23 staff scientist jobs at 17 companies in Dumfries, VA
1w
Save
Mark Applied
Hide
Staff Scientist
Washington, District of Columbia, United States
$48k-$88k/yr OnsiteFull Time
1+ YOEMaster’s degree required; PhD preferred. Requires laboratory and computing experience, immunohistochemistry, image acquisition and analysis, histology knowledge, Microsoft Office proficiency, organization, communication, documentation, and problem-solving skills.
Microsoft Office
2d
Save
Mark Applied
Hide
Staff Scientist
Manhattan or Rockville
OnsiteFull Time
3+ YOEMaster's degree with 2+ years or bachelor's degree with 6+ years in a relevant science field, plus 3+ years of biologics development in a U.S. BSL-2 laboratory and cell culture, virus propagation, inventory, and animal sample processing experience.
DARBI, MasterControl, Maxim
5d
Save
Mark Applied
Hide
Staff Scientist I
Washington, District of Columbia, United States
$73k-$122k/yr OnsiteFull Time
2+ YOERequires a Ph.D., M.D., or master's degree with 3 years of relevant experience, plus 2–4 years of progressive specialized postdoctoral experience and skills in next-generation sequencing, bioinformatics, and molecular genetics.
Next-Generation Sequencing
2w
Save
Mark Applied
Hide
Staff Scientist- Natural Resources
Arlington, Virginia, United States
$68k-$93k/yr OnsiteFull Time
0+ YOEBachelor’s degree in environmental science, ecology, or planning; 0+ years in natural resource assessment and permitting; GIS and AutoCAD skills; communication, analytical, fieldwork, travel, and valid driver’s license required.
GIS, AutoCAD
3mo
Save
Mark Applied
Hide
Staff Data Scientist
North Bethesda or Waltham
$163k-$190k/yr HybridFull Time
8+ YOE8+ years in data science/ML with a BA; 5-6+ years with a Master’s; PhD with 3-4+ years of applied experience; expert Python/SQL; experience with 3D geometry and AI in manufacturing.
Python, SQL, Geometric Deep Learning, 3D Computer Vision
2w
Save
Mark Applied
Hide
Staff Scientist
McLean or Bethesda or Tysons Corner
OnsiteFull Time
2+ YOEPhD and at least 2 years of postdoctoral research in molecular or cellular biology, biochemistry, or related fields; zebrafish expertise, animal models, microscopy, publications, and Public Trust eligibility required.
mTOR, TFEB, TFE3, Zebrafish
1mo
Save
Mark Applied
Hide
Staff Applied Scientist, AdTech
Arlington or Baltimore or Buffalo or Jersey City or Manchester or New York City or Philadelphia or Stamford
$175k-$200k/yr RemoteFull Time
5+ YOE5+ years applied data science experience building and deploying ML solutions in AWS for adtech or performance marketing; expert Python and SQL; strong modeling and business-first orientation.
Python, SQL, AWS, Looker, Google, Meta
2w
Save
Mark Applied
Hide
Staff Data Scientist, Product
Bethesda or Palo Alto
$115k-$230k/yr HybridFull Time
8+ YOERequires 8+ years in product analytics, decision science, data science, or related quantitative roles; advanced SQL; Python or R; experimentation and causal inference expertise; and a bachelor's degree or equivalent experience.
SQL, Python, R
2w
Save
Mark Applied
Hide
Staff Scientist (Metabolism and Mass Spectrometry), Informatics Core, Division of Preclinical Innovation
Rockville, Maryland, United States
OnsiteFull Time
Doctoral degree in biochemistry, analytical chemistry, or related field; expertise in LC-MS metabolomics, mass spectrometry data analysis, multi-omics, statistics, automated liquid handling, research collaboration, and scientific communication.
Liquid chromatography-mass spectrometry (LC-MS), MS2, MSn, PCA, Agilent, Waters, Sciex, Signals, Jira, Thrift Savings Plan
1w
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Staff Data Scientist - Digital Intelligence
Carson City or San Francisco or Seattle or New York City or Miami or Washington
$191k-$230k/yr HybridFull Time
12+ YOEMaster's or PhD in quantitative field, 12+ years data science experience, expert SQL, strong Python and Spark/PySpark skills, production ML and fraud/adversarial domain experience, mentorship and communication skills.
SQL, Python, Spark, PySpark, scikit-learn, XGBoost, TensorFlow, PyTorch
1w
Save
Mark Applied
Hide
Staff Gen AI Research Scientist
Costa Mesa or Seattle or Washington
$220k-$292k/yr OnsiteFull Time
2+ YOERequires a technical degree, 2+ years focused on generative models and transformers, production Python and deep learning expertise, LLM experience, and eligibility for a U.S. Top Secret clearance.
Lattice OS, Python, PyTorch, JAX, Axolotl, Hugging Face, DeepSpeed, Megatron-LM, LangChain, LlamaIndex, NVIDIA Jetson
2mo
Save
Mark Applied
Hide
Staff Data Scientist, Credit Card and Banking
Menlo Park or New York or Washington
$217k-$255k/yr OnsiteFull Time
7+ YOE7+ years in data science and credit modeling, strong SQL and Python proficiency, experience designing experiments, domain knowledge of credit data, model deployment and monitoring, and stakeholder communication skills.
SQL, Python
1mo
Save
Mark Applied
Hide
Staff Data Scientist - Public Insights and Advocacy
Washington, District of Columbia, United States
$180k-$250k/yr OnsiteFull Time
8+ YOE8+ years in data science/economics/statistics; 5+ years driving public conversation for public companies or advocacy orgs; strong SQL, statistical sampling expertise, data visualization and communication skills.
SQL
3mo
Save
Mark Applied
Hide
Senior Data Scientist
Arlington, Virginia, United States
OnsiteFull Time
5+ YOE5+ years data science experience, Bachelor's in related field, strong SQL/Python/Scala skills, cloud data analytics and ML experience, ability to design data architectures and mentor junior staff.
SQL, Python, Scala, PySpark, Azure, Azure Data Lake, Azure Data Factory, Databricks, DevOps, ETL, IoT
1w
Save
Mark Applied
Hide
SUPERVISORY PHYSICAL SCIENTIST
Fort Belvoir, Virginia, United States
$169k-$197k/yr OnsiteFull Time
Requires one year of GS-14-equivalent specialized experience directing chemical and biological defense research, managing S&T transitions and acquisition programs, overseeing budgets, and supervising civilian and contractor staff.
Technology Transition Agreements (TTAs), Material Development Decision (MDD), Program Objective Memorandum (POM), Statements of Work (SOW), Procurement Requests (PRs), MIPRs, SF50, DD214, SF-15
1mo
Save
Mark Applied
Hide
Staff Principal Scientist/Senior Economic Security Analyst
Alexandria, Virginia, United States
$160k-$180k/yr HybridFull Time
10+ YOEBachelor's degree with ~10 years relevant experience, US citizenship, Top-Secret/SCI eligibility; expertise in export controls, S&T research, or data science/AI; proficiency with R, SQL, git, and Microsoft Office; strong writing and negotiation skills.
R, SQL, git, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, AI APIs, LLM platforms
Explore Jobs