Medical Science Liaison

The Opportunity:

Reporting to the Director, Medical Affairs LATAM for Seqirus, as the Medical Science Liaison (MSL), you will field-based medical colleague that will be responsible for providing medical and scientific information for the designated vaccines and other therapeutic products in the assigned region (comprised of one or more countries in LATAM) focusing on the vaccines in-line. You will serve as authoritative source of clinical expertise on Seqirus registered vaccines. You will communicate new and other important approved medical content to Vaccine health care professionals (HCPs) in local, regional or national capacities including Vaccines HCP decision-makers, Medical Groups, Integrated Delivery Networks, Payers, Professional societies, Government Organizations (Ministry of Health), etc., and you will engage in other approved communications in accordance with approved field medical guidance. You will provide truthful, accurate and scientifically supported information in response to direct unsolicited medical requests from HCPs in a manner that complies with all applicable Seqirus guidelines, policies, and procedures. You will also combine deep scientific expertise in vaccines and influenza with strong data analytics capabilities, enhance scientific strategy by integrating epidemiologic data, real-world evidence, and digital insights, and you will drive impactful medical engagement aligned with public health priorities and immunization goals.

English abilities are mandatory for this opportunity (please submit your resume in English).

The Role:

• Develop and maintain strong scientific relationships with vaccine and influenza Key Opinion Leaders (KOLs), researchers, public health authorities, and immunization program stakeholders.
• Provide high-quality medical and scientific support to internal teams (Medical Affairs, Marketing, Market Access, Regulatory, Field Teams).
• Deliver scientific presentations and facilitate evidence-based discussions on influenza epidemiology, vaccine technologies, immunogenicity, effectiveness, and safety.
• Conduct advanced KOL mapping and segmentation using data analytics tools and digital platforms.
• Identify and synthesize medical insights from real-world data (RWD), surveillance systems, epidemiologic reports, dashboards, and scientific literature.
• Support real-world evidence (RWE) studies, observational research, and post-marketing commitments in the field of influenza and respiratory vaccines.
• Leverage digital technologies (CRM systems, omnichannel platforms, AI-powered tools, analytics dashboards) to enhance scientific engagement and internal decision-making.
• Monitor emerging global and regional trends in influenza viruses, vaccine uptake, program performance, and public health recommendations.
• Translate complex scientific and epidemiological data into clear, actionable medical narratives and strategic insights.
• Contribute to educational initiatives for healthcare professionals, immunization programs, and scientific societies with a data-driven approach.

Your Skills & Abilities:

• Advanced degree in Medicine, Pharmacy, Biology, or related life sciences; MSc/PhD preferred.
• Prior experience as MSL or in Medical Affairs within vaccines or infectious diseases strongly preferred.
• Required fluency in Spanish and English, oral and written, to include the ability to read and write emails and communicate effectively with global colleagues.
• Solid skills in data analytics (Excel advanced, Power BI, Tableau, or similar).
• Experience with digital engagement tools, CRM platforms, and AI-based medical technologies.
• Strong scientific communication skills (written and oral).
• ​Analytical and data-driven mindset with ability to interpret epidemiologic and clinical data.
• Strategic thinking to generate meaningful insights for vaccines and influenza portfolios.
• Strong interpersonal skills and ability to build credible scientific relationships.
• Digital agility and comfort working with evolving technological tools.
• High scientific integrity and commitment to evidence-based medicine.

Travel Requirements:

• Flexibility to travel 60-80% of time (domestic, regionally and globally)

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CSL is a leading global biotechnology company with a dynamic portfolio of life-saving medicines, including those that treat haemophilia and immune deficiencies, as well as vaccines to prevent influenza. Since our start in 1916, we have been driven by our promise to save lives through innovation. Learn more about CSL.

At CSL, Inclusion and Belonging is at the core of our mission and who we are. It fuels our innovation day in and day out. By celebrating our differences and creating a culture of curiosity and empathy, we are able to better understand and connect with our patients and donors, foster strong relationships with our stakeholders, and sustain a diverse workforce that will move our company and industry into the future. Learn more Inclusion and Belonging | CSL