Research ScientistLife Sciences
Principal Scientist, Process Development (Expression Systems)
Moderna · Norwood, Massachusetts, United States
Apply on employer site →Posted September 2, 2026
About the role
Moderna is hiring a Principal Scientist, Process Development (Expression Systems), in Norwood, MA, to lead host strain, vector, and expression-system strategy for E. coli-based production of recombinant enzymes, plasmids, and related biological materials supporting Moderna's platforms and pipeline. The role owns the front end of microbial production: designing, building, screening, and selecting host/vector/expression systems for high-performing, scalable upstream processes, and calls for deep expertise in microbial genetics, molecular biology, and expression-system design.
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