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Research Associate (Organ Perfusion)

Until
Bay Area, United Statesfull_timeVerifiedPosted 27 Aug 2025

About the role

At Until, we are optimistic that human whole-body reversible cryopreservation is solvable. We’ve built a world-class multidisciplinary team and raised $48M to tackle this problem.
We are a research company pushing against the boundaries of biology, chemistry, engineering, and physics to developing groundbreaking cryopreservation technologies. Our transplant organ protocol will enable indefinite organ storage so every donated organ can save a life. Ultimately, whole-body reversible cryopreservation will let patients pause biological time until cures for fatal diseases exist. Candidates will join an ambitious founding team with infrastructure, engineering talent, and operational support beyond what’s possible in academia.
About The RoleWe are seeking an experienced and dedicated full-time Research Associate to join our whole organ preservation team. As Research Associate, you will play a vital role in the scientific progress of our research program. The primary focus of this role is on developing organ perfusion protocols, with an emphasis on organ isolation, preservation, and viability evaluation. The person in this role is encouraged to take on significant ownership of specific technical challenges.
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 encouraged, and new avenues for discovery and optimization are continuously supported.

Responsibilities

  • Perform pig organ isolation and ex-vivo evaluation protocols, including perfusion and histology
  • Work within scientific team to evaluate health of organs following cryopreservation
  • Survey literature and conduct experimental tests to answer critical questions towards optimizing preservation protocol
  • Ensure accurate sample processing and on-time data reporting

Qualifications

  • You have an undergraduate degree in a STEM field, or significant STEM-related training
  • You have 2 years experience and an excellent record of success performing complex and demanding laboratory procedures, ideally with training in ex vivo organ perfusion and viability assessment.
  • You have demonstrated a passion for rapid problem solving and exploration of novel topics / protocols.
  • Desire to work in a laboratory setting.
  • You have experience or interest in physiology, with a creative approach to understanding and manipulating functions of organs.
  • You demonstrate agency, problem solving, passion for discovery, and a drive to push the boundaries of science through meaningful involvement in an ambitious project.

Benefits

  • A unique opportunity to apply your skills towards developing impactful technology and work with an ambitious team
  • Medical and dental insurance coverage
  • Flexible time off and paid holidays
  • Competitive compensation package, including salary and equity
  • Access to a 401(k) retirement savings plan
  • Subsidized lunch daily
We look forward to reviewing your application and having you join our team at Until as we embark on the journey of scientific discovery.

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Company

Until

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