160 scientist jobs at 59 companies in O'Fallon, MO
2mo
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Scientist, Bioinformatics
St. Louis or United States
$96k-$154k/yr RemoteFull Time
PhD in bioinformatics with strong Python skills, experience designing reusable analysis pipelines, ML/DL applied to imaging or single-cell data, and ability to communicate with wet-lab scientists.
Python, R, MATLAB
1mo
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Scientist, Bioinformatics
St. Louis or United States
$87k-$154k/yr OnsiteFull Time
PhD in bioinformatics or related field, strong Python skills, experience with ML/deep learning applied to imaging or single-cell data, ability to design reusable analysis pipelines and communicate with wet-lab scientists.
Python, R, MATLAB, CellScapeTM
2mo
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Clinical Lab Scientist
Fenton, Missouri, United States
OnsitePart Time
PRN/part-time clinical lab scientist; weekend day shifts; requires CLS/ASCP-credentialing; associate degree; no experience required.
Sysmex hematology, Stago Compact Max, Abbott Alinity, Grifols Erytra, Laboratory instrumentation, PACS/Lab Information System
1w
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Scientist
St. Louis, Missouri, United States
$60k-$85k/yr OnsiteFull Time
5+ YOEB.S. in relevant field with 5+ years drug discovery experience (M.S. preferred), proficiency in assay design/execution, strong documentation, critical thinking, and communication skills.
qRT-PCR, ELISA, Western blots, flow cytometry, bioinformatics
3w
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Senior Scientist
Lenexa or Topeka or Manhattan or Wichita or Columbia or Saint Louis
OnsiteFull Time
8+ YOEBachelor's or Master's in environmental science/geology,8+ years environmental consulting experience focused on building sciences,project management and technical assessment skills,valid driver's license,and willingness to travel for field work.
1mo
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Sr. Scientist
Hazelwood, Missouri, United States
$83k-$107k/yr OnsiteFull Time
2+ YOEBachelor's in biology/chemistry/biomedical/biochemistry, 2 years' experience with design/transfer/industrialization and blood culture/AST; lab techniques, protocol writing, and data analysis; experience with VITEK 2 and broth micro-dilution preferred.
VITEK 2, analytical balance, pH meter, Outlook, Teams, Microsoft Word, Microsoft Excel
2w
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Scientist 1
Hazelwood, Missouri, United States
$18/hr OnsiteFull Time
Bachelor's in chemistry/biochemistry or equivalent education/experience; ability to work in a lab standing for long periods, use PPE; training provided.
1mo
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Sr. Scientist
Hazelwood, Missouri, United States
$83k-$107k/yr OnsiteFull Time
2+ YOEBachelor's in biology/chemistry/biomedical/biochemistry, 2 years' experience with design and transfer/industrialization and blood culture AST, lab skills (balances, pH meters), VITEK 2/broth micro-dilution experience preferred, EMR/IMS tools and strong communication.
analytical balance, pH meters, VITEK 2, Microsoft Outlook, Microsoft Teams, Microsoft Word, Microsoft Excel
4d
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Scientist II
St. Louis, Missouri, United States
OnsiteFull Time
2+ YOEDegree in chemistry/biochemistry (BS/MS/PhD) with 2+ years industry experience (PhD 2+/MS 3+/BS 5+), GMP analytical method development/validation experience, chromatography and biochemical technique proficiency, Empower/Chromeleon familiarity.
HPLC, UPLC, LC-MS, GC-MS, FTIR, SDS-PAGE, ELISA, Western Blot, Karl Fischer titration, Empower, Chromeleon
15h
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Senior Scientist
St. Louis, Missouri, United States
$106k-$158k/yr OnsiteFull Time
5+ YOERequires a chemistry-related BS with 5–7+ years, master's with 3–5+ years, or PhD with 0–1+ years; advanced LC-MS, biomolecule sample preparation, and collaborative communication skills.
LC-MS, Multiple Reaction Monitoring (MRM), Parallel Reaction Monitoring (PRM), UNIFI, BioPharma Finder, Mascot, Scaffold, Thermo, Sciex, Waters, Agilent, MALDI-MS
1mo
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Senior Scientist - Neurology
St. Louis, Missouri, United States
$63k-$115k/yr OnsiteFull Time
3+ YOEPhD or terminal degree (or equivalent), ~3 years postdoctoral experience, expertise in cellular/molecular/neurodegeneration techniques, mentoring, grant and manuscript contributions, and laboratory safety compliance.
3w
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R&D Scientist
Affton, Missouri, United States
OnsiteFull Time
1+ YOEBachelor's in food science or related, 1–3 years R&D or food manufacturing experience preferred, laboratory and pilot-plant skills, Microsoft Office proficiency, able to lift 45 lb, domestic travel up to 10%.
Microsoft Word, Microsoft Excel, Microsoft Outlook
2d
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Associate Scientist II
Saint Charles, Missouri, United States
OnsiteFull Time
1+ YOEB.A./B.S. with 2 years relevant experience or M.A./M.S. with 1 year; experience with in vitro assays, HPLC, GC-MS, ELISA, cell culture, automation/HTS, GLP/cGMP documentation, and lab equipment; US work authorization required.
HPLC, GC, Mass Spectrometry, ELISA, High Content Imaging, Electrophysiology, Flow Cytometry, Automation, Robotics, HTS
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
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
3w
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Research Scientist
St. Louis, Missouri, United States
OnsiteFull Time
0+ YOEBS/MS in chemistry/biochemistry, bioanalytical experience (sample prep, LC-MS/MS, method development), GLP/GMP knowledge, troubleshooting, documentation, and strong communication and problem-solving skills.
LC-MS/MS
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
1w
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Associate Scientist
St. Louis, Missouri, United States
OnsiteFull Time
0+ YOEBachelor's in chemistry or related, 0–4 years' lab or pharmaceutical/CDMO experience, experience with UV-Vis/FTIR/HPLC/GC/AA/titration, cGMP familiarity, strong communication and documentation skills.
UV-Vis, FTIR, HPLC, GC, Titration, AA, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
1mo
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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
1mo
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Formulation & Process Development Senior Scientist
Bridgeton, Missouri, United States
OnsiteFull Time
5+ YOEBS in chemistry/pharmaceutical science/chemical engineering or higher; 5+ years pharmaceutical experience desired; expertise in formulation and process development, DOE/QbD, cGMP/GLP/GCP, technology transfer, stability testing, and mentoring junior scientists.
Quality by Design (QbD), Design of Experiments (DOE)
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