About The Position

The Cell Culture Development Group in South San Francisco, CA is seeking a Scientist I to join a talented and collaborative team to develop cell culture processes for GMP applications. In this position, you will perform cell culture process development, scale-up, and technology transfer activities in a well-supported and dynamic environment to help advance novel biotherapeutics into human clinical studies.

Requirements

  • Scientific degree in chemical engineering, bioengineering, biotechnology, or a related field.
  • A minimum of 2 years for M.S. or 5 years for B.S. graduates
  • Proficient in aseptic techniques
  • Experience in developing and executing mammalian suspension cell culture processes in shake flasks, Ambr250 and 2L bioreactors
  • Strong understanding of mammalian cell and molecular biology and cell culture bioprocess engineering concepts
  • Strong attention to detail; active and quick learner; able to change courses quickly as needed, raises the bar and is never satisfied with the status quo; opens to suggestions and embraces the ideas of others; actively builds relationships with others
  • Experience in technical report authoring and reviewing
  • Proficient with Microsoft Office software (Word, Excel, and PowerPoint) and statistical modelling software such as JMP

Nice To Haves

  • Experience in perfusion technology, especially Alternating Tangential flow filtration (ATF) at bench
  • Experience in pilot scale operations including 50L, 200L, 500L Single-use systems, and harvest operations

Responsibilities

  • Perform inoculum expansion and cell bank generation
  • Execute cell culture experiments using Ambr250 and 2L bioreactors
  • Perform pilot scale material generation using 50L, 200L and 500L single use bioreactors
  • Execute small scale and pilot scale depth filtration and centrifugation primary recovery processes
  • Perform tech transfer of Master cell bank generation, cell culture and primary recovery processes to the GMP manufacturing facilities
  • Provide person-in-plant support at the GMP manufacturing facility
  • Perform cell culture experiments to optimize N-1 perfusion processes as well as intensified fed-batch processes
  • Represent the cell culture development group for pipeline projects in cross-functional meetings and collaborate closely with cell line, purification, analytical and formulation development leads to meet project timelines
  • Author and review technical reports, GMP campaign summary reports, and relevant sections in regulatory filings
  • Proactively identify and implement opportunities to optimize platform processes and deepen process understanding
  • Present scientific findings at internal or external conferences
  • Collaborate effectively with colleagues to promote a positive and efficient laboratory environment, and actively contribute ideas to enhance lab workflows and practices

Benefits

  • paid time off (vacation, holidays, sick)
  • medical/dental/vision insurance
  • 401(k)
  • short-term incentive programs
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