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  • $190k - $210k

     ...FSP) Position Type: Full-Time, On-Site We are seeking a Data Scientist to support a mission-critical Sponsor office that collaborates...  ...Prep or other data preparation tools Familiarity with Python and SQL for data transformation and analysis Experience... 
    Python
    Full time
    Work at office

    TOMORROW HIRE

    Chantilly, Loudoun County, VA
    a month ago
  •  ...Job Description Job Description Data Scientist SME Department: Govt Customer-Chantilly Location: Chantilly, VA TENICA is...  ...Demonstrated experience with scripting languages such as Bash, Python. Demonstrated experience with PowerShell for task... 
    Python

    Tenica and Associates LLC

    Chantilly, Loudoun County, VA
    28 days ago
  •  .../SCI with FS Polygraph required Position Seeking a Data Scientist to support an Intelligence Client. What You'll Do...  ...degree) Proficiency with open-source programming languages (e.g. Python, R, SQL) and machine learning toolkits (e.g. pytorch, numpy, polars... 
    Python
    Temporary work
    Flexible hours

    Apogee Integration LLC

    Chantilly, Loudoun County, VA
    10 days ago
  •  ...Polygraph (REQUIRED) Are you passionate about harnessing data to solve some of the nation’s most critical challenges? Do you thrive...  ...practices to build resilient full-stack solutions with Python , Java , or Scala Required Skills Experience building... 
    Python

    Equilibrium Technologies LLC

    Chantilly, Loudoun County, VA
    10 days ago
  •  ...Description Are you ready to turn complex data into powerful mission insight? NS2...  ...source data formats and collaborate with Data Scientists and partners to identify optimal transformations...  ...solutions ~ Programming with Python, SQL, Spark, and related languages ~ Leveraging... 
    Python
    Local area
    Flexible hours

    NS2 Mission

    Chantilly, Loudoun County, VA
    27 days ago
  • $235k - $255k

     ...We are seeking a highly skilled Senior Data Engineer to support the design, development...  ...objectives. Collaborate with data scientists and mission partners to understand source...  ...premise data solutions Proficiency in Python, SQL, Spark, and modern data engineering... 
    Python
    Full time
    Contract work
    Temporary work
    Local area

    TOMORROW HIRE

    Chantilly, Loudoun County, VA
    16 days ago
  •  ...Job Description Job Description Data Engineer  Employment Type: Full-Time, Mid-level Department: Business Intelligence...  ...performing test and validation steps. -Proficiency to manipulate data (Python, R, SQL, SAS). -Strong knowledge of big data analysis and... 
    Python
    Full time
    Flexible hours

    Contact Government Services, LLC

    Chantilly, Loudoun County, VA
    13 days ago
  • Overview: SOSi is seeking a Data Scientist supporting a government customer in Chantilly, VA and a familiarity with our Sponsor’s environment...  ...a background in AI/ML model development, have experience in Python programming, handling SQL databases, and comfortable working... 
    Python
    Full time
    Work at office

    SOS International LLC

    Chantilly, Loudoun County, VA
    12 days ago
  •  ...Description Data Scientist, Senior - TS/SCI CI poly Department : Govt Customer-Chantilly Location : Chantilly, VA TENICA is...  ...analytics, leveraging languages and programs such as Databricks, Python, and Jupyter Notebook. Make presentations and reports at the... 
    Python
    Full time
    Remote work

    Tenica

    Chantilly, Loudoun County, VA
    15 hours ago
  •  ...Data Scientist Chantilly, VA. · Demonstrated experience in two or more of the following disciplines: business analytics, statistics...  ...manipulating, and combining data using a programming language such as Python. · Demonstrated experience using a data preparation tool... 
    Python
    Full time

    Leading Path Consulting

    Chantilly, Loudoun County, VA
    more than 2 months ago
  • View Job Data Scientist Full Time Chantilly VA 20151 USA Posted 10/24/2025 Job Descriptionback to top Are you looking to be a...  ...exploitation. ~Create or improve custom collection scripts written in Python. ~Create or improve scripts leveraging APIs for collection... 
    Python
    Full time
    Local area

    NS2 Mission

    Chantilly, Loudoun County, VA
    4 days ago
  • $103.8k - $218.1k

    Overview Data Scientist position within the Data & Analytics team. The ideal candidate has a strong background in statistics, machine learning...  ..., integration, performance optimization) Proficiency in Python, R, SQL, and other relevant programming languages Experience... 
    Python
    Contract work
    Work experience placement
    Flexible hours

    CACI International Inc.

    Chantilly, Loudoun County, VA
    3 days ago
  •  ...Cyber Data Science Engineer Program Description: The program provides Systems Engineering and Technical Assistance (SETA) core...  ...SageMaker) Ability to code in multiple languages, including Python Knowledge of databases, data structures, and data architectures... 
    Python
    Full time
    Contract work
    Flexible hours

    Analytic Solutions Group

    Chantilly, Loudoun County, VA
    more than 2 months ago
  • View Job Machine Learning Engineer/Data Scientist Full Time Chantilly VA 20151 USA Posted 10/24/2025 Job Descriptionback to top...  ...edge technologies in Chantilly, Virginia.   Skill-sets: Python, Databricks, LLM (Large Language Model) (/NLP (Natural Language... 
    Python
    Full time

    Avid Technology Professionals, LLC

    Chantilly, Loudoun County, VA
    5 days ago
  •  ...new tools, code, and services to execute data engineering activities involving data of...  ...Analyze source data formats and work with Data Scientists and partners to determine the formats and...  ...storage and processing solutions ~ Python, SQL, Spark and other data engineering... 
    Python
    Local area

