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  • 2027 Summer Intern, Data Scientist (Reston, VA; Denver, CO; Remote)

    $45.81k - $94.22k

     ...We’re currently hiring a Data Scientist Intern to join our team in Summer 2027. This is an entry-level, 10-week, full-time internship expected...  ...science or similar discipline ~ Proficiency in R and/or Python or statistical modeling, data manipulation, and visualization... 
    Python
    Full time
    Contract work
    Work experience placement
    Summer work
    Internship
    Summer internship
    Currently hiring
    Remote work
    Relocation package

    ICF

    Reston, VA
    16 hours ago

  • Data Scientist Principal to work in Reston, VA

    DescriptionData Scientist Principal to work in Reston, VA.Responsibilities and Duties:Conduct exploratory data analysis. Maintain predictive analytical models utilizing a variety...  ...methods in the data science pipeline. Utilize Python and Databricks to provide support for data... 
    Python
    Work from home

    Science Applications International Corporation

    Reston, VA
    a month ago

  • Security Data Engineer

     ...MANTECH seeks a motivated, career and customer-oriented Security Data Engineer to join our team in Herndon, VA . in this role you...  ...~5+ years' experience building production data pipelines with Python ~ Experience consuming REST or similar APIs at scale ~ Experience... 
    Python

    MANTECH

    Herndon, VA
    12 hours ago

  • Data Scientist - Sr. (Automation and Artificial Intelligence)

    OverviewThe Senior Data Scientist for Automation and Artificial Intelligence develops and evaluates AI and machine-learning capabilities that...  ...analytics, or a related technical field.Proficiency using Python, R, or comparable analytical languages and common data-science... 
    Python
    For contractors

    Bluehawk

    Reston, VA
    5 days ago

  • Senior Data Engineer

    $150k - $175k

     ...Description Job Description Dark Wolf is looking for a Senior Data Engineer to join our team in Herndon, VA supporting the Defense...  .... They will utilize leading languages and frameworks, including Python (FastAPI), AWS, SQL (Trino SQL), and Rancher Kubernetes, to... 
    Python
    Full time
    For contractors
    Remote work

    Dark Wolf Solutions

    Herndon, VA
    26 days ago

  • Data Scientist - Tech focus - Top Secret required to apply - DC area

     ...Job Description Job Description Conducts data analytics, data engineering, data mining, exploratory analysis, predictive analysis...  ...BI) and Tableau; major data science languages, such as R and Python; managing and merging of disparate data sources, preferably... 
    Python
    For contractors
    Work at office

    Bow Wave LLC

    Reston, VA
    13 days ago

  • Data Scientist With TS SCI & VA Customer Favorable Poly Clearance

     ...Description Demonstrated experience with data engineering, to include designing and...  ...Demonstrated work experience programming with Python Demonstrated experience building...  ...complex technical issues to more junior data scientists, in graphical, verbal, or written formats... 
    Python
    Work experience placement
    Local area

    Agile Business Concepts, LLC

    Reston, VA
    a month ago

  • Data Scientist

    $190k - $220k

     ...CI with Polygraph (required) Red Arch Solutions is seeking a Data Scientist who will use AI algorithms, statical analysis and other data...  ...learning principles, data fusion, and data science tools (Tableau, Python, R, pandas, Jupyter Notebooks etc.) Demonstrated experience... 
    Python
    Full time
    Contract work
    For contractors
    Work experience placement
    Local area

    Red Arch Solutions

    Reston, VA
    19 days ago

  • Data Scientist

     ...accelerate the timely, reliable, and secure delivery of open source data, information, and insights. The Customer requires developer...  ...QualificationsRequired Skills:• Demonstrated experience with Linux, Python, and cloud CLIs to interact and data in storage and transit •... 
    Python

    Science Applications International Corporation

    Reston, VA
    a month ago

  • Sr Data Scientist

     ...to be a part of the Xenith Solutions family. Overview:  The Data Scientist applies statistical analysis, data processing, and...  ...key performance indicators. Using programming languages like Python, R, and SQL, they develop data models, optimize queries, and create... 
    Python
    Full time
    For contractors
    Local area

