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Until is a moonshot company building a “pause button” for biology. Our near-term focus is organ-scale reversible cryopreservation: preserving donated organs at subzero temperatures without ice formation, then rewarming them uniformly for transplant. By solving this grand challenge, we’re laying the foundation for whole-body reversible cryopreservation, giving patients a bridge to future cures. To achieve our goal, we are assembling an interdisciplinary team to develop perfusion systems, cryoprotectant formulations, and vitrification and rewarming hardware. We envision a future where no transplantable organ is lost to logistics, and no terminal diagnosis is final because patients can safely wait for future medicine to arrive. About The Role We are seeking a Scientist to join our whole organ preservation team. You will apply your experience in perfusion, preservation, viability assessment and your passion for rapid protocol development to make successful large organ cryopreservation a reality. You will have the opportunity to collaborate with scientists and engineers across the company on variety of methods inspired by first principles of biology, physics, and chemistry. Creative scientific engagement is a requirement of the role, and new avenues for discovery and optimization are continuously supported.