# Research Assistant

> Excelya · Saclay, France · — · Posted 2026-06-16

**Workplace:** on_site

**Department:** Pre-Clinical - Resourcing

## Description

Join Excelya, a dynamic and innovative company committed to excellence and collaboration in the field of translational research.

As a Research Assistant in Histopathology, you will contribute to the preparation, processing, and analysis of biological tissue samples to support research projects across various therapeutic areas.

**Key responsibilities include:**

-   Perform **necropsy procedures and tissue collection** on in vivo models in accordance with experimental protocols, ethical guidelines, and regulatory standards, ensuring accurate documentation of macroscopic findings.
-   Conduct a full range of **histology and molecular pathology techniques**, including tissue processing, paraffin embedding (FFPE), sectioning, and staining (H&E, special stains such as Sirius Red and Masson).
-   Execute **immunohistochemistry (IHC) and RNAscope assays** (simple or multiplex) using automated platforms (e.g. Ventana, Leica, COMET), ensuring reproducibility and data quality.
-   Perform **data quality control checks** and contribute to the validation of study data in collaboration with pathologists and study teams.
-   Carry out **digital slide scanning and image analysis** using specialized software such as Visiopharm and HALO, applying established algorithms and ensuring analysis accuracy.
-   Support **laboratory operations**, including equipment maintenance, reagent stock management, and the preparation or update of SOPs and working procedures.
-   Contribute to **study reporting and documentation**, including preparation of figures, tables, and scientific data summaries, and collaborate with cross‑functional teams to ensure smooth execution of projects.

## Requirements

-   **Education:** Bachelor’s or Master’s degree in **Biology, Histology, Pathology, or related life sciences field**

-   **Experience:** Proven experience in **histopathology techniques and laboratory environments**, ideally within **preclinical, toxicology, or translational research settings**

-   **Technical Skills:**

\-Strong expertise in **histological sample preparation** (fixation, embedding, sectioning)

\-Hands‑on experience in **histological staining** (H&E, special stains)

\-Knowledge of **immunohistochemistry (IHC)** and **molecular techniques** such as RNAscope

\-Experience with **automated staining platforms** (Ventana, Leica, COMET) is a plus

\-Familiarity with **digital pathology and image analysis tools** (Visiopharm, HALO)

-   **Languages:** Good command of **scientific English**, particularly for documentation and reporting

## Benefits

**Why Join Us?**

At Excelya, we combine passion for science with enthusiasm for teamwork to redefine excellence in healthcare.

Here’s what makes us unique.

We are a young, ambitious health company representing 900 Excelyates, driven to become Europe’s **leading mid-size CRO** with the **best employee experience**. Our **one-stop provider service model** offering full-service, functional service provider, and consulting enables you to evolve through diverse projects. Working alongside preeminent experts, you will help improve scientific, operational, and human knowledge to enhance the patient’s journey.

**Excelling with care** means benefiting from an environment that values your natural talents, pushes boundaries with audacity, and nurtures your potential, allowing you to contribute fully to our shared mission.

## Apply

[Apply at Excelya](https://apply.workable.com/excelya/j/00DE02C747/apply)

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