64 analytical scientist jobs at 30 companies in Ballwin, MO
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Senior Analytical Scientist
St. Louis, Missouri, United States
$76k-$114k/yr OnsiteFull Time
1+ YOEBachelor/Master/PhD in chemistry or related field with industrial research experience, analytical method development and transfer experience, protein characterization techniques, instrumentation troubleshooting, and strong communication skills.
ELISA, SPR, Isoelectric Focusing, CE, UV-Vis, HPLC, GC, IC, UPLC, SEC, HILIC, Microsoft Word, Microsoft Excel, PowerPoint
1d
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Senior Analytical Scientist
St. Louis, Missouri, United States
$76k-$114k/yr OnsiteFull Time
1+ YOEBachelor's degree plus 6+ years, master's plus 2+ years, or PhD plus 1+ years of research in chemistry, biochemistry, biomedical engineering, chemical engineering, life science, or engineering. Analytical development expertise required.
ELISA, SPR, Isoelectric Focusing, CE, UV-Vis, HPLC, GC, IC, UPLC, SEC, HILIC, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
2d
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Scientist - Analytical Assay HPLC
Chesterfield, Missouri, United States
OnsiteFull Time
3+ YOEHands-on CGE, qPCR, and HPLC experience; SEC-MALS valued. Bachelor's or master's degree in a scientific discipline and 3–5 years of relevant industry experience required.
Capillary Gel Electrophoresis (CGE), qPCR, HPLC, SEC-MALS, NMR, Mass spectrometry, electronic laboratory notebook (ELN), Empower, OpenLab
2mo
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Analytical Development Scientist II
Bridgeton, Missouri, United States
OnsiteFull Time
5+ YOEBachelor's in Chemistry/Biochemistry with 5+ years (or Master's with 3+ years, PhD with 2+ years); GMP/analytical development experience; knowledge of analytical methods and instrumentation.
HPLC, UPLC, LC-MS, GC-MS, FTIR, SDS-PAGE, ELISA, Western Blot, protein concentration assays, Karl Fischer titration, pH analysis, Empower, Chromeleon
3w
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Data Scientist 728
St. Louis, Missouri, United States
OnsiteFull Time
1+ YOEActive TS/SCI clearance, experience building statistical and ML models, geospatial and imagery data experience preferred, proficiency with Python and analytical toolchains, strong communication and requirements gathering skills.
Python, Pandas, NumPy, SciPy, Jupyter, SQL, PostgreSQL, PostGIS, Aurora, Oracle, Redis, Elasticache, AWS (S3, Athena, Glue, Lambda, ECS), Docker, GitLab CI/CD, Linux, GDAL, Rasterio, OGR, GeoPandas, ArcGIS, QGIS, Plotly, Matplotlib, Tableau, Microsoft Power BI
1mo
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Data Scientist
Clayton, Missouri, United States
HybridFull Time
2+ YOEMaster's in a statistical/mathematical field,2+ years building predictive models and deep learning,TensorFlow/PyTorch experience,proficiency in R or Python,authorized to work in US,reside in St. Louis area.
TensorFlow, PyTorch, R, Python, Linux/Unix, SQL
2mo
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Data Scientist
St. Louis or Brentwood or Richmond Heights or Clayton or Maplewood
HybridFull Time
2+ YOEMaster's in a statistical/mathematical field, 2+ years experience with predictive models/statistical inference/deep learning, proficiency in R or Python, experience with TensorFlow or PyTorch, authorized to work in the U.S., must reside in St. Louis area, presentation and security awareness skills.
TensorFlow, PyTorch, R, Python, Linux/Unix, SQL
3w
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Data Scientist
St. Louis, Missouri, United States
$88k-$123k/yr OnsiteFull Time
3+ YOEBachelor's degree and 3+ years in data science; experience with Python, SQL, ML/optimization models, cloud platforms and MLOps practices.
Python, SQL, scikit-learn, pandas, PySpark, NumPy, Azure, AWS, GCP, MLflow, Azure ML, SageMaker, Kubeflow, Databricks, Snowflake, LangChain, Semantic Kernel, vector databases
3mo
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Data Scientist
Falls Church or Fort Meade or Stuttgart or Tampa or Honolulu or Colorado Springs or Doral or Omaha or Scott Air Force Base
OnsiteFull Time
4+ YOE4+ years in data science or ML, proficient in Python/SQL, experience with Spark/Databricks, cloud data platforms; onsite DoD role.