    NewGen Technologies

    Chantilly, Loudoun County, VA
    more than 2 months ago
  •  ...Job Description Job Description Telecoms Data Scientist We are seeking a qualified Telecoms Data Scientist to play a crucial role in...  ...modeling, and machine learning techniques, with proficiency in Python, R, or other programming languages. Experience working with... 
    Python
    Work at office

    DGS

    McLean, VA
    17 days ago
  •  ...system, and other analytical applications to collect and analyze data on the Sponsor’s business operations. The Sponsor’s goal is to...  ...Demonstrated experience developing software. 3. Demonstrated experience in Python development. 4. Demonstrated experience in integrating new... 
    Python
    Full time
    For contractors
    Work at office

    Leading Path Consulting

    Chantilly, Loudoun County, VA
    more than 2 months ago
  •  ...country from threats. Job Description DATA ENGINEER SR PRINCIPAL The Data...  ...in this role will work closely with Data Scientists, providing comprehensive support and ensuring...  ...Experience with the following languages: Python, NodeJS  ~ Hands on experience working... 
    Python

    General Dynamics Information Technology

    Chantilly, Loudoun County, VA
    14 days ago
  •  ...We are seeking a Senior Data Engineer to lead the development and optimization...  ...coding best practices Work with Data Scientists, analysts, and mission partners to align...  ...architecture ~ Strong coding skills in Python, SQL, Spark, and other data engineering tools... 
    Python
    Full time
    Local area
    Flexible hours

    M1 Technology

    Chantilly, Loudoun County, VA
    15 hours ago
  •  ...Job Description We're looking for an experienced Senior Data Scientist to join our team at Knexus. This is a fully remote position for...  ...Technical Skills : Proficiency in programming languages like Python or R is essential. You should also be familiar with data management... 
    Python
    Remote work

    Knexus

    Vienna, VA
    24 days ago
  •  ...MANTECH seeks a motivated, career and customer-oriented Senior Data Engineer to join our team in Chantilly, VA. Unlock the secrets of...  ...customer requirements. CySA+ Certification Preferred Experience with Python, SQL, and other applicable development/coding languages.... 
    Python
    Work at office
    Local area

    ManTech International Corporation

    Chantilly, Loudoun County, VA
    3 days ago
  •  ...Job Description Job Description Data Scientist - TS/SCI Cleared Location: Springfield, VA Required Clearance: Top Secret/SCI Security...  ...with the ability to write / maintain scripts, including Python and JAVA scripts and familiarity of querying with SQL. ~ Advanced... 
    Python
    Remote work

    Wiser

    Springfield, VA
    23 days ago
  •  .... Our client is seeking a motivated and talented mid-level Data Scientist (3-7 years of experience) to join their growing Digital data science...  ...specific business challenges Write efficient code in Python and SQL to manipulate and analyze data Design, develop, and... 
    Python
    Local area
    Remote work

    CC Pace Systems, Inc.

    Vienna, VA
    22 days ago
  • $187k - $253k

     ...Other Required: None Job Family: Data Science and Data Engineering Job...  ...in this role will work closely with Data Scientists, providing comprehensive support and ensuring...  ...Experience with the following languages: Python, NodeJS ~ Hands on experience working... 
    Python
    Full time
    Temporary work
    Part time
    Immediate start
    Remote work
    Worldwide
    Flexible hours

    GDIT

    Chantilly, Loudoun County, VA
    a month ago
  • $126k - $147k

     ...Job Description Job Description Sr. Data Engineer – Defense Search OVERVIEW Are you looking for a new career opportunity...  ...Ansible ~ Experience with scripting and programming with Go, Python, and/or Bash ~ Comfortable with data pipeline tools and... 
    Python
    Contract work
    Immediate start

    Defense Search

    Tysons Corner, VA
    2 days ago
  • $200k - $220k

     ...Type: Full-Time, On-Site We are seeking a highly skilled Data Engineer (SME) to support a mission-critical Sponsor program. The...  ...modeling and analytics efforts. Strong proficiency with Python, Terraform, and AWS is required, along with a background in DevSecOps... 
    Python
    Full time

    TOMORROW HIRE

    McLean, VA
    29 days ago
  •  ...responsible for designing and implementing data-driven solutions for our clients, with a...  ...: Strategizing with clients, data scientists, engineers, and other members of cross-functional...  ...developing data-driven solutions using Python, Scala, or similar languages.... 
    Python
    Visa sponsorship
    Work visa

    CapTech Consulting

    Reston, VA
    8 days ago
  •  ...Description About the Role We’re looking for a Generative AI Data Scientist to design, train, and optimize AI models that power next-...  ...exposure to generative or transformer-based models. ~ Strong Python skills (PyTorch, TensorFlow, Hugging Face, LangChain, etc.).... 
    Python
    Flexible hours

    Technology Company

    Fairfax, VA
    14 days ago
  •  ...relationships and careers. Job Description: In your role as data engineer, you will be assigned to an agile scrum team that...  ...least one scripting language desirable (PowerShell, Shell, PERL, Python). Expertise in the Design and Deployment of various components... 
    Python
    Contract work

    Connect Talent Solutions

    Springfield, VA
    a month ago
  • * Partner with a cross-functional team of data scientists, software engineers, and product managers to deliver a product customers love* Leverage a broad stack of technologies Python, Conda, AWS, H2O, Spark, and more to reveal the insights hidden within huge volumes of... 
    Python
    Full time
    Part time
    Flexible hours

    Capital One

    McLean, VA
    21 days ago