42 scientist ii jobs at 24 companies in Rosslyn, VA
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Scientist/Engineer II
Arlington, Virginia, United States
OnsiteFull Time
7+ YOEMaster's degree; active DoD Secret clearance or ability to obtain; 7+ years of experience; R&D project planning, execution, and communication skills.
3mo
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Environmental Scientist II
Herndon, Virginia, United States
OnsiteFull Time
3+ YOEBachelor's in Environmental Science, Ecology, Biology or related field; 3+ years of experience; MS Office; AutoCAD; valid state driver’s license and motor vehicle check.
Microsoft Office, AutoCAD
3d
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Staff Scientist II
Manhattan or Rockville
OnsiteFull Time
7+ YOEPhD in a relevant field and 7+ years of U.S. BSL-2 biologics development experience. Requires mammalian, hybridoma, and bacterial cell culture, virus propagation, animal sample processing, and security compliance.
DARBI, MasterControl, Maxim, Electronic inventory records, Autoclaves, Thermal Tissue Autoclaves, Effluent Decontamination System, Dunk Tanks, Irradiators, Laboratory Safety Systems
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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Data Scientist II
Washington, District of Columbia, United States
$80k-$165k/yr OnsiteFull Time
Requires active Top Secret clearance, professional experience with SQL and NoSQL databases, Python or R, statistical and AI/ML modeling, time-series analysis, Git, Tableau, cloud services, APIs, and high-performance computing.
DBeaver, PostgreSQL, MySQL, NoSQL, MongoDB, SQL, Python, R, Git, Tableau, Tableau Prep, Splunk, APIs, GitHub
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Data Scientist II
San Francisco or Ottawa or Phoenix or Toronto or Los Angeles or Denver or Salt Lake City or Atlanta or Chicago or Houston or Portland or New York City or Vancouver or San Diego or Washington, D.C. or Sacramento or Jacksonville or Seattle or Mexico City or Austin or Miami or Boston or Dallas
$97k-$184k/yr HybridFull Time
3+ YOE3+ years building and deploying ML models at scale, proficiency in Python, SQL/PySpark, Spark/Databricks, experience with NLP, deep learning and generative models, BS/MS in quantitative field.
Scikit-learn, NumPy, PyTorch, Python, SQL, Apache Spark, Databricks, PySpark
2mo
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Data Scientist II
Rockville, Maryland, United States
$130k-$145k/yr OnsiteFull Time
Bachelor's in data science, bioinformatics, CS, biological sciences or equivalent experience; demonstrated data-intensive biomedical research experience; strong Python and R skills; experience with at least two omics data types; statistical modeling and collaboration skills.
Python, R, Scanpy, Squidpy, SCIMAP, AnnData, Snowflake, Databricks, Galaxy, Terra, Nextflow, WDL, Snakemake, Singularity, CWL, Posit Connect, Shiny, Streamlit, Jupyter, AWS (EC2, S3, Lambda), SLURM, SGE, NIH Biowulf, HL7/FHIR, CDISC, OMOP, UMAP, t-SNE, PCA, PhenoGraph, Louvain, Leiden, Ripley's L statistic
2mo
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Data Scientist II
Vienna, Virginia, United States
OnsiteFull Time
4+ YOETop Secret clearance and U.S. citizenship required; Bachelor’s degree; 4+ years data science experience; experience with scikit-learn, TensorFlow, Python/R/MATLAB/Spark, probabilistic/predictive modeling, property graphs, and production ML.
scikit-learn, TensorFlow, Python, R, MATLAB, Spark
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Environmental Scientist II
Fairfax, Virginia, United States
$64k-$82k/yr FieldFull Time
2+ YOEB.S. in environmental field, 2+ years relevant experience, wetland delineation and CWA permitting experience, NEPA documentation, technical writing, and preferred wetland/arborist certifications; ArcGIS Pro/AutoCAD/MicroStation experience preferred.
ArcGIS Pro, AutoCAD, MicroStation
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Data Scientist II
Fort Belvoir or United States
RemoteFull Time
3+ YOEActive Secret clearance and U.S. citizenship required; Master's/Bachelor degree in quantitative field; 3+ years research experience; advanced proficiency with statistical tools, ML frameworks, cloud platforms, and Microsoft Office.
