Senior Associate Scientist – Bioassay Development Full-time

Senior Associate Scientist – Bioassay Development

Location: Framingham, MA

About the Job

We seek a highly motivated candidate to join the Bioassay team within Mammalian Analytical Development. The Senior Associate Scientist will work in a fast-paced and collaborative environment developing, qualifying, and validating cell-based analytical methods to support release and characterization testing of biologics therapeutics and support GMP-compliant release and stability testing of clinical supplies.

Join the engine of Sanofi's mission — where deep immunoscience meets bold, AI-powered research. In R&D, you'll drive breakthroughs that could turn the impossible into possible for millions.

About Sanofi:

We're an R&D-driven, AI-powered biopharma company committed to improving people's lives and delivering compelling growth. Our deep understanding of the immune system – and innovative pipeline – enables us to invent medicines and vaccines that treat and protect millions of people around the world. Together, we chase the miracles of science to improve people's lives.

Main Responsibilities:

• Support routine cell culture activities such as thawing, passaging and banking cells.
• Engineer reporter gene cell lines with which to evaluate the relative potency and mechanism of action for biologics, by cloning or obtaining the appropriate vectors, transducing cells and isolating monoclonal populations.
• Independently design experiments in order to develop cell-based potency methods for early and late phase projects.
• Manage work assignments, analyze and interpret test results, and conduct necessary troubleshooting under the supervision of the manager.
• Support sample testing for drug substance/drug product in potency assays, utilizing molecular and cell readouts such as PCR, spectrophotometer and luminometer.
• Maintain good documentation practices using the electronic lab notebook system.
• Maintain GMP compliance by following GMP procedures in the laboratory, by supporting routine maintenance activities in the department, and by training on and drafting appropriate SOPs.
• Support the training of additional operators and the establishment of new methods and processes as needed.
• Present work internally at small group and departmental meetings, at larger internal conferences and externally at industry conferences.

About You

• Master's degree in Biology, Biotechnology, Cell Biology Biochemistry, Biomedical Engineering, or related fields with lab-based independent research/thesis Project OR Bachelor's degree in Biology, Biotechnology, Cell Biology Biochemistry, Biomedical Engineering, or related fields with a minimum of 2 years relevant experience.
• Technical background in cell culture (mammalian preferred).
• Experience in plate-based bioassays.

Preferred:

• Experience in bioanalytical assay qualifications, SOP authoring, and working in a GMP or QC environment.
• Experience in cloning and cell line engineering

Soft Skills:

• Self-motivated with attention to detail and excellent organization, time-management and communication skills.
• Demonstrated ability to work as member of a team.
• Flexibility and willingness to expand skill set and responsibilities.
• Ability to learn quickly, multitask and excel in a past-faced, highly cooperative team environment.

Why Choose Us

• Bring the miracles of science to life alongside a supportive, future-focused team.
• Discover endless opportunities to grow your talent and drive your career, whether it's through a promotion or lateral move, at home or internationally.
• Enjoy a thoughtful, well-crafted rewards package that recognizes your contribution and amplifies your impact.
• Take good care of yourself and your family, with a wide range of health and wellbeing benefits including high-quality healthcare, prevention and wellness programs and at least 14 weeks' gender-neutral parental leave.
• Be part of a pioneering biopharma company that engages patients early in drug development and uses their insights to design studies that reflect real-world needs.
• Help improve the lives of millions of people globally by making drug development quicker and more effective.
• Work at the forefront of drug discovery, harnessing cutting-edge AI, data, and digital platforms to push the boundaries of science.

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; affectional 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.