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41 lead data scientist jobs at 31 companies in Washington, DC

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Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Python, PyTorch, Elasticsearch, LLMs
Help us #BeatIndeed & #BeatLinkedIn
3mo
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Lead Data Scientist
Bethesda, Maryland, United States
$147k-$198k/yr OnsiteFull Time
Total Wine & More
Total Wine & More: Large independent retailer of wine, spirits, and beer.
5+ YOEBachelor’s in data science, CS, math, stats or related field; 5-8 years in data science; strong Python/SQL; ML/AI design and production deployment; leadership and mentoring.
Python, SQL, Docker, Kubernetes, CI/CD
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1mo
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Lead Data Scientist
Arlington, Virginia, United States
OnsiteFull Time
Redhorse Corporation
Redhorse Corporation: Provides management consulting and IT services to government agencies.
8+ YOE8+ years in data science with predictive maintenance, Weibull modeling, leadership, and secret clearance; strong client engagement and communication.
Python, R, Monte Carlo modeling, Weibull distribution, SQL
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2mo
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Lead Data Scientist
Washington, District of Columbia, United States
$170k-$219k/yr OnsiteFull Time
CAVA Group
CAVA GroupNYSE: CAVA: Operates a chain of Mediterranean fast-casual restaurants.
5+ YOE5+ years in data science/AI; strong ML/stat modeling; Databricks; Python; SQL; production ML lifecycle; strong communication.
Databricks, Python, SQL, TensorFlow, PyTorch, Spark, MLflow
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1mo
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Lead Data Scientist
Suitland, Maryland, United States
OnsiteFull Time
B&A
B&A: Provides IT systems integration and data services to federal agencies.
15+ YOEPhD in a quantitative field; 15+ years in data science leadership; expert in Python, R, SAS, SQL; ML/NLP/LLMs; U.S. citizenship; ability to supervise others.
Python, R, SAS, SQL, Machine Learning, Natural Language Processing, Large Language Models
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3w
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Lead Data Scientist
Alexandria, Virginia, United States
OnsiteFull Time
CALIBRE Systems
CALIBRE Systems: Provides management consulting and digital transformation solutions for government agencies.
15+ YOEPhD in a related field, 15+ years leading complex data science/analytics programs, experience with federal missions, data governance, cloud analytics, team leadership, stakeholder engagement, and strong communication.
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1mo
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Data Scientist Lead
McLean, Virginia, United States
$176k-$282k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
12+ YOE2+ MgmtActive TS/SCI with poly; BS/BA, 12+ years experience; strong data science with Python, R, Ruby; cross-organizational collaboration; strong project management and communication skills.
Python, R, Ruby
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2mo
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Data Scientist - Senior
Springfield, Virginia, United States
OnsiteFull Time
GRVTY
GRVTY: Develops defense technology, cyber, and intelligence software solutions.
10+ YOESenior Data Scientist with TS/SCI clearance, 10+ years in data analytics for IC/DoD, expertise in unstructured data, data mining, and leading teams.
Map Large, Tableau, MatLab, Python, SQL, ArcGIS, Geospatial Analysis
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1mo
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Data Scientist Lead
McLean, Virginia, United States
$176k-$282k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
12+ YOEActive TS/SCI with polygraph; 12+ years of relevant experience; strong data science background with Python, R, Ruby; customer service and project management skills; cross-organizational collaboration; excellent organization.
Python, R, Ruby
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1mo
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Data Scientist, Lead
Washington, District of Columbia, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: Provides AI-powered decision intelligence software for national security.
3+ YOETS/SCI clearance with CI poly; bachelor’s in data science/engineering/mathematics; 3+ years in data analysis; Python and/or R; experience with large data, multi-INT analytics, ML, and automated predictive analytics.
Python, R, SQL, Tableau, Power BI, Microsoft Office
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1mo
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Lead Data Scientist
Suitland, Maryland, United States
OnsiteFull Time
Onyx Government Services
Onyx Government Services: Provides data analytics and IT services for federal agencies.
15+ YOEPhD required with 15+ years of technical and management leadership in data science. Expert in Python, R, SAS, SQL; experience with ML, deep learning, NLP, generative AI/LLM, synthetic data, privacy-preserving techniques, and NIST AI Framework.
Python, R, SAS, SQL, MLOps, LLMOps, NIST AI Framework, LLM
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2w
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Lead Data Scientist, AdTech
Arlington or Baltimore or Buffalo or Jersey City or Manchester or New York or Philadelphia or Stamford
$175k-$200k/yr RemoteFull Time
Launch Potato
Launch Potato: Digital media operating a portfolio of consumer brands.
5+ YOE5+ years applied data science experience; proven digital/performance marketing or leadgen experience; strong modeling fundamentals; multi-year ML deployment in AWS; expertise in Python and SQL; adtech and paid-media modeling experience.
