123 junior scientist jobs at 43 companies in Missouri
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Environmental Scientist - Junior to Mid-Level
Kansas City or Iowa or Nebraska or Kansas or Missouri or United States
OnsiteFull Time
2+ YOEBachelor's in natural sciences or engineering, 40-hour HAZWOPER + 8-hour refresher (or provided), 2-4+ years environmental consulting experience, proficiency with Microsoft Word and Excel, valid driver's license, pass background and motor vehicle checks.
Microsoft Word, Microsoft Excel
3mo
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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
4d
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Supervisory Clinical Laboratory Scientist
Kansas City, Missouri, United States
$155k-$202k/yr OnsiteFull Time
1+ YOEBachelor's degree, recognized clinical laboratory scientist certification, one year of equivalent experience, supervisory, laboratory quality, regulatory, technical, interpersonal, and fiscal management skills.
Clinical Resume Document, USAJOBS, occupational questionnaire
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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)
3w
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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.
1w
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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
1w
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Senior Scientist
St. Louis, Missouri, United States
$106k-$158k/yr OnsiteFull Time
0+ YOERequires chemistry degree and 0–7+ years of relevant experience depending on education, advanced LC-MS instrumentation, biomolecule sample preparation, and effective independent and team communication.
LC-MS, Multiple Reaction Monitoring (MRM), Parallel Reaction Monitoring (PRM), UNIFI, BioPharma Finder, Mascot, ScaffoldPro, Thermo, Sciex, Waters, Agilent, MALDI-MS
2w
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Field/Staff Scientist
Saint Louis or Columbia
OnsiteFull Time
1+ YOEBachelor's in environmental science/geology, 1+ years' related experience, Phase I ESA knowledge, project management, data analysis skills, valid driver's license, strong written/verbal communication.
1mo
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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
3w
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HPLC Scientist
St. Louis or Chesterfield
OnsiteFull Time
Authorization to work in the US, experience with HPLC/SEC and gel-based assays, Bachelors or Masters in biological or chemical science, familiarity with lab documentation and attention to detail.
HPLC, SEC, UV-Vis, SOLO VPE, SDS Page, AGE, Western Blotting, CGE, Empower, OpenLabs
5d
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Data Scientist
Chesterfield, Missouri, United States
OnsiteFull Time
2+ YOERequires an MS in a quantitative field, 2+ years of data science experience, expert Python, strong SQL, and knowledge of statistics, econometrics, and machine learning. Five-plus years preferred.
Python, pandas, NumPy, scikit-learn, statsmodels, TensorFlow, SQL, Google Cloud Platform, AWS
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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
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Environmental Scientist
Poplar Bluff, Missouri, United States
$40k-$55k/yr FieldFull Time
Undergraduate degree in geology/environmental science or related, valid driver\u0002s license, U.S. citizenship, proficiency with Microsoft Office; 40-hour HAZWOPER and confined space preferred; 1-5 years remediation experience preferred.
Microsoft Office
4d
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Data Scientist
St. Louis or United States
RemoteFull Time
2+ YOEMaster's degree in a statistical or mathematical field, 2+ years in predictive modeling, statistical inference, and deep learning, TensorFlow or PyTorch, R or Python, and presentation experience.
TensorFlow, PyTorch, R, Python, Linux/Unix, SQL
1w
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Physical Scientist
Norman or College Park or Kansas City or Bohemia
$106k-$163k/yr OnsiteFull Time
1+ YOEDegree in physical science, engineering, or mathematics with 24 semester hours in relevant science, plus one year of GS-12-equivalent specialized experience in weather data, Linux software, and scientific collaboration.
Linux, High-Performance Computing (HPC), Linux Virtual Machines (VM), USA Hire, USAJOBS, Microsoft Resume Builder
2w
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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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Environmental Scientist - Junior to Mid-Level in Kansas City, Missouri, United States
Kansas City, Missouri, United States
OnsiteFull Time
2+ YOEBachelor's in natural science or engineering, 2+ years environmental consulting experience, HAZWOPER 40-hour + 8-hour refresher, valid driver's license and clean MVR, ability to lift 50 lb, respirator fit/medical monitoring, proficiency with Microsoft Word and Excel.
Microsoft Word, Microsoft Excel
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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
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Data Scientist (Remote)
Oak Brook or Alabama or Arizona or Florida or Georgia or Iowa or Illinois or Indiana or Michigan or Minnesota or Missouri or North Carolina or Nebraska or Pennsylvania or South Carolina or Tennessee or Texas or Utah or Virginia or West Virginia
$92k-$102k/yr RemoteFull Time
1+ YOE1+ years data science/statistics experience, bachelor’s degree in a quantitative field preferred, strong programming and analytical skills, proficiency in Microsoft Excel/Word/Outlook, Salesforce preferred, strong communication.
Microsoft Excel, Microsoft Word, Microsoft Outlook, Salesforce CRM
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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
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