Demo

Scientist / Sr. Scientist, Medical Hibernation

Until
San Francisco, CA Full Time
POSTED ON 4/13/2026
AVAILABLE BEFORE 5/13/2026
About Until
Until is a moonshot company building a pause button for biology. In the short run, we believe this technology will meaningfully change the lives of all organ transplant patients. In the limit, we believe this technology can unlock medical hibernation, deep space exploration, and fundamentally change humanity's relationship with the future.

About The Role
We are seeking a scientist / senior scientist. Initial responsibilities will include implementing and improving our whole-body perfusion system as well as developing physiological evaluation platforms to assess the viability of vascular systems and organ systems.

Key Responsibilities

  • Implement and modify our whole-body perfusion system, monitor and maintain central physiology parameters (pressure, heart rate, respiratory rate, blood gas parameters etc)
  • Design and implement assays to assess organ, tissue and vascular damage following perfusion and cryopreservation
  • Work with our team to optimize current perfusion protocol and propose novel perfusion and cryopreservation strategies
  • Apply and communicate surgical expertise and medical insights to the team




Qualifications

  • You’ve completed an MD, PhD or DVM, ideally in medical research.
  • You have demonstrated expertise in rodent surgery
  • You have demonstrated agency and rapid problem solving capability.
  • You have demonstrated the passion to implement creative and novel approaches to solve multifaceted problems as they arise.




What We Offer

  • Direct influence on a moon-shot scientific program with clear translational impact
  • Competitive compensation package, including salary and equity
  • Generous medical, dental and vision insurance coverage for employees and their dependents
  • Flexible time off and paid holidays
  • Access to a 401(k) retirement savings plan
  • FSA and commuter benefits
  • Subsidized lunch daily
  • Budget and time allocation for professional development and conference travel



Salary : $120,000 - $180,000

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