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  • Senior Data Scientist - Valuations & ML Innovation

     ...financial services company in McLean, VA, is seeking a skilled Data Scientist to lead initiatives in data analytics and machine learning....  ...should have a strong quantitative background, proficiency in Python and AWS, and a passion for leveraging data to drive decisions.... 
    Python

    Capital One

    McLean, VA
    1 day ago

  • Data Scientist

     ...BT-263 - Data Scientist Location: McLean, VA (fully on-site, no remote option) **MUST HAVE A POLY CLEARANCE TO APPLY. Those without...  ...products. Demonstrated experience using computer languages (e.g., Python, R, Pig, Java, C, SQL) to perform large scale parallel... 
    Python
    Remote work

    Bespoke Technologies LLC

    McLean, VA
    4 days ago

  • Senior Data Scientist

     ...financial services organization is seeking a highly skilled Senior Data Scientist to support advanced analytical initiatives across complex data...  ...related Game Theory disciplines Proficiency with SQL, Python, Jupyter Notebook/Lab, and modern analytical frameworks... 
    Python
    3 days per week

    Tandym Group

    Vienna, VA
    3 days ago

  • Data Scientist

     ...Overview VTG is seeking a talented and experienced Data Scientist to join our dynamic and innovative team in Herndon, VA/Chantilly, VA....  ...machine learning Proficiency with tools such as Postgresql/SQL, Python, R, and GitLab Demonstrated experience with producing... 
    Python

    VTG

    McLean, VA
    2 days ago

  • Senior Data Scientist

    $120k - $180k

     ...Overview We are seeking a Senior Data Scientist to lead the design, development, and deployment of advanced analytical models and machine...  ...models or performing advanced analytics. ~ Proficiency in Python and core data science libraries (Pandas, NumPy, scikit-learn,... 
    Python

    Steampunk.com

    McLean, VA
    2 days ago

  • Data Scientist - TS/SCI with Poly

     ...Key Skills: ctive TS/SCI with Polygraph Data Science experience Python and/or R Machine Learning/Computer Vision/Object Detection Pytorch, Keras, and overhead imagery Summary of Position: You will join a skilled team applying cutting... 
    Python
    Work at office

    Macpower Digital Assets Edge

    McLean, VA
    22 hours ago

  • Data Scientist - TSSCI w/ Poly

     ...We are seeking a Geospatial Data Scientist with strong machine learning and data engineering skills to transform massive geospatial datasets...  ...insights. • Write efficient, production ready code in Python, JavaScript, and auxiliary languages for data pipelines and visualization... 
    Python

    Insight Global

    McLean, VA
    22 hours ago

  • Data Scientist - McLean, VA - active TS/SCI FSP (Urgent) (Req: 13-24)

     ...Data Scientist - Active TS/SCI Full Scope Polygraph Location: McLean, VA Onsite: 100% In Bid / Vacant: Vacant Work Authorization...  ...Agency. # Experience using any computer languages (e.g., Python, R, Pig, Java, C, SQL, ECL) to perform large-scale parallel... 
    Python
    Full time

    Cyrten

    McLean, VA
    3 days ago

  • Mid Level Data Scientist

     ...Job Description Mid Level Data Scientist Full Visibility is seeking a Mid Level Data Scientist to support a mission focused project...  ...of data science and/or data analytics -Proficiency in Python -Ability to work onsite in McLean VA Preferred: Masters... 
    Python
    Contract work

    Full Visibility

    McLean, VA
    1 day ago

  • Data Scientist (Clearance Required)

     ...Data Scientist (Clearance Required) Chantilly, Herndon, Reston, McLean Whiteboard Federal is looking for a Data Scientist to provide...  ...modeling languages such as R or in software languages such as Python. Create, enhance, and maintain technical documentation.... 
    Python

