Protein engineer

Lorentz.bio

Bay Area on site Until 8/21/2026 First posted July 25, 2025 Last posted July 25, 2025

Job description

About The Role

Cradle is a moonshot company building a pause button for biology. We believe this will unlock medical hibernation, deep space exploration, and fundamentally change humanity's relationship with the future.

We’re building an elite team of applied physicists, engineers, and materials scientists for true full stack engineering, from electrons to operating systems. Projects will require high degree of autonomy and skill in protein engineering, with a strong emphasis on first principles thinking.

About You

Strong fundamentals in a scientific (physics, chemistry, biology, materials) discipline, excited to build the future
Experience with protein design, expression, and purification
Demonstrations of exceptional ability and autonomy in past work

Preferred Qualifications

3+ years experience/graduate level in Electrical Engineering, Mechanical Engineering, Materials Science, Physics, Biology, or equivalent
Experience with antifreeze proteins

Benefits

Opportunity for outsized impact creating the future as an early team member
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

About this role

Summary

Design and purify proteins with autonomy and strong scientific fundamentals.

Job title

Protein engineer

Experience level

3+ years

Industry

biotechnology

Location requirements

Bay Area, remote work not mentioned

Salary

Not specified

Management role

Skills & keywords

Required skills

protein designexpressionpurificationscientific fundamentals

Preferred skills

electrical engineeringmechanical engineeringmaterials sciencephysicsbiologyantifreeze proteins

Specializations

protein engineeringphysicschemistrybiologymaterials

Locations

Structured locations inferred from the posting.

Unknown location

On-site