Until Labs

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We are building reversible cryopreservation technology to solve the organ procurement and matching problem. Cryopreservation is already essential to modern medicine — powering IVF and life-saving stem cell therapies. Now, we’re extending this technology to whole human organs — transforming hours of viability into weeks, or months, however long is necessary — so that no donated organ is lost to logistics, and no patient dies waiting. By solving this immediate need, we de-risk and build the foundation for what comes next: whole-body reversible cryopreservation. We're pausing molecular motion to give patients a bridge to future cures.

1 open roleTeam 37Since 2025Latest: Mar 1, 2026, 12:00 AM UTC
HealthtechBiotech
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Senior Cryogenic Systems Engineer

Until Labs

We are building reversible cryopreservation technology to solve the organ procurement and matching problem. Cryopreservation is already essential to modern medicine — powering IVF and life-saving stem cell therapies. Now, we’re extending this technology to whole human organs — transforming hours of viability into weeks, or months, however long is necessary — so that no donated organ is lost to logistics, and no patient dies waiting. By solving this immediate need, we de-risk and build the foundation for what comes next: whole-body reversible cryopreservation. We're pausing molecular motion to give patients a bridge to future cures.

Systems Engineer11 days ago
Full TimeRemoteTeam 37Since 2025

Lead the design and execution of cryogenic fluid systems, translating process requirements into engineered systems while collaborating with interdisciplinary teams.

Aspen HysysCryogenic FluidsHeat-ExchangersHigh-Pressure PipingInstrumentationPromaxPumpsSafety InfrastructureValves
California