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Research Associate (contract)

Sanofi
Cambridge, MA Contractor
POSTED ON 12/16/2025 CLOSED ON 1/14/2026

What are the responsibilities and job description for the Research Associate (contract) position at Sanofi?

Title: Research Associate II

Pay range: $44.00 - $57.00 per/hour

Work Schedule: 1st shift 9am-5pm EST

Location: Cambridge, MA -on site

Contract Length: 12 months -possible 12 month extension

Sanofi’s contingent workforce program, FLEXT Direct, is seeking a Research Associate II support Global Discovery Pathology for a 12 month contract with a possible 12-month extension

Role Overview

Global Discovery Pathology is seeking a qualified individual to assist with the execution and analysis of microscopy-based cell, organoid, and tissue assays aimed at understanding therapeutic targeting and mechanism of action.

The candidate will work with a cross-functional team of imaging scientists, histologists, and pathologists to support a wide range of therapeutic areas within the Sanofi research organization.

Education & Experience Requirements

  • M.S. degree in cell and molecular biology or a related field
  • 2 years of laboratory experience
  • Experience with:
  • Cell culture
  • General molecular biology techniques
  • Immunostaining
  • Basic fluorescence microscopy


Preferred / Highly Beneficial Experience

  • Complex in vitro models (organoids or lab-on-a-chip systems)
  • Advanced microscopy techniques, including:
  • Confocal microscopy
  • Super-resolution microscopy
  • Comprehensive image analysis, including AI-based approaches


Key Responsibilities

  • Preparation of common stock solutions
  • Maintenance and preparation of cell cultures
  • Immunofluorescence staining of samples, including:
  • Cultured cells
  • Tissue sections
  • 3D samples (thick tissue samples or whole organoids)
  • Data acquisition using both automated and human-interactive microscopy systems
  • Organization and analysis of image data
  • Operation of automated liquid handling systems for sample preparation (as applicable, based on experience)


After initial training on lab-specific processes, the candidate will be expected to work independently, following consultation with senior lab members.

Professional Skills & Expectations

  • Excellent time management, record keeping, and communication skills
  • Willingness to learn new techniques
  • Opportunity to present work within the department and at cross-functional project meetings


Work Schedule & Environment

  • Standard business hours
  • Onsite five days per week
  • Occasional off-hour work may be required based on experimental schedules
  • Mammalian cell culture only (no live animals)
  • No exposure to extreme heat or cold
  • Paid parking required at this site


Must-Haves

  • 2 years of laboratory experience (not fresh out of school)
  • Maintenance and preparation of cell cultures
  • Immunofluorescence staining of samples


Nice-to-Have Skills

  • Experience with fluorescence microscopy
  • Strong proficiency in confocal microscopy
  • Advanced skills in live-cell imaging
  • Ability to work with complex in vitro models
  • Experience performing image analysis


Salary : $44 - $57

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