Senior Associate Scientist Mammalian Bioanalytics

Job Title: Senior Associate Scientist, Mammalian Bioanalytics

• Location: Framingham, MA

About the job:

Are you ready to shape the future of medicine? The race is on to speed up drug discovery and development to find answers for patients and their families. Your skills could be critical in helping our teams accelerate progress.

Sanofi is seeking a highly motivated Associate Scientist to join the Analytical Development team within Mammalian Bioanalytics, which develops, validates, and transfers analytical methods used for characterization and release of biologics to support clinical development of new medicines. The successful candidate will participate in the development and validation of analytical methods involving qPCR, ELISA, MSD, cell-based assays and other analytical techniques routinely used to support biotherapeutics development. This individual will conduct pre-clinical and clinical lot release and stability testing of biotherapeutics, including antibodies, antibody-like molecules, enzymes, and other therapeutics. This role operates within a cGMP environment and requires excellent verbal and written communication skills, strong attention to detail, and the ability to collaborate effectively with cross-functional departments.

We are an innovative global healthcare company with one purpose: to chase the miracles of science to improve people’s lives. We’re also a company where you can flourish and grow your career, with countless opportunities to explore, make connections with people, and stretch the limits of what you thought was possible. Ready to get started?

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:

• Participate in the development, qualification, validation, and transfer of qPCR, ELISA, MSD, cell-based assays and potentially other analytical methods in a regulated GMP environment.

• Perform routine cell culture activities such as thawing, passaging and banking cells.

• Cross train in separation techniques such as cIEF, CE-SDS and SEC and support GMP release and stability testing as needed

• Perform cGMP sample testing according to standard operating procedures (SOPs) and compile data packets.

• Assist in the drafting of SOPs and technical reports and be able to effectively communicate progress and experimental results to supervisor and team members.

• Support Analytical equipment maintenance by performing regular scheduled activities to comply with GMP standards to maintain a GMP compliant laboratory.

• Ensure timely completion and delivery of all analytical results and documentation (technical reports, SOPs, ELN, LIMS, etc.) to support product development during clinical phases.

About you:

Basic Qualifications

• Bachelor’s degree in Biology, Biochemistry, Immunology, Molecular Biology, Cell Biology or related discipline with a minimum of 2 years of relevant experience in the biotechnology/pharmaceutical industry OR Master’s Degree with a minimum of 6 months of experience (academic experience will be considered).

• Hands-on experience with at least one of these methods: ELISA, qPCR, MSD, cell-based assays techniques.

• An understanding of Biology, Biochemistry, Biophysical methods.

• Must be organized, efficient, and able to work according to timelines.

• Excellent organizational and communication skills.

• Must be able to work collaboratively in a fast-paced, team-oriented environment.

Preferred Qualifications

• Basic understanding of methodology and hands-on experience with ELISA, qPCR, MSD, cell-based assays techniques in a pharmaceutical or biotechnology setting.

• Intern or co-op experience working in a laboratory environment.

• Working experience in a GMP environment and ability to adhere to all appropriate GMP standards (e.g. invalid result investigations, deviations, and CAPAs).

• Proficient in Microsoft Word, Excel, PowerPoint, and ELN.

Why Choose Us?

• Make your work count by supporting a company that brings life-changing treatments to millions — and is committed to doing right by patients, communities, and the planet.

• Drive progress from within by helping simplify, scale, and modernize how a global biopharma business delivers smarter, faster, and more sustainably.

• Support teams across science, medicine, and operations by building better systems, shaping bold strategies, and enabling innovation at speed.

• Make an impact across borders and functions, collaborating with leaders to turn complex challenges into real-world solutions.

• Advance your career through stretch roles, cross-functional moves, and development opportunities designed to match your ambition.

• Thrive in inclusive, high-performing teams where every role matters and every voice helps shape what’s next.

Sanofi US Services and its U.S. affiliates are Equal Opportunity employers committed to a culturally inclusive 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.

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Better is out there. Better medications, better outcomes, better science. But progress doesn’t happen without people – people from different backgrounds, in different locations, doing different roles, all united by one thing: a desire to make miracles happen. So, let’s be those people.

Sanofi US endeavours to make our career center accessible to any and all users. If you are experiencing difficulty and need assistance applying online, please call 1-866-SANOFI2 (1-866-726-6342) or click here

US and Puerto Rico Residents Only

Sanofi Inc. and its U.S. affiliates are Equal Opportunity employers committed to a culturally inclusive 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.

North America Applicants Only

The salary range for this position is:

All compensation will be determined commensurate with demonstrated experience. Employees may be eligible to participate in Company employee benefit programs, and additional benefits information can be found here.