Principal Scientist, Virology & Immunology CSL Seqirus | Waltham, MA | Onsite, 5 days per week The Opportunity CSL Seqirus is seeking a Principal Scientist to join our Research Virology and Immunology (RVI) team in Waltham, MA. Reporting to the Director, Vaccine Virology & Immunology, you will provide scientific leadership and hands-on laboratory expertise to advance seasonal and pandemic influenza vaccines, support existing products, and evaluate new respiratory-virus vaccine opportunities. Th…