The Oncology Senior Medical Science Liaison (Sr. MSL) serves as a key scientific leader within Taiwan, with the ability to independently drive high‑quality medical and scientific engagements with Oncology healthcare professionals (HCPs) to advance disease‑area understanding and support Pfizer's medical strategy. Through expert and objective scientific leadership, the role integrates critical field insights into medical planning, ensuring strategic alignment across launch readiness, lifecycle management, and evidence‑generation priorities. The Sr. MSL upholds scientific quality, compliance, and consistency across all medical‑to‑medical activities while collaborating closely with cross‑functional partners to optimize scientific materials and medical initiatives. In addition, the role contributes to Pfizer‑sponsored and/or investigator‑initiated research (IIR), communicates measurable field medical impact, and supports broader Medical Affairs priorities to address evolving therapeutic‑area and organizational needs within the Taiwan market. The role is considered as field based with at least 80% of colleague time in external interactions.
ROLE RESPONSIBILITIES
• Lead External Medical and Scientific Engagement
Independently lead high‑quality and compliant scientific engagement with healthcare professionals to strengthen disease‑area understanding and support Pfizer's medical objectives.
• Provide Expert and Objective Scientific Leadership
Act as a trusted medical resource by delivering balanced, evidence‑based scientific information aligned with healthcare professional needs and patient‑care priorities.
• Integrate Field Insights to Shape Medical Strategy
Systematically collect, evaluate, and translate field insights into actionable medical plans to support launch readiness, lifecycle management, and strategic decision‑making.
• Ensure Scientific Quality, Consistency, and Compliance
Ensure that all medical‑to‑medical activities, scientific communications, and stakeholder interactions meet Pfizer's medical governance principles, regulatory requirements, and quality standards.
• Drive Cross‑Functional Medical Collaboration
Collaborate closely with Clinical Team, cross functional partners, to co‑develop, adapt, and optimize scientific materials and medical initiatives.
• Support External Research and Evidence‑Generation Activities
Contribute to Pfizer‑sponsored and investigator‑initiated research through appropriate scientific engagement and ensure alignment with operational, documentation, and compliance expectations.
• Demonstrate and Communicate Field Medical Impact
Consolidate internal and external feedback to quantify and communicate the value of field medical activities, supporting continuous improvement and stakeholder alignment.
• Support Additional Medical Affairs Priorities
Contribute to other medical initiatives as assigned by the Country Medical Lead to address evolving organizational and therapeutic‑area needs.
QUALIFICATIONS
Education
- Master's degree or above in Life Sciences, Pharmacy, Medicine, or a related field.
- PhD, PharmD, or MD preferred.
Experience
- 2+ years of medical affairs experience or relevant therapeutic area. Existing MSL experience is preferred.
- Oncology therapeutic area experience is strongly preferred.
- Experience supporting clinical research, RWE, or evidence generation activities is advantageous.
- Strong communication skills, including medical writing and scientific presentation.
Language & Communication
- Fluent in English and Mandarin, with strong verbal and written communication skills.
- Ability to effectively communicate complex scientific information to diverse internal and external stakeholders in both local and global settings.
- Comfortable presenting scientific data and contributing to regional and global discussions.
Pfizer is an equal opportunity employer and complies with all applicable equal employment opportunity legislation in each jurisdiction in which it operates.
To learn more about acceptable and prohibited uses of AI during the recruitment process, please review our candidate AI-use guidelines available on Pfizer Careers .
Medical
Skills Required
- Advanced degree in Medicine, Pharmacy, Life Sciences, or related discipline
- 1.5 years of experience in clinical practice, scientific research, or pharmaceutical industry
- Strong scientific foundation with expertise in pharmaceutical or medical fields
- Proficiency in English, both verbal and written
Pfizer Compensation & Benefits Highlights
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Healthcare Strength — Health coverage is described as comprehensive, spanning medical, dental, vision, and robust mental‑health benefits, with eligible Pfizer medications available at no cost in U.S. plans. Family‑building support and transgender‑inclusive care are explicitly included, alongside wellbeing resources such as a reimbursement wallet and telehealth options.
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Retirement Support — Retirement programs feature a 401(k) with company matching plus an additional Retirement Savings Contribution, complemented by company‑subsidized life, short‑term disability, and long‑term disability insurance. Materials also reference subsidized retiree medical coverage for eligible groups.
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Leave & Time Off Breadth — Paid vacation, holidays, personal days, and paid parental and caregiver leave are consistently highlighted in current U.S. summaries and job postings. Options like buying extra vacation days and transition‑back support strengthen the time‑off offering.
Pfizer Insights
What We Do
Our purpose ensures that patients remain at the center of all we do. We live our purpose by sourcing the best science in the world; partnering with others in the healthcare system to improve access to our medicines; using digital technologies to enhance our drug discovery and development, as well as patient outcomes; and leading the conversation to advocate for pro-innovation/pro-patient policies.
Why Work With Us
We are the inventors, the problem solvers, the big thinkers — those who surmount any hurdle to deliver breakthrough medicines to the people who are counting on them the most.
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