696 senior scientist jobs at 222 companies in Timonium, MD
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Senior Data Scientist
Fort Meade, Maryland, United States
OnsiteFull Time
10+ YOESenior data scientist with 10+ years of experience, proficiency in Python/R/Java, ML and data visualization; strong communication and problem-solving skills.
Python, R, Java, Power BI, Tableau
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Senior Data Scientist
Annapolis Junction, Maryland, United States
$168k-$183k/yr OnsiteFull Time
8+ YOESenior data scientist with extensive experience designing and building data pipelines for enterprise AI, strong database and cloud skills, and leadership in complex projects.
Python, Java, Scala, Neo4j, PostgreSQL, MySQL, MongoDB, Cassandra, AWS, Microsoft Azure
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Senior Scientist
Arlington, Virginia, United States
OnsiteFull Time
15+ YOEMaster's degree; active DoD Secret clearance (ability to obtain one); 15+ years of experience; senior leadership in technical R&D; proven ability to independently analyze and advise on DARPA-related programs.
1mo
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Senior Cryptocurrency Intelligence Scientist
Washington, District of Columbia, United States
HybridFull Time
Senior data scientist with strong SQL and Python, deep blockchain expertise, OSINT familiarity, AI fluency for analytics, intelligence tradecraft, strong communication, and ability to obtain security clearance.
SQL, Python
2mo
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Senior Data Scientist, Product Analytics
North Bethesda or Waltham
$140k-$160k/yr HybridFull Time
6+ YOESenior data scientist with 6–8 years experience in data analytics, statistics, experimentation, and product analytics; strong SQL; Python and Looker desirable; experience in product-driven environments.
SQL, Python, Looker
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Senior Research Scientist - Advanced Systems
College Park, Maryland, United States
$176k-$282k/yr OnsiteFull Time
12+ YOESenior research/engineering role requiring 12+ years with a Bachelors or 10+ with a Masters or 8+ with a PhD in a technical field; strong software prototype development and DevOps experience; US citizenship and TS/SCI with Polygraph.
Programming languages: Python, C, C++, Java, Go, CI/CD tools: Jenkins, GitHub Actions, GitLab CI, DevOps tools: Ansible, Terraform/OpenTofu, Databases and data technologies: PostgreSQL, MongoDB, Elasticsearch/OpenSearch, Redis, Kafka, Containerization: Docker, Kubernetes, Cloud platforms: OpenStack, cloud platforms
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Scientist, Senior
Springfield or Alexandria
$99k-$225k/yr OnsiteFull Time
10+ YOE10+ years in a STEM field, STEM bachelor's degree, Python and MATLAB programming, remote sensing, optimization techniques, and active TS/SCI clearance with willingness to take a polygraph.
Python, MATLAB, GitLab, Git CLI
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Senior Scientist
Rockville, Maryland, United States
$113k-$182k/yr OnsiteFull Time
5+ YOERelevant scientific degree plus 3–8+ years of scientific or laboratory experience depending on degree, including 5+ years in biosafety and product-characterization testing; expertise in cell culture, ELISA, flow cytometry, qPCR, and ddPCR.
cell culture, ELISA, flow cytometry, qPCR, ddPCR
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Senior Scientist
Rockville, Maryland, United States
$113k-$182k/yr OnsiteFull Time
5+ YOEPh.D. plus 3+ years, master's plus 6+ years, or bachelor's plus 8+ years in a relevant scientific discipline; 5+ years in biosafety and product-characterization testing; expertise in laboratory assays and quality systems.
ELISA, flow cytometry, qPCR, ddPCR
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Senior Scientist
Rockville, Maryland, United States
$113k-$182k/yr OnsiteFull Time
3+ YOERequires a Ph.D. plus 3+ years, master's plus 6+ years, or bachelor's plus 8+ years in a scientific discipline; 5+ years in biosafety and product characterization testing; expertise in cell culture, ELISA, flow cytometry, qPCR, and ddPCR.
