178 junior scientist jobs at 57 companies in Oak Brook, IL
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Senior Data Scientist
United States or Chicago
$125k-$145k/yr HybridFull Time
6+ YOE6+ years experience, bachelor’s in a quantitative field required (advanced degree preferred). Strong Python and SQL skills, experience with AI/ML, generative and agentic AI, BI tools, and ability to lead projects and mentor junior data scientists.
Python, SQL, Tableau, Microsoft Power BI, Claude Code, GitHub Copilot, Amazon SageMaker, Amazon Bedrock, AWS Lambda, AWS Glue, Amazon S3, Amazon Redshift, Snowflake
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Data Scientist II
Chicago, Illinois, United States
$70k-$110k/yr HybridFull Time
2+ YOECollege degree required, 2+ years related experience (2-5 years preferred). Skilled in advanced analytics, forecasting, ML, BI/visualization, stakeholder consultation, and mentoring junior analysts.
Epic/Cogito, Clarity, SlicerDicer, Reporting Workbench, Tableau, Power BI, Python, R, SAS, Alteryx, Business Intelligence (BI)
3w
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Scientist I
Melrose Park, Illinois, United States
$30-$32/hr OnsiteFull Time
1+ YOEB.S. in chemistry/biology or related,1+ years pharmaceutical experience,knowledge of cGMP/FDA regulations,chromatographic methods and Empower,Chemistry instrumentation experience,Microsoft Office proficiency.
HPLC, TLC, FTIR, UV-Vis, Empower, Documentum, Microsoft Word, Microsoft Excel
3w
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Scientist 1
McHenry, Illinois, United States
$18/hr OnsiteFull Time
Perform laboratory analyses (GC,HPLC,ICP), document and review results, maintain and calibrate instruments; bachelor's in STEM or equivalent; ability to stand, use PPE; overtime and on-call required.
GC, HPLC, ICP
3mo
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Medical Laboratory Scientist I
Wood Dale, Illinois, United States
$26-$44/hr OnsiteFull Time
1+ YOEBS in Medical Technology or BS/BA in Chemistry or Biology; Associates in Laboratory Science; 1 year clinical experience preferred; MLS/Medical Laboratory Scientist certifications as applicable.
Laboratory instrumentation, Proficiency testing, CLIA guidelines, HIPAA, OSHA
3w
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Scientist I (55474)
Libertyville, Illinois, United States
$64k-$83k/yr OnsiteFull Time
B.S. in a technical discipline, strong math/statistics skills, proficiency with MS Office, knowledge of quality systems and GDP, ability to perform dosimetry and validation activities.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Operations Data Management System
3w
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Data Scientist / Senior Data Scientist
San Francisco or Seattle or New York City or Los Angeles or Chicago or Austin or Washington
$124k-$271k/yr OnsiteFull Time
2+ YOEBachelor's degree in a quantitative field, 2+ years in analytics or consulting, and expertise in SQL, ETL, A/B testing, statistical analysis, and visualization tools.
SQL, R, Python, Matlab, SAS, Chartio, Looker, Tableau, Gem, Covey
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Food Scientist
Itasca, Illinois, United States
OnsiteFull Time
No qualifications or requirements provided in the posting.
1mo
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Innovation Scientist
Hoffman Estates, Illinois, United States
$70k-$85k/yr OnsiteFull Time
1+ YOEBachelor's degree in a relevant science,1+ years lab experience,fermentation and HPLC experience,strong lab technique,data documentation,team communication.
HPLC
3w
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Research Scientist
Chicago, Illinois, United States
$95k-$120k/yr OnsiteFull Time
1+ YOEMSc or PhD in dairy/food science or related field, 1–5 years dairy/food research experience, expertise in dairy chemistry, rheology, chromatography, particle analysis, technical writing, and pilot-plant scale-up.
1mo
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Data Scientist
Alpharetta or Austin or Birmingham or Boston or Chicago or Dallas
$94k-$155k/yr HybridFull Time
2+ YOEGraduate degree in quantitative field, Python and ML libraries, modeling techniques, AWS/NLP/LLM experience preferred, ability to work with varied data formats, and 2+ years data science experience preferred.
Python, scikit-learn, pandas, numpy, scipy, AWS, JSON, LLMs
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Data Scientist
New York City or Chicago or Boston or California or Palo Alto or Toronto or Arizona or Colorado or Florida or Georgia or North Carolina or New Jersey or Nevada or Oregon or Tennessee or Texas or Utah or Virginia or Ontario
$140k-$160k/yr RemoteFull Time
2+ YOERequires 2+ years in consulting, investment banking, or high-growth technology; strong analytical skills; independent data interpretation; ambiguous-problem ownership; and persuasive leadership-level communication.
SQL, ClickHouse, Metabase, Python, JupyterHub, GitHub
1d
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Data Scientist
Deerfield, Illinois, United States
$99k-$158k/yr OnsiteFull Time
2+ YOEBachelor's degree plus 2+ years in quantitative or computational functions, or a relevant graduate degree; SQL, data science, advanced analytics or statistics experience; Python, R, or Spark knowledge; travel up to 10%.
SQL, Python, R, Spark
2w
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Data Scientist
Lemont, Illinois, United States
$94k-$147k/yr OnsiteFull Time
0+ YOEGraduate degree in physics or physical chemistry, advanced statistical analysis experience, machine learning familiarity, Python and R programming, nuclear physics and gamma spectroscopy familiarity, and U.S. citizenship.
Python, R
2w
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Environmental Scientist
East Chicago, Indiana, United States
$23-$40/hr FieldFull Time
0+ YOEBachelor's degree in a related science, 0+ years of experience, strong technical writing and communication, data visualization, PPE knowledge, clean driving record, and ability to work outdoors in extreme weather.
Personal Protective Equipment (PPE)
1mo
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Scientist, Quality – Food Safety
Glenview, Illinois, United States
$78k-$97k/yr OnsiteFull Time
2+ YOEBachelor's in Food Science or Microbiology required, 2+ years food safety/product development experience, HACCP knowledge (certification preferred), microbiology lab experience, familiarity with ISO and Six Sigma, strong communication and project skills.
HACCP, ISO, Six Sigma
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Senior Fermentation Scientist - Sumitomo Biorational Company
Libertyville, Illinois, United States
$124k-$145k/yr OnsiteFull Time
Develop and scale upstream fermentation processes for bacterial and fungal strains; mentor junior staff; operate lab and pilot bioreactors; analyze fermentation data; follow safety and SOPs.
Microsoft Office 365, statistical analysis software
2w
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Research Scientist II
Chicago, Illinois, United States
$83k-$138k/yr OnsiteFull Time
2+ YOEPh.D. in a scientific discipline, postdoctoral fellowship, and at least 2 years of related postdoctoral experience. Requires expertise in scientific research, measurement, statistics, grant writing, collaboration, and independent analysis.
1w
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Environmental Scientist I
Chicago, Illinois, United States
$52k-$75k/yr FieldFull Time
1+ YOEBachelor's degree in geology, environmental science, or related field; 1–5 years of environmental consulting experience; 40-hour HAZWOPER; valid driver's license; strong writing, analysis, QA/QC, and project management skills.
Microsoft Office, NPDES, SWPPP, SPCC, Phase I ESAs
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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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