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Scientist, Process Development

United States, Philadelphia · Job Posted May 05, 2026
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Job Description

Reporting to the Associate Principal Scientist, Process Development, the Scientist, Process Development will lead the refinement, development, and characterization of cell therapy processes, and support the transfer of product candidates to Cabaletta’s external manufacturing partners (CDMOs). This role partners closely with cross-functional teams including MSAT, Analytical Development, Preclinical, Quality, CMC, and Regulatory to enable robust, scalable, and compliant manufacturing processes. The position may require up to 10% domestic travel, as well as occasional weekend or extended-hour support during critical activities such as tech transfer or manufacturing campaigns.

Job Responsibility

  • Design and execute process development experimental plans, author associated protocols and reports, and present data and insights to cross-functional teams
  • Develop phase-appropriate cell therapy manufacturing processes using Quality by Design (QbD) principles
  • Support technology transfer of processes to CDMOs for early-phase cGMP clinical manufacturing, as needed
  • Contribute to the development of platform manufacturing processes and ensure readiness for clinical and future commercial manufacturing
  • Identify and evaluate opportunities to improve manufacturing performance, including cost, throughput, robustness, and quality
  • Maintain laboratory materials and sample inventory to support experimental planning and execution
  • Accurately document experimental data in a timely manner, ensuring data integrity, traceability, and compliance with protocols
  • Maintain individual training requirements in a compliant state
  • Contribute to regulatory filings (e.g., IND/CTA) and technical documentation, as needed
  • Other related duties, as assigned

Requirements

  • Bachelor’s Degree with 4+ years of experience, or Master’s Degree with 2+ years of experience, within biologics process development and manufacturing under cGMP processes
  • Experience with cell therapy manufacturing scale-up, technology transfer, and process development methods is required
  • Experience with basic biological laboratory techniques such as cell culture, PCR, cell-based bioassays, and/or ELISA
  • Extensive experience in flow cytometry and cell-based assays is required
  • Strong problem-solving skills are preferred
  • Experience supporting regulatory documentation, including but not limited to INDs, CTAs, and BLAs
  • Previous experience and working knowledge of T-cells or immunological cell therapies
  • Good working knowledge of cGMP manufacturing for biological processes and ICH regulations
  • Highly organized and efficient, with a curiosity for cutting-edge science
  • Strong team orientation and a passion for continuous self-development
  • Ability to coordinate parallel tasks across multiple projects, demonstrating strong prioritization skills

Nice to have

Strong problem-solving skills are preferred

What we offer

  • health and retirement
  • PTO
  • stock option plans

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