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  • Data Engineer

     ...motivated, career and customer-oriented Data Engineer to join our team in Chantilly,...  ...Layer documentation while working with data scientists to craft pipelines for AI/ML workflows....  ...programming language experience such as Python or Java. Significant experience with SQL... 
    Python
    Full time
    Work at office

    MANTECH

    Chantilly, Fairfax County, VA
    12 hours ago

  • Senior Geospatial Data Scientist

     ...delivers intelligence analysis, advanced data science, and strategic decision support.Bcore...  ...missions as a Senior Geospatial Data Scientist in Reston, VA and remote....  ...to start Expert level understanding of Python, including geospatial libraries like Fiona... 
    Python
    Remote work

    GeoYeti

    Reston, VA
    2 days ago

  • Data Scientist (TS/SCI with Full Scope Polygraph)

     ...Position Description: We are seeking a Data Scientist with a TS/SCI Full Scope Polygraph (FSP) to support high-impact, mission-focused...  .... I/ML model development and evaluation. Python (expert-level). SQL proficiency. Comfort with command... 
    Python

    Macpower Digital Assets Edge

    Reston, VA
    1 day ago

  • Data Scientist

     ...Overview We are seeking a highly analytical and driven Data Scientist with at least 5 years of experience leveraging data to drive business...  ...field ~ Strong proficiency in programming languages such as Python or R ~ Experience with machine learning frameworks (e.g.,... 
    Python

    VTG

    Herndon, VA
    2 days ago

  • Data Scientist

     ...KDA Consulting Inc. is seeking a highly skilled Data Scientist with AI/ML expertise to support mission-critical programs within the Intelligence...  ..., and reports using tools such as Tableau, Power BI, or Python visualization libraries Communicate insights and... 
    Python

    KDA CONSULTING INC

    Herndon, VA
    2 days ago

  • Data Scientist

     ...Product, Engineering, Risk, Marketing) to identify and leverage data-driven opportunities. Ensure data integrity, security, and...  ...Statistics, Mathematics, or related field. Strong proficiency in Python, R, and SQL, with experience using data manipulation libraries (... 
    Python
    H1b

    ShiftCode Analytics

    Reston, VA
    12 hours ago

  • Data Scientist (Data Visualization) - TS/SCI w/ Poly

     ...The Sponsor provides the data related technologies and services that training providers rely on to engage with the workforce, deliver...  ...Requirements Active TS/SCI w/ FS Poly Demonstrated experience using Python and SQL Developer programming language to extract, transform,... 
    Python

    Leading Path Consulting LLC

    Herndon, VA
    6 hours agonew

  • Senior Data Scientist

    As a Senior Data Scientist at Epicor, you will be a key contributor in designing, building, and deploying highimpact ML and AI solutions that...  .... Build, train, and optimize machine learning models using Python, ML frameworks, and largescale data pipelines. Leverage... 
    Python
    Permanent employment
    Relocation

    Epicor Inc

    Herndon, VA
    4 days ago

  • People Analytics Data Scientist

    $86k - $138k

     ...People Analytics Data Scientist Job Locations US Requisition ID 2026-165220 Position Category Human Resources...  ...Proficiency in a statistical programming language (e.g., R or Python) to build, evaluate, and refine statistical and predictive... 
    Python
    Contract work
    Work experience placement
    Work at office
    Remote work
    Shift work

    Peraton

    Herndon, VA
    1 day ago

  • Data Scientist

     ...impact of our service. Position Summary ANSER is seeking a Data Scientist to advance analytic efficiency and predictive capabilities...  ..., visual, and verbal analytic products. Write and maintain Python or R scripts, use SQL, manage and merge disparate data sources... 
    Python
    Work at office

    Analytic Services Inc

    Reston, VA
    1 day ago

  • Data Scientist

     ...Job Description We are seeking a highly skilled and cleared Data Engineer to join our team in support of government projects in...  ...algorithms. The ideal candidate will have a robust background in Python and PyTorch, experience with Flask, and a solid understanding of... 
    Python
    Flexible hours

    Novul Solutions

    Reston, VA
    4 days ago

  • Data Scientist - Mid

    $113k - $188k

     ...level with an in-scope CI poly . We're hiring multiple Data Scientists to join our team. In this position you will use your expertise...  ...software development workflows. ~ Demonstrated experience with Python, R, and SQL, including programmatic access to web services,... 
    Python

    Vantor Inc.

    Reston, VA
    2 days ago

  • Senior Data Scientist

    $135k - $216k

     ...Senior Data Scientist Job Locations US-VA-Herndon Requisition ID 2026-164227 Position Category Scientific...  ...Statistics, or related technical field Deep proficiency in Python and modern ML frameworks (PyTorch, TensorFlow, HuggingFace, etc... 
    Python
    Contract work
    Shift work

    Peraton

    Herndon, VA
    2 days ago

  • Data Scientist

    $135k - $216k

     ...Data Scientist Job Locations US-VA-Herndon Requisition ID 2026-165475 Position Category Scientific, Research...  ..., query optimization, and graph reasoning. Proficiency in Python (plus R/Java as needed) for data science, graph processing,... 
    Python
    Contract work
    Shift work

    Peraton

    Herndon, VA
    2 days ago

  • Data Scientist - Junior

    $90k - $150k

     ...level with an in-scope CI poly . We're hiring multiple Data Scientists to join our team. In this position you will use your expertise...  ...a related Bachelor's degree ~ Demonstrated experience with Python, R, and SQL, including programmatic access to web services, data... 
    Python

    Vantor Inc.

