Scientist, Research Scientist, Biotechnology

About the Job

Sanofi is a world-class biologics research organization focused on antibodies and NANOBODY molecules as therapeutic modalities. We are seeking an exceptional and highly motivated Senior Scientist to join our Molecular, Expression and Screening Technologies (MEST) Group within Sanofi's North America R&D LMR organization. The candidate will serve as a scientific leader expert in ultra‑high‑throughput protein and antibody expression, driving the development and optimization of next‑generation production platforms that support therapeutic candidates designed by state‑of‑the‑art AI/ML models and structural biology.

• Lead the design, optimization, and implementation of ultra‑high‑throughput protein and antibody expression platforms supporting therapeutic discovery
• Oversee day‑to‑day operations of cutting‑edge automated systems (Tecan/Hamilton) and integrated robotic platforms, ensuring optimal performance
• Drive innovation and scalability of the high‑throughput expression platform to meet growing demand for complex protein variant production
• Independently manage multiple complex projects simultaneously in a fast‑paced, matrixed R&D environment
• Partner with cross‑functional teams (Antibody Discovery, Protein Production, Protein Engineering) to advance LMR initiatives and align on platform strategies
• Develop and implement data‑driven approaches to protein production using biological registration and data management systems (Genedata Biologics, Spotfire, Pipeline Pilot)
• Mentor junior scientists and foster a culture of scientific excellence within the team
• Present complex scientific findings to senior leadership and external partners; contribute through publications, patents, and conference presentations
• Identify and evaluate emerging technologies and methodologies to maintain competitive advantage in large molecule research

• Master’s degree with minimum 2 years of experience in a research laboratory or a biopharma/biotech company
• OR Bachelor’s degree in biology or related field with minimum 4 years of experience in a research laboratory or a biopharma/biotech company

• Extensive experience designing, optimizing, and leading high‑throughput automation workflows using advanced liquid handling platforms (Tecan/Hamilton) and integrated robotic systems
• Deep expertise in transient mammalian protein and antibody expression, including troubleshooting complex expression challenges, optimization of transfection strategies using recombinant DNA, and developing novel solutions
• Strong experience with biological registration and data management systems (e.g., Genedata Biologics, Spotfire, Pipeline Pilot) and the ability to drive improvements in data integrity and workflow efficiency
• Advanced proficiency in Microsoft Excel and the broader Microsoft Office suite

• Exceptional organizational, time management, and communication skills, with the ability to influence and align diverse scientific and cross‑functional stakeholders
• Proven ability to independently lead and manage multiple complex projects simultaneously, with a track record of delivering results in a fast‑paced, matrixed environment
• Demonstrated experience presenting complex scientific findings to senior leadership, external partners, and broad scientific audiences in a clear, compelling, and strategic manner
• Experience contributing to or leading platform development initiatives, technology transfers, or process improvement programs within a pharmaceutical or biotechnology R&D environment

• Thoughtful, well‑crafted rewards package that recognizes your contribution and amplifies your impact
• Comprehensive health and wellbeing benefits, including high‑quality healthcare, prevention and wellness programs, and at least 14 weeks’ gender‑neutral parental leave
• Opportunity to engage patients early in drug development and use their insights to design studies that reflect real‑world needs
• Chance to help improve the lives of millions of people globally by making drug development quicker and more effective

Sanofi Inc. and its U.S. affiliates are Equal Opportunity and affirmative action employers committed to a culturally diverse workforce. All qualified applicants will receive consideration for employment without regard to race, color, creed, religion, national origin, age, ancestry, nationality, marital, domestic partnership or civil union status, sex, gender, gender identity or expression, affectionate or sexual orientation, disability, veteran or military status or liability for military status, domestic violence victim status, atypical cellular or blood trait, genetic information (including the refusal to submit to genetic testing) or any other characteristic protected by law.

Salary range for this position is: $85.500,00 - $