Senior Medical Affairs Scientist (Oncology & Vaccines)

Pfizer is recruiting two Senior Medical Affairs Scientists (MAS) to join the Medical Affairs organization in the Netherlands. One position is dedicated to the Vaccines therapeutic area and one position is dedicated to Oncology. Each Senior MAS is a key scientific ambassador for Pfizer, building trusted and long-term partnerships with healthcare professionals, key opinion leaders, and other relevant stakeholders to advance patient outcomes. Both roles operate at the same job level and each role is dedicated to a single, clearly defined therapeutic area, in alignment with the Innovating for Growth (I4G) model.
Role Responsibilities:
Insight Generation, Synthesis & Sharing

• Engage with healthcare professionals, key opinion leaders, health authorities, and scientific stakeholders as a peer, fostering scientific credibility and trust.
• Generate, document, synthesize, and compliantly share actionable medical insights from external engagements and scientific exchange.
• Disseminate scientific insights through appropriate omnichannel and digital platforms to ensure timely and relevant information flow.
• Communicate insights effectively to cluster medical leadership and cross-functional stakeholders to inform medical strategy, tactics, and execution.

External Engagement & Stakeholder Management

• Develop and execute a prioritized medical plan for the assigned therapeutic area, including stakeholder and key opinion leader mapping.
• Lead and execute local medical projects, scientific events, and omnichannel activities in alignment with cluster and international medical strategies.
• Build and maintain sustainable relationships with external stakeholders, including medical societies, regulators, patient advocacy groups, and payors.
• Participate in scientific congresses, advisory boards, and other external forums.
• Serve as the scientific point of contact for the assigned therapeutic area in-country.
• Provide targeted support to the local clinical trial environment, including protocol feasibility, site identification, investigator engagement, and recruitment support, as applicable.

Collaborative Working

• Share stakeholder insights compliantly to enable cross-functional collaboration and alignment.
• Collaborate with medical, access, regulatory, clinical, and commercial colleagues to support integrated planning and execution.
• Contribute to the development and implementation of cluster-level medical and brand strategies aligned with global and international objectives.

Operational Effectiveness & Compliance

• Uphold the highest standards of scientific integrity, ethical conduct, and compliance in all activities.
• Maintain up-to-date scientific, therapeutic, and regulatory knowledge relevant to the assigned therapeutic area.
• Support regulatory and pharmacovigilance activities, including safety updates and product-related matters, as required.
• Demonstrate autonomy, sound judgment, and accountability in decision-making.
• Maintain strong professional networks and credibility within the therapeutic area.
• Contribute to above-market initiatives and cross-cluster workstreams where appropriate.
• Demonstrate leadership through mentoring, coaching, and project leadership without direct people management responsibility.

Qualifications:

• Advanced healthcare or scientific degree with strong pharmaceutical industry experience and knowledge.
• Medical degree (MD) or equivalent or a therapeutic-area-relevant PhD with post-doctoral experience is desirable or equivalent.
• Robust scientific and medical background, including clinical and/or research experience.
• Strong understanding of the pharmaceutical industry, healthcare systems, and regulatory environments.
• Demonstrated ability to analyze medical data and translate insights into strategic input.
• Fluency in business and medical English.
• Significant professional experience in the relevant therapeutic area with a proven track record of senior key opinion leader engagement.
• Experience in leading projects.
• Experience working effectively within international, matrix organizations.
• Recognition as a credible scientific expert and trusted partner internally and externally.

Pfizer is an equal opportunity employer and complies with all applicable equal employment opportunity legislation in each jurisdiction in which it operates.
Pfizer's aim is to provide equality of opportunity in the recruitment process by avoiding any bias or potential discrimination on any grounds including (but not limited to): sex, age, race, religion or belief, sexual orientation or disability. At Pfizer we are creating an organization and promoting a culture that respects each individual's unique character and life experiences and reflects the diversity of our society, customers and markets. We will achieve this through fostering and sustaining an environment in which every colleague feels valued and supported.
Disability Inclusion:
Onze missie is om de kracht van al onze mensen te ontwikkelen en ruimte te geven. We zijn trots om een inclusieve werkgever te zijn, die aan alle kandidaten met een beperking gelijke kansen biedt. We moedigen je aan om jezelf te zijn en dat met ons te delen, wetende dat wij ons best gaan doen om jouw sollicitatie en toekomstige carrière te ondersteunen. Jouw reis bij Pfizer begint hier!
Medical