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Bioassay Researcher

Guidehouse
Silver Spring, MD, United States Posted Jul 10, 2026
On-site

About this role

About the Role The Bioassay Researcher will provide scientific and laboratory research support for approved bioassay projects focused on establishing, characterizing, optimizing, and validating cell-based and biochemical assays for biological therapeutics. The role involves hands-on laboratory work to advance bioassay development and characterization, including transcytosis and permeation assays to evaluate deposition and transport of biological therapeutics. What You'll Do

  • Provide scientific and laboratory research support to establish, characterize, optimize, and validate bioassays for biological therapeutics.
  • Culture and maintain mammalian and immortalized cell lines using aseptic laboratory techniques.
  • Develop and optimize cell-based transcytosis and permeation bioassays to evaluate transport of biological therapeutics across epithelial cell layers.
  • Validate established bioassays against defined performance criteria, including reproducibility. What We're Looking For
  • Experience with mammalian cell culture and aseptic technique.
  • Familiarity with developing and optimizing cell-based and biochemical bioassays.
  • Ability to design and execute experiments to evaluate bioassay performance and reproducibility. Nice to Have
  • Experience with transcytosis and permeation assays.
  • Experience working on projects for regulatory submissions or quality surveillance (as context).

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