Molecular Biologist / Research Scientist

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Molecular Biologist / Research Scientist

P

proto.town

Lockhart, TX, USA

Posted on Jul 27, 2026

The role

We are building an automated biology platform and, and we are looking for a molecular biologist / research scientist to handle the core wet lab work: selection design, library construction, and readouts.

Responsibilities

• Run end to end workflows, library through selection to characterized hits
• Design selection strategy: stringency schedules, bottlenecks, counter-selections
• Design FACS sorting and screening strategies, and interpret population trajectories across rounds
  
  

Must-haves

• Cell culture: hands-on experience, ideally with yeast.
• Molecular cloning: fundamentals (PCR amplification, Gibson assembly, Golden Gate assembly, transformations); experience with sequencing services.
• Flow cytometry/FACS: gating strategies, staining, sample loading.
  
  

Nice-to-haves

Yeast genetics and surface display

• OrthoRep or other continuous hypermutation systems
• phage display or PACE
• SPR/BLI
• NGS library prep and analysis
• protein expression and purification
• Opentrons, Hamilton, Tecan, or eVOLVER-class hardware.
  
  

If you have never worked in yeast, apply anyway. We would rather hire for selection judgment and long-run discipline, and teach the organism.

See more open positions at proto.town