    Reston, VA
    2 days ago

  • Data Engineer (TS/SCI with Full Scope Polygraph)

     ...Position Description: We are seeking a Data Engineer with a TS/SCI Full Scope...  ...role involves working closely with Data Scientists to develop scalable code, reusable data pipelines...  ...Skills: ETL tools & processes Python, PySpark, PyTorch WS SQL, APIs... 
    Python

    Macpower Digital Assets Edge

    Reston, VA
    1 day ago

  • Principal Data Scientist

    As a Principal Data Scientist at Epicor, you will be the technical leader driving advanced analytics, machine learning, and AI strategy across...  ...analytics, ML, or AI solutions. ~ Advanced proficiency in Python, including expertise in building ML/AI models at scale. ~... 
    Python
    Permanent employment
    Relocation

    Epicor Inc

    Herndon, VA
    1 day ago

  • Senior Data Scientist

    $135k - $216k

     ...Senior Data Scientist Job Locations US-VA-Herndon | US-VA-Reston Requisition ID 2025-160945 Position Category...  ...~ Utilize major data science languages, such as R and Python. ~ Perform management and merging of disparate data sources... 
    Python
    Contract work
    Work experience placement
    Work at office
    Shift work

    Peraton

    Reston, VA
    12 hours ago

  • Data Scientist

     ...Data Scientist LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship...  ...SKILLS Proficiency in data manipulation tools (e.g., Python, R) Experience with machine learning techniques Strong statistical... 
    Python
    Temporary work
    For contractors
    Immediate start
    Flexible hours

    Cymertek

    Reston, VA
    2 days 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...  ...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
    1 day 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 - Object Based Intelligence (OBI) Advanced Analytic Method Augmentation

    $104k - $166k

     ...Data Scientist - Object Based Intelligence (OBI) Advanced Analytic Method Augmentation Job Locations US-VA-Herndon | US-VA-Reston...  .... Utilize major data science languages, such as R and Python. Perform management and merging of disparate data sources,... 
    Python
    Contract work
    Work experience placement
    Work at office
    Worldwide
    Shift work

    Peraton

    Herndon, 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

    Herndon, VA
    2 days ago

  • Data Scientist

     ...Reston, Virginia Type: Contract Job #3669 Title: Data Scientist Location: Reston, Virginia *Clearance: *Active TS/...  ...languages commonly used in data science (e.g., SQL, Python, R, etc.). Ability to work in a team-oriented environment for... 
    Python
    Contract work
    Work at office
    Worldwide

    Cornerstone Defense

    Reston, VA
    2 days ago

  • Senior Data Scientist

     ...We are looking for talentedData Scientists to join our team and deliver generative and...  ..., implement, and manage machine learning data pipelines Conduct research and development...  ...embedding models Strong programming skills in Python required. Experience in java and html a... 
    Python
    Remote work
    Flexible hours

    Seekr

    Reston, VA
    1 day ago

  • Data Scientist - All Levels

    $750 per month

     ...Interclypse is seeking Data Scientists. The Interclypse difference is our emphasis on employee growth and development through continuous...  ..., Amazon Aurora) Experience with programming in R, Python, Java Experience with NoSQL databases ( e.g., MongoDB, Accumulo... 
    Python
    16 hours
    Temporary work
    Shift work

    Interclypse

    Reston, VA
    2 days ago

  • Assoc Data Scientist

    $63.5k - $111.75k

    22-Apr-2026 Associate Data Scientist US (Remote) 10866BR Company Summary As the recognized global standard for project-based...  ...analytics, or subscription business models Familiarity with Python and core ML libraries (scikit-learn, pandas, numpy) Career... 
    Python
    Temporary work
    Remote work

    Deltek

    Herndon, VA
    1 day ago

  • Sr. Data Scientist- Computer Vision, Data & Machine Learning (DML)

    $159.2k - $215.3k

     ...active Top Secret security clearance. Join a sizeable team of data scientists, research scientists, and machine learning engineers that...  ...has developed over the last several years, almost entirely in python. You would have great opportunities to learn from team... 
    Python
    Temporary work
    Work at office
    Local area
    Flexible hours
    3 days per week
    Weekday work

    Amazon

    Herndon, VA
    2 days ago

  • Sr. Data Engineer (AI/ML)

     ...Position: Sr Data Engineer (AI/ML) Location: Remote Security Clearance: DHS Suitability - contract requires U.S....  ...to Haves (not listed on the job description): Experience with Python, Redis, Elastic, Dask, Postgres, Spark, AI Experience within... 
    Python
    Contract work
    Remote work

    The Judge Group

    Reston, VA
    2 days ago

  • Data Scientist - Senior

    $107.9k - $195.05k

     ...Security Sector at Leidos currently has an opening for aSenior Data Scientist.Are you a Senior Data Scientist that likes to performcutting...  ...Proficiencyin one or more scripting languages such as R or Python. Experience working with a hybrid team of analyst, engineers... 
    Python
    Local area
    Immediate start

    Leidos

    Reston, VA
    12 hours ago