S
Not Specified Permanent

Waltham, Massachusetts · USA job

Principal Scientist

Sanofi

Waltham, Massachusetts

Job description

Overview

In this Senior Scientist role, you will lead scale-up of cell culture bioprocesses from bench to pilot (200L-2000L) within the Genomic Medicine Cell Therapy Development Group in Waltham. You will act as a technical SME, driving process understanding, robustness, and cross-functional alignment with downstream and manufacturing teams. Your work translates lab findings into scalable manufacturing processes that support an immunotherapy-focused pipeline. This is a hands-on, impact-oriented position at the intersection of science and engineering with a strong leadership dimension.

Compensation / Benefits
  • health and wellbeing benefits
  • 14 weeks' gender-neutral parental leave
  • growth opportunities and career development
  • competitive rewards package
  • promotion or lateral move opportunities
  • global/interactive collaboration opportunities
Responsibilities
  • Lead scale-up activities from bench scale to pilot (200L-2000L) using engineering principles to ensure large-scale comparability
  • Collaborate with process development scientists to translate lab findings into scalable manufacturing processes
  • Review and approve JSAs written by equipment owners and provide feedback
  • Train employees on best practices for safety, efficiency, and operations
  • Build robust interfaces with the CMC community and promote adoption of best practices
  • Demonstrate expertise in upstream process operations across scales
  • Lead RCA investigations for process deviations and equipment failures at pilot scale
  • Present findings to senior management and external stakeholders at conferences
Key requirements
  • Master's degree in Chemical Engineering, or related discipline with minimum 6 years in large-scale bioreactors, or Ph.D with minimum 4 years in industry related to large-scale bioreactors
  • Strong background in cell culture bioreactor operations and scale-up technologies
  • Biotech/pharma industry experience in a cell culture role with strong operational excellence
  • Experience with perfusion process operations at various scales
  • Understanding of engineering principles related to cell culture processes
  • Ability to lead matrix teams for operations and lab management
  • leadership and mentorship
  • cross-functional collaboration
  • effective communication
  • upstream bioprocessing
  • cell culture bioreactor operations
  • scale-up from bench to 2000L

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