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Scientist, Cellular Immunology Preclinical

United States, Philadelphia · Job Posted April 22, 2026
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Job Description

We are seeking a highly skilled and motivated Scientist with expertise in cell-based assays for CAR T cell therapy. As a key member of our research and development team, you will play a crucial role in advancing the field of cellular immunotherapy by developing in vitro and ex vivo assays to contribute to enhancing the safety and efficacy of CAR T cells in preclinical settings. This position offers an exciting opportunity to contribute to groundbreaking research that has the potential to revolutionize treatment for autoimmune disease patients.

Job Responsibility

  • Conduct hands-on laboratory experiments following established protocols to generate CAR T cells
  • Perform and optimize cytotoxicity and flow cytometry assays
  • Perform and validate ELISpot, ELISA, Luminex, or other assays as needed
  • Maintain and expand, bank, and manage various cell lines
  • Actively contribute to process improvements and the implementation of new technologies
  • Perform lab associated tasks in accordance with Cabaletta Bio lab safety policies and SOPs
  • Ensure proper maintenance and cleanliness of laboratory equipment and workspaces
  • Maintain accurate and well-organized records and electronic laboratory notebook
  • Analyze experimental data using basic statistical methods and software tools to generate meaningful insights
  • Work collaboratively within a multidisciplinary team, actively participating in team meetings and discussions
  • Communicate experimental results and findings effectively to colleagues and supervisors through written reports and oral presentations

Requirements

  • Ph.D. in Immunology, Cell Biology, Molecular Biology, or a related field with 0-2 years, or Master's degree with a minimum of 5 years, or Bachelor’s degree with minimum of 10 years of experience
  • Hands-on experience with cell culture and basic molecular biology techniques
  • General lab skills, including aseptic techniques and human tissue handling required
  • Must have prior experience and be highly skilled at mammalian cell culture (aseptic techniques)
  • Experience in primary cell husbandry, cytotoxicity assays, and flow cytometry
  • Must be highly organized and able to work independently
  • A high level of flexibility to support various other activities and the ability to learn new techniques outside of existing field of expertise
  • Strong team orientation and passion for continuous self-development
  • Strong organizational skills, attention to detail, and the ability to follow protocols accurately
  • Effective written and verbal communication skills to share experimental findings and collaborate with team members

Nice to have

  • Experience working in a research or industry setting related to immunology, cell therapy, or gene editing
  • Experience in industry or in a startup industrial setting
  • Solid understanding of CAR T cell therapy, immune cell biology, and cellular immunotherapy
  • Enthusiasm for learning and contributing to innovative research in the field of CAR T cell therapy

What we offer

health and retirement, PTO, and stock option plans

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