Demo

Scientist

Rose International
San Diego, CA Contractor
POSTED ON 3/30/2026 CLOSED ON 4/3/2026

What are the responsibilities and job description for the Scientist position at Rose International?

We are seeking a highly motivated and detail-oriented Contract Wet Lab Scientist to join our Discovery Biology team in San Diego. This is a hands-on role central to a high-priority binder screening campaign aimed at identifying and validating novel therapeutic candidates for T-cell-based therapies.

What You’ll Do:

  • Execute bench-level assays to characterize potency, specificity, and safety of candidate binders (e.g., scFvs, VHHs).
  • Perform non-viral engineering of primary human T cells, including delivery of mRNA or transposon-based DNA systems via electroporation/nucleofection.
  • Maintain and expand primary T cells and Jurkat cell lines with impeccable aseptic technique.
  • Conduct multi-color flow cytometry (FACS) and analyze data using FlowJo.
  • Run functional assays, including cytotoxicity (IncuCyte/LDH), cytokine profiling (ELISA, MSD, Luminex), and T-cell proliferation tracking (CFSE).
  • Meticulously document experiments and raw data in an Electronic Lab Notebook (ELN).
  • Utilize liquid-handling robotics for high-throughput screening when needed.
  • Present data-driven updates in weekly campaign meetings.

What We’re Looking For:

  • Bachelor’s or Master’s degree in Immunology, Molecular Biology, Bioengineering, or related biological sciences.
  • 2 years of hands-on wet lab experience, preferably in an industry setting.
  • Mastery of aseptic technique and experience isolating primary T cells from PBMCs.
  • Strong expertise in flow cytometry acquisition and analysis.
  • Experience with non-viral transfection methods is highly preferred.
  • Excellent communication skills and ability to thrive in a fast-paced drug discovery environment.

Why Join Us:

This is a contract opportunity (6–12 months) for scientists who love being at the bench and want to make an immediate impact on the development of next-generation T-cell therapies. You will work in a collaborative team that values precision, innovation, and rapid scientific progress.

Apply today and help advance transformative therapies for patients in need.

Salary : $44 - $49

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