357 scientist jobs at 139 companies in Gary, IN

5d
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Sr. Scientist (Extractable & Leachable)
Melrose Park or Chicago or Illinois
$90k-$100k/yr OnsiteFull Time
Fresenius Kabi
Fresenius Kabi: Provides lifesaving medicines and technologies for clinical care.
1+ YOEExperience in extractables/leachables and mass spectrometry, method development/validation in a cGMP environment, regulatory knowledge (USP/ISO/21 CFR), ability to lead projects and train scientists.
GC/MS, HR-LC/MS, HS-GC/MS, GC-MS, LC/MS, ICP/MS, mass spectrometry
3mo
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Staff Data Scientist
Chicago, Illinois, United States
$161k-$239k/yr HybridFull Time
PayPal
PayPalNASDAQ: PYPL: Global digital payments platform for consumers and merchants.
5+ YOE5+ years relevant experience, Bachelor's degree or equivalent, designing and implementing advanced data science models, stakeholder collaboration, ensuring data quality, and mentoring junior scientists.
1mo
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Senior Data Scientist
United States or Chicago
$125k-$145k/yr HybridFull Time
AArete
AArete: Strategic profitability and digital transformation consulting 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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Sr. Data Scientist, Translational Research
Chicago or Redwood City or New York City
$100k-$175k/yr RemoteFull Time
Tempus AI
Tempus AINASDAQ: TEM: Builds a data platform for AI-powered precision medicine diagnostics.
Senior data scientist with advanced degree, experience in large biomedical datasets, ML, Python/R, cloud, and AI-enabled workflows.
Python, R, AWS, GCP, Docker, Git, Linux, Jupyter, Pandas, NumPy, SciPy, Scikit-learn, GitHub Copilot, Plotly, Flask, Dask
1mo
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Lead Insurance Data Scientist
San Ramon or Atlanta or Chicago or Dallas or New York or Summit
$100k-$150k/yr HybridFull Time
EPIC Insurance Brokers & Consultants
EPIC Insurance Brokers & Consultants: Provides insurance brokerage and risk management consulting services.
3+ YOEBachelor's degree (or equivalent), 3+ years data analyst/scientist experience in an insurance brokerage, proficiency with Python, SQL, Microsoft Excel, Tableau, Power BI, Databricks, strong communication and analytical skills.
Python, SQL, Microsoft Excel, Tableau, Power BI, Databricks, Azure Databricks
2w
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Staff Scientist
Chicago, Illinois, United States
$70k-$90k/yr HybridFull Time
University of Chicago
University of Chicago: Provides higher education and conducts academic research.
2+ YOEPhD required,2+ years related research experience,expertise in translational biomedical research,preclinical animal models,tissue processing,regulatory compliance,and grant and manuscript preparation.
2mo
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Senior Scientist
Pasadena or Sudbury or Chicago or Tampa or Phoenix
$105k-$120k/yr HybridFull Time
Advocates for Human Potential
Advocates for Human Potential: Provides consulting and research services for human services systems.
5+ YOEPh.D.,5+ years leading evaluation-focused proposals and projects, expertise in substance use/rural health/criminal justice, experience with federal contracts and SAMHSA data tools.
Stata, REDCap, Dedoose, Microsoft Word, Microsoft Outlook, Microsoft PowerPoint, Microsoft Excel, citation management software
2mo
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Senior Staff Data Scientist
New York or Chicago or Denver
$216k-$250k/yr HybridFull Time
Grubhub
Grubhub: Global on-demand food delivery platform powering restaurant commerce and delivery.
8+ YOE8+ years in data science with MS or 6+ years with PhD; expertise in causal inference, experimentation; proficient in Python and SQL; production ML experience; mentoring data scientists.
Python, SQL, Data Visualization, Object-Oriented Programming, Machine Learning
3mo
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Medical Laboratory Scientist I
Wood Dale, Illinois, United States
$26-$44/hr OnsiteFull Time
Quest Diagnostics
Quest DiagnosticsNYSE: DGX: Provides clinical laboratory diagnostic testing and health 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
2mo
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Food Innovation Scientist (Food & Beverage Manufacturing)
Westmont, Illinois, United States
$85k-$95k/yr OnsiteFull Time
Baldwin Richardson Foods
Baldwin Richardson Foods: Manufacturer of custom liquid food ingredients and sauces.
