807 senior scientist jobs at 251 companies in Lochearn, 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.
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Data Scientist Senior
Springfield, Virginia, United States
$140k-$174k/yr OnsiteFull Time
10+ YOESenior data scientist with TS/SCI clearance, US citizenship, 10+ years in analytics, model development, dashboards, and leadership.
Python, SQL, R, Tableau, ArcGIS, SharePoint, Excel, PowerPoint, Redmine
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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
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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 Computer Scientist
Reston, Virginia, United States
OnsiteFull Time
12+ YOETS/SCI with Poly; MS in Data Science/CS/Statistics/Math; 12+ years in data science/analytics/ML for intelligence/defense; Python/R/SQL; data visualization; ML; knowledge graphs; SPARQL/GraphQL; AI/ML model development for analytic tradecraft.
Python, R, SQL, Power BI, Tableau, SPARQL, GraphQL
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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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Senior Data Scientist
Springfield, Virginia, United States
$120k-$150k/yr OnsiteFull Time
Senior-level data science experience supporting intelligence missions, senior Python proficiency, scalable data pipelines, visualization, automation, and ability to work independently across multiple projects.
Python, JEMA, Brewlytics, ArcGIS ModelBuilder
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Data Scientist
Chantilly, Virginia, United States
OnsiteFull Time
5+ YOESenior-level data scientist with 5+ years experience supporting Intelligence Community missions; Python and analytics expertise; TS/SCI with FSP required; strong statistical, ML, and visualization skills.
Python, SQL, R, Hadoop, Spark, Java, C/C++, Git, Bash, Tableau, ArcGIS, Unix/Linux
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Senior Scientist
Ypsilanti or Chantilly
$103k-$217k/yr OnsiteFull Time
10+ YOEU.S. citizenship and active TS/SCI clearance required. Requires a degree in electrical engineering, signal processing, physics, or related field, or 10 years’ experience, plus SAR, algorithm development, and software experience.
C++, Python, MATLAB, Rust
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Scientist, Senior
Springfield, Virginia, United States
$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; polygraph eligibility required.
Python, MATLAB, GitLab, Git CLI
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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
2d
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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, Senior
Springfield, Virginia, United States
$120k-$150k/yr OnsiteFull Time
TS/SCI required (ability to obtain CI/Poly), senior intelligence/data science experience, Python scripting, scalable data process design, visualization creation, familiarity with IC data repositories.
Python, JEMA, Brewlytics, ArcModel Builder
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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 – 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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