This includes preventative maintenance, calibration, and validation of equipment ranging from devices such as microscopes, flow cytometers and fluidics, liquid handlers, bioreactors, cell counters, osmometers and pH meters, scales/ balances, centrifuges, (HPLC/UPLC), and fast protein liquid chromatography, or equivalent instruments. Microscopes, flow cytometers and fluidics, liquid handlers, bioreactors, cell counters, osmometers and pH meters, scales/ balances, centrifuges, freezers/LN2 storage units/refrigerators, incubators, and humidity chambers, (HPLC/UPLC), and fast protein liquid chromatography, or equivalent instruments).