Biotech company in Irvine, CA is seeking a Director of Fermentation with experience operating fermentation-based technologies ranging from lab scale to commercial scale. This role will have responsibility for the performance and output of fermentation-based processes, including the first biocatalytic step in the process. This role works hand-in-hand with the company’s engineering, operations, and materials teams to develop and optimize robust, high-yield and scalable production processes. The ideal candidate will have considerable experience and expertise in aerobic fermentation of microorganisms at commercial scale (e.g., 75,000-liter vessels and above).