Engineer/Applied Physicist
Until
Apply to this job Bay Area on site Until 8/23/2026 First posted March 18, 2026 Last posted March 18, 2026
Job description
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’re building an elite team of applied physicists and engineers for true full stack engineering, from electrons to operating systems. Projects will require high degree of autonomy and breadth of skill across electrical, mechanical, and computational design, with a strong emphasis on first principles thinking and a desire to make technology indistinguishable from magic.
About You
- Strong fundamentals in both a scientific (physics, chemistry, biology) and an engineering (electrical, mechanical, computational) discipline, excited to build the future
- Experience designing and analyzing both analog and digital circuitry
- Experience with basic control systems and mechanical design
- Degree in Electrical Engineering, Mechanical Engineering, Physics, or equivalent
- Demonstrations of exceptional ability and autonomy in past work
Preferred Qualifications
- 3+ years experience/graduate level in Electrical Engineering, Mechanical Engineering, Physics, or equivalent
- Experience working in a startup
Benefits
- Opportunity for outsized impact creating the future as an early team member
- Generous medical, dental and vision insurance coverage
- Flexible time off and paid holidays
- Competitive compensation package, including salary and equity
- 401(k) retirement savings plan
- FSA and commuter benefits
- Subsidized lunch daily
As an equal opportunity employer, Until is committed to providing employment opportunities to all individuals. All applicants for positions at Until will be treated without regard to race, color, ethnicity, religion, sex, gender, gender identity and expression, sexual orientation, national origin, disability, age, marital status, veteran status, pregnancy, or any other basis prohibited by applicable law.
Compensation (from employer):
120000–200000 USD per year
About this role
Summary
Designs and analyzes electrical, mechanical, and computational systems for cryopreservation technology.
Job title
Engineer/Applied Physicist
Experience level
3+ years/graduate level
Industry
biotech
Location requirements
Bay Area, remote work not specified
Salary
120000–200000 USD per year
Management role
No
Skills & keywords
Required skills
physicscircuit analysiscontrol systemsmechanical design
Preferred skills
startup experience
Specializations
applied physicscircuit designcontrol systemsmechanical design
Locations
Structured locations inferred from the posting.
Unknown location
Work arrangement unknown
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