Electrical Engineer — Organ Rewarming Systems

Until; San Francisco (CA); On-site; USD 120,000 - 130,000; Full time

Benefits offered by this job

Medical, dental & vision insurance

Flexible time off

Salary + equity

401(k) retirement plan

FSA & commuter benefits

Lunch provided

Monthly learning stipend

On-site fitness center

Team social budget

Job summary

Until is a moonshot company building a pause button for biology. We design and develop organ-scale cryopreservation solutions and rewarming hardware.

You will join a fast‑paced team of electrical engineers and physicists driving early advances in high‑power rewarming systems. As an electrical engineer, you will design, test, and iterate analog and digital circuits, power converters, and control architectures while building robust hardware test setups.

Qualifications

• Strong fundamentals in physics and electrical engineering.
• Experience designing, building and debugging both analog and digital circuitry.
• Experience with basic control systems and mechanical design.
• Demonstrations of exceptional ability and autonomy in past work.
• Desire to join a small, fast paced team on an excellent adventure.

Responsibilities

• Design, build, test, and debug electrical hardware for organ rewarming systems.
• Develop power converters, resonant matching networks, instrumentation and control systems.
• Build test fixtures, data acquisition systems, experimental setups and control software for high‑power hardware validation.
• Learn quickly, take ownership of ambiguous problems, and contribute across the full rewarming hardware stack.

Skills

Analog & Digital circuitry

Electrical engineering fundamentals

Control systems

Mechanical design

Autonomy & initiative

Job description

Until is a moonshot company building a pause button for biology. We design and develop organ-scale cryopreservation solutions and rewarming hardware.

You will join a fast‑paced team of electrical engineers and physicists driving early advances in high‑power rewarming systems. As an electrical engineer, you will design, test, and iterate analog and digital circuits, power converters, and control architectures while building robust hardware test setups.