1,024 senior data jobs at 306 companies in Winchester, VA

1w
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Senior Data Engineer
Sterling, Virginia, United States
$153k-$207k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
10+ YOEBachelor's degree, 10+ years related experience, US citizenship, current Secret clearance (Top Secret preferred), experience with AI and data solutions, strong analytic and communication skills.
Artificial Intelligence (AI), Data Solutions, Technical Solutions
2mo
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Senior Data Scientist - Operational Analytics
Herndon, Virginia, United States
$104k-$166k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
8+ YOE8+ years with BS/BA, 6+ with MS/MA, or 3+ with PhD in data-related fields; strong data analysis and modeling; proficient in Python/R/SQL; US citizenship.
Python, R, SQL, Jupyter Notebooks
2w
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Data Engineer Senior
Fairfax, Virginia, United States
$95k-$130k/yr RemoteFull Time
ASM ResearchNYSE: ACN: Provides IT and healthcare services to government agencies.
5+ YOE5+ years data engineering experience, Bachelor's or equivalent, experience with Spark/Kafka/Airflow, relational and cloud stores, data quality and security, ability to obtain Secret clearance.
Apache Spark, Kafka, Flink, PostgreSQL, Snowflake, S3, Apache Airflow, AWS, Azure, Google Cloud
6d
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Senior Data Engineer
Bluemont, Virginia, United States
$140k-$165k/yr OnsiteFull Time
SHR Consulting Group
SHR Consulting Group: Provides IT consulting and engineering services to federal government agencies.
7+ YOERequires 7+ years of data engineering experience, a related bachelor's degree, advanced SQL and Python, distributed computing with Spark, EMR, or Databricks, cloud data expertise, and U.S. citizenship with Public Trust eligibility.
Spark, EMR, Databricks, SQL, Python, AWS, Azure, GCP, DevSecOps, FISMA, FedRAMP
4w
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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
1mo
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Senior Data Scientist
Kearneysville, West Virginia, United States
$133k-$169k/yr HybridFull Time
GovCIO
GovCIO: Provides technology and mission support services to federal agencies.
9+ YOEDoD 8570 IAT Level II cert, active Secret clearance, 9+ years experience, Python and SQL expertise, experience building ML models and large-scale data pipelines, data governance knowledge, and familiarity with Jira or Azure DevOps.
Python, SQL, Jira, Microsoft Azure DevOps, Kubernetes, Docker, GIS, DISA STIGs
1mo
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Senior Data Scientist
Denver or Springfield or Sterling or St. Louis
$82k-$172k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
8+ YOETS/SCI clearance with polygraph, Bachelor or equivalent, 8+ years experience, expert Python/R and SQL, ML production experience, data visualization, and geospatial experience preferred.
Python, R, SQL
1mo
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Senior Data Scientist
Denver or St. Louis or Sterling or Springfield
$82k-$172k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
8+ YOEBachelor's in related field,8+ years data science experience,expert Python or R,SQL proficiency,production ML deployment experience,and TS/SCI clearance with polygraph willingness.
Python, R, SQL
1w
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Senior Data Scientist
Chantilly, Virginia, United States
$130k-$160k/yr OnsiteFull Time
Tecolote Research
Tecolote Research: Provides defense acquisition consulting, analytics, and software solutions.
Bachelor's degree required; experienced in Python/R/Julia, numpy/pandas/scipy, ML frameworks (TensorFlow/PyTorch), data visualization, statistics, dataset preparation, and customer-facing reporting.
Python, numpty, pandas, scipy, R, Julia, TensorFlow, Pytorch, Jupyter Notebook, Apache Hadoop, Plotly, Tableau, PowerBI, Qlik, Google Charts
1mo
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Senior Operations Data Analyst
Frederick, Maryland, United States
$145k-$180k/yr OnsiteFull Time
Capital i
Capital i: Provides specialized healthcare technology management and biomedical engineering services.
10+ YOEActive Secret clearance, bachelor’s degree, ~10 years Army logistics experience, proficiency with Microsoft Office and Power BI, SQL and data validation skills, experience building dashboards and briefing senior leaders, ability to pass background screen and demonstrate US work authorization.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Power BI, Army Vantage, Palantir Foundry, Advana, SAP, SQL
1mo
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Senior Data Engineer
Chantilly, Virginia, United States
$90k-$187k/yr OnsiteFull Time
SOSi
SOSi: Provides technology and mission solutions for national security.
5+ YOEActive TS/SCI with poly required; 5+ years data engineering experience and STEM degree; experience with Apache Kafka, Apache Spark, Prefect, Docker, Kubernetes, Linux, ETL, and DevOps principles.
