29 ai research scientist jobs at 20 companies in Fredericksburg, VA

PromotedHiringCafe
Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
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
AT&T
AT&TNYSE: T: Provides wireless and fiber optic telecommunication services.
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
Peraton
Peraton: National security and mission-critical government technology services provider.
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
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
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
Two Six Technologies
Two Six Technologies: Develops cybersecurity and data systems for national security missions.
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
Seekr
Seekr: Transparent AI platform for enterprise and government decision-making.
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
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
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
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
15h
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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
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
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
ECS
ECSNYSE: ASGN: Provides advanced technology and engineering services to government agencies.
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
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
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
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
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
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.
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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Senior Scientist, Personnel Health Research & Data Analytics
Alexandria, Virginia, United States
$100k-$110k/yr HybridFull Time
Fors Marsh
Fors Marsh: Research firm using behavioral science for social impact.
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
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
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
Planet Labs
Planet LabsNYSE: PL: Operates imaging satellites providing daily global Earth observation data.
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
2mo
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Principal Scientist – AI/ML Specialization - WFH1651
Reston, Virginia, United States
RemoteFull Time
Global InfoTek
Global InfoTek: Develops advanced cybersecurity software and systems for defense agencies.
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
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
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
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
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
2w
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PHYSICAL SCIENTIST
Fort Belvoir, Virginia, United States
$144k-$187k/yr OnsiteFull Time
Defense Threat Reduction Agency
Defense Threat Reduction Agency: Countering weapons of mass destruction and emerging global threats.
1+ YOEApply advanced AI/ML and data fusion to automate battlespace data collection, translate end-user requirements, develop technical and fiscal program plans; degree in physical science/engineering/mathematics and specialized experience required.
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
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
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.
1mo
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Senior Scientist - Optical Signal Processing
Arlington or Woburn
$139k-$180k/yr OnsiteFull Time
Systems & Technology Research
Systems & Technology Research: Develops advanced technology for national security and defense applications.
3+ YOESenior scientist with 3-5+ years in signal processing, physics or related field; expertise in multiple areas of signal processing, AI/ML; strong communication; capable of obtaining security clearance.
MATLAB, Python, C/C++