Scientist I, Cell Immunotherapy Characterization

Research & Development Cambridge, Massachusetts


Scientist I, Cell Immunotherapy Characterization


About Us:
We are Repertoire Immune Medicines – a Flagship Pioneering company working to unleash the remarkable power of the human immune system. We seek to harness the intrinsic ability of T cells to prevent and cure disease. Our mission is a challenging one, requiring a complex and multi-dimensional approach that integrates cutting-edge biology and sophisticated, novel technologies. We stand ready to meet this challenge with our unique platforms, world-class team and unparalleled network of researchers, clinicians, academics and entrepreneurs.

Position overview:
We are seeking a highly motivated, independent immunology professional to join our growing Cell Therapy Analytical Development/QC team. The successful candidate will contribute to assay development, method execution and process/product characterization efforts supporting the development of our Deep-Primed™ cell therapy platform.  This lab-based role will work closely in a cross-functional team of immunologists and engineers to support analytical method development/optimization, product characterization, formulation development, and process development efforts. Primary responsibilities include experimental design and execution, data analysis, documentation, and verbal and written communication of results to the team and management.
A self-starting attitude and the ability to focus and execute in a fast-paced, dynamic, and highly collaborative environment is a must. There is significant opportunity for career growth and continuous learning in the highly collaborative Repertoire work environment.

  • Develop, execute and optimize analytical methods for the characterization of immune cells, proteins, bioconjugates and/or nanoparticles
  • Contribute ideas for novel assays, method improvements, new instrumentation, and data analysis approaches
  • Contribute to method optimization and troubleshooting strategies in collaboration with Repertoire teams
  • Collaborate with Process Development and other Repertoire colleagues to manage analytical testing needs and deliver results in timely manner



  • Ph.D.  in a relevant scientific discipline (Bioengineering, Cell Biology/Immunology, Molecular Biology, Biochemistry, etc.) with 0 - 2 years relevant industry experience
  • Hands-on analytical experience using techniques such as multi-color flow cytometry, ELISA, multiplex immunoassays, qPCR and/or other sequencing techniques, cell counting, and cell-based assays
  • Demonstrated ability to execute and lead from the bench in an integrated team environment
  • Understanding of safe lab practices, BSL requirements and documentation using ELN
  • Demonstrated curiosity and ability to master new scientific disciplines and troubleshoot both technical and scientific problems
  • Experience working with cell-based therapies highly preferred
  • Strong interpersonal skills including verbal and written communication skills are essential in our ultra-collaborative work environment
  • Previous experience managing a team is preferred