Apache Kafka, Apache Spark, Prefect, Docker, Kubernetes, Linux
3d
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Senior Data Engineer
Chantilly, Virginia, United States
$179k-$318k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
10+ YOEHigh school diploma/GED and 10+ years of software development experience. Requires Python, Java, SQL, databases, Big Data, ETL, Linux, RESTful APIs, and active TS/SCI with polygraph.
Python, Java, SQL, FastAPI, RESTful APIs, Apache Airflow, Linux, BI dashboards
2w
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Data Scientist, Senior
Chantilly, Virginia, United States
$190k-$240k/yr OnsiteFull Time
GRVTY
GRVTY: Develops defense technology, cyber, and intelligence software solutions.
9+ YOEActive Top Secret/SCI clearance, bachelor’s in a quantitative field or equivalent, 9+ years data science experience, strong Python skills and libraries (NumPy,pandas,scikit-learn,SciPy), production ML pipelines, large-scale geospatial/imagery experience.
Python, NumPy, pandas, scikit-learn, SciPy, GeoPandas, Shapely, Rasterio, GDAL
2mo
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Data Engineer – Senior
Herndon, Virginia, United States
$140k-$180k/yr RemoteFull Time
BDR Solutions
BDR Solutions: Provider of IT, engineering, and consulting for federal agencies.
8+ YOEActive MBI and U.S. citizenship; 8+ years cloud data engineering, 3–5 years Databricks, Databricks and AWS certifications, Python/PySpark/SQL, Delta Lake/medallion architecture, tenant onboarding and federal security compliance (NIST/FISMA/FedRAMP).
Databricks, Unity Catalog, Delta Live Tables, Auto Loader, Genie, Delta Lake, CDC, Python, PySpark, SQL, S3, IAM, VPC, CloudWatch, Glue, Athena, Terraform, GitHub Actions, Microsoft Azure DevOps, Kafka, MSK, dbt, Great Expectations, Splunk, Datadog, Collibra, Alation, AWS Lake Formation
2w
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Spark Data Engineer, Senior
Chantilly, Virginia, United States
$78k-$176k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
5+ YOE5+ years Spark (PySpark or Java) and enterprise-scale data engineering experience, ETL and big data pipeline building, experience with distributed tools (Spark, AWS, Kafka), TS/SCI clearance with polygraph, bachelor\u0002s degree.
Spark, PySpark, Java, AWS, Kafka, Cassandra, Postgres, Docker, Kubernetes
2w
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Spark Data Engineer, Senior
Chantilly, Virginia, United States
$78k-$176k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
5+ YOE5+ years Spark (PySpark or Java) and big-data ETL experience, experience with distributed tools (AWS,Kafka), TS/SCI with polygraph required, bachelor’s degree.
Spark, PySpark, Java, AWS, Kafka, Docker, Kubernetes
2mo
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Senior Data Analyst with Informatica
Reston, Virginia, United States
$84k-$108k/yr HybridFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
5+ YOE5+ years data/analysis experience with hands-on Informatica, advanced Oracle SQL, ETL troubleshooting, production support, data corrections, and strong communication skills.
Informatica, Oracle SQL, AWS S3, Amazon Web Services, Toad, Jira, Confluence, Python, Agile
1d
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Senior Palantir Data Engineer
Herndon or Washington
HybridFull Time
Unissant
Unissant: Delivers data analytics and cybersecurity services to government agencies.
5+ YOEBachelor's degree and 5+ years of data engineering experience, including 3+ years with Palantir Foundry. Requires Python/PySpark, SQL, cloud platforms, and ability to obtain DHS Public Trust clearance.
Pipeline Builder, Code Workbook, Palantir Foundry, Python, PySpark, SQL, TypeScript, AWS, Azure, GCP
1mo
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Senior AI Data Engineer
Herndon, Virginia, United States
OnsiteFull Time
Karsun Solutions
Karsun Solutions: Delivers enterprise IT modernization solutions to federal government agencies.
5+ YOEBachelor's in CS/CE/Data Science, 5+ years data engineering experience, 3+ years Databricks, 5+ years Python/PySpark, Airflow, AWS (S3/Glue/Lambda), MLOps and Generative AI integration experience.
Databricks, Delta Lake, Delta Live Tables, Databricks Workflows, Unity Catalog, Python, PySpark, Apache Airflow, LLMs, S3, Glue, Lambda
1mo
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Data Scientist
Chantilly, Virginia, United States
OnsiteFull Time
NS2 Mission
NS2 Mission: Delivers secure data management and analytics for national security.
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