Medical Science Liaison – Oncology

We are looking for a Medical Science Liaison – Oncology to join our Gynaecology Oncology team. As the successful candidate you will act as a trusted scientific partner to healthcare professionals across the United Kingdom focusing on Gynaecology Oncology. You will build strong, evidence-based relationships and bring insights back to internal teams. You will communicate your deep knowledge of GSK data in the context of overall patient care to ensure evidence-based understanding of the science behind GSK medicines and vaccines. You will respond to scientific enquiries and share high-quality medical education. We value clear communicators, curious thinkers, and collaborative colleagues who focus on patient benefit. This role offers professional growth, the chance to influence important medical decisions, and the opportunity to contribute to GSK’s mission of uniting science, technology, and talent to get ahead of disease together.

In this role you will:

• Engage in one to one scientific dialogue with external experts around GSK’s medicines and vaccines in line with GSK Code of Practice and local laws and regulations.
• Support GSK study teams by providing scientific expertise as required to investigators and staff engaged in GSK-supported clinical trials and Investigator-Sponsored Studies (ISS).
• Act as an expert speaker at internal and external events in line with GSK Policy.
• Respond to unsolicited requests for Medical Information from healthcare providers in a fair, factual, balanced, and scientifically rigorous manner via the appropriate and preferred channel.
• Act as the interface between the professional healthcare community and the internal GSK medical team and its affiliates to bring in value-added insights that inform GSK Medical, Commercial, and Research & Development activities.
• Foster a collaborative working relationship with Medical Representatives and Commercial colleagues.
• Partner with matrix colleagues (e.g. sales, marketing, market access, etc.) to ensure strategies and business plans are both patient and business focused, and adding value to the external expert.
• Disseminate important safety information to healthcare professionals as and when this emerges.
• Provide scientific education training for business partners such as the Medical Representatives by being the local scientific expert for a medicine / vaccine or group of medicines / vaccines in a therapy area.
• Maintain a level of expertise in the evolving scientific / therapeutic area and in competitor medicines and vaccines.
• Attend scientific meetings and congresses to keep abreast of the evolving science in a therapy area and to confidently debate and discuss the science with external experts.
• Fully understand and comply with GSK standards and policies and with local codes of practice, guidelines and laws to ensure all requirements are met.

Basic Qualifications & Skills:

• Higher degree (or equivalent) in life sciences, clinical sciences or equivalent (PhD, MD, PharmD, MSc or similar) and/or registered healthcare professional or significant industry experience in medical affairs engaging with external experts.
• Strong clinical and scientific knowledge within the oncology field.
• Excellent verbal and written communication skills, able to explain complex science clearly.
• Proven ability to build and maintain professional relationships with healthcare providers and stakeholders.
• Good knowledge of the UK healthcare system and ability to work independently in the field.
• Confident networker with a proactive, solutions-focused approach.
• Strong project management skills and ability to prioritise workload.

Preferred Qualifications & Skills:

• Therapy area experience in gynaecological cancer.
• Previous experience working as a Medical Scientific Liaison or in a field-based medical affairs role.
• Track record of presenting at scientific meetings or contributing to publications.
• Experience of compliance standards, including the ABPI Code of Practice.
• Effective networking and collaboration skills to achieve business results.
• Strong business mindset and ability to balance cross-functional objectives.
• A sense of curiosity and a passion for continuous learning and development.

Closing Date for Applications – 27th May 2026 (COB)

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. GSK fosters a culture ambitious for patients, accountable for impact, and committed to doing the right thing, making sure that we focus our efforts on accelerating significant assets that meet patients’ needs and have the highest probability of success.