    Whiteboard Federal

    McLean, VA
    5 hours agonew

  • Senior Data Engineer/McLean, VA(Onsite)- 6 months

     ...Senior Data Engineer Location: McLean, VA Build modern data platforms that turn complex information into clear business value....  ...critical business and client outcomes. In this role, you'll use your advanced SQL and Python expertise to develop robust ETL pipelines...... 
    Python

    Staffing the Universe

    McLean, VA
    5 hours agonew

  • Kubernetes Data Engineer

     ...Backend Data Engineer MC Lean, VA Long Term Contract * Manage/Administer Kubernetes *Develop Apps on Kubernetes using Python or Golang. * Supporting Batch AWS EMR, Pyspark * Strong in Pyspark, AWS Services, Dynamo DB, ELB, EC2, Lambda * 6-8 years' experience... 
    Python
    Long term contract

    Maintec Technologies

    McLean, VA
    3 days ago

  • Senior Data Engineer - SAS to Python Migration

     ...Senior Data Engineer Location: McLean, VA (Onsite 5 days) Duration: ASAP – 12/31 (with potential extension) Experience: 5–9...  ...data engineer to lead the migration of complex SAS codebases to Python as part of a large-scale data modernization initiative. This hands... 
    Python
    Immediate start

    RIT Solutions

    McLean, VA
    5 hours agonew

  • Senior Big Data / Machine Learning Engineer

     ...Job Title: Senior Big Data / Machine Learning Engineer Location: McLean, VA (Hybrid - 3 days onsite) Duration: 12 Months...  ...initiatives. Key Skills ~5+ years in Data Engineering ~ Strong Python / PySpark and SQL ~ Experience with AWS (Glue) and... 
    Python

    Spectraforce Technologies

    McLean, VA
    3 days ago

  • Data Scientist (SME) - TS/SCI with Polygraph Required

    $104.04k - $183.6k

     ...customers and stakeholders, implementing data science requirements, developing data engineering...  ...Demonstrated experience programming with Python Demonstrated experience with general...  ...technical issues to more junior data scientists, in graphical, verbal, or written formats... 
    Python
    Contract work

    LMI

    McLean, VA
    5 hours agonew

  • Big Data/Python Developer

     ...Big Data Developer I appreciate you taking the time to learn a little bit about our team at Freddie Mac here in the DC Metro area...  ...Unstructured data – XMLs, JSONs, PDFs) using Hadoop platform. Develop Python/PySpark scripts to filter/cleanse/map/aggregate data.... 
    Python

    Covetit

    McLean, VA
    5 hours agonew

  • Data Engineer

     ...Data Engineer Location: McLean, VA (Onsite/Hybrid – Local candidates preferred) Duration: 9 Months Contract We are seeking a highly skilled MLOps Engineer / Python Developer with strong experience in building and maintaining scalable data and machine learning pipelines... 
    Python
    Contract work
    Local area

    Artech

    McLean, VA
    5 hours agonew

  • Data Scientist

    $160k - $220k

     ...Data Scientist McLean, VA 22102 JTEC Consulting LLC focuses on successfully delivering solutions to meet our clients' most critical...  ...coding experience (varies by task) including Apache Hadoop, and Python ~ Experience in a data analytics environment, and the use... 
    Python
    For contractors
    Local area
    Relocation package

    JTEC Consulting LLC

    McLean, VA
    22 hours ago

  • Senior Data Scientist

     ...Position Overview Plateau is seeking a highly skilled Senior Data Scientist with deep expertise in big data, artificial intelligence, and...  ...mathematics Proficiency in programming languages such as Python and Java Experience with machine learning algorithms and... 
    Python
    Local area

    Plateau Software, Inc.

