Clinical Development Senior Medical Director, Breast Oncology
Pfizer
September 09, 2026
Full-time
Remote friendly (La Jolla, CA)
Worldwide
Clinical Research and Development
Role: Senior Medical Director in Clinical Development focused on atirmociclib, responsible for leading clinical trial activities, medical monitoring, and cross-functional study team leadership. Responsibilities include overseeing eligibility, safety data review, investigator interactions, and managing development/regulatory documents, with a strategic role in shaping development plans, data interpretation, and external collaborations. Requirements: MD, DO, MBBS, or MBChB with 4+ years in clinical research/biopharma industry; licensed to prescribe medicines for at least 2 years. Preferred: Board-certified/eligible in oncology, with 2+ years breast oncology experience and late-phase clinical development expertise. High-value: Oncology, breast cancer, late-phase trials, regulatory interactions, clinical operations, biometrics, and GxP compliance. Collaboration with global teams and external stakeholders is integral. Work setup: Hybrid role with on-site requirement (~2.5 days/week), travel to scientific meetings as needed, with relocation support available.