72 research machine learning jobs at 40 companies in Fairfax, VA
3mo
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Senior Research Scientist - Machine Leaning
Woburn or Boston or Arlington or Dayton or Melbourne or Carlsbad
$139k-$165k/yr OnsiteFull Time
3+ YOEBS+5 / MS+3 / PhD (or equivalent) in a scientific field; experience with PyTorch, JAX, or TensorFlow; Python and C/C++; scikit-learn, Pandas, Matplotlib; ability to obtain U.S. security clearance (U.S. citizenship).
PyTorch, JAX, TensorFlow, Python, scikit-learn, Pandas, Matplotlib, C, C++
3mo
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Research Scientist - RF Machine Learning
College Park, Maryland, United States
$135k-$216k/yr OnsiteFull Time
6+ YOESenior-level RF ML research with full-time on-site, TS/SCI w/ Poly, US citizenship, near College Park, MD; strong Python and ML framework experience.
PyTorch, TensorFlow, Keras, scikit-learn, JAX, Python, C/C++, MATLAB, GNU Radio
3w
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Machine Learning Engineer
Chantilly, Virginia, United States
OnsiteFull Time
3+ YOEActive TS/SCI+CI poly required, Bachelor's with minimum 3 years' experience, proficiency in Python and SQL, familiarity with JavaScript, containerization, REST/FastAPI, agentic AI, NLP, and prompt engineering.
Python, SQL, Javascript, Docker, Rocky Linux, Rest, FastAPI, Langchain, LangGraph, OpenAI Agents, Pydontic, UVicorn, Streamlit, AWS, Mandiant
3mo
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Research Scientist - RF Machine Learning
College Park, Maryland, United States
$135k-$216k/yr OnsiteFull Time
6+ YOE6+ years experience with a relevant degree; RF ML, RF data, Python, Linux, ML frameworks; US citizenship and TS/SCI w/ Poly.
PyTorch, TensorFlow, Keras, scikit-learn, JAX, Python, C/C++, Java, MATLAB, GNU Radio, UHD/USRP, NumPy, SciPy, Pandas, cuSignal, CUDA, MLflow, Weights & Biases, DVC
2mo
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Senior Data Scientist / AI Machine Learning Research Engineer
Sterling, Virginia, United States
$113k-$238k/yr OnsiteFull Time
7+ YOEMaster's in quantitative field +7 years experience, US citizen with active Top Secret/SCI clearance (polygraph), strong ML, statistics, Python/SQL, cloud (AWS/Azure/GCP), Spark/Airflow, TensorFlow/PyTorch/scikit-learn, and Linux experience.
AWS, Azure, GCP, Python, SQL, Spark, Airflow, TensorFlow, PyTorch, scikit-learn, Linux
1mo
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Machine Learning Engineer, Detection and Tracking
Washington, District of Columbia, United States
OnsiteFull Time
5+ YOE5+ years applied ML/computer vision experience; production experience training and deploying detection and tracking models; proficiency in Python and PyTorch; experience across full model lifecycle and optimizing models for edge deployment; U.S. citizenship and security-clearance eligibility.
YOLO, DETR, Faster R-CNN, SORT, DeepSORT, ByteTrack, TensorRT, ONNX, Python, PyTorch, Rust, C++, MLflow, Weights & Biases, CVAT, Label Studio, NVIDIA Jetson, Altra, HX-2
1mo
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Research Assistant
Washington, District of Columbia, United States
OnsiteFull Time
5+ YOEB.S. in Computer Science/Computer Engineering/Information Systems required; 5+ years in machine learning and data science (advanced degrees may offset); mastery of Python, Java, C++, C, R; experience with scikit-learn, TensorFlow, PyTorch, JSON, XML; human-subjects research and data analysis experience.
Python, Java, C++, C, R, scikit-learn, TensorFlow, PyTorch, JSON, XML
1w
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Student Research Specialist III _Non-FWS
Washington, District of Columbia, United States
$20/hr HybridPart Time
Previous research, training, or skills required; proficiency in Python, machine learning, data analysis, visualization, Git/GitHub, and reproducible workflows. Quantitative coursework or experience required.
Python, Jupyter, Google Colab, Git, GitHub, pandas, NumPy, matplotlib, plotly, scikit-learn, PyTorch, TensorFlow, Hugging Face transformers, LLM APIs, MICS, DHS
4d
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Research Analyst / Senior Research Analyst - SPRRU
Washington, District of Columbia, United States
OnsiteFull Time
Bachelor's degree in a quantitative field; strong Python and Stata skills; data visualization experience; Excel proficiency; knowledge of machine learning, macroeconomics, or financial risk assessment preferred.
Python, Stata, R, MATLAB, eViews, LaTeX, Fortran, VBA, Power BI, Tableau, Microsoft Excel, Microsoft Word, Microsoft PowerPoint
3mo
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2026 PhD Graduate - Machine Learning and Artificial Intelligence
Laurel, Maryland, United States
$105k-$245k/yr OnsiteFull Time
PhD in data science, statistics, physics, mathematics, or computer science; strong collaboration and ML math fundamentals; experience with ML libraries; eligible for Interim Secret clearance and eventual Top Secret; U.S. citizenship.
PyTorch, TensorFlow, Scikit-learn
3mo
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Senior Advisor - Artificial Intelligence and Machine Learning
Alexandria, Virginia, United States
HybridFull Time
15+ YOESenior-level AI/ML expert with 15+ years experience; CTO/ senior research experience; defense/national security applications; DoD acquisition familiarity; PhD in CS/AI/Data Science; Top Secret/SCI clearance.
AI/ML, Deep Learning, Generative AI, Reinforcement Learning, AI Assurance, Data Analysis, Policy Translation
3w
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AI Research Scientist
Bethesda or Cambridge
OnsiteFull Time
Experience developing AI models, identifying and fixing model failures, and applying curiosity to advance machine learning state of the art.
2d
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Senior Applied Research Scientist – AI Native Numerical Methods
California or New York or Pennsylvania or Massachusetts or Washington
$192k-$357k/yr RemoteFull Time
5+ YOEPhD or equivalent in a relevant technical field, 5 years of research or work experience, machine learning and scientific computing expertise, Python, GPU computing, and deep learning framework experience.
PyTorch, JAX, Python, GPU, CUDA-X, Warp, PhysicsNeMo
1mo
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Senior Autonomy Systems Research Scientist
Pittsburgh or Arlington
OnsiteFull Time
Experience leading machine learning and robotics research; programming in Python and C/C++; strong written/verbal communication; proposal writing; ability to obtain Department of War security clearance.
Python, C, C++
2d
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Operations Research Analyst
Washington, District of Columbia, United States
$122k-$187k/yr OnsiteFull Time
U.S. citizenship, bachelor's degree in a related technical field, Top Secret clearance eligibility, and mastery of engineering, mathematics, statistical analysis, modeling, simulation, AI, machine learning, or data science.
Artificial Intelligence (AI), Machine Learning, Data Science
1d
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Assistant Research Scientist (PREP0005086)
Gaithersburg, Maryland, United States
$50k-$100k/yr OnsiteFull Time
Master's or Ph.D. in engineering or computer science, or final-year student; strong Python and C++ programming; experience with AI, machine learning, simulation, synthetic data, Linux, ROS 2, version control, and CAD.
Python, C++, TensorFlow, PyTorch, NVIDIA IsaacSim, GR00T, Cosmos, Gazebo, MuJoCo, Drake, Git, GitHub, GitLab, Bitbucket, Unix, Linux, ROS 2, SolidWorks, Onshape
4w
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Language Enabled Research Specialist I (Russian)
Rosslyn, Virginia, United States
$90k-$105k/yr OnsiteFull Time
2+ YOESecret clearance required; Russian and English proficiency; 2 years relevant experience with advanced online research (or 4 years without a degree); familiarity with Boolean logic and machine translation; ability to learn new software; shift work.
2mo
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Multimedia Forensics Research Scientist and Analyst
Springfield, Virginia, United States
$78k-$176k/yr OnsiteFull Time
2+ YOE2+ years in Python/MATLAB, multimedia analysis, and machine learning; secret clearance; MS in CS/Math/Physics/Digital Forensics/Engineering.
Python, MATLAB, Machine Learning, Computer Vision, Image Processing, Signal Processing
2mo
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Senior Data Scientist / AI Machine Learning Research Engineer
Sterling, Virginia, United States
$113k-$238k/yr OnsiteFull Time
7+ YOEMaster’s degree in quantitative field with 7+ years of experience; strong ML/statistics background; Linux familiarity; US citizen with ability to obtain/maintain security clearance; Top Secret/SCI clearance.
Python, SQL, Spark, Airflow, TensorFlow, PyTorch, scikit-learn, Linux, AWS, Azure, GCP, Docker, Kubernetes, CI/CD
1mo
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Postdoctoral Fellows - Computational Biology & Machine Learning
Bethesda, Maryland, United States
$53k-$78k/yr OnsiteFull Time
0+ YOEPhD in a relevant computational biology field, strong statistical and computational modeling for genomics, AI/ML experience, proficiency in Python/R/C/C++, workflow managers (Snakemake/Nextflow), cloud/HPC familiarity, publication record, strong communication.
Python, R, C/C++, pandas, NumPy, SciPy, scikit-learn, Bioconductor, Snakemake, Nextflow, Google Cloud, Amazon AWS, SLURM, SGE