Participate in the routine production of mammalian cell culture products within the Vacaville Manufacturing Facility, operating in at least one of the following production areas: Responsibilities: Upstream Manufacturing (UM): Primary focus is the cleaning, sterilization and operation of fixed vessel systems for media preparation, fermentation, and harvest operations; perform seed train operations; perform dispensing of components; handle and aliquot hazardous materials. Downstream Manufacturing (DM): Responsibilities include the operation and cleaning of fixed tank systems, the operation and cleaning of filtration systems, large-scale buffer preparation, and the operation of column chromatography systems; perform dispensing of components; handle and aliquot hazardous materials.