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  • Lead Data Scientist

     ...MANTECH is seeking a motivated, career and customer-oriented Lead Data Scientist to join our Data and AI Practice onsite in Alexandria, VA ....  ...technologies Proficiency in programming languages such as Python, Java, or SQL  Experience with SQL and NoSQL databases... 
    Python
    Full time
    Work at office

    MANTECH

    Alexandria, VA
    5 hours ago

  • Data Scientist - AI/ML for Product Safety (Remote)

    A leading data science firm in Arlington, Virginia, is seeking a motivated Data Scientist to design and implement AI/ML solutions for actionable insights and enhanced decision...  ...3 years of experience in AI/ML modeling and Python, alongside strong communication skills. This... 
    Python
    Full time
    Remote work

    Elder Research

    Arlington, VA
    2 days ago

  • Remote Senior Data Scientist AI/ML for Safety

     ...firm based in Arlington, VA is seeking an experienced Senior Data Scientist to develop AI and statistical models that drive actionable insights...  ...a minimum of 5 years of relevant experience, particularly in Python, and familiarity with cloud environments like Azure. This... 
    Python
    Remote work

    Elder Research

    Arlington, VA
    2 days ago

  • Remote Data Science & ML Engineer (LLMs/AI)

    An innovative consulting firm is seeking a Data Science/Machine Learning Engineer to apply machine learning techniques. Responsibilities...  ...collaborating with teams. The ideal candidate has experience in Python and Large Language Models, with a passion for solving complex... 
    Python
    Remote work

    ICA Corporation

    Arlington, VA
    1 day ago

  • Remote Data Science & ML Engineer (LLM Focus)

    An innovative consulting firm in Arlington, VA, seeks a Data Science / Machine Learning Engineer skilled in applying machine learning...  ...product improvements. Ideal candidates have robust experience with Python, particularly in cloud environments, and are familiar with large... 
    Python
    Remote work

    ICA Corporation

    Arlington, VA
    1 day ago

  • Senior Data Scientist

    Job Summary: FRDA is seeking a Senior Data Scientist to architect and lead the delivery of advanced data science solutions that enable mission...  ...deployment. ~Architect and maintain analytic pipelines using Python, cloud-native services, and containerization technologies (e.g... 
    Python
    Local area

    Foreign Resource Development Associates, LLC

    Arlington, VA
    2 days ago

  • Data Scientist

    Job Summary: FRDA is looking for a Data Scientist to join a multidisciplinary team developing analytic capabilities for real-world mission...  ...settings. ~Work within a modern development stack including Python, Git, Docker, and FastAPI. ~Collaborate with analysts, engineers... 
    Python
    Local area

    Foreign Resource Development Associates, LLC

    Arlington, VA
    2 days ago

  • Remote Data Engineer for AI Pipelines & Training

    A technology consulting firm is seeking a skilled Data Engineer to join a remote team and play a vital role in developing AI agents....  ...engineers for optimal data flow, and maintain ETL processes using Python and SQL databases. The ideal candidate will have 3+ years of... 
    Python
    Remote work

    YO IT Consulting

    Alexandria, VA
    2 days ago

  • Senior Data Scientist

     ...Corporation seeks a motivated, career and customer-oriented Senior Data Scientist. The Data Scientist will lead the design and implementation of...  ...best practices. ~ Technical Skills: ~3+ years hands-on Python experience (Pandas, Scikit-learn, PyTorch/TensorFlow), 3+... 
    Python
    Full time
    Local area
    Remote work

    Elder Research

    Arlington, VA
    1 day ago

  • Data Scientist - Sr

     ...Join the Nalley Consulting team as a Data Scientist in metro Washington, D.C. Position: Data Scientist LCAT: Sr Location: Pentagon...  ...user interface) and visual and geographical displays. ~ Python and Tableau  experience. ~7+ years of experience with data... 
    Python
    Temporary work
    Flexible hours
    Shift work

