Research Scientist Jobs in Ontario

• Fuel Research Scientist

  Canadian Nuclear Laboratories

  • Chalk River, ON

  Are you looking for a role that will challenge you and allow you to develop and assess advanced nuclear fuels, materials, and fuel cycles that support next‑generation reactor techn…

• Senior Data Scientist - Operations Research

  McKesson

  • Mississauga, ON

  • $99,100-165,100 per year

  McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality c…

• Staff Research Scientist (AI for Self-Driving Labs, 2-year Term)

  University of Toronto

  • Toronto, ON

  • $53,520-100,350 per year

  Date Posted: 03/30/2026 Req ID: 47008 Faculty/Division: Faculty of Arts & Science Department: Acceleration Consortium Campus: St. George (Downtown Toronto) Description: The…

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  • Research Scientist Jobs in Toronto, ON
  • Jobs in Toronto, ON

• Fundamental AI Research Scientist - Toronto, Ontario

  AstraZeneca

  • Mississauga, ON

  • $114,334-150,063 per year

  Are you passionate about fundamental artificial intelligence research to address real-world science applications? Does building novel AI solutions from first principles that contri…

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  • Research Scientist Jobs in Mississauga, ON
  • Jobs in Mississauga, ON

• Associate Research Scientist

  Danaher

  • Concord, ON

  • $111,333-122,500 per year

  Bring more to life. Are you ready to accelerate your potential and make a real difference within life sciences, diagnostics and biotechnology? At SCIEX, one of 15+ operating co…

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  • Research Associate Scientist Jobs in Concord, ON
  • Jobs in Concord, ON

• Clinical Molecular Diagnostics Scientist - Molecular & Immunipathology - Regular Full-Time 2026

  Sunnybrook Health Sciences Centre

  • Toronto, ON

  • $78,246-100,409 per year

  Sunnybrook Health Sciences Centre is a major academic health facility affiliated with the University of Toronto, training 5,000 student learners from over thirty health disciplines…

• Applied Machine Learning Scientist I

  TD Bank

  • Toronto, ON

  • $96,000-115,200 per year

  Work Location: Toronto, Ontario, Canada Hours: 37.5 Line of Business: Analytics, Insights, & Artificial Intelligence Pay Details: $96,000 - $115,200 CAD This role is tempor…

• Scientist - Radiochemistry

  AstraZeneca

  • Hamilton, ON

  • $82,378-108,121 per year

  Job Title: Scientist – Radiochemistry Location: Hamilton, Ontario Onsite 5 days/week Description: Fusion Pharmaceuticals, part of the AstraZeneca Group, is redefining preci…

• R&D Scientist

  SGS

  • Mississauga, ON

  • $65,000-72,000 per year

  Company Description We are SGS - the world's leading testing, inspection, and certification company. We are recognized as the global benchmark for sustainability, quality and int…

• Data Scientist II, Marketplace

  Thumbtack

  • Ontario

  • $150,500-194,700 per year

  Thumbtack helps millions of people confidently care for their homes. Thumbtack is the one app you need to take care of and improve your home - from personalized guidance to AI to…

• Environmental Engineer or Geoscientist: Dillon Consulting

  Dillon Consulting

  • London, ON

  • $95,000-130,000 per year

  Join our multidisciplinary team and put your strong leadership and technical capabilities to work on meaningful and challenging projects that improve the state of our environment. …

• Food Product Scientist 1 - Mississauga

  Maple Leaf Foods

  • Mississauga, ON

  • $58,000-87,000 per year

  The Opportunity: The position of Product Scientist 1 is responsible for the creation and execution of new and modified products in the Research, Development & Technology department…

• Food Product Scientist 1

  Maple Leaf Foods

  • Mississauga, ON

  • $58,000-87,000 per year

  The Opportunity: The position of Product Scientist 1 is responsible for the creation and execution of new and modified products in the Research, Development & Technology department…

• Lead Data Scientist, Next Best Action

  Royal Bank of Canada

  • Toronto, ON

  Job Description What is the opportunity? The Next Best Action (NBA) Machine Learning team of Personal Banking is seeking a seasoned, passionate and innovative Lead Data Scienti…

• Lead Data Scientist, GFT

  Royal Bank of Canada

  • Toronto, ON

  Job Description What is the opportunity? Are you a hands-on AI innovator who loves solving complex problems, mentoring rising stars, and building cutting-edge ML and GenAI solu…

• Principal Data Scientist

  Questrade

  • North York, ON

  • $130,000-170,000 per year

  What’s in it for you as an employee of QFG? Health & wellbeing resources and programs Paid vacation, personal, and sick days for work-life balance Competitive compensation an…

• Biomedical Scientist

  Canadian Bank Note Company

  • Ottawa, ON

  Company Description Chronological ageing is a biological process that results in accumulated cellular damage, ultimately driving the onset of metabolic disfunction. We aim to dev…

• Scientist

  Canadian Bank Note Company

  • Ottawa, ON

  Company Description What We Can Offer You Compensation: We seek long term relationships with our employees and recognize and reward them with a competitive total compensation p…

• Assistant/ Associate/ Professor - Family Physician Clinician-Scientist

  University of Toronto

  • Toronto, ON

  Date Posted: 04/13/2026 Closing Date: 05/29/2026, 11:59PM ET Req ID: 47672 Job Category: Faculty - Clinical Faculty/Division: Temerty Faculty of Medicine Department: Dept of F…

• Senior Data Scientist

  Royal Bank of Canada

  • Toronto, ON

  Job Description What is the opportunity? In this role, you will design and implement data science / machine learning solutions using RBC’s enterprise suite of AI and analytics …

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