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Sanofi Group Senior Scientist, Ex Vivo Gene Therapy, Hemoglobinopathies, Rare Blood Disorders in Waltham, Massachusetts

We are seeking a highly motivated and creative PhD level scientist to perform hematopoietic stem cell biology and gene editing experiments in support of development of next generation gene therapies for hemoglobinopathies. The successful candidate will be an integral member of a research team responsible for generating supporting preclinical research data for drug discovery programs. The candidate will be responsible for the scientific leadership and execution of preclinical research work, including characterization of gene edited cell products, development of assays to support clinical trials and biological validation of novel therapeutic genetic targets. The ideal candidate is expected to effectively work within cross-functional teams in a matrix environment. The ideal candidate possesses experience in one or more of the following: sickle cell disease, hematological biology, hematopoietic stem cell biology and/or gene editing/genomics, including analytical methodologies. A working knowledge of drug discovery research is a plus.


  • Work with multidisciplinary, internal and external project teams to design, execute, analyze and document experiments

  • Perform detailed characterization of gene editing of hematopoietic stem cells using state of the art analytical techniques and technologies

  • Provide scientific expertise to develop and execute experiments to establish and support key assays in the clinical development of ex vivo gene therapy products

  • Work with manufacturing research teams to implement research findings and assay development into process optimization

  • Identify and validate novel genetic targets that could represent potential treatments for patients with hemoglobinopathies

  • Participate in and oversee academic and/or industry collaborations

  • Present research work at internal meetings and external national and international conferences


The ideal candidate:

  • Possesses research experience and technical skills in hemoglobinopathies disease research, hematology, hematopoietic stem cell biology and/or gene editing/genomics, including a strong publication and presentation record in notable scientific forums

  • Demonstrated research expertise and experience in molecular biology, including hematopoietic stem cell culture, expansion, transfection and transduction

  • Experience in flow cytometry is a plus

  • Familiar and proficient with gene editing techniques and assay development and validation, including next-generation sequencing; Experience with single-cell technologies (e.g. 10X Genomics) is a plus

  • Keeps up-to-date on relevant literature and applies knowledge to ongoing research work and the strategic direction of experimental priorities

  • Highly motivated, independent, collaborative, and able to communicate effectively with a cross-functional team.


  • PhD in Pharmacology, Biology or related biological science with 4+ years of relevant post-doctoral/industry experience

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.



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