9 scientist i jobs at 8 companies in Union, MO
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
4w
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Application Scientist I
Saint Louis or Hoffman Estates or Milwaukee
OnsiteFull Time
B.S. or higher in food science/chemistry/chemical engineering/pharmacy/biological sciences; 1–3 years NPD or technical-ingredient experience preferred; strong communication and analytical skills.
1w
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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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Medical Laboratory Scientist I
Saint Louis, Missouri, United States
$26/hr OnsiteFull Time
Degree in medical technology/chemistry/biology or associate in lab science preferred; 1 year high-complexity clinical experience preferred; must follow CLIA, HIPAA, and OSHA procedures for specimen testing and reporting.
2mo
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Sr. Project Scientist
St. Louis, Missouri, United States
$60k-$80k/yr OnsiteFull Time
5+ YOE5-15 years in Phase I ESA and PCA; BS in a related field; valid driver's license; travel ~25%; strong reporting and QA/QC.
1d
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New Grad Scientist I - Summer 2027 - Central Division (For Current/Returning HNTB Interns Only)
Dallas or New Orleans or Plano or Kansas City or Round Rock or Houston or El Paso or San Antonio or Des Moines or St. Louis or Fort Worth or Oklahoma City or Overland Park or Baton Rouge or Little Rock or Austin
FieldFull Time, Internship
Bachelor's degree in geology, biology, ecology, environmental science, archeology, anthropology, or a related field. Requires accurate data analysis, field survey support, scientific research, and safety practices.
1d
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New Grad Scientist I - Summer 2027 - Central Division (For Current/Returning HNTB Interns Only)
Dallas or New Orleans or Plano or Kansas City or Round Rock or Houston or El Paso or San Antonio or Des Moines or St. Louis or Fort Worth or Oklahoma City or Overland Park or Baton Rouge or Little Rock or Austin
OnsiteFull Time
Bachelor's degree in geology, biology, ecology, environmental science, archeology, anthropology, or a related field. Current or previous HNTB internship experience preferred.
2w
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Scientist I Analytical Chemist
Saint Charles, Missouri, United States
OnsiteFull Time
1+ YOEExperience with LC-MS/LC-UV for ADME/DMPK, method development, bioanalytical validation, quality management, lab instrumentation maintenance, and small-team project leadership.
LC-MS, LC-UV, Sciex, Waters
2w
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MT/MLS I - Microbiology
Saint Louis, Missouri, United States
$25-$41/hr OnsiteFull Time
0+ YOEBachelor's in physical/life science required; understands QC, instrument maintenance, routine specimen testing; <2 years lab experience preferred; strong attention to quality and timeliness.