24 scientist ii jobs at 19 companies in Dumfries, VA
3mo
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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.
12h
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Data Scientist II
Fulton, Maryland, United States
OnsiteFull Time
6+ YOEActive TS/SCI clearance, bachelor's degree, and at least 6 years of experience in data science, predictive analytics, statistical modeling, data processing, or database technologies.
CompTIA Cloud Essentials, MTA, CCSK, CompTIA A+, CompTIA Security+, EMCDSA, CCDH, HCAHD, CISSP, CCP, MCPD, MCSD, MCSE, Private Cloud, CCAH
2mo
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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
2w
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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
15h
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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
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
1mo
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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
1w
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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
3mo
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Data Scientist II
Crystal City or United States
$107k-$124k/yr HybridFull Time
3+ YOEBachelor's in a quantitative field, 3+ years data science/product analytics experience, strong statistics, experimentation and causal inference skills, advanced SQL and Python, familiarity with product analytics and ML.
Statsig, Eppo, Optimizely, LaunchDarkly, Amplitude, FullStory, Mixpanel, Python, pandas, NumPy, scikit-learn, SQL, Snowflake, BigQuery, Databricks, Spark, dbt
1mo
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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
1mo
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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
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.
4d
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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
2w
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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.
6d
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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
3w
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Data Scientist II (US) FCRM Modeling
New York or Greenville or Vienna or Mount Laurel or Fort Lauderdale or Jacksonville or Charlotte or Boston
$76k-$125k/yr RemoteFull Time
3+ YOEUndergraduate degree preferred, 3+ years relevant experience, strong Python and SQL skills, experience with tree-based algorithms and production models, AML domain and cloud experience preferred.
Python, SQL
2mo
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Engineer/Scientist 3
Charleston or Norfolk or New Orleans or Portsmouth or Washington or Patuxent River
OnsiteContract, Temporary
5+ YOEBachelor's in engineering, CS, physics or related; 5+ years relevant experience; IAT Level II (e.g., Security+ CE) and active SECRET clearance; familiarity with system lifecycle, data analysis, system design, integration, and technical documentation.
2w
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Medical Laboratory Scientist II - Core Lab Night Shift
Washington, District of Columbia, United States
$36-$65/hr OnsiteFull Time
0+ YOEPerforms and documents clinical specimen testing, quality control, troubleshooting, and training; requires bachelor\u0002s in lab/related science and ASCP certification (or 3+ yrs experience).
2w
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Medical Laboratory Scientist II - Core Lab Night Shift
Washington, District of Columbia, United States
$36-$65/hr OnsiteFull Time
0+ YOEPerform specimen testing and analysis, maintain quality control/assurance and equipment, document results, provide technical support and training in a clinical core laboratory.
1mo
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Data Scientist II, AWS Managed Operations Intelligence (MOI) - Data Science
Arlington, Virginia, United States
OnsiteFull Time
3+ YOEU.S. citizen required. 3+ years data science experience with SQL/Python/R, machine learning/statistical modeling, and working with large complex datasets; experience with clustered processing (Hadoop/Spark) preferred.
Spark, Airflow, Hugging Face, SQL, Python, R, SAS, MATLAB, Hadoop, MapReduce, Hive
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