Medical science liaison Jobs in Mississauga, ON

Are you a scientifically curious professional who excels at building trusted relationships and translating complex pipeline hematology data into meaningful clinical insights?

GSK remains committed to achieving bold commercial ambitions for the future. By 2031, we aim to deliver £40 billion in annual sales, leveraging our existing strong performance momentum to significantly increase our positive impact on the health of billions of patients globally. Our Ahead Together strategy is centred on early intervention to prevent and alter the course of disease, thereby protecting people and supporting healthcare systems.

Our diverse portfolio consists of vaccines, specialty medicines, and general medicines.

Through continuous innovation and a dedicated focus on scientific and technical excellence, we strive to develop and launch new, groundbreaking treatments that address critical health challenges.

Job Purpose
GSK is looking to hire a Medical Science Liaison (MSL), National Pipeline Hematology to join our Oncology/Hematology Team. This role is field-based with hybrid flexibility and reports directly to the Senior MSL Manager. This position has a national scope.

As a Medical Science Liaison (MSL), you will be responsible for building trusted peer-to-peer scientific relationships with hematology specialists and other healthcare professionals, sharing clear and balanced evidence-based information, and collecting clinical insights that shape pipeline medical strategy and research. You will act as a field-based scientific expert, supporting clinical development activities and collaborating closely with medical, clinical, commercial, and research colleagues to deliver local impact. Your ability to communicate complex scientific data clearly, work collaboratively, and operate independently in a field-based environment will be critical to success. You will contribute to GSK’s mission to help Canadians do more, feel better, and live longer.

***INTERNAL CANDIDATES: Please submit your application by Friday, April 24th, 2026***

Details (Your Responsibilities)

• Build and maintain peer-to-peer scientific relationships with oncology specialists and other healthcare professionals; communicate balanced, evidence-based information to support clinical decision making

• Act as the field-based scientific expert for your territory, staying current Hematology, treatment approaches and the evolving scientific landscape

• Gather and report clinical and practice insights from the field to inform pipeline medical strategy, evidence generation and local operational plans

• Support clinical development by identifying and qualifying potential investigators and clinical trial sites ross Canada

• Represent GSK at scientific meetings and congresses, supporting expert engagement, session coverage and knowledge sharing

• Deliver scientific training to internal colleagues using approved materials and contribute to cross-functional projects as required
  

Basic Qualifications:

• Advanced post-graduate scientific degree (MD, PhD, or PharmD).

• Proven ability to explain and present complex scientific data clearly to clinical audiences.

• Strong interpersonal skills and demonstrated ability to collaborate cross-functionally

• Knowledge of the Canadian healthcare environment, including hospital systems and access pathways.

• Valid Canadian driver’s licence and ability to travel within the territory (up to 60–70%).

• Ability to work independently, manage priorities and meet objectives in a field-based role.

Preferred Qualifications:

• 2+ years of prior experience as a Medical Science Liaison or similar medical affairs role, ideally in Hematology

• Established network and relationships with oncology clinicians in Canada

• Experience supporting clinical trials, investigator-initiated studies, or real-world evidence projects

• Familiarity with Canadian reimbursement and access processes

• Bilingual capability in English and French for bilingual territories

• Strong presentation, facilitation, and stakeholder engagement skills

***This position requires the employee to drive routinely on company business and allows for the provision of a company-leased vehicle. However, to be eligible for this position and a company vehicle, GSK will need to obtain acceptable results from a license verification inquiry and drivers abstract review against its safe driver program requirements***

#MSL_Onc

In compliance with Ontario's provincial pay transparency legislation, this job posting includes a salary range to support equitable and informed hiring practices. The annual compensation for this role is CAD129,000 to CAD179,000 , determined based on experience, qualifications, and internal equity. GSK is dedicated to promoting transparency and fairness throughout our recruitment process.Salary ranges for other locations are shown because some markets have pay transparency laws that require salary information on job postings, and those locations are potential job sites for this role. If salary ranges are not displayed in the job posting for a specific location or country, the relevant compensation will be discussed during the recruitment process.

Why GSK?
Uniting science, technology and talent to get ahead of disease together.

GSK is a global biopharma company with a purpose to unite science, technology and talent to get ahead of disease together. We aim to positively impact the health of 2.5 billion people by the end of the decade, as a successful, growing company where people can thrive. We get ahead of disease by preventing and treating it with innovation in specialty medicines and vaccines. We focus on four therapeutic areas: respiratory, immunology and inflammation; oncology; HIV; and infectious diseases – to impact health at scale.

People and patients around the world count on the medicines and vaccines we make, so we’re committed to creating an environment where our people can thrive and focus on what matters most. Our culture of being ambitious for patients, accountable for impact and doing the right thing is the foundation for how, together, we deliver for patients, shareholders and our people.

GSK is an Equal Opportunity Employer. This ensures that all qualified applicants will receive equal consideration for employment without regard to race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), parental status, national origin, age, disability, genetic information (including family medical history), military service or any basis prohibited under federal, state or local law. GSK is committed to accommodating persons with disabilities. If you need accommodation at any stage of the application process or want more information on our accommodation policies, please contact us at . Please do not send resumes to this e-mail and instead apply through the online application process of this posting.

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