Python, SQL, Spark, Databricks, PySpark, Tableau, Matplotlib, Plotly, MLflow, TensorFlow, scikit-learn, XGBoost
2w
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GEOINT Data Scientist (TS/SCI)
St Louis, Missouri, United States
OnsiteFull Time
Active TS/SCI clearance with CI poly ability; advanced degree or equivalent experience (Master's+5/BS+7/AS+8/10+ years); strong Python and SQL; ArcGIS familiarity; workflow automation and defensible analytic model experience.
Python, SQL, ArcGIS
1mo
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Senior AI Scientist
Arizona or Tempe or Missouri or St. Louis or United States
HybridFull Time
9+ YOE9+ years applied data science experience; MS required (PhD preferred) in a quantitative field; strong Python, SQL, Git, Databricks, CI/CD experience; expertise in statistical modeling, ML/GenAI/optimization; productionizing models and influencing stakeholders.
Python, SQL, Git, Databricks, CI/CD
1w
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Senior Data Scientist
Hazelwood, Missouri, United States
OnsiteFull Time
9+ YOEActive U.S. Secret clearance, Bachelor’s degree or equivalent,9 years data science experience, programming in Python/Julia/R/C/C++/C#/Java, experience leading teams, onsite at Hazelwood, up to 10% travel.
Python, Julia, R, C, C++, C#, Java, SQL, NoSQL, PyTorch, TensorFlow, ClearML, MLFlow, Azure, AWS
1mo
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Data Scientist I
St. Louis, Missouri, United States
$70k-$110k/yr OnsiteFull Time
1+ YOE1+ years professional experience with practical machine learning, generative AI/LLMs, applied statistics, Python, data visualization, strong communication, US citizenship and ability to maintain a US security clearance, Bachelor's in a STEM field.
Python, Esri software, GIS, IoT, large language models
1w
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Senior Data Scientist
Hazelwood, Missouri, United States
$162k-$220k/yr OnsiteFull Time
9+ YOEBachelor's in relevant field,9 years data science experience,active U.S. Secret security clearance,programming in Python/Julia/R/C/C++/C#/Java,team leadership,EMR not mentioned,technical assessment required.
Python, Julia, R, C, C++, C#, Java, SQL, NoSQL, PyTorch, TensorFlow, ClearML, MLFlow, Azure, AWS, LLMs
3w
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Senior Data Scientist
St. Louis, Missouri, United States
OnsiteFull Time
Active TS/SCI clearance, senior-level Python and data science experience supporting intelligence missions, scalable data pipeline and visualization skills, ability to operate independently and lead technical initiatives.
Python, JEMA, Brewlytics, ArcGIS ModelBuilder
3w
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Senior Data Scientist
Denver or St. Louis or Sterling or Springfield
$82k-$172k/yr OnsiteFull Time
8+ YOEBachelor's in related field,8+ years data science experience,expert Python or R,SQL proficiency,production ML deployment experience,and TS/SCI clearance with polygraph willingness.
Python, R, SQL
1w
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Senior Data Scientist
Saint Louis, Missouri, United States
$117k-$151k/yr HybridFull Time
6+ YOEMaster's in a quantitative field, 6+ years data science experience, proficiency with Python or R, ML libraries, advanced SQL, Microsoft SQL Server and Snowflake experience, strong communication; U.S. work authorization required.
Python, R, Scikit-Learn, XGBoost, TensorFlow, PyTorch, Microsoft SQL Server, Snowflake, SQL
2mo
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Senior Data Scientist
St. Louis, Missouri, United States
OnsiteFull Time
8+ YOE8 years data science/ML experience; hands-on Python and SQL; experience with A/B testing, causal ML/matching models/AutoML; strong statistical knowledge, problem-solving, and stakeholder communication.
Python, SQL, AutoML
2w
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Sr. Data Scientist
Hazelwood, Missouri, United States
$115k-$160k/yr OnsiteFull Time
5+ YOE5+ years experience in machine learning, statistics, image/signal analysis and Python or R; bachelor\u0002s required; EM algorithm design, experiment design, and problem-solving skills.
Python, R, Microsoft Outlook, Microsoft Teams, Microsoft Word, Microsoft Excel
3w
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Data Scientist - Mid
Denver or Springfield or Sterling or St. Louis
$69k-$142k/yr OnsiteFull Time
4+ YOEBachelor's in a quantitative field required, 4+ years data science experience, proficiency with Python or R and SQL, experience with statistical methods, data visualization, and TS/SCI clearance with polygraph.
Python, R, SQL, matplotlib, Tableau, ArcGIS, QGIS, GeoPandas, SAFe
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