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Scientist/Sr. Scientist, Fermentation

Yali Bio

Yali Bio

South San Francisco, CA, USA
Posted on Oct 27, 2025
South San Francisco, CAWe are looking for a talented Scientist/Sr. Scientist, Fermentation to join our R&D team. You will be working to develop microbial fermentation processes in the lab and scale up to CMOs.RESPONSIBILITIESThe candidate hired for this position is expected to:• Design and conduct experiments over a range of scales (mL through a few hundred liters) to optimize process conditions for product candidates in various stages of development.• Participate in cross-functional teams (strain development, analytical chemistry) and collaborate on multiple projects to support development of selected microbial fermentation processes.• Prepare reagents, buffers, and other materials for bench-scale fermentation and DSP.• Maintain clear and accurate lab notebooks and author technical reports.• Regularly present work and findings during group meetings.QUALIFICATIONSWe are seeking a highly motivated, hands-on team-player with excellent problem-solving skills and good understanding of yeast physiology and bioprocesses. Versatility is a must, as tasks will involve a range of reactors and scales and process modes. The ideal candidate will have the following background/skill set:• M.S. or Ph.D. in Yeast Genetics, Microbial Physiology and or Biochemical Engineering.• Hands-on working knowledge with laboratory and pilot scale process equipment, strong hands-on experiences with bioreactors for microbial culture and aseptic techniques.• Strong understanding of bioprocess development (cell-free, microbial, and/or mammalian cell-based) and fermentation processes.• Strong organization skills in experiment recording and data summary with strong attention to details.• Ability to communicate and work collaboratively in a team environment.• Effective and strong problem-solving capabilities is a must.Sound exciting? Apply today by contacting us.