This includes preventative maintenance, calibration, and validation of equipment ranging from simple devices such as water purification, scales/ balances, centrifuges, freezers/LN2 storage units/refrigerators, incubators, and humidity chambers to high performance liquid chromatography (HPLC/UPLC), LCMS and Fast protein liquid chromatography, or equivalent instruments. water purification, scales/ balances, centrifuges, freezers/LN2 storage units/refrigerators, incubators, and humidity chambers, high performance liquid chromatography (HPLC/UPLC), and Fast protein liquid chromatography, or equivalent instruments).