43 ai research scientist jobs at 24 companies in Manassas, VA
PromotedHiringCafe
Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Python, PyTorch, Elasticsearch, LLMs
1mo
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AI Research Scientist (Government)
Chantilly, Virginia, United States
$210k-$254k/yr OnsiteFull Time
10+ YOEMaster’s degree in information systems or related field; 10+ years of related experience; US citizenship with ability to obtain security clearance; experience in DoD/federal defense environment.
3w
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AI/ML Research Scientist - Agentic Systems
Herndon or Annapolis Junction or Bowie
$112k-$179k/yr OnsiteFull Time
3+ YOEUS citizen eligible for FAA Public Trust; degree (Bachelors+ with 8+ yrs, Masters+ with 6+ yrs, or PhD+ with 3+ yrs); strong Python software skills, additional languages (C, C++, JavaScript), LLM/API experience, AI/ML background, and local to specified MD/VA sites.
Python, C, C++, JavaScript, PyTorch, TensorFlow, Anthropic Model Context Protocol (MCP), Kubernetes, Terraform, LLMs
3w
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AI/ML Research Scientist - Agentic Systems
Herndon, Virginia, United States
$112k-$179k/yr OnsiteFull Time
3+ YOEDegree (BSc+8 yrs / MSc+6 yrs / PhD+3 yrs), strong Python and software development skills, experience with C/C++/JavaScript, demonstrated AI/ML work, LLM API experience, US citizenship and ability to obtain FAA Public Trust, local to specified MD/VA sites.
Python, C, C++, JavaScript, PyTorch, TensorFlow, Anthropic Model Context Protocol (MCP), Kubernetes, Terraform
2w
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Principal Research Scientist
Arlington, Virginia, United States
$150k-$230k/yr OnsiteFull Time
10+ YOEActive Top Secret (SCI-eligible) clearance, 10+ years experience in CS/Math/Statistics, expertise in AI/ML and applied statistics, experience leading researchers and engineers, R/Python/SQL + git/CI/CD, proposal writing and customer engagement.
R, Python, SQL, git, CI/CD, Maven Smart System
2mo
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AI Engineer / Research Scientist (Senior, Staff), Explainable AI
Austin or Remote or Reston
HybridFull Time
Strong ML background, Python, between research and engineering; production-grade coding; design experiments; explainability-focused work.
Python, Kubernetes, Argo CD, GitOps, vLLM, SGLang, CI/CD, GPU, Vector databases, Retrieval systems, Experiment tracking, Model/data versioning
2mo
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Assistant Research Scientist (PREP0003750)
Gaithersburg, Maryland, United States
$47k-$67k/yr OnsiteFull Time
Bachelor's in CS/AI/Data Science required; experience with AI tools (AWS, GCP, Azure, MLFlow, SQL, BigQuery, Snowflake); knowledge of data curation, dataset evaluation, ML, statistics, and software engineering for AI. US citizens preferred.
AWS, GCP, Azure, MLFlow, SQL, BigQuery, Snowflake
2w
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People Research Data Scientist, AI Fairness & Bias
San Francisco or New York City or Seattle or Washington
$198k-$220k/yr HybridFull Time
Experienced data scientist or applied researcher with deep expertise in algorithmic fairness, bias measurement, evaluation design, and strong proficiency in Python/R and SQL; able to design audits, build evaluation pipelines, and advise stakeholders.
Python, R, SQL, Fairlearn, AI Fairness 360
14h
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Senior Research Scientist, Superconducting Digital Electronics, Quantum AI
Goleta or Cambridge or Mountain View or Seattle or San Francisco or Washington
$174k-$253k/yr OnsiteFull Time
Master's in EE/Physics or equivalent; experience with superconductor logic families and tape-out of superconducting IC chips; one or more published papers; proficiency with CAD and electromagnetic simulation tools.
2d
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Principal AI/ML Scientist
Arlington, Virginia, United States
OnsiteFull Time
5+ YOEUS citizen able to obtain Public Trust; Bachelor's in CS/Engineering/IT or 5+ years AI development; deep AI architecture knowledge; experience with ML/DL/NLP/generative AI; programming in Python/Java/C++; cloud (AWS, Azure, Google Cloud).
Python, Java, C++, AWS, AWS GovCloud, Azure, Google Cloud, Sagemaker, Pytorch, TensorFlow, Glue, Databricks, Elasticsearch, Azure AI, Pandas, NumPy, Jupyter Notebook, Elastic Cloud Enterprise, DevSecOps, NIST Risk Management Framework (RMF)
2mo
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Senior Data Scientist / AI Machine Learning Research Engineer
Denver or Sarasota or Sterling
$82k-$172k/yr OnsiteFull Time
5+ YOEMaster's in a quantitative field, 5+ years experience, active Top Secret clearance (SCI w/ polygraph ability), strong ML/math/stats skills, Python and SQL proficiency, cloud and data-pipeline experience, Linux familiarity.
AWS, Azure, GCP, Python, SQL, Spark, Airflow, TensorFlow, PyTorch, scikit-learn, Linux
1mo
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Senior AI/ML Applied Scientist - Remote
Eden Prairie or Minneapolis or Washington
$92k-$164k/yr HybridFull Time
2+ YOEMS in CS or related field with 2+ years AI/ML experience or PhD in AI/ML; 2+ years Python, ML and DL experience with PyTorch or TensorFlow.
Python, PyTorch, TensorFlow, Spark, Snowflake, GitHub, NLP, LLM
3w
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Senior Associate HPC AI Scientist
Arlington, Virginia, United States
$145k-$165k/yr HybridFull Time
Advanced degree (PhD/MD) in a related field, hands-on deep learning experience, proficiency in Linux-based GPU HPC environments, demonstrated training delivery skills, and strong communication.
PyTorch, TensorFlow, Keras, Jupyter notebooks, Git, Linux, HPC, GPU
1mo
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AI and Data Assimilation Scientist
College Park, Maryland, United States
$90k-$185k/yr OnsiteFull Time
Experience developing and deploying AI-based geophysical systems; strong Python skills; experience with PyTorch or TensorFlow, HPC/GPUs, UNIX, data assimilation, and earth-observation data; U.S. citizen or green card holder with 3–5 years U.S. residency.
PyTorch, TensorFlow, Python, Zarr, Parquet, HPC, GPUs, UNIX
1mo
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Senior Scientist, Personnel Health Research & Data Analytics
Alexandria, Virginia, United States
$100k-$110k/yr HybridFull Time
4+ YOEMaster’s degree; 4+ years post-graduate applied research; leadership and client-facing experience; proficiency with AI tools; experience with R, Python, Databricks, SQL; U.S. citizenship and ability to obtain gov’t clearance.
R, Python, Databricks, SQL, GitLab
2mo
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Senior Data Scientist / AI Machine Learning Research Engineer
Denver or Sarasota or Sterling
$82k-$172k/yr OnsiteFull Time
5+ YOEMaster’s degree in quantitative field with 5+ years of experience; ML/statistics background; Linux; US citizen with Top Secret/SCI clearance; travel up to 10%.
Python, SQL, Spark, Airflow, TensorFlow, PyTorch, scikit-learn, Linux, ETL, AWS, Azure, GCP
1mo
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Visiting Scientist
San Francisco or Washington DC
$145k-$181k/yr RemoteContract
0+ YOEPhD in Geospatial Analytics, Computer Science, Remote Sensing or related field; AI/ML experience; Python and geospatial stack proficiency; research-focused with ability to bridge academia and industry.
PyTorch, TensorFlow, Python, xarray, Dask, Rasterio, GeoPandas
2w
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Scientist – Biomolecular Interactions
Gaithersburg, Maryland, United States
$116k-$174k/yr OnsiteFull Time
0+ YOEMS in a related field (or BS with 5+ years), expertise in biosensor-based biomolecular interaction assays (Carterra LSA, Biacore 8K), assay development/troubleshooting, data analysis, and engagement with AI/ML and automation.
Carterra LSA, Biacore 8K, HT-SPR, Electronic lab notebooks (ELNs), Python, R, AI, machine learning
2mo
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Principal Scientist – AI/ML Specialization - WFH1651
Reston, Virginia, United States
RemoteFull Time
10+ YOE10+ years of hands-on R&D in RF systems or related domains; advanced degree in a quantitative field; US citizenship.
Python, Jupyter notebooks
1w
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Computer Scientist
Washington or McLean
$99k-$225k/yr OnsiteFull Time
8+ YOETS/SCI clearance required; 8+ years correlating technical findings and 5+ years OOP/functional programming; experience with CI/CD, LLM/AI evaluation, classified DoD/IC networks, ability to visualize complex data, and a bachelor’s degree or equivalent experience.
CI/CD, TEVV, LLMs, AI, Object-Oriented Programming (OOP), functional programming, Google Chrome, Mozilla Firefox, Microsoft Edge, Apple Safari, Opera Browser, Blackberry Browser
2d
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Data Scientist
Chantilly, Virginia, United States
OnsiteFull Time
2+ YOEActive TS/SCI with polygraph; bachelor\u0002s +2 years (or master\u0002s); experience in software architectures, ML, ontologies, dataset generation, model evaluation, responsible AI, Agile (Scrum/SAFe), and cloud architectures.
Microsoft Office, Scrum, SAFe