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(StealthCo) Scientist: Biology and Cell Pharmacology

Foresite Labs
USAfull_timePosted 14 Jul 2026

About the role

<p><strong>About the role:&nbsp;</strong></p> <p>We are seeking a highly motivated and intellectually agile Scientist to join our stealth-mode biotech company and contribute to programs focused on hematopoietic cell biology. This laboratory-based role will be responsible for designing, executing, and interpreting in vitro experiments that generate actionable insights and support scientific decision-making.</p> <p>The successful candidate will be mechanistically minded, able to connect experimental observations to underlying biology, build novel reproducible assays, and deliver results in a fast-paced environment.</p> <p>The position is a rare opportunity to play a pivotal role in the successful development of new drugs for patients within an early-stage therapeutics company backed by highly regarded investors.&nbsp;</p> <p><strong>Key Responsibilities:</strong></p> <ul> <li>Lead efforts to develop a novel therapeutic for the treatment of a hematologic disease with unmet medical need</li> <li>Develop, optimize, and perform cell-based assays to evaluate the impact of compounds on:</li> <ul> <li>Erythroid differentiation (e.g., flow cytometry markers,morphology)</li> <li>Cell health (e.g., viability)</li> <li>Protein-level readouts (e.g., flow cytometry, ELISA, high content imaging, Western blot)</li> <li>RNA-level outcomes (e.g., qPCR)</li> </ul> <li>Culture and differentiate multiple cell lines using established and custom protocols.</li> <li>Collaborate with scientists, mentor and train associates in a small biotech startup environment.</li> <li>Translate and develop selected assays to support <em>in vivo</em> pharmacology studies.</li> <li>Maintain detailed laboratory records, perform data analysis, and present findings in team meetings.</li> <li>Ensure compliance with all lab safety, quality, and recordkeeping standards.</li> <li>Oversee research activities with external research organizations (CROs) as needed</li> </ul> <p><strong>Qualifications:</strong></p> <ul> <li>PhD in Cell Biology, Molecular Biology, or a related field with 0-2 years of industry experience preferred</li> <li>BS or MS in Cell Biology, Molecular Biology, or a related field with 5+ years of relevant industry research experience will be considered</li> <li>Proven tissue culture experience with human cell lines and primary human cell culture—ideally CD34+ hematopoietic or other stem/progenitor cells. Familiarity with erythroid differentiation assays and hematopoietic biology is a plus.</li> <li>Molecular biology expertise including DNA and RNA purification and practical expertise with downstream nucleic acid-based (e.g., qPCR, and RNA-se

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Company

Foresite Labs

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