MSL Medical Scientific Liaison Vaccines

Your Responsibilities:

The Medical Scientific Liaison is responsible for providing high-quality, non-promotional scientific and medical support to ensure the safe, effective and evidence-based use of GSK vaccines. Through strategic scientific engagement with Healthcare Professionals, Key Opinion Leaders and professional Health Associations, both internally and externally, the Medical Scientific Liaison plays a critical role in operationalizing medical strategy. Leveraging deep scientific expertise and strong external partnerships, the Medical Scientific Liaison generates actionable medical insights that inform the development and execution of innovative Medical Affairs strategies and plans, while consistently upholding the highest standards of scientific integrity, compliance and governance.

This role gives YOU the opportunity to lead key activities to progress YOUR career, the main of these are:

• Work collaboratively with the Vaccines Medical team and other medical colleagues to develop and execute Medical Plan.

• Establish professional relationships with academic health care professionals, professional associations and other key stakeholders to provide a fair and balanced scientific exchange of medical information, modeling the highest standards of medical integrity and governance.

• Responding to unsolicited inquiries for medical information from external experts

• Operate as the field based scientific/medical expert.

• Develop and maintain extensive knowledge of disease, its treatment and the competitive landscape.

• Integrate cardiometabolic expertise into medical strategy and external scientific engagement to identify and address evidence gaps, research opportunities and insights relevant to vaccine use in patients with cardiometabolic conditions.

Why you?
Basic Qualifications:
We are looking for professionals with these characteristics to achieve our goals:

• Advanced post graduate scientific degree required preferably internal Medicine: Demonstrable experience in cardiometabolic areas (cardiology, endocrinology, nephrology and related subspecialties), including management of chronic conditions and cardiovascular prevention.

• Preferable familiarity and prior experience with vaccines to facilitate understanding of the local portfolio, key stakeholders, and the country's regulatory and access ecosystem.

• Ability to integrate cardiometabolic expertise into scientific interactions and medical strategies for vaccines, identifying evidence gaps, research opportunities and clinical insights that support study planning, publications, and educational activities.

• Strong written and spoken Spanish. Advanced English is preferred.
  Comfortable working independently, with reliable ability to travel within the assigned territory.

• Excellent communication and presentation skills and experience interacting with healthcare professionals.

• Demonstrated capability in project management and cross-functional collaboration within a matrix organization.

Preferred Qualifications:
However, if you have the following, it would be a plus:

• Experience using digital channels for scientific engagement and insight collection.

• Knowledge of clinical research processes and experience supporting clinical trials.

Flexible location: CDMX/ Guadalajara/ Monterrey

If you feel this is your next career move, please apply up to January 14th, 2026.

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

If you require any type of accommodation and/or support during the selection process to better showcase your abilities (for example, access to ramps, accessible emergency exits, visual aids, etc.), please let us know when we contact you. We are here to support you.

Your application is voluntary; therefore, you understand and consent that GSK, located at Real Mayorazgo 130, Torre M, Piso 20, Col. Xoco, Benito Juárez, Mexico City, will process your personal data to evaluate your candidacy in accordance with the candidate privacy notice, which can be consulted at Candidate Privacy Notice. Among the information you provide for this purpose, you may choose to give us personal data that will help ensure an inclusive selection process. Rest assured that your information will be treated with the utmost confidentiality, in compliance with applicable regulations, and will not be available to hiring managers or anyone outside the recruitment team. Help us maintain, together, an inclusive and welcoming environment. By submitting information, I confirm that I agree that it will be processed in accordance with the stated privacy notice.

Important notice to Employment businesses/ Agencies

GSK does not accept referrals from employment businesses and/or employment agencies in respect of the vacancies posted on this site. All employment businesses/agencies are required to contact GSK's commercial and general procurement/human resources department to obtain prior written authorization before referring any candidates to GSK. The obtaining of prior written authorization is a condition precedent to any agreement (verbal or written) between the employment business/ agency and GSK. In the absence of such written authorization being obtained any actions undertaken by the employment business/agency shall be deemed to have been performed without the consent or contractual agreement of GSK. GSK shall therefore not be liable for any fees arising from such actions or any fees arising from any referrals by employment businesses/agencies in respect of the vacancies posted on this site.

Find more about life at GSK