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Clinical Development Senior Medical Director, Breast Oncology

Pfizer
August 11, 2026
Remote friendly (La Jolla, CA)
United States
Clinical Research and Development
Job Summary
Clinical Development Senior Medical Director (individual contributor) for the atirmociclib program.

Responsibilities
- Conduct medical monitoring: eligibility assessment, data review, safety monitoring.
- Lead peer-to-peer interactions with investigators.
- Serve as point of contact for clinical issues among study teams, investigators, ethics committees, steering committees, and regulatory authorities.
- Lead and contribute to development/maintenance of clinical trial and regulatory documents with Clinical Scientist and cross-functional partners.
- Provide clinical development leadership across multiple study teams; serve as Clinical Development Lead on subteams (including Marketing Authorization Applications).
- Collaborate with Global Development Team to create/refine development strategies.
- Represent the company in external engagements/joint collaborations.
- Collaborate with Clinical Scientists to review/interpret clinical data, identify key findings, and communicate to internal/external stakeholders.
- Maintain clinical expertise by staying current with literature and guidelines.

Basic Qualifications
- Primary medical degree (MD/DO/MBBS/MBChB) and 4+ years biopharmaceutical clinical R&D experience.
- Licensed to prescribe medicines independently for at least 2 years post intern/house officer/foundation.

Preferred Qualifications
- Board certified/eligible in oncology.
- Breast Oncology experience (2+ years).
- Late-phase clinical development experience.

Work Requirements
- Hybrid: commute distance; on-site ~2.5 days/week.
- Travel to scientific conferences/meetings several times per year.
- Relocation support available.