Microsoft Word, Microsoft Excel, Microsoft Access, SPSS, SAS, Python, R Shiny, Scikit-learn, PyTorch, TensorFlow, Keras, CNN, GAN, LSTM, RNN, XGBOOST, Hadoop, SQL, HIVE, Spark, Snowflake, AWS, Azure, Google Cloud, AWS Sagemaker, Databricks, AI-platform, MLOps, PowerBI, Tableau, Scala, Julia
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Scientist I/II - Bioconjugation
Rockville, Maryland, United States
$86k-$146k/yr OnsiteFull Time
2+ YOEExperience in bioconjugation and ADC development, hands-on purification/analytical skills (HPLC, LC-MS, NMR), strong documentation and communication, MS or BS in chemistry-related field.
HPLC, FPLC, LC-MS, NMR, UPLC, SEC, HIC
2w
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Geospatial Data Scientist II
Washington or Massachusetts or Cambridge or Arizona or Phoenix or China or Beijing
$76k-$95k/yr RemoteContract
2+ YOEMaster’s degree or equivalent experience and 2–5 years in geospatial analysis, data science, remote sensing, or environmental modeling. Requires Python, GIS, statistics, machine learning, Git/GitHub, and U.S. work authorization without future sponsorship.
Python, GIS, Esri, Git, GitHub, AWS, Azure, Google Cloud, Google Earth Engine
1mo
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Bioassay Research Scientist II
Silver Spring, Maryland, United States
$65k-$108k/yr OnsiteFull Time
2+ YOEPhD in molecular/cell biology,2+ years research experience in molecular biology and cell-based assay development,mammalian cell culture,experimental design,data analysis,excellent communication,ability to obtain Public Trust.
2w
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Data Scientist II (54590)
Washington, District of Columbia, United States
$76k-$95k/yr RemoteFull Time, Contract
2+ YOEMaster’s degree or equivalent experience; 2–5 years in geospatial analysis, data science, remote sensing, or environmental modeling; Python, GIS, statistics, machine learning, Git/GitHub, and communication skills.
Python, GIS, Esri, Git, GitHub, AWS, Azure, Google Cloud, Google Earth Engine
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Scientist II - Consortium for Defense Psychology
Bethesda or Bethesda
$93k-$127k/yr HybridFull Time
5+ YOEDoctoral degree required, 5-8+ years experience, expertise in research design and analysis, teaching and mentoring experience, grant-writing and collaboration with military/government stakeholders, ability to obtain T1 Public Trust.
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Scientist II, Standardized Organoid Modeling Center
Frederick, Maryland, United States
$103k-$148k/yr OnsiteFull Time
2+ YOEPhD plus minimum 2 years related experience in tissue/biomedical engineering or related disciplines; expertise in tissue engineering, cell-based assays, lab techniques, data documentation, and scientific publication; ability to obtain security clearance.
Microsoft Office
2w
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Medical Laboratory Scientist II
Silver Spring, Maryland, United States
$29-$48/hr OnsitePart Time
1+ YOERequires 1 year of high-complexity clinical laboratory experience or training, relevant laboratory science education, problem-solving skills, and proficiency with Microsoft Office and Laboratory Information Systems.
Microsoft Office, Microsoft Word, Microsoft Excel, Microsoft Outlook, Laboratory Information Systems, Standard Operating Procedures (SOP), Laboratory Information System, pipettes, laboratory instruments
2w
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Medical Laboratory Scientist II
Baltimore, Maryland, United States
$10k/yr OnsiteFull Time
0+ YOEBachelor’s degree in medical technology, biology, or related science; or associate degree in medical laboratory technology with three years of clinical laboratory experience. ASCP preferred.
CLIA 88, TJC, CAP, FDA
1w
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Battery Scientist I or II
Beltsville, Maryland, United States
$75k-$115k/yr OnsiteFull Time
0+ YOERequires a bachelor's degree with 0–2 years' experience, or advanced degree with relevant laboratory research. Requires materials analysis, experimental data analysis, technical communication, teamwork, and organizational skills.
Python, MATLAB, Scanning Electron Microscopy (SEM), X-ray Diffraction (XRD), Raman, Fourier-transform Infrared Spectroscopy (FTIR), Ultraviolet–visible Spectroscopy (UV-Vis), X-ray Photoelectron Spectroscopy (XPS), SolidWorks, Fusion360, 3D printing
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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
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