AWS, Python, SQL, Looker, Google, Meta, LLMs
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2mo
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Data Scientist, Mid
Reston, Virginia, United States
$78k-$176k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
3+ YOE1+ Mgmt3+ years of data exploration, data cleaning, data analysis, data visualization or data mining; 3+ years in statistical/programming for data analysis; 3+ years analyzing structured and unstructured data; leading teams; GenAI/MLOps experience; TS/SCI clearance; HS diploma or GED.
Python, R, SQL, NoSQL, JupyterHub, Jupyter Notebook, GenAI, MLOps
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5d
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Lead Data Scientist (AI/ML)
Fresno or Washington or Jacksonville or Chamblee or Chamblee or Fairview Heights or Covington or Lanham or Detroit or Kansas City or Saint Louis or Charlotte or Holtsville or Philadelphia or Guaynabo or San Juan or Memphis or Austin or Austin or Farmers Branch or Ogden or Kearneysville
$126k-$193k/yr OnsiteFull Time
IRS Office of Chief Counsel
IRS Office of Chief Counsel: Represents the IRS in tax litigation and legal matters.
1+ YOEBachelor's in math/statistics/computer science/data science or equivalent, 1+ year specialized GS-13-equivalent experience in AI/ML, experience with cloud and big-data platforms, Python/SQL/Java/Scala skills, strong communication and leadership.
Databricks, Apache Spark, Azure, AWS, Google Cloud Platform (GCP), Python, Java, SQL, Scala
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1w
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Lead Data Scientist (5421)
Fort Washington or Camp Springs or Hollywood
$103k-$172k/yr OnsiteFull Time
SMX
SMX: Providing cloud, cybersecurity, and mission-focused technology solutions to government.
3+ YOETop-Secret clearance required, Bachelor's degree, minimum 3 years relevant experience, developed/deployed AI/ML/LLM solutions, familiarity with SQL, Python/R, Tableau, strong communication skills.
SQL, Python, R, Tableau
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3mo
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Data Scientist Lead ID
McLean or Washington
OnsiteFull Time
Quick Services
Quick Services: Provides specialized intelligence and security services to defense agencies.
12+ YOEActive TS/SCI with polygraph, 12+ years relevant experience (BS/BA), proficiency in Python,R,Ruby, strong organizational and customer engagement skills, IC experience preferred.
Python, R, Ruby
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4d
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Lead Consultant Data Scientist
Arlington, Virginia, United States
HybridFull Time
Excella
Excella: Provider of agile software and AI solutions for government agencies.
6+ YOE6+ years in predictive analytics with Python/R/Scala, advanced SQL, machine learning (including deep learning and NLP), Hadoop/Spark/cloud experience, leadership and Agile experience.
Python, R, Scala, SQL, Hadoop, Spark, Agile Scrum, DevOps Research and Assessment (DORA)
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1mo
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Lead Data Scientist
Louisville or Boston or New York City or Dallas or Tampa or Washington DC
$142k-$196k/yr HybridFull Time
Humana
HumanaNYSE: HUM: Provides health insurance plans and clinical healthcare services.
2+ YOEBachelor's or Master's in a relevant field with years of experience in AI/ML; hands-on leadership in AI/ML systems; proficiency in Python, SQL, and ML frameworks; experience with agentic AI and MLOps.
Python, SQL, Scikit-Learn, TensorFlow, PyTorch, LangChain, LangGraph, AutoGen, CrewAI
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1w
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Data Scientist, Mid
Arlington, 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 with data exploration, cleaning, analysis, visualization, statistical/programming languages, predictive modeling, machine learning, and leading solution development; bachelor’s degree and ability to obtain Secret clearance.
R, Python, SQL, NoSQL, MapReduce, Hadoop, Hive, EMR, Kafka, Spark, Gurobi, MySQL, Plotly, Seaborn, ggplot2, Advana, Vault, PowerPoint
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2mo
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Lead Data Scientist / DTAM / (Hybrid) [Contingent]
Silver Spring, Maryland, United States
$155k-$185k/yr HybridFull Time
iWorks Corporation
iWorks Corporation: Provider of IT and professional services to federal agencies.
15+ YOEPhD in a technical field; 15+ years of technical leadership and delivery experience.
Cloud, DevSecOps, CI/CD, Infrastructure as Code, RTM, APIs, Microservices, Serverless, Containers, Zero Trust
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2mo
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Lead Data Scientist/Data Analyst
Stafford or Quantico
$145k-$165k/yr OnsiteFull Time
Kalman & Company
Kalman & Company: Provides program management and logistics services to federal government agencies.
5+ YOEUS citizen with Secret clearance (or ability to obtain), 5+ years supporting DoD, bachelor’s in a quantitative field, strong analytics, Power BI/DAX, Python and SQL experience.
Microsoft Excel, Microsoft Power BI, DAX, Power Query, Power Automate, Power Apps, Python, SQL, R, scikit-learn, pandas, plotly, shiny, Spark, Scala, Java, UiPath, Databricks
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