience (various degree/yoe combinations); experience developing and deploying ML/CV models; proficiency with Python, SQL, Spark; strong data engineering and model evaluation skills.
Python, PostgreSQL, SQL, Apache Spark, Git, Apache NiFi, Hadoop, Amazon Web Services (AWS), Google Cloud Platform (GCP), Microsoft Azure, TensorFlow, PyTorch, OpenCV
1mo
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Data Scientist
Reston, Virginia, United States
$97k-$165k/yr OnsiteFull Time
12+ YOEBachelor's in a related field, 12 years of data science experience, active Top Secret/SCI clearance required, must be able to obtain polygraph; experience with data cleaning, dashboards (Tableau/Power BI), and AI/ML for unstructured data.
Tableau, Power BI
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Senior Computer Scientist
Reston, Virginia, United States
OnsiteFull Time
12+ YOETS/SCI with Poly; MS in Data Science/CS/Statistics/Math; 12+ years in data science/analytics/ML for intelligence/defense; Python/R/SQL; data visualization; ML; knowledge graphs; SPARQL/GraphQL; AI/ML model development for analytic tradecraft.
Python, R, SQL, Power BI, Tableau, SPARQL, GraphQL
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