Techniques may include live-virus and pseudovirus neutralization, infectious-virus culture and titration, plaque and focus-forming assays, TCID50, RT-qPCR, reverse genetics, hemagglutination inhibition (HAI), microneutralization, ELISA, neuraminidase inhibition, and functional antibody assays such as antibody-dependent cellular cytotoxicity (ADCC). 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.