    NALLEY CONSULTING, LLC

    Arlington, VA
    5 hours ago

  • Senior Data Scientist

     ...reliability at significantly lower capital cost. The Senior Data Scientist is responsible for developing and maintaining data analytics...  ...Fundamental skills in data processing languages such as SQL, Python, or Scala. ~ Knowledge in building data science solutions using... 
    Python

    Venture Global LNG

    Arlington, VA
    2 days ago

  • Senior Data Scientist - Fulltime

     ...Position : Senior Data Scientist Location : Arlington, VA (5 days on site) Locals Preferred Top 3 Skills:...  ...Fundamental skills in data processing languages such as SQL, Python, or Scala. ~ Knowledge in building data science solutions... 
    Python
    Full time
    Local area

    Rootshell Enterprise Technologies

    Arlington, VA
    4 days ago

  • Senior Data Scientist II - Agentic AI

    $104.9k - $174.7k

     ...legal use case. The company employs over 2,000 technologists, data scientists, and experts to develop, test, and validate solutions in line...  ..., AutoGen) in real-world use cases. Proficiency in Python and data analysis tools. Strong foundation in statistics,... 
    Python
    Local area
    Worldwide
    Flexible hours

    RELX

    Alexandria, VA
    2 days ago

  • Data Scientist

    Description Position:  Data Scientist Location: Rosslyn, VA,   Clearance:  Secret   The Data Scientist supports data-driven decision...  ...organizational goals (Level III) ~Utilize programming languages such as Python, R, SQL, or Java ~Leverage 3+ years (Level II) or 5+ years (... 
    Python

    ActioNet

    Arlington, VA
    5 hours ago

  • Senior Data Scientist TS/SCI W/FSP

     ...skills and experiences. Your role and responsibilities As a Data Scientist specializing in Artificial Intelligence, you will leverage...  ...computing, applying strong programming skills and proficiency in Python and AI frameworks. • Optimize AI Solutions: Utilize... 
    Python
    Worldwide

    IBM

    Alexandria, VA
    1 day ago

  • GEOINT ML/NLP Data Scientist - Innovation Focus

    A leading technology firm is seeking a GEOINT Innovation Data Scientist in Alexandria, VA. This role involves transforming geospatial data using Python, machine learning, and NLP to improve national-level mission outcomes. The ideal candidate has 5-7 years of experience... 
    Python

    Leidos

    Alexandria, VA
    3 days ago

  • Full Stack Data Scientist

     ...edge innovations - think AI, automation and data transformation. We then bring those...  ...highly skilled and innovative Full Stack Data Scientist to join our dynamic team. The ideal...  ...Proficiency in programming languages such as Python, R, and SQL for data manipulation and analysis... 
    Python
    Local area
    Remote work

    rockITdata

    Arlington, VA
    2 days ago

  • Data Scientist, Mid

    $77.6k - $176k

     ...Job Number: R0235190 Data Scientist, Mid The Opportunity: As a data scientist, you're excited at the prospect of unlocking the secrets...  ...Experience in the development of algorithms leveraging R, Python, or SQL and NoSQL Experience with distributed data and computing... 
    Python
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Arlington, VA
    2 days ago

  • Data Scientist

     ...Data Scientist General Information Requisition # 674 Locations USA-VA-Arlington Posting Date 03/04/2026 Security Clearance...  ...to: Prior programming experience, preferably in Python or R, including data exploration, feature engineering, model development... 
    Python
    Full time
    Work at office
    Local area
    Remote work

    Elder Research

    Arlington, VA
    4 days ago

  • Data Scientist: Enterprise Analytics for National Security

    Leidos is hiring a Journeyman Data Scientist in Alexandria, Virginia, to enhance and support enterprise data analytics across the Department...  ...substantial experience in data science, including skills in Python, R, and data visualization tools. A Secret clearance is required... 
    Python