ELISA, flow cytometry, qPCR, ddPCR, GMP, cGMP, GLP, SOPs
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Data Scientist 3
Annapolis Junction, Maryland, United States
OnsiteFull Time
10+ YOESenior Data Scientist with 10+ years of relevant experience in data engineering, ML, data management, and government data analysis; BS required, advanced degree preferred or related certifications.
Python, SQL, Machine Learning, Data Visualization
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Senior Scientist, Transplant Immunology & Gene Therapy
Silver Spring, Maryland, United States
$128k-$170k/yr OnsiteFull Time
5+ YOEMaster’s degree with 8+ years or PhD with 5+ years in immunology or related field; strong immunology, transplant biology, and gene therapy expertise; experience with viral and non-viral gene delivery; assay development; mentoring and cross-functional collaboration.
AAV, lentiviral vectors, adenoviral, mRNA/LNP, flow cytometry, cytokine profiling, ddPCR, qPCR, ELISA, multiplex assays
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Senior Scientist- NGS
Lancaster, Pennsylvania, United States
OnsiteFull Time
1+ YOEAdvanced degree in molecular biology, cell biology, or biochemistry; 1–5+ years depending on degree; GMP NGS laboratory experience, sequencer operation, troubleshooting, and method validation expertise required.
Next Generation Sequencing (NGS), sequencers, bioinformatics, Design of Experiment (DOE)
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Senior Scientist – Immunopeptidome
Gaithersburg, Maryland, United States
$116k-$174k/yr HybridFull Time
2+ YOEPhD in immunology or related field, 2+ years postdoctoral experience, expertise in immunopeptidome, T cell and myeloid biology, assay development, and strong scientific communication.
immunopeptidomics, FACS, ELISA, ELISPOT, high content imaging, cell killing assays, RNA
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Senior Scientist, Personnel Health Research & Data Analytics
Alexandria, Virginia, United States
$100k-$110k/yr HybridFull Time
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
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Senior Research Scientist - Advanced Systems
College Park, Maryland, United States
$176k-$282k/yr OnsiteFull Time
12+ YOE12+ years with Bachelor's; 10+ with Masters; 8+ with PhD in CS/CE/EE/SE/Data Science; strong prototype software development; Python/C/C++/Java/Go; APIs, databases, analytics; TS/SCI w/Poly; US citizenship.
GitHub, GitLab, Jenkins, CI/CD, Python, C, C++, Java, Go
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Data Scientist (TS/SCI w/ Poly)
Columbia, Maryland, United States
$180k-$220k/yr OnsiteFull Time
4+ YOESenior Data Scientist with TS/SCI w/ Poly, 4+ years experience; onsite; strong data engineering and pipelines; cloud experience.
Python, Java, Scala, PostgreSQL, MySQL, MongoDB, Cassandra, Neo4j, Spark, Hadoop, Kafka, AWS, Azure
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Senior Applied Scientist , Prime Video Ads
Seattle or Arlington or New York
$167k-$249k/yr OnsiteFull Time
3+ YOE3+ years ML model development; PhD or Master’s with 6+ years of applied research; Java/C++/Python; deep learning experience; distributed systems and PyTorch/JAX preferred.
Java, C++, Python, PyTorch, JAX, Hadoop, Spark
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Senior Data Scientist
Arlington, Virginia, United States
$159k-$220k/yr OnsiteFull Time
10+ YOEMaster of Science and 10+ years of experience required, with active Top Secret clearance and ability to obtain SCI. Requires mastery of one data language or statistical tool and experience with another.
Amazon Web Services, Python, SQL, R, SAS, JavaScript
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Senior Data Scientist
Woburn or Arlington
$140k-$190k/yr OnsiteFull Time
3+ YOEMS with 3+ years of experience or PhD in a related quantitative discipline; AI/ML experience, Python and data science tools, research ability, communication skills, and active Secret clearance required.
Python, NumPy, Pandas, scikit-learn, PyTorch, matplotlib, AWS, Hadoop, Spark, Dask, MapReduce
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