Sr Associate Scientist, Biology
Gilead Sciences
September 11, 2026
Full-time
Remote friendly (San Francisco Bay Area)
Worldwide
Clinical Research and Development
Role: Senior Associate Scientist in Research Oncology, focused on discovering and developing novel cancer therapies with an emphasis on immuno-oncology and engager molecules. Responsibilities: develop and execute in vitro cell-based assays using primary and engineered mammalian cells for target validation, mechanism-of-action, and candidate characterization; perform mammalian cell culture, gene editing, and primary immune cell isolation; conduct functional assays such as reporter, proliferation, and cytotoxicity tests; collaborate across disciplines and support in vivo pharmacology studies, including preclinical mouse models. Requirements: BS with 5+ years or MS with 3+ years industry experience in Immunology, Biology, or related fields; strong expertise in immunology, cell culture, flow cytometry, and assay development; experience with primary immune cells, reporter, cytotoxicity, and cell engineering assays; familiarity with in vivo pharmacology preferred. HighValue: oncology, immuno-oncology, cell-based assay development, target validation, translational research, preclinical mouse models, assay automation, cross-functional collaboration. WorkSetup: not specified; likely research lab environment.