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Medical Scientific Liaison (MSL)

Johnson & Johnson
Mexico City, Mexicofull_timeVerifiedPosted 6 May 2026

About the role

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn more at jnj.com.

As guided by Our Credo, Johnson & Johnson is responsible to our employees who work with us throughout the world. We provide an inclusive work environment where each person is considered as an individual. At Johnson & Johnson, we respect the diversity and dignity of our employees and recognize their merit.

Job Function:

Medical Affairs Group

Job Sub Function:

Medical Science Liaison

Job Category:

Scientific/Technology

All Job Posting Locations:

Mexico City, Mexico

Job Description:

About Innovative Medicine

Our expertise in Innovative Medicine is informed and inspired by patients, whose insights fuel our science-based advancements. Visionaries like you work on teams that save lives by developing the medicines of tomorrow.

Join us in developing treatments, finding cures, and pioneering the path from lab to life while championing patients every step of the way.

Learn more at https://www.jnj.com/innovative-medicine 

About Immunology

Our expertise in Innovative Medicine is informed and inspired by patients, whose insights fuel our science-based advancements. Visionaries like you work on teams that save lives by developing the medicines of tomorrow.

Our Immunology team leads in the development of transformational medicines for immunological disorders and illnesses. You can influence where medicine is going by restoring health to millions of people living with immune diseases. 

Join us in developing treatments, finding cures, and pioneering the path from lab to life while championing patients every step of the way.

Learn more at https://www.jnj.com/innovative-medicine

Role Purpose

The Medical Science Liaison (MSL) – Immuno – rheumatology  is responsible for building strategic scientific relationships with healthcare professionals (HCPs) to facilitate the exchange of medical knowledge, support informed clinical decisions, and provide key insights that contribute to the company’s medical strategy.

Key Responsibilities

  • Build relationships with community and academic Health Care Professionals (HCPs) focus on changing medical behavior through the exchange of scientific knowledge.

  • Convey the value of the attributes related to the innovation (ie, efficacy, safety, effectiveness, adherence, QoL) to gain endorsement with stakeholders.

  • Shaping medical practice by changing behaviors within the HCP Community during product pre launching phases - prepare the health care environment and medical community, accelerate adoption (PIs engagement and pre-approval access programs).

  • Follow up on education, adoption of new knowledge, identifying barriers for medical practice change for innovative products.

  • Respond to scientific inquiries of HCPs/investigators/health care systems and population health decision makers.

  • Integrates scientific data into real life practice to meet customer/audience needs.

  • Identify potential sites and support sites recruitment when needed in alignment with the TA Head/Senior medical manager.

  • Execute Medical Field Educational Events focused on pipeline close to launch and key in line products.

  • Gather insights from Field interactions regarding scientific knowledge, treatments paradigms, Competitors, medical needs and opportunities.

  • Draw and execute the territory and KOL engagement plan according to the strategy and validated by the other Medical Affair (MAF) stakeholders.

Requirements

  • Graduate in any field (Required).

  • Degree or postgraduate qualification in Pharmacy, Biotechnology, or related health sciences (Preferred).

  • Strong scientific knowledge and ability to interpret and present clinical data to Key Opinion Leaders and HCPs

  • Previous experi

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Company

Johnson & Johnson

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