Are you passionate about developing and validating cutting-edge ATMP analytical methods?
Do you enjoy working in collaborative scientific environments where innovation, quality, and teamwork go hand in hand?
Are you motivated by the opportunity to help build and lead a growing scientific team within an ambitious and fast-evolving company?
At QUATRE, we continue to grow and are looking for an experienced Senior Biomolecular Scientist to strengthen our analytical development and validation activities in Cell & Gene Therapy and viral vector platforms.
? About QUATRE
At QUATRE, we support our clients in the development, characterization, and validation of advanced analytical solutions for highly regulated and scientifically demanding environments.
What defines us:
• Scientific excellence and technical rigor
• Client-oriented mindset and collaborative approach
• Teamwork and positive work culture
• Commitment to quality, innovation, and impactful results
We are a multidisciplinary team combining scientific expertise, strategic thinking,



and operational excellence to deliver robust and efficient solutions to our partners.
We especially value people with a constructive attitude, open mindset, strong communication skills, and genuine enthusiasm for contributing to both science and team growth.
? Your mission
You will play a key role in the development and validation of analytical methods for ATMPs, Cell & Gene Therapy products, and viral vectors, while contributing to the expansion and structuring of QUATRE’s analytical scientific capabilities.
This position combines high-level scientific expertise, client interaction, and progressive team leadership responsibilities.
? What will you do?
• Lead and support the development and validation of analytical methods for Cell & Gene Therapy and viral vector platforms
• Contribute to biosafety, microbiological control, and analytical characterization activities for CGT products
• Work closely with QC scientists and multidisciplinary

📌 Científico analítico (San Sebastián)
🏢 QUATRE LAB
📍 San Sebastián