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Principal Scientist, Diagnostics (CDx), Associate Director

Gilead Sciences
August 20, 2026
Full-time
Remote friendly (San Francisco Bay Area)
Worldwide
Clinical Research and Development
Role: Lead the development and execution of companion diagnostic (CDx) strategies for oncology programs, ensuring alignment with biomarker objectives and clinical development plans. Responsibilities: define integrated diagnostic strategies, develop project plans, coordinate internal and external teams, oversee regulatory activities, and lead diagnostic sub-teams from inception through regulatory approval. Provide diagnostic expertise to multidisciplinary drug development teams and represent diagnostics in global program teams. Requirements: 10+ years of experience with a relevant scientific degree (BA/BS, MA/MS, MD, PhD); experience in diagnostic strategy or assay development supporting oncology drug development preferred. Skills: strong leadership, cross-functional collaboration, knowledge of diagnostic platforms (IHC, NGS, flow cytometry), understanding of clinical trial design and regulatory requirements for diagnostics, excellent organizational skills, and publication record. High-Value: Oncology, biomarker strategy, diagnostic assay development, global regulatory processes, and cross-disciplinary team leadership. WorkSetup: not specified; global collaboration implied.