160 junior scientist jobs at 54 companies in Crete, IL

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Senior Data Scientist
United States or Chicago
$125k-$145k/yr HybridFull Time
AArete
AArete: Global management and technology consulting firm serving healthcare, financial-services, public-sector, and other organizations with profitability, digital, and strategy services.
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
2mo
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Data Scientist II
Chicago, Illinois, United States
$70k-$110k/yr HybridFull Time
University of Chicago
University of Chicago: Private research university in Chicago.
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)
1mo
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Scientist I
Melrose Park, Illinois, United States
$30-$32/hr OnsiteFull Time
Fresenius Kabi
Fresenius Kabi: Global healthcare specializing in medicines and medical technologies.
1+ YOEB.S. in chemistry, biology, or related; 1+ years pharmaceutical analytical experience; hands-on chromatography (HPLC, Empower); familiarity with cGMP/FDA; EMR not mentioned.
HPLC, TLC, FTIR, pH, UV-Vis, Empower, Documentum, Microsoft Word, Microsoft Excel
3mo
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Medical Laboratory Scientist I
Wood Dale, Illinois, United States
$26-$44/hr OnsiteFull Time
Quest Diagnostics
Quest DiagnosticsNYSE: DGX: Leading provider of diagnostic information services.
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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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
DoorDash
DoorDashNYSE: DASH: Technology enabling local on-demand delivery and commerce.
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
13h
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Data Scientist
Chicago, Illinois, United States
$97k-$138k/yr HybridFull Time
AECOM
AECOMNYSE: ACM: Global infrastructure consulting and professional services firm.
1+ YOEBachelor's degree and 3 years of data science or related experience, or master's degree and 1 year. Requires AI/ML, statistical modeling, programming, cloud, MLOps, and visualization experience.
Microsoft Excel, Microsoft Access, Microsoft Word, Microsoft PowerPoint, Microsoft Teams, Microsoft SharePoint, Python, R, SQL, C++, JavaScript, AWS, Azure, GCP, Docker, Power BI, Tableau, Looker
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Data Scientist
Chicago or Miami
$90k-$130k/yr RemoteFull Time
NinjaHoldings
NinjaHoldings: Private fintech providing digital lending, banking, and cash-flow analytics to underserved American consumers and lenders.
2+ YOEBachelor's degree, 2+ years data analytics/statistical modeling experience, proficiency with SQL and Python, experience with relational databases, strong quantitative and communication skills.
SQL, Python
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Food Scientist
Itasca, Illinois, United States
OnsiteFull Time
Ajinomoto Health & Nutrition North America, Inc.
Ajinomoto Health & Nutrition North America, Inc.Tokyo Stock Exchange: 2802: Public Japanese food, amino-acid, healthcare, and electronic-materials manufacturer serving consumers and industrial customers worldwide.
No qualifications or requirements provided in the posting.
1d
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Physical Scientist
Nogales or Tucson or Long Beach or San Francisco or San Ysidro or Miami or Savannah or Honolulu or Chicago or New Orleans or Newark or Guaynabo or Memphis or Donna or El Paso or Houston or Laredo or Ashburn or Blaine
$106k-$138k/yr OnsiteFull Time
United States Customs and Border Protection
United States Customs and Border Protection: U.S. federal border-security, customs, immigration, and agricultural-protection agency serving travelers, trade, and the American public.
1+ YOEPhysical science, engineering, or mathematics degree with 24 semester hours in relevant science, plus 1 year of specialized GS-12-equivalent experience conducting complex analyses and evaluating laboratory methods.
USA Hire, Microsoft Office 365, Thrift Savings Plan
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Data Scientist
Alpharetta or Austin or Birmingham or Boston or Chicago or Dallas
$94k-$155k/yr HybridFull Time
Kemper
KemperNYSE: KMPR: Specialized insurance provider for individuals and businesses.
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
1d
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Physical Scientist
Lakewood or Salt Lake City or Seattle or Phoenix or Los Angeles or San Francisco or Denver or Washington or Miami or Atlanta or Chicago or Indianapolis or New Orleans or Boston or Minneapolis or Kansas City or Albuquerque or New York or Oklahoma City or Portland or Austin
$126k-$164k/yr OnsiteFull Time
Department of the Interior
Department of the Interior: The Department of the Interior manages federal public lands, minerals, parks, wildlife, and tribal trust responsibilities.
1+ YOEPhysical science, engineering, or mathematics degree with 24 physical science credits, plus one year of GS-13-equivalent specialized experience in mineral valuation, analysis, instruction, and presentations.
ArcGIS, USA Hire, E-Verify, Microsoft Outlook
1w
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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
Jerry
Jerry: AI-powered insurance brokerage and car-care app helping American drivers compare coverage, maintain vehicles, and drive safely.
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
10h
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Laboratory Scientist
Des Plaines, Illinois, United States
$51k-$58k/yr OnsiteFull Time
Bion Enterprises
Bion Enterprises: American manufacturer of immunofluorescence diagnostic reagents for clinical laboratories.
2+ YOEBachelor's degree in life sciences or a related field; two years of clinical laboratory experience preferred. Requires laboratory procedures, equipment operation, troubleshooting, organization, and English communication skills.
FDA, ISO, CMDR, EU, MHLW, ANVISA, MDSAP
1d
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Data Scientist
Minneapolis or Denver or Chicago or Seattle or Portland or Washington
$92k-$139k/yr OnsiteFull Time
Mortenson
Mortenson: US-based construction and real estate development firm.
1+ YOEBachelor's degree in a quantitative discipline, 1–4 years of data science experience, proficiency in data mining, predictive modeling, statistical analysis, SQL, Python or R, and experience with Fabric and Power BI.
SQL, Python, R, Fabric, Power BI, Salesforce, Oracle
2w
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Data Scientist
Lemont, Illinois, United States
$94k-$147k/yr OnsiteFull Time
Argonne National Laboratory
Argonne National Laboratory: Federally funded U.S. Department of Energy research laboratory conducting basic and applied science and engineering for national priorities.
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
3w
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Environmental Scientist
East Chicago, Indiana, United States
$23-$40/hr FieldFull Time
Parsons
ParsonsNYSE: PSN: Technology and engineering solutions for defense and infrastructure.
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)
2mo
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Scientist, Quality – Food Safety
Glenview, Illinois, United States
$78k-$97k/yr OnsiteFull Time
The Kraft Heinz Company
The Kraft Heinz CompanyNASDAQ: KHC: Multinational food and beverage with iconic global brands.
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
1w
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Environmental Scientist I
Chicago, Illinois, United States
$52k-$75k/yr FieldFull Time
TRC Companies
TRC Companies: Engineering, consulting, and construction firm for energy and infrastructure.
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
3w
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Research Scientist II
Chicago, Illinois, United States
$83k-$138k/yr OnsiteFull Time
Shirley Ryan AbilityLab
Shirley Ryan AbilityLab: Translational research hospital for physical medicine and rehabilitation.
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.
1mo
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Application Scientist I
Saint Louis or Hoffman Estates or Milwaukee
OnsiteFull Time
Sensient Pharmaceutical
Sensient PharmaceuticalNYSE: SXT: Public U.S. manufacturer of colors, flavors, and specialty ingredients serving food, beverage, pharmaceutical, personal-care, and industrial customers.
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.

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