    Fairfax, VA
    4 days ago

  • Geospatial Data Scientist

     ...Overview Geospatial Data Scientist McLean, VA TS/SCI with Poly At Bcore, our strength comes from how we deliver impact to the...  ...and implementing data-driven solutions. You can expect to use Python, PostgreSQL, and AWS tools on a daily basis to establish automated... 
    Python
    Full time

    Bridge Core

    McLean, VA
    3 days ago

  • Data Scientist

     ...Data Scientist Hive Group, a HUBZone-certified SDVOSB and multiple award-winning organization, delivers innovative solutions to address...  ...certification or similar is highly desirable. Advanced proficiency in Python, R, or SQL is mandatory for querying and integrating complex... 
    Python
    Work at office
    Local area
    Immediate start

    Hive Group

    McLean, VA
    5 hours agonew

  • Geospatial Data Scientist

    $113k - $188k

     ...Our team has an immediate need for an experienced Geospatial Data Scientist to join our team at a customer-site in McLean, VA. The candidate...  ...data-driven solutions. Responsibilities: Use Python scripting and AWS services to automate geospatial data ingestion... 
    Python
    Full time
    Immediate start

    Maxar Technologies

    McLean, VA
    2 days ago

  • Data Scientist Intern - Passport Demand Forecasting (Summer 2026)

     ...Overview LMI is seeking a Data Science Intern with a strong background in statistical and econometric analysis to support our passport...  ..." data-turn="assistant" Strong programming skills (e.g., Python, R, etc.) Foundational coursework or experience in statistics... 
    Python
    Summer work
    Internship
    Work at office

    Logistics Management Institute

    McLean, VA
    22 hours ago

  • Senior Data Scientist

     ...About the Role SteerBridge is looking for a Senior Data Scientist to evaluate multi-dimensional aviation global supply chain and...  ...modeling. ~7+ years of professional proficiency using R, or Python for data wrangling and model building. ~ Experience in SQL or... 
    Python
    Work experience placement

    SteerBridge

    Vienna, VA
    22 hours ago

  • Data Scientist

     ...health agencies. We are exploring the addition of an experienced Data Scientist to support the Department of Veterans Affairs (VA) and federal...  ...-native analytics tools (Azure or AWS). ~ Experience in Python, R, and SQL for data manipulation, modeling, and analysis, and... 
    Python
    Contract work
    Flexible hours

    Prometheus Federal Services

    Fairfax, VA
    3 days ago

  • Big Data Engineer

    You will be able to apply advanced Data Engineering and Machine learning skills to solve real world challenges in building applications...  ...data - XMLs, JSONs, PDFs) using Hadoop platform. • Develop Python, PySpark, Spark scripts to filter/cleanse/map/aggregate data.... 
    Python

    Exaways Corporation

    McLean, VA
    1 day ago

  • Data Scientist

     ...with us. Department Summary: MITRE's Data Science department is looking for...  ...successful candidate for this position is a Data Scientist who combines a solid theoretical and...  ...Programming and Databases - Proficiency in Python and SQL; experience with NoSQL or graph databases... 
    Python
    Internship
    Local area

    The MITRE Corporation

    McLean, VA
    4 days ago

  • Data Scientist (Generative AI)

    $125k - $160k

     ...Overview We are looking for seasoned Data Scientist (Generative) to work with our existing team of Data Scientists and Engineers to...  ...with a portfolio of relevant projects ~ Must be proficient in Python, with strong coding practices for scalability and reproducibility... 
    Python

    Steampunk.com

    McLean, VA
    4 days ago

  • Data Scientist - TS/SCI with Polygraph Required

    Data Scientist - TS/SCI with Polygraph Required Job Locations US-VA-McLean Job ID 2026-13799 # of Openings 1 Category...  ...statistical packages (e.g., R, SAS) and programming languages (e.g., Python, Java, and Scala); ~ Develop performance metrics, conduct... 
    Python
    Full time
    Local area

    LMI Consulting, LLC

    McLean, VA
    2 days ago

  • Data Scientist

     ...Data Scientist LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY...  ...REQUIRED SKILLS Proficiency in data manipulation tools (e.g., Python, R) Experience with machine learning techniques Strong... 
    Python
    Temporary work
    For contractors
    Immediate start
    Flexible hours

    Cymertek

    McLean, VA
    5 hours agonew