Senior Associate Scientist Mammalian Bioanalytics

Sanofi; Framingham (MA); On-site; USD 65,000 - 108,000; Full time

Job summary

Sanofi in Framingham, MA seeks an Associate Scientist to join the Analytical Development team within Mammalian Bioanalytics, developing and validating analytical methods (ELISA, qPCR, MSD) to support biotherapeutics development.

The role covers pre-clinical and clinical lot release and stability testing in a cGMP setting, data compilation, SOP drafting, and cross-functional collaboration to deliver timely analytical results and documentation.

Qualifications

• Bachelors in Biology/ Biochemistry/ Immunology or related field with 2+ years in biotech/pharma OR Master’s with 6+ months experience
• Hands-on with ELISA, qPCR, MSD or cell-based assays
• Experience in biology/biochemistry/biophysical methods and GMP environment

Responsibilities

• Develop, qualify, validate, and transