14 ai research scientist jobs at 8 companies in Winchester, 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
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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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
6d
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Research Data Scientist, Cybersecurity, Google Cloud
San Francisco or Reston
$147k-$211k/yr OnsiteFull Time
3+ YOEMaster's in a quantitative field (or PhD), 3+ years analytics/coding experience (Python, R, SQL), experience developing/deploying ML/AI models, security/fraud domain experience preferred.
Python, R, SQL
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
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
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
3w
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Senior Applied Scientist, Applied AI Solutions GTM
Austin or Seattle or New York or Herndon or Chicago or Mountain View or San Francisco or Dallas
$167k-$260k/yr OnsiteFull Time
5+ YOEPhD or Master's +6 years (or equivalent) with 5+ years building ML models for business, deep learning and NLP experience, experience managing analytics teams, working with diverse datasets, and customer segmentation.