Until · 1 month ago
Sr. Mechanical Engineer, Fluidics/Perfusion
San Francisco, CA
Full-time
Onsite
Mid, Senior Level
$150K/yr - $210K/yr
3+ years expUntil is a moonshot company focused on organ-scale reversible cryopreservation. They are seeking a Senior Mechanical Engineer to join their interdisciplinary team, responsible for developing innovative systems and technologies that push the boundaries of engineering in cryopreservation.
BiotechnologyLife Science
Responsibilities
Developing new systems for heat and mass transfer in N-of-1 perfusion and heat exchange devices
Qualification
Required
Track record of exceptional engineering abilities
Experience leading highly technical, multidisciplinary teams
3+ years experience/graduate level in Mechanical Engineering, Physics, or equivalent
Deep understanding of heat and mass transfer principles alongside fluidic design experience
High degree of autonomy across full engineering stack: electromechanical design and fabrication, control software, physical modeling
Desire to join a fast-paced, scrappy engineering team
Preferred
Experience with organ perfusion in a research or clinical context
Experience working in a startup
Benefits
Generous medical, dental and vision insurance coverage for employees and their dependents
Flexible time off and paid holidays
Competitive compensation package, including salary and equity
Access to a 401(k) retirement savings plan
FSA and commuter benefits
Subsidized lunch daily
Company
Until
We are building reversible cryopreservation technology to solve the organ procurement and matching problem.
11-50 employees
Funding
Current Stage
Early StageTotal Funding
$106MKey Investors
Founders Fund
2025-09-22Series A· $58M
2024-06-06Series A· $48M
Leadership Team
Hunter Davis
Co-founder, CSO
Recent News
2025-11-28
Company data provided by crunchbase