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Freelance Data Scientist Machine Learning Jobs in Reston, VA

Cmu

Senior Data Scientist

Arlington, VA · On-site

Data Scientists at the SEI use advanced statistics, data analytics, machine learning, and artificial intelligence to help our government and industry clients research and solve cybersecurity ...

RIVIDIUM

Data Scientist- Senior

Quantico, VA

The ideal candidate will possess deep expertise in statistical modeling, machine learning, and big ... The Senior Data Scientist will lead end-to-end data science initiatives?from data collection and ...

VTG

Data Scientist with Security Clearance

Chantilly, VA · On-site

$165K - $210K/yr

A Data Scientist represents an effective arbiter of strong technical knowledge and clear ... May use machine learning and statistical approaches based on the analysis of the dataset. May ...

Voto Consulting LLC

Data Scientist

Arlington, VA · On-site

Develop & maintain data analytics solutions and machine learning algorithms. Mentor junior data scientists, further develop the data science lifecycle and best practices, and contribute to strategic ...

VTG

Data Scientist

Mclean, VA · On-site

Develop, train, and validate machine learning and statistical models * Design and implement ... Stay current with emerging data science techniques, tools, and technologies Do you have what it ...

VTG

Data Scientist

Chantilly, VA

Develop, train, and validate machine learning and statistical models * Design and implement ... Stay current with emerging data science techniques, tools, and technologies Do you have what it ...

VTG

Data Scientist

Herndon, VA

Develop, train, and validate machine learning and statistical models * Design and implement ... Stay current with emerging data science techniques, tools, and technologies Do you have what it ...

VTG

Data Scientist

Chantilly, VA · On-site

Develop, train, and validate machine learning and statistical models * Design and implement ... Stay current with emerging data science techniques, tools, and technologies Do you have what it ...

VTG

Data Scientist

Chantilly, VA · On-site

Develop, train, and validate machine learning and statistical models * Design and implement ... Stay current with emerging data science techniques, tools, and technologies Do you have what it ...

Cvent

Senior Data Scientist

Tysons, VA · On-site

As a Data Scientist, you will work at the intersection of data science, machine learning, LLMs ... Use statistics and machine learning to analyze data, evaluate systems, and guide decision-making.

System One

Data Scientist

Mclean, VA · Remote

Data Scientist Location: McLean, VA Type: Contract To Hire Compensation: Not specified Work Model ... Design and develop machine learning models and analytical approaches to support search, discovery ...

System One

Data Scientist

Mclean, VA · Remote

Data Scientist Location: McLean, VA Type: Contract To Hire Compensation: Not specified Work Model ... Design and develop machine learning models and analytical approaches to support search, discovery ...

System One

Data Scientist

Mclean, VA · Remote

Data Scientist Location: McLean, VA Type: Contract To Hire Compensation: Not specified Work Model ... Design and develop machine learning models and analytical approaches to support search, discovery ...

System One

Data Scientist

Mclean, VA · Remote

Data Scientist Location: McLean, VA Type: Contract To Hire Compensation: Not specified Work Model ... Design and develop machine learning models and analytical approaches to support search, discovery ...

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All JobsData Scientist Machine Learning JobsFreelance Data Scientist Machine Learning JobsFreelance Data Scientist Machine Learning Jobs in Reston, VA

Freelance Data Scientist Machine Learning information

See Reston, VA salary details

$39K

$127.7K

$204.4K

How much do freelance data scientist machine learning jobs pay per year?

As of Aug 17, 2026, the average yearly pay for freelance data scientist machine learning in Reston, VA is $127,692.00, according to ZipRecruiter salary data. Most workers in this role earn between $102,500.00 and $141,500.00 per year, depending on experience, location, and employer.

What is the difference between Freelance Data Scientist Machine Learning vs Freelance Data Analyst?

AspectFreelance Data Scientist Machine LearningFreelance Data Analyst
Required SkillsAdvanced statistical analysis, machine learning, programming (Python, R)Data cleaning, visualization, basic statistical analysis
Tools & TechnologiesTensorFlow, scikit-learn, Jupyter, cloud platformsExcel, Tableau, SQL
Work EnvironmentProject-based, consulting, remote or client sitesRemote, freelance consulting, client reports
Industry UsageTech, finance, healthcare, e-commerceMarketing, retail, finance, healthcare

Freelance Data Scientist Machine Learning professionals focus on developing predictive models and algorithms using advanced techniques, often requiring programming and statistical expertise. Freelance Data Analysts handle data interpretation, visualization, and reporting, typically with less technical complexity. Both roles are in high demand but differ in skill level, tools, and project scope.

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Freelance Data Scientist Machine Learning jobs near you

Senior Data Scientist

Cmu

Arlington, VA • On-site

Full-time

Re-posted yesterday

Job description

What We Do:

Data Scientists at the SEI use advanced statistics, data analytics, machine learning, and artificial intelligence to help our government and industry clients research and solve cybersecurity challenges. In this role, you will work with our customers to identify areas where advanced statistical techniques can help tackle problems, plan and develop prototype solutions, and build out final products. You'll get a chance to work with elite cybersecurity professionals and university faculty to build new technologies that will influence national cybersecurity strategy for decades to come. You will co-author research proposals, execute studies, and present findings to DoW sponsors and at academic conferences.
Our team works on a wide range of projects. Our current work includes research in generative AI and large language models, computer vision, multimodal AI, agentic AI, and assurance of AI systems. Additionally, we craft metrics and experimental designs for large-scale cybersecurity research programs, develop human-in-the-loop machine learning solutions, and build classifiers to identify security vulnerabilities. If you are a data science or statistics expert with an interest in cybersecurity, we want to hear from you!
Requirements:

  • BS in data science, machine learning, computer science, statistics, or related highly-quantitative discipline with ten (10) years of experience or equivalent combination of training or experience; or MS in data science, machine learning, computer science, statistics, or related highly-quantitative discipline with eight (8) years of experience; or PhD in data science, machine learning, computer science, statistics, or related highly-quantitative discipline with five (5) years of experience.

  • Willingness to complete modest travel to various locations to support the SEI's overall mission.

  • You will be subject to a background check and must be able obtain and maintain a U.S. Department of War security clearance.

Knowledge, Skills and Abilities:

  • Experience in predictive modeling, data science, and/or AI & machine learning

  • Deep understanding of statistical modeling techniques and advanced data analytics

  • Proficient with at least one mathematical/statistical programming package (e.g., R, python numpy/scipy/pandas/polars, MATLAB, etc.)

  • Innovative and inquisitive with ability to imagine novel analytical solutions to problems Thrives in a multi-disciplinary environment

  • Strong communication skills

  • Expertise in one or more of the following:

  • Recommendation systems

  • Time-series forecasting (Prophet, NeuralProphet, Chronos, Lag-Llama, etc.)

  • NLP / LLMs (fine-tuning, RAG, evaluation, prompt engineering)

  • Causal inference / uplift modeling / synthetic controls

  • Modern ML frameworks: LightGBM/XGBoost, CatBoost, PyTorch,JAX, TensorFlow)

  • LLMs / agentic workflows (LangChain/LlamaIndex/Haystack)

  • Experience deploying models (FastAPI, Triton, KServe, SageMaker, Vertex AI, or similar)

  • Experience working with big data (Spark, Trino, Snowflake, BigQuery, Databricks)

Desired Experience:

  • Experience in cybersecurity and privacy is a plus is a plus

  • Experience in U.S. Government work and/or with FFRDCs, UARCs an National Labs is a plus

  • Demonstrated ability to learn new concepts and grow into new areas of work

Location

Arlington, VA, Pittsburgh, PA

Job Function

Software/Applications Development/Engineering

Position Type

Staff - Regular

Full time/Part time

Full time

Pay Basis

SalaryMore Information:

  • Please visit "Why Carnegie Mellon" to learn more about becoming part of an institution inspiring innovations that change the world.

  • Click here to view a listing of employee benefits

  • Carnegie Mellon University is an Equal Opportunity Employer/Disability/Veteran.

  • Statement of Assurance

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About CMU

Sourced by ZipRecruiter

Industry

Offices of mental health practitioners

Company size

201 - 500 Employees

Headquarters location

Harrisburg, PA, US

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