The Department of Energy, through the Argonne National Laboratory, is seeking proposals for the development of a Cryocooler System intended for next-generation Nb3Sn-coated cavities. This procurement aims to enhance the capabilities of superconducting radio frequency (SRF) cavities, which are critical components in particle accelerators and other advanced scientific applications. The selected contractor will be responsible for delivering a system that meets specific performance criteria, contributing to advancements in research and development within the physical and engineering sciences. Interested parties should contact Michael Oprondek at moprondek@anl.gov or by phone at 630-252-7069 for further details regarding the proposal submission process and any associated deadlines.