192 junior scientist jobs at 62 companies in Ashburn, IL
2mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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)
4w
Save
Mark Applied
Hide
Scientist I
Melrose Park, Illinois, United States
$30-$32/hr OnsiteFull Time
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
22h
Save
Mark Applied
Hide
Scientist, Chemistry
North Chicago, Illinois, United States
$75k-$143k/yr OnsiteFull Time
2+ YOEBachelor's degree with typically 5 years of experience or master's degree with typically 2 years; expertise in synthetic organic chemistry, purification, spectral analysis, problem solving, and communication.
GxP
3mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
13h
Save
Mark Applied
Hide
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
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
1mo
Save
Mark Applied
Hide
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
16h
Save
Mark Applied
Hide
Data Scientist
Minneapolis or Denver or Chicago or Seattle or Portland or Washington
$92k-$139k/yr OnsiteFull Time
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
4d
Save
Mark Applied
Hide
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
1d
Save
Mark Applied
Hide
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
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
2mo
Save
Mark Applied
Hide
Data Scientist
Chicago or Miami
$90k-$130k/yr RemoteFull Time
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
1mo
Save
Mark Applied
Hide
Food Scientist
Itasca, Illinois, United States
OnsiteFull Time
No qualifications or requirements provided in the posting.
6d
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
4w
Save
Mark Applied
Hide
Associate Environmental Scientist
Hoffman Estates, Illinois, United States
$57k-$69k/yr OnsiteFull Time
Bachelor’s degree in Chemistry or related field; waste-approval and TSD facility experience; knowledge of DOT, RCRA, hazardous-waste, used-oil, and state regulations; technical writing and stakeholder communication skills.
Microsoft Office, Microsoft Excel, iPhone, SQL, CCMS, Waste Linq
Explore Jobs