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From the employer's careers site First seen 29 Oct 2026

Principal Medical Writer

GSK Canada, ON Hybrid senior full-time

Salary

CAD118,000 to CAD168,000

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Description

At GSK, we have bold ambitions for patients, aiming to positively impact the health of 2.5 billion people by the end of the decade. Our R&D focuses on discovering and delivering vaccines and medicines, combining our understanding of the immune system with cutting-edge technology to transform people’s lives.

The Principal Medical Writer is a seasoned expert who owns complex safety writing deliverables end-to-end. In this role, they independently lead the authoring of high-impact safety documents,such as aggregate reports and Risk Management Plans (RMPs),translating complex safety data and analyses into clear, compelling outputs.

Responsibilities

  • Independently lead preparation of complex clinical and post-market safety documents (e.g., DSURs, PSURs/PBRERs, ACOs, PADERs/PAERs, RMPs, and responses to regulatory authority questions).
  • Operate effectively within a global, complex matrix organization, working autonomously and confidently influencing stakeholders on process discipline, quality standards, and “how” work should be done.
  • Lead cross-functional teams to develop content strategy, coordinate contributions, manage review schedules and timelines, and ensure high-quality, fit-for-purpose documents.
  • Provide oversight to co-authors, vendor writers, and teams of writers,serving as a mentor/buddy, ensuring the quality of contributions.

Basic Qualifications

  • Bachelor’s degree in life sciences, health sciences, pharmacy, nursing or a related field.
  • Minimum 5 years of advanced medical/regulatory safety writing experience in pharmaceutical, biotech or clinical research settings.
  • Advanced understanding of, and ability to apply, statistical, regulatory and medical communication concepts.
  • In-depth working knowledge of relevant regulatory guidance (e.g., ICH, GVP, FDA, EMA).

Preferred Qualifications

  • Advanced degree (PhD, PharmD, MSc, MPH) or equivalent scientific training.
  • Advanced safety writing skills with expertise across most key safety document types.
  • Comfort interpreting statistical outputs and collaborating with statisticians.
  • Highly collaborative and capable of leading cross-functional, multicultural, and hybrid/distributed teams.

What you will gain

You will join a team focused on patient impact and continuous learning. You will develop technical and strategic skills in regulatory writing, submission planning and cross-functional collaboration.

Skills

Required

  • Medical Writing
  • Regulatory Submissions
  • Scientific Writing
  • Communication
  • Decision Making

Nice to have

Ready to apply?

You apply with the employer directly. Their original posting is here: https://gsk.wd5.myworkdayjobs.com/en-US/GSKCareers/job/Mississauga-Milverton-Drive/Principal-Medical-Writer_446435-1

Apply on GSK