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Clinical Development Senior Medical Director, Breast Oncology

Pfizer
July 01, 2026
Remote friendly (New York, NY)
United States
Clinical Research and Development
Job Summary
This position is for a Clinical Development Senior Medical Director within the atirmociclib program. This individual contributor will support clinical trial(s) and lead sub teams in clinical development, ensuring the program meets scientific, ethical, and regulatory standards.

Responsibilities
- Conduct medical monitoring activities including eligibility assessment, data review, and safety monitoring.
- Lead peer-to-peer interactions with investigators.
- Serve as the point of contact for clinical issues between study teams, investigators, ethics committees, steering committees, and regulatory authorities.
- Lead and contribute to development and maintenance of clinical trial and regulatory documents with Clinical Scientists and the cross-functional team.
- Provide clinical development leadership across several study teams.
- Serve as the Clinical Development Lead on subteams, including for Marketing Authorization Applications.
- Collaborate with the Global Development Team to create and refine development strategies.
- Represent the company in external engagements or joint collaborations.
- Collaborate with Clinical Scientists to review and interpret clinical data and communicate findings to internal/external stakeholders.

Basic Qualifications
- Medical degree with 5+ years of industry experience.
- Clinical oncology experience (typically 4+ years).

Preferred Qualifications
- Board certified/eligible in oncology (preferred).
- Breast Oncology experience (2+ years).

Late Phase Clinical Development Experience Preferred
- Demonstrated leadership: influence/collaboration, coaching others, and guiding colleagues to deliver business impact.

Travel/Work Location
- Travel to scientific conferences/meetings several times per year.
- Hybrid: live within commuting distance and work on-site ~2.5 days/week.

Relocation support available.