Senior Scientist
Pfizer
- Location
- United States - Massachusetts - Cambridge
- Work model
- On-Site
- Level
- Senior
- Salary
- $93.6k – $156k/yr
- H-1B history
- 9 approvals (FY2023)
- Posted
- Sep 4, 2026
About this role
COMPANY OVERVIEW At Pfizer, our purpose is to deliver breakthroughs that transform patients’ lives. Central to this mission is our Research and Development organization, which is dedicated to translating advanced science and innovative technologies into impactful therapies and vaccines. In this role, you will be at the forefront of this effort, helping ensure that daily activities align with Pfizer’s unwavering commitment to quality. Your work will accelerate the delivery of best-in-class medicines to patients globally and support Pfizer’s commitment to making a meaningful difference in healthcare.
ROLE
SUMMARY As a member of the Cardiovascular Discovery Biology team, the Senior Scientist will play a pivotal role in the drug discovery process, from ideation and hypothesis generation to the identification and validation of therapeutic targets and disease-relevant biomarkers. This individual will contribute to experimental strategy and execution while working closely with scientists across disciplines. Expertise in atherosclerosis biology is essential, and familiarity with different aspects of cardiovascular disease is highly desirable. Daily interactions will take place within a dynamic and supportive environment of innovative scientists. Success in this role requires strong self-motivation, excellent communication and interpersonal skills, and the ability to influence and collaborate effectively in a team setting.
ROLE
RESPONSIBILITIES Apply scientific expertise and creative thinking to develop strategies for identifying and validating therapeutic targets aligned with IMRU priorities. Apply state-of-the-art cellular, molecular, and animal model techniques to investigate mechanisms of atherosclerotic plaque progression, including data analysis and interpretation. Stay current with cutting-edge developments in preclinical and translational science and integrate relevant advances into portfolio programs. Build and maintain collaborations with academic partners and internal Pfizer scientists. Communicate research findings through peer-reviewed publications, scientific presentations, and internal leadership briefings. Uphold the highest standards of scientific integrity, quality, and compliance with regulatory and ethical guidelines. Support the development of junior scientists through mentorship and collaborative engagement.
QUALIFICATIONS
Basic Qualifications: Ph.D. in Molecular Biology, Biotechnology, Cardiovascular Biology, or related fields. A minimum of 1–2 years of postdoctoral or relevant industry experience in drug discovery or translational research. Demonstrated expertise in cardiovascular or atherosclerosis disease biology. Proficiency in vitro and in vivo cardiovascular-atherosclerotic systems, including foam-cell and vascular-cell assays, molecular biology, high-content imaging, ex vivo approaches, and rodent models of atherosclerosis. Strong analytical and problem-solving capabilities, supported by a track record of impactful scientific contributions. Proven ability to work independently and collaboratively within fast-paced-interdisciplinary research teams. Capacity to manage multiple projects simultaneously with scientific rigor and adaptability. Excellent written and verbal communication skills, with the ability to present complex scientific concepts effectively.
Preferred Qualifications
Prior experience in drug discovery is preferred but not required. Experience leveraging human data sources, such as genetic and multi-omics to support discovery and development activities is a plus. Experience with neurovascular diseases is a plus. Adhere to safe work practices and procedures such as aseptic gowning Relocation support may be available Work Location Assignment: On Premise #LI-PFE 
The annual base salary for this position ranges from $93,600.00 to $156,000.00. In addition, this position is eligible for