Skip to content
Updated How AI-exposed are the skills employers are hiring for? See the data →

From the employer's careers site First seen 27 Oct 2026

Research Associate, In Vivo

FL106 Inc. Cambridge, MA entry full-time

Salary

$65,000 - $93,500 per year

Apply on FL106 Inc.

Description

We are seeking a highly motivated Research Associate with broad expertise conducting in vivo studies, histology preparation and analysis, and molecular biology.

This individual will play an important role in generating high-quality data on the biodistribution, target engagement, and biological response of our molecules in animal models.

Key Responsibilities:

  • In Vivo Pharmacology:
  • Conduct in vivo studies in rodent models including experience with peripheral administration (IV, IP, SC) and stereotactic surgeries for direct to CNS administration.
  • Conduct terminal procedures, including animal takedowns, blood collection, and necropsies.
  • Perform tissue harvesting and dissection as appropriate for downstream bioanalytical and histological applications.
  • Histology & Imaging:
  • Prepare, embed, and section a variety of mammalian tissues using microtome, vibratome, or cryostat techniques (FFPE or fresh-frozen samples).
  • Perform immunohistochemistry (IHC) and immunofluorescence (IF) on tissue sections.
  • Acquire high-quality images using epifluorescence and/or confocal microscopy.
  • Perform in vivo and ex vivo fluorescence and bioluminescence imaging using IVIS or equivalent small-animal imaging systems, including organ collection, image acquisition, and quantitative analysis of signal intensity and tissue distribution.
  • Conduct quantitative image analysis (cell counts, regional MFI, colocalization analysis, morphometric quantification) using software such as ImageJ, QuPath, Halo, or equivalent platforms.
  • Molecular Biology:
  • Perform measurement of gene and protein expression analyses using qRT-PCR, Western blotting, and ELISA methodologies and interpret data.
  • Report results clearly to the scientific team.

Qualifications and Skills:

  • Bachelor’s degree or higher in Cell Biology or a related field, with 1+ years of laboratory experience, preferably in the biopharmaceutical industry.
  • Strong hands-on experience with rodent in vivo studies.
  • Strong hands-on experience in histology, including tissue embedding, sectioning, staining, IHC/IF, and imaging.

Additional Qualifications (preferred but not required):

  • Authorship on a peer reviewed publication.
  • Experience with multiplex IHC/IF and advanced image analysis platforms.

Benefits:

  • Healthcare coverage.
  • Annual incentive program.
  • Retirement benefits.
  • A broad range of other benefits.

Skills

Required

  • in vivo studies
  • histology
  • molecular biology
  • rodent models
  • immunohistochemistry
  • immunofluorescence
  • microscopy
  • image analysis
  • qRT-PCR
  • Western blotting
  • ELISA

Nice to have

  • multiplex IHC/IF
  • advanced image analysis platforms
  • authorship on a peer reviewed publication

Ready to apply?

You apply with the employer directly. Their original posting is here: https://job-boards.greenhouse.io/flagshippioneeringinc/jobs/8855856002

Apply on FL106 Inc.