    Leidos

    Alexandria, VA
    3 days ago

  • SME III Data Scientist

     ...a Koniag Government Services company , is seeking a SME III Data Scientist with a TS/SCI security clearance to support KMS and our government...  ...proficiency in data science programming languages such as Python and/or /Strong experience with data querying languages (e.g.,... 
    Python
    Work experience placement
    Local area
    Flexible hours

    Koniag

    Arlington, VA
    2 days ago

  • Data Scientist

    $77.5k - $176k

     ...Job Number: R0239093 Data Scientist The Opportunity : As a data scientist, you're excited at the prospect of unlocking the secrets...  ...and unstructured data ~2+ years of experience working with Python, including leveraging several different libraries, such as... 
    Python
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Arlington, VA
    2 days ago

  • Data Scientist - NLP / Generative AI

     ...Job Description Data Scientist - NLP / Generative AI Location: Hybrid - Arlington, Virginia Employment Type: Full-time BizFirst...  ...), and semantic search systems. Programming: Strong Python skills; proficiency with HuggingFace Transformers, LangChain,... 
    Python
    Permanent employment
    Full time
    Monday to Friday
    Flexible hours

    Biz First

    Alexandria, VA
    2 days ago

  • Data Scientist III

     ...Title: Data Scientist III Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering...  ...oriented programming languages and other coding environments (e.g., Python, Java, C++, C#, R, MATLAB, and Simulink) Eight (8) years of... 
    Python
    Temporary work
    Local area
    Relocation package

    KBR

    Arlington, VA
    2 days ago

  • Applied Data Scientist

    $99k - $225k

     ...Job Number: R0239173 Applied Data Scientist The Opportunity: As a data scientist, you're excited about building intelligent systems...  ...deployment ~ Experience writing production-quality code in Python or similar languages ~ Experience working with structured... 
    Python
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Arlington, VA
    2 days ago

  • Principal Data Scientist, WWPS ProServe

    $189.4k - $256.2k

     ...Professional Services (ProServe) team seeks an experienced Principal Data Scientist to join our ProServe Shared Delivery Team (SDT). In this role,...  ...for business application experience - Deep expertise in Python and relevant ML frameworks (TensorFlow, PyTorch, Hugging Face,... 
    Python
    Flexible hours

    Amazon

    Arlington, VA
    2 days ago

  • Data Scientist, Senior

    $99k - $225k

     ...Data Scientist, Senior The Opportunity: As a data scientist, you're excited at the prospect of unlocking the secrets held by a data...  ...of experience using data science programming languages such as Python or R ~ Experience creating ETL pipelines, including querying... 
    Python
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    BOOZ, ALLEN & HAMILTON, INC.

    Arlington, VA
    4 days ago

  • Data Scientist

     ...Position Title: Data Scientist Location: Remote (In the U.S) Other Considerations:U.S. Citizen or Permanent Resident (Required)...  ...and merging of disparate data sources, preferably through R, Python, or SQ. RESPONSIBILITIES Conduct data analytics, data... 
    Python
    Permanent employment
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Monday to Friday
    Flexible hours

    SprezzMC

    Arlington, VA
    2 days ago

  • Data Engineer

     ...Job Description: Ability to easily move between business, data management, and technical teams; ability to quickly intuit the business...  ...a strong focus on data quality High proficiency in using Python or Scala, Spark, Hadoop platforms & tools (Hive, Airflow, NiFi,... 
    Python

    Diverse Lynx

    Arlington, VA
    2 days ago

  • Senior Data Scientist - AI/ML, Dashboards & TS/SCI

    $99k - $225k

    A leading technology firm is seeking a Senior Data Scientist in Alexandria, VA. The role involves using data science to unlock insights from...  ...should have over 5 years of experience, proficiency in Python and SQL, and a strong ability to communicate findings. Employees... 
    Python

    Booz Allen Hamilton

    Alexandria, VA
    6 days ago