    Xenith Solutions

    Reston, VA
    12 days ago

  • Data Scientist (TS/SCI)

     ...accurate, scalable, and mission-tailored data solutions that enable timely and informed...  ...processing, and analysis workflows using Python, SQL, and ETL tools under established best...  ...workflows. Collaborate closely with data scientists, engineers, analysts, and mission... 
    Python
    Full time

    Maxar Technologies

    Herndon, VA
    a month ago

  • Data Scientist

     ...Additional details are available on our website: Position Title : Data Scientist Location : Herndon, VA Clearance: Secret OneZero...  ...decision-making. Demonstrated ability programming in Python, R, and/or Scala. ~ Active Secret (or higher) clearance. Interim... 
    Python
    Full time
    Interim role
    Work at office

    OneZero Solutions

    Herndon, VA
    13 days ago

  • Data Scientist - Polygraph Required

    $114k - $221.9k

     ...Work by the Washington Business Journal. BTI360 is seeking a Data Scientist who is passionate about transforming raw data into meaningful...  ...may excel in this role if you have the following skills:Strong Python programming skillsExperience integrating ML models into production... 
    Python
    Full time
    Immediate start
    Remote work

    BTI360

    Herndon, VA
    a month ago

  • Senior Data Scientist - Operational Analytics

    $104k - $166k

    ResponsibilitiesPeraton Labs is seeking a Data Scientist to support the BNATCS CTO Advanced Analytics and Digital Command Center teams by transforming...  ...business datasets to support decision-makingProficiency with Python, R, SQL, or similar analytical tools, with the ability to... 
    Python
    Contract work
    Shift work

    Peraton Corporation

    Herndon, VA
    a month ago

  • Mid-level Data Scientist (OBI Advanced Analytic Method Augmentation) - OBIQUA

    Celestar Corporation is seeking a Mid-level Data Scientist (OBI Advanced Analytic Method Augmentation) to support The Defense Intelligence...  ...Power BI) and Tableau; major data science languages, such as Rand Python; managing and merging of disparate data sources, preferably... 
    Python
    Contract work
    Work at office
    Local area

    Celestar

    Reston, VA
    a month ago

  • Principal AL/ML Data Scientist - AI, Vector Search & Agentic AI Platforms

     ...a highly experienced, senior-level AI/ML Data Engineer to lead the design and implementation...  ...Integration : Partner with Data Scientists, Machine Learning Engineers, Architects,...  ...Technical Expertise Expert proficiency in Python, SQL, and modern software engineering... 
    Python
    Full time
    Contract work
    Work experience placement
    Local area

    Red Arch Solutions

    Reston, VA
    12 days ago

  • Data Scientist, Mid

    $77.6k - $176k

     ...Data Scientist, Mid The Opportunity: As a data scientist, you're excited at the prospect of unlocking the secrets held by a data set...  ...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.

    Reston, VA
    12 hours ago

  • Data Scientist

    $99k - $225k

     ...Data Scientist The Opportunity: Design and implement effective AI solution architecture utilizing approaches of various AI technologies...  ...~ Experience with a programming language, including Python, C#, or Java ~ Ability to create solutions within a collaborative... 
    Python
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    BOOZ, ALLEN & HAMILTON, INC.

    Reston, VA
    1 day ago

  • Jr. Data Engineer

    $180k - $230k

     ...Overview We are seeking a Data Engineer in Herndon, VA. The Data Engineer is responsible for making data available, accessible,...  ...Active TS/SCI With Poly Required. ~5 years Experience coding in Python. ~ Solid understanding and experience with Database... 
    Python
    Work experience placement

    Vosper Thornycroft Group

    Herndon, VA
    12 hours ago

  • Data Scientist

    $76k - $134k

    08-Apr-2026 Sr Data Engineer US (Remote) 10786BR Company Summary As the recognized global standard for project-based businesses, Deltek...  ...GCP (BigQuery, Dataflow, GCS). Expertise in SQL; proficiency in Python or Scala; experience with Spark for distributed data processing.... 
    Python
    Temporary work
    Remote work

    Deltek

    Herndon, VA
    1 day ago

  • Senior Data Engineer

    $170k

     ...Senior Data EngineerReston, VA (onsite) Pay From: $170,000 per yearMUST: Active Top Secret...  ...with AWS, Azure, or GCP Experience with Python, Java, or Scala Experience securing data...  ...Work with engineers, architects, data scientists, analysts, and government customers Support... 
    Python

    Quadrant

    Reston, VA
    5 days ago

  • Data Engineer

     ...Consulting Inc. is seeking a highly skilled Data Engineer to design, build, and maintain...  ...& Integration Work closely with data scientists, software engineers, and mission...  ...Lambda, EMR) Proficiency in SQL and Python for data processing and transformation... 
    Python

    KDA Consulting Inc

    Herndon, VA
    a month ago

  • Senior Data Engineer / AI ML Engineer with Python, AI/ML & LLMs

     ...candidate to join our talented Team. Job Title: Senior Data Engineer / AI ML Engineer with Python, AI/ML & LLMs. Location: Reston, VA ( Hybrid ) Job...  ...production systems.You will work closely with data scientists, ML engineers, and software developers to design and implement... 
    Python

    Ampcus

    Reston, VA
    a month ago

  • Big Data Engineer

    $51.4 - $66.71 per hour

     ...~ Bachelor’s degree in Computer Science, Data Engineering, or related field. ~3–5+ years...  ..., Spark, Kafka. ~ Strong skills in Python, SQL, and data modeling techniques....  ...unstructured data. Work closely with data scientists, analysts, and business SMEs to deliver actionable... 
    Python

    Cynet Systems

    Reston, VA
    4 days ago

  • Data Scientist (Data Analytics Officer) - Sr.

    OverviewThe Senior Data Analytics Officer develops standardized performance-evaluation methods and analytical products that turn executor...  ...one or more analytical platforms such as Tableau, Power BI, R, Python, or statistical software.Experience developing metrics, KPIs,... 
    Python
    For contractors

    Bluehawk

    Reston, VA
    5 days ago

  • Data Engineer, TS/SCI

    $180k - $220k

     ...Description Job Description Job Description S eeking a Lead Data Engineer / Mission Data Pipeline to serve as a Subject Matter...  .... Experience implementing data transformation logic using Python and data processing libraries such as Pandas and NumPy. Certification... 
    Python

    Blue Sky Innovators

    Reston, VA
    26 days ago

  • Senior Data Engineer

     ...Senior Data Engineer We are looking for a Senior Data Engineer with a strong foundation...  ...Develop robust ETL/ELT processes using SQL, Python, and PySpark with strong error handling,...  .... Partner with analysts and data scientists to deliver trusted, production-grade data... 
    Python

    ICF International Inc

    Reston, VA
    1 day ago

  • Senior Data Engineer

     ...from Ageatia Global Solutions... We are looking for a Senior Data Engineer @ Reston, VA for the below mentioned job description....  ...understanding of at least one programming language (i.e., SQL, NoSQL, Python)., Expert Knowledge and understanding of database design... 
    Python
    Work experience placement
    Remote work

    Ageatia Global Solutions

    Reston, VA
    17 hours ago

  • Data Engineer

     ...Data Engineer Herndon, VA Herndon, VA Top Secret/SCI CI Polygraph Career Level not...  ...and reliability. Collaborate with data scientists, analysts, and other stakeholders to understand...  ...poly required to start ~5+ years with Python (Pandas, NumPy, data visualization tools)... 
    Python

    B/CORE

    Herndon, VA
    4 days ago

  • Data Engineer

     ...and Capital One, SZNS differentiates itself particularly in AI, data engineering, blockchain, and cloud-native software application development...  ...~ Proficiency in SQL and strong programming skills in Python, Rust, or Java ~ Experience building and maintaining data... 
    Python
    Work at office

    SZNS Solutions LLC

    Reston, VA
    a month ago