Sr/Principal. Scientist, Analytical Development

Our client located in Cambridge, MA is growing their Center of Excellence for Cell Therapy team; and looking for a Sr./Principal Scientist, Analytical Development.  This hands-on role will be responsible for characterization of their T cell products and development of in-process and release assays to support process development and manufacturing.


  • Lead the development and qualification of assays for cell therapy projects with focus on PCR, ELISA, and/or cell-based functional assays
  • Select, design and implement analytical methods to test raw materials, process intermediates, drug substances and drug products
  • Author standard operating procedures (SOPs), development, qualification and validation reports; contribute to regulatory filings
  • Design independently and conduct experiments, assays or operational procedures of considerable complexity with considerable discretion as to work details requiring complicated scientific analysis, operational planning and execution
  • Effectively communicate complex scientific findings and recommendations in one-on-one discussions and departmental functional and internal meetings
  • Transfer analytical methods to external/internal labs
  • Ensure that laboratory notebooks are consistently updated, peer-reviewed, and well-maintained
  • Other duties as assigned


  • PhD in the biological sciences with minimum of 4 years, MS with 8 years or BS with 12 years in assay development in biotech, or equivalent experience
  • Experience with techniques in molecular biology, such as RT-PCR, ddPCR, and/or protein analyses (ELISA, western blot) highly desired
  • Experience with assay qualification and validation and familiarity with FDA, ICH and GMP guidelines is a plus
  • Comfortable in a fast-paced small company environment with minimal direction and able to adjust workload based upon changing priorities