124 data science jobs at 80 companies in Winchester, VA

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Director, Data Science
Reston or United States
RemoteFull Time
ScienceLogic
ScienceLogic: IT operations platform for hybrid cloud monitoring and automation.
10+ YOE3+ Mgmt10+ years in data science with 3+ years leading teams; deep ML/AI expertise, model deployment and monitoring, A/B testing, proficiency in Python/R and ML libraries, cloud and big-data experience, strong communication.
Python, R, scikit-learn, TensorFlow, PyTorch, AWS, GCP, Azure, ClickHouse, Spark, Hadoop, Databricks, SQL, Tableau, Power BI, Matplotlib
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Audit Data Science Advisor
Washington or Reston
$155k-$209k/yr HybridFull Time
Fannie Mae
Fannie MaeOTCQB: FNMA: Providing liquidity and stability to the U.S. housing market.
6+ YOE6+ years in data science/ML including GenAI; Master’s in a quantitative field preferred; advanced Python; experience with AWS Redshift, Athena, S3, and AWS Data Wrangler; strong analytic and communication skills.
Python, Redshift, Athena, S3, AWS Data Wrangler, AWS, Anthropic, OpenAI
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Data Science Intern - Chantilly, VA
Chantilly, Virginia, United States
$30-$38/hr OnsiteInternship
ICR
ICR: Provides data science and analytics services.
Pursuing degree in Mathematics, Statistics, Data Science, Computer Science, or closely related field; proficient in Python; experience with noSQL databases; data visualization; ML concepts; strong analytical skills; able to learn quickly; self-motivated with minimal supervision.
Python, Elasticsearch, MongoDB, Kibana, Matplotlib, MatLab, R
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Senior Director, Data Science
San Mateo or Nashville or Sterling or United States
HybridFull Time
Asurion: Provides insurance and repair services for consumer electronics.
12+ YOE7+ MgmtAdvanced degree in a quantitative field or equivalent experience, 12+ years in data science, 7+ years leading teams, experience with ML, MLOps, model governance, experimental design, and executive communication.
AWS, Azure, Google Cloud, MLOps
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Lead Machine Learning / Data Science Engineer
Reston, Virginia, United States
$90k-$200k/yr HybridFull Time
CapTech
CapTech: Provides technology and management consulting services to large enterprises.
7+ YOE7+ years delivering data engineering and ML solutions on cloud platforms; technical leadership; hands-on with Python/Scala, SQL, Spark, Docker, Snowflake/Databricks; experience with LLMs, prompt engineering, and productionizing ML systems.
AWS, Azure, GCP, Python, Scala, SQL, Spark, NoSQL, Docker, Snowflake, Databricks, Azure SQL, Amazon RDS, LLMs, GPT, Claude, Mistral, MCP, RAG, LangChain, n8n, pydantic
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Data Scientist
Tysons Corner or Sterling
OnsiteFull Time
Core One
Core One: Provides mission support and intelligence solutions for national security.
Active TS/SCI w/ Poly; BS in CS/Data Science/IT or related field; experience with data quality, data exploitation, and large-scale data (structured/unstructured); Kibana or similar tools; ability to work independently or with teams.
Kibana, Data Exploitation Tools, Data Analysis Tools
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Data Scientist
Reston, Virginia, United States
HybridFull Time
Bcore
Bcore: Bcore develops technology and intelligence solutions for national security missions.
3+ YOEActive TS/SCI clearance, Bachelor's in a technical field, 3+ years in data science/analytics/engineering, proficiency in Python and SQL, experience with AWS GovCloud data pipelines and ML, familiarity with containerized environments and data governance.
Python, SQL, PostreSQL, AWS GovCloud, Lambda, Glue, S3, Step Functions, AWS SageMaker, Apache Spark, Kafka, Apache NiFi, Tableau, Microsoft Power BI, SAFe, Scrum, IAM, VPN, SSH
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Data Scientist
Herndon, Virginia, United States
HybridFull Time
NT Concepts
NT Concepts: Provides data and technology solutions for national security missions.
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
Reston, Virginia, United States
$97k-$165k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
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
2w
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Data Scientist
Chantilly, Virginia, United States
$150k-$250k/yr OnsiteFull Time
GRVTY
GRVTY: Develops defense technology, cyber, and intelligence software solutions.
3+ YOEActive TS/SCI+Poly, 3+ years data science experience, STEM degree, Python, Linux/Windows, experience with cyber data and large unstructured text, strong analytics and modeling skills.
AI/ML, NLP, Python, Linux, Windows, Shodan, Censys.IO, AWS, DevOps
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Data Engineer - Junior
Quantico, Virginia, United States
$94k-$157k/yr OnsiteFull Time
American Systems
American Systems: Providing strategic engineering and IT solutions for government programs.
0+ YOE0–3 years in data engineering; SQL and Python; bachelor’s in CS/IS/Engineering/Data Science; active TS/SCI clearance.
SQL, Python, Relational Databases
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Data Engineer
Chantilly, Virginia, United States
OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
Bachelor's in a quantitative field, experience in data science/analytics, proficiency in Python/R/Java and data libraries, containerization and CI/CD experience, infrastructure-as-code (Terraform/Ansible), and active Top Secret/SCI with Polygraph.
Python, R, Java, Pandas, NumPy, SciPy, RESTful APIs, Terraform, Ansible, Docker, Kubernetes, TensorFlow, PyTorch, Scikit-learn, Hadoop, Spark, STK, AWS GovCloud, SDLC, CI/CD, Test-driven development, DevSecOps
4d
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Data Scientist (76406)
Chantilly, Virginia, United States
$135k-$180k/yr HybridFull Time
Battelle
Battelle: Conducts scientific research and manages national laboratories for clients.
3+ YOEAdvanced data science experience applying machine learning, statistics, data engineering and multi-source data analysis for mission-critical government programs; active U.S. citizenship and TS/SCI with polygraph required.
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Data Scientist
Chantilly, Virginia, United States
$200k-$225k/yr OnsiteFull Time
Bridge Core
Bridge Core: Provides technical services and cybersecurity solutions to government agencies.
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
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Data Scientist - Mid
Reston, Virginia, United States
$140k-$155k/yr OnsiteFull Time
Cherokee Federal
Cherokee Federal: Provides specialized professional and technical services to federal government agencies.
4+ YOEActive TS/SCI with CI polygraph ability, 4+ years related experience, data science skills (R, Python, SQL), data visualization (Power BI, Tableau), experience with large-scale analytics and data architecture.
Microsoft Power BI, Tableau, R, Python, SQL, NoSQL, HPC
3w
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Data Scientist
Reston, Virginia, United States
$100k-$140k/yr OnsiteFull Time
Excelacom
Excelacom: Develops telecom software and provides technology consulting services.
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
2w
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Senior Data Scientist
Reston, Virginia, United States
OnsiteFull Time
Securiport
Securiport: Provides biometric and big data solutions for global border security.
5+ YOE5+ years in data science or quantitative analytics with production experience building models and data pipelines; strong Python and SQL skills; experience with anomaly detection, benchmarking, model monitoring, and working with large transactional trade datasets.
Python, SQL, pandas, scikit-learn, ASYCUDA, SYDONIA, Snowflake, BigQuery, Redshift, Airflow, dbt, Prefect
2w
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Data Scientist - Mid
Denver or St. Louis or Sterling or Springfield
$69k-$142k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
4+ YOEBachelor's or equivalent,4+ years data science experience,proficiency in Python or R and SQL,statistics and visualization experience,TS/SCI clearance with polygraph willingness.
Python, R, SQL, matplotlib, Tableau, ArcGIS, QGIS, GeoPandas
2mo
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Delivery Consultant- GenAI/ML & Data Science, Professional Services, AWS Industries
Jersey City or Austin or Atlanta or New York or Herndon or Mountain View or Dallas
$154k-$239k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
7+ YOE7+ years in technical specialist/architecture, 5+ years databases, 7+ years serverless/solutions, 5+ years software development, 3+ years cloud solutions, 7+ years project management, 5+ years GenAI/ML hosting, 8+ years coding/data querying.
SQL, NoSQL, Hadoop, Spark, Kafka, Kinesis, Python
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Data Analytics Specialist
Dulles or Herndon
HybridFull Time
Airbus
AirbusEuronext Paris: AIR: Designs and manufactures commercial and military aircraft and space systems.
Bachelor's in Engineering/Computer Science/Data Science required; robust Python coding, API experience, data structures/algorithms; authorized to work in the US; ~10% travel; fluent English; 3–5 years analytics experience preferred; DevOps/cloud experience preferred.
Python, APIs, DevOps