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Sanofi Group Senior Scientist - Downstream Process Development in Framingham, Massachusetts

Position: Senior Scientist - Downstream Process Development

Location: Framingham, Massachusetts


The Senior Scientist - Downstream Process Development in MSAT (Manufacturing Science and Technology) will work in a matrix team management environment with global engineers and scientists to achieve robust and a scalable purification processes to support 2nd generation processes, late stage programs and life-cycle management. This position will support the development of purification processes for a wide variety of molecules and modalities.

In concert with Sanofi’s Patient First philosophy, this role will play a key role in developing robust and scalable protein purification processes to deliver to the manufacturing group. As part of the MSAT group this position will also support the manufacturing team to ensure the successful technical transfers to produce pharmaceutical drugs for life saving therapies.

The drug substance function within global Manufacturing Science & Technology (MSAT) is the owner of Life Cycle Management (LCM) of DS Processes within Sanofi biologics manufacturing network. We deliver innovative, robust, and cost-effective next generation processes and provide commercial manufacturing support. The function is responsible for tech transfer activities including process fit-gap assessment, process validation, prepare dossier sections, & PAI support to enable launch of new and LCM products. Our expansive portfolio covers 17 products, 5 modalities, 3 expression systems within 12 internal and external global sites in US and EU. We will be supporting launch of 20 new products in next 5 years including monoclonal and multi-specific antibodies, fusion protein, antibody-drug conjugate, synthorins and nanobodies. In recent years we have successfully established second-generation manufacturing process with continuous process platform. We are pursuing future innovations such as digital labs, factory of future and advanced analytics based process understanding and control.


  • Work with a global group of engineers and scientists to develop robust and scalable downstream processes for monoclonal antibodies, bispecific antibodies, Fc-, Fab-, and fusion proteins, enzymes, and other recombinant proteins to support GMP manufacture.

  • Work on MSAT development and pilot-scale projects, to include regular team meetings and updates for, data management, investigations, technical report writing and regulatory filings.

  • Support regulatory filings including establishing of scale-down models

  • Support technology transfer including projects for internal and external partners.

  • Support cGMP manufacturing activities including troubleshooting, major investigation and life-cycle management


  • PhD in Chemical Engineering or a related discipline, with minimum of 4+ years of relevant experience; OR

  • M.S./M.A. in Chemical Engineering or a related discipline, with minimum of 8+ years of relevant experience ; OR

  • B.S./B.A. in Chemical Engineering or a related discipline, with minimum of 10+ years of relevant experience AND

  • Experience with downstream processes of both lab scale and cGMP biologics production including chromatography (e.g. AKTA), Nano and UF/DF filtration

  • Experience with process development, process characterization, control strategy definition, process validation, and commercial launch

  • Experience with stability, biophysical characterization and routine protein analytical techniques

  • Prior experience in process scaling and or technology transfer

  • Experience with authoring and executing protocols, interpretation of data and generating final reports

  • Experience working on late phase and commercial programs.


  • Experience with managing a group of scientists and technicians

  • Experience with project leadership and timeline management

  • Experience with cross-function collaborations

  • Experience with contract manufacture and external partnership

Sanofi Inc. and its U.S. affiliates are Equal Opportunity and Affirmative Action employers committed to a culturally diverse workforce. All qualified applicants will receive consideration for employment without regard to race; color; creed; religion; national origin; age; ancestry; nationality; marital, domestic partnership or civil union status; sex, gender, gender identity or expression; affectional or sexual orientation; disability; veteran or military status or liability for military status; domestic violence victim status; atypical cellular or blood trait; genetic information (including the refusal to submit to genetic testing) or any other characteristic protected by law.



At Sanofi diversity and inclusion is foundational to how we operate and embedded in our Core Values. We recognize to truly tap into the richness diversity brings we must lead with inclusion and have a workplace where those differences can thrive and be leveraged to empower the lives of our colleagues, patients and customers. We respect and celebrate the diversity of our people, their backgrounds and experiences and provide equal opportunity for all.