4+ YOEBachelor's in Food Science (required), 4+ years food scientist/technologist experience, experience from concept through commercialization, sauces/fillings experience preferred.
1w
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Principal Scientist
Wood Dale, Illinois, United States
OnsiteFull Time
Chem-Impex
Chem-Impex: Manufacturing and distributing laboratory chemicals for life science research.
Advanced degree (PhD or MS) in Chemistry/Biochemistry, hands-on peptide synthesis and SPPS experience, ability to translate technical insight into commercial products, presentation and customer engagement experience, willingness to travel.
5d
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Food Scientist
Alsip, Illinois, United States
$80k-$100k/yr HybridFull Time
Griffith Foods
Griffith Foods: Manufacturer of custom food ingredients, seasonings, and coating systems.
3+ YOEBachelor's in food/chemical/biological science, 3+ years R&D (or 5+ years quality systems) in food industry, able to taste allergens, willing to work onsite 3-4 days/week, up to 10% travel.
1w
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Research Scientist
Chicago, Illinois, United States
$95k-$120k/yr OnsiteFull Time
fairlife
fairlifeNYSE: KO: Produces nutrient-dense and ultra-filtered dairy products and shakes.
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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Research Scientist
Chicago, Illinois, United States
$150k-$188k/yr OnsiteFull Time
IBM
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
Doctorate required; experience developing/analyzing quantum algorithms, quantum machine learning, hybrid quantum-classical workflows, implementing research code and Qiskit, and running demonstrations on quantum processors.
Qiskit, Python, NumPy, SciPy, Matplotlib, Git, GitHub
1mo
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Data Scientist
Rosemont, Illinois, United States
$99k-$124k/yr OnsiteFull Time
Reyes Holdings
Reyes Holdings: Global distributor of food and beverage products.
3+ YOEBachelor's in Data Science or related and 3-5 years (or HS + 6-8 yrs); experience with ML/NLP, PyTorch, TensorFlow, MLflow, Caffe, SQL, Snowflake, Databricks, Azure ML; strong stats and distributed computing knowledge.
PyTorch, TensorFlow, MLflow, Caffe, SQL, Snowflake, Databricks, Azure ML
2d
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Data Scientist
Wood Dale or Chicago
$115k-$130k/yr OnsiteFull Time
AAR
AARNYSE: AIR: Provides aftermarket products and services to global aviation customers.
3+ YOEBuild and deploy scalable ML models for market sizing, forecasting, and opportunity identification; strong statistics, Python and SQL skills; 3+ years data science experience; BS required, MS preferred.
Python, SQL, scikit-learn, pandas, numpy, AWS, Azure, Spark
2mo
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Data Scientist
Bolingbrook, Illinois, United States
$103k-$130k/yr OnsiteFull Time
Ulta Beauty
Ulta BeautyNASDAQ: ULTA: Largest US beauty retailer selling cosmetics and salon services.
2+ YOE2+ years in data science/ML analytics; advanced quantitative degree; Python proficiency; ML pipeline experience; strong communication; team and independent work ability.
Python, Scikit-Learn, NumPy, SciPy, Databricks, GCP, Git, Airflow, MLflow, Jenkins, PySpark, Spark ML, TensorFlow, Torch
4d
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Data Scientist
New York City or Chicago or Boston or San Francisco or Palo Alto or Toronto
$130k-$150k/yr RemoteFull Time
Jerry
Jerry: Mobile app for car insurance comparison and vehicle management.
2+ YOE2+ years at consulting, investment bank, or high-growth tech; strong analytics; comfortable with SQL or Python; clear communicator; ability to own ambiguous problems and drive impact.
SQL (Clickhouse), Metabase, Python, Jupyter Hub, GitHub
1mo
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Data Scientist
Chicago or Miami
$90k-$130k/yr RemoteFull Time
NinjaHoldings
NinjaHoldings: Provides digital banking, lending, and underwriting analytics platforms.
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
3w
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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: Provides specialized auto, life, and health insurance services.
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