61 research scientist jobs at 33 companies in Winchester, VA
2w
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Bacteriology Research Scientist
Frederick, Maryland, United States
$85k-$90k/yr OnsiteFull Time
2+ YOEPh.D. or D.V.M. plus 2 years, or master's degree plus 7 years, in a relevant scientific discipline; complex research experience, active Secret clearance or ability to obtain, and US citizenship required.
BSL-2, BSL-3, ABSL-3, organoids, organ-on-a-chip systems, microphysiological systems, tissue culture, in vitro, in vivo, BPRP, CS-PRP
2w
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Research Scientist (76417)
Chantilly or Crystal City
$90k-$130k/yr HybridFull Time
5+ YOEMaster's degree with 5+ years of experience or Ph.D. in a relevant scientific field; scientific database proficiency, technical research and writing skills, national security experience, US citizenship, and active TS/SCI clearance with polygraph.
SciFinder, PubMed, ScienceDirect
2mo
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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
2mo
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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
1mo
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Senior Scientist
Manassas, Virginia, United States
$120k-$140k/yr OnsiteFull Time
5+ YOEPhD (or equivalent) with 5+ years' experience; expertise in NAMs/MPS/organoid/org-on-chip or advanced cell models; ability to design and direct complex research, analyze data, troubleshoot, and prepare scientific documentation.
1w
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Applied Scientist II
Reston, Virginia, United States
$155k-$204k/yr HybridFull Time
3+ YOEBachelor's and Ph.D. in Computer Science or related field; 3+ years of academic or industrial ML research; Agentic AI, deep learning, programming, and large-scale ML deployment experience.
Python, TensorFlow, PyTorch, SageMaker, MLFlow, MXNet, Large Language Models, Deep Learning, Data Science, Natural Language Processing, NLP, Agentic AI, Conversational AI
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Senior Scientist
Herndon, Virginia, United States
$150k-$235k/yr OnsiteFull Time
5+ YOEActive Top Secret clearance with ability to obtain SCI and CI polygraph; Bachelor's in related field; 5+ years OPIR/EO/IR experience; image processing and sensor performance expertise; strong documentation and communication skills.
Python, MATLAB, IDL, C/C++, ArcGIS, Google Earth, Opticks, Palette
3w
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Senior Scientist
Manassas, Virginia, United States
$120k-$140k/yr OnsiteFull Time
5+ YOEPhD in a scientific discipline or engineering equivalent plus 5+ years of experience; advanced bacteriology expertise, laboratory leadership, biosafety compliance, mentoring, experimental design, data analysis, and scientific communication.
1mo
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Postdoctoral Scientist - Schulze Lab
Ashburn, Virginia, United States
$74k/yr OnsiteFull Time
PhD in neuroscience/computer science/engineering or related; experience with VR systems, hardware–software integration, ML and computational analysis; strong communication and independent research skills.
Unity, LICONN
1w
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AI Engineer/Scientist - Staff
Austin or Menlo Park or Reston
HybridFull Time
8+ YOERequires 8+ years in AI engineering or research, strong machine learning and AI systems experience, Python and software engineering skills, research-to-production ability, and collaboration skills.
Python, LIME, SHAP, vLLM, SGLang, Kubernetes, Argo CD, GitOps, CI/CD, RAG, LLMs, VLMs
2w
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Therapeutics Discovery Staff Scientist
Fort Detrick, Maryland, United States
$100k-$115k/yr OnsiteFull Time
3+ YOEPhD in biomedical science, microbiology, virology, or related life science; 3+ years of post-degree laboratory experience; expertise in immunogenicity, virology, infectious agents, animal studies, and high-containment laboratory research.
ELISA, flow cytometry, ELISPOT, PCR, qRT-PCR, FISH, Western blot, IFA, PRNT, GFEBS, DMLSS
1mo
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Associate Scientist I
Sterling, Virginia, United States
OnsiteFull Time
Bachelor's in applied science, prior analytical testing experience, ability to follow SOPs, laboratory instrumentation experience, computer literacy, and strong written and verbal communication.
LIMS
1w
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Scientist II, In-Vitro & Nonclinical Assay Development
Frederick, Maryland, United States
$100k-$140k/yr OnsiteFull Time
2+ YOEPh.D. in a life sciences discipline with 2+ years of relevant experience, or M.S. with 4+ years. Requires mammalian cell culture, assay development, molecular techniques, data analysis, and preclinical research experience.
RT-PCR, Western blotting, ELISA, 3D cell culture, DMPK, ADME, CYP, microscopy, CRO
1mo
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Network Scientist
Jersey City or Clarksburg or Fairfax or Phoenix or Panama City
$130k-$160k/yr HybridFull Time
1+ YOEAdvanced degree in CS/CE or related, ≥1 year experience in computer or wireless mesh networking, strong C++ and Python skills, NS-3 simulation experience, embedded systems knowledge, and U.S. citizen/green card for ITAR/export controls.
C++, Python, Network Simulator 3 (ns-3), NS-3
2w
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SAR Scientist
Herndon or California
$155k-$175k/yr OnsiteFull Time
5+ YOEAdvanced degree in electrical engineering, physics, or similar; 5+ years engineering experience; 2+ years developing SAR algorithms; Python, Linux, Git, SAR physics, and complex-valued imagery expertise; US citizenship and TS/SCI clearance required.
Python, Linux, Git, Go, C++, NITF, SICD, SIDD, CPHD, GIS, Docker, AWS, AWS CLI
2d
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Physical Scientist
Nogales or Tucson or Long Beach or San Francisco or San Ysidro or Miami or Savannah or Honolulu or Chicago or New Orleans or Newark or Guaynabo or Memphis or Donna or El Paso or Houston or Laredo or Ashburn or Blaine
$106k-$138k/yr OnsiteFull Time
1+ YOEPhysical science, engineering, or mathematics degree with 24 semester hours in relevant science, plus 1 year of specialized GS-12-equivalent experience conducting complex analyses and evaluating laboratory methods.
USA Hire, Microsoft Office 365, Thrift Savings Plan
2mo
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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
5d
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Scientist (R&D Toxicology)
Chantilly, Virginia, United States
$80k-$100k/yr OnsiteFull Time
5+ YOEBachelor's degree with 5+ years, master's with 3–5 years, or doctoral degree with laboratory experience; requires LC-MS/MS expertise, assay development or validation, biological sample handling, and analytical data processing.
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS), solid-phase extraction (SPE), pipettes, analysis software, ANOVA
3d
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Scientist / Nuclear Weapons SME
Germantown or Knoxville
$175k-$190k/yr OnsiteFull Time
10+ YOEAdvanced degree in nuclear engineering or physical science, hands-on nuclear weapon science experience, current DoD Top Secret or DOE Q clearance, and at least 10 years of nuclear weapons field experience.
Second Line of Defense, XML
2w
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Data Scientist
Sterling or Tampa
OnsiteFull Time
5+ YOEMaster's degree preferred in a technical field; 5–12 years of data science or operations research experience, including 5 years supporting combatant command, joint headquarters, or Defense Department environments.
R, R Shiny, Python, Python Shiny, SQL, PostgreSQL, Microsoft Office, Microsoft SharePoint, MAVEN Smart Systems, Command and Control of the Information Environment (C2IE), Advana, AI, ML, Git, Large Language Models
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