Site Name: Mississauga Milverton Drive

Posted Date: Feb 6 2026

Are you a student interested in learning how oncology marketing, cross-functional collaboration, and project management come together to improve healthcare outcomes in the pharmaceutical industry?

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 deliver patient-centric programs and therapies that address critical health challenges.

Job Purpose GSK is looking to hire a Marketing Summer Intern in Oncology to join our oncology team. This role is hybrid, requiring in-office presence 2-3 days per week, and reports to the Oncology Product Manager. The ideal candidate will be based in or near Mississauga, Ontario.

As a Marketing Summer Intern in Oncology, you will support the development and execution of marketing initiatives for both in-line and launch brands, working closely with the head office cross-functional team. You will gain exposure to strategic brand planning, competitive analysis, and project management while contributing to the oncology team’s goal of delivering value to patients, healthcare professionals, and GSK.

• This is a paid summer student placement running from May 4, 2026 to August 28, 2026, intended for students returning to school following the contract. Internal referrals are welcome. ***

Details (Your Responsibilities) This role will provide YOU the opportunity to develop critical skills and directly impact oncology marketing strategies. Responsibilities include:

• Organize and plan day-to-day touchpoints within the oncology business division.
• Play a project management role in the brand planning process, including business review, strategy development, and operational plans.
• Support the Oncology Product Manager in on-going analysis of the competitive environment and the development of relevant action plans.
• Contribute to the creation and implementation of sales and training tools to support brand initiatives.
• Integrate key initiatives around performance and innovation, ensuring alignment with business objectives.
• Collaborate with cross-functional teams, including head office colleagues, to deliver marketing projects efficiently and effectively.
• Assist with project tracking, reporting, and post-project evaluation to ensure timely completion and continuous improvement.
• Engage with internal and external stakeholders, facilitating group meetings, summarizing outcomes, and ensuring alignment across teams.

Why you? Basic Qualifications: We are looking for students with these skills to succeed in this role:

• Currently enrolled in a university program and returning to school in September 2026.
• Self-starter who takes initiative and is a strategic and solution-oriented thinker.
• Creative, persuasive individual who works well in a team environment.
• Proven ability to deal with ambiguity, requiring agility and flexibility to deliver on tasks.
• Results-oriented with a proven ability to manage projects, prioritize work, and meet challenging deadlines.
• Excellent interpersonal skills to interface with external, internal, and GSK stakeholders in a matrix environment.
• Clear and concise verbal and written communication skills, including active listening, summarizing, probing, and clarifying.
• Proficient with Microsoft Office (Outlook, Excel, PowerPoint).
• Strong interest in marketing, healthcare, or oncology.

Preferred Qualifications:

• Bilingual (French & English) is an asset.
• Previous experience or interest in marketing or project management.
• Experience working in cross-functional teams or matrix organizations.

In compliance with Ontario's provincial pay transparency legislation in Canada, this job posting includes a salary range to support equitable and informed hiring practices. The annual pay rate for new hires in this position ranges from CAD$31,980 to CAD$79,950 taking into account a number of factors including work location within the Canadian market, education level (e.g., Undergrad / Masters / MBA etc.) and based on the experience required for the role. 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 canada-recruitment@gsk.com. Please do not send resumes to this e-mail and instead apply through the online application process of this posting.

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