5
New
USD 38.46–43.25/yr

Contract Research Associate / Senior Research Associate

United StatesUnited States·BerkeleyContractsenior
Research AssociateLaboratory & Life Sciences
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Quick Summary

Overview

**4 month contract** Company Overview At Renasant Bio, we are driven by a singular goal: to change what’s possible for patients with kidney disease.

Key Responsibilities

We are seeking a highly motivated Contract Research Associate / Senior Research Associate with strong hands-on expertise in mammalian tissue culture and cell line generation to support our Early Discovery Biology team.

Technical Tools
Research AssociateLaboratory & Life Sciences

At Renasant Bio, we are driven by a singular goal: to change what’s possible for patients with kidney disease. ADPKD remains one of the most challenging areas in medicine, and we believe it requires bold thinking, rigorous science, and a team committed to doing things differently.

We’re looking for individuals who bring both scientific rigor and creativity to hard problems, and who believe great work is built through respectful, direct collaboration. You communicate with honesty and transparency, adapt quickly as priorities evolve, and hold yourself—and others—to a high standard. Above all, you operate with urgency and purpose, grounded in the knowledge that patients are waiting.
 
Based at Bakar Labs in Berkeley, CA, we are advancing new therapies designed to make a meaningful difference for patients.

We are seeking a highly motivated Contract Research Associate / Senior Research Associate  with strong hands-on expertise in mammalian tissue culture and cell line generation to support  our Early Discovery Biology team. 

This is a bench-focused role critical to enabling our discovery pipeline through the generation,  maintenance, and characterization of robust cell models. The ideal candidate is highly  organized, technically strong in tissue culture, and comfortable working in a fast-moving startup  environment with evolving priorities.

  • Independently perform mammalian tissue culture, including cell maintenance,  expansion, passaging, cryopreservation, and cell banking 
  • Generate and characterize stable mammalian cell lines, including pooled and clonal  populations 
  • Execute cell engineering workflows including transfection/transduction, antibiotic  selection, and clone expansion 
  • Support cell-based assays and experimental workflows across discovery programs 
  • Monitor cell health, troubleshoot culture issues, and ensure consistent high-quality cell  supply
  • Maintain accurate experimental records and support protocol optimization
  • Manage tissue culture reagents, inventory, and general lab organization
  • Collaborate closely with scientists across biology to support project timelines and  deliverables 
  • BS or MS in Cell Biology, Molecular Biology, Biotechnology, or related field 
  • 3+ years (RA) or 5+ years (Senior RA) of hands-on mammalian cell culture experience
  • Demonstrated expertise in aseptic technique and mammalian cell line maintenance
  • Experience generating stable cell lines (transfection/transduction, selection, clonal  expansion) 
  • Experience with cell counting, viability assessment, and cryopreservation • Strong troubleshooting, organizational, and communication skills 
  • Ability to work independently in a fast-paced team environment 
  • Nice to Have

    ~1 min read
  • Biotech industry experience 
  • Familiarity with molecular biology techniques (RNA prep, protein prep)
  • Experience with protein characterization methods (Western blot, immunostaining, flow  cytometry)
  • Location & Eligibility

    Where is the job
    Berkeley, United States
    On-site at the office
    Who can apply
    US

    Listing Details

    Posted
    May 13, 2026
    First seen
    May 13, 2026
    Last seen
    May 13, 2026

    Posting Health

    Days active
    0
    Repost count
    0
    Trust Level
    71%
    Scored at
    May 13, 2026

    Signal breakdown

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    5
    Contract Research Associate / Senior Research AssociateUSD 38.46–43.25