Sr. Medical Science Liaison (Sr. MSL) | Mexico
A leading general pharmaceutical company is seeking an experienced Senior Medical Science Liaison (Sr. MSL) to join its Medical Affairs team in Mexico.
This is an exciting opportunity for a Medical Doctor (MD) who is passionate about scientific exchange, building trusted relationships with Key Opinion Leaders, and supporting the successful launch and lifecycle management of innovative therapies.
As a Sr. MSL, you will play a key role in executing the medical strategy, generating valuable field insights, and serving as the scientific partner for external stakeholders while collaborating closely with cross-functional teams at both the local and regional levels.
What we're looking for:
Previous experience as an MSL or Sr. MSL within the pharmaceutical industry.
Medical Doctor (MD) – mandatory.




Strong experience engaging with KOLs and delivering high-quality scientific exchange.
Experience supporting product launches is highly valued.
Exposure to specialty therapeutic areas such as Cardiovascular, Neuroscience, Metabolic, or other innovative therapies is a plus.
Excellent communication and stakeholder engagement skills.
Advanced English.
Willingness to travel across Mexico.
Location: Mexico City (field-based role with national travel).
If you're interested in exploring this opportunity—or know someone who could be a great fit—feel free to send your CV or reach out for a confidential conversation.

📌 Sr. MSL (Ciudad de México)
🏢 Empresa Confidencial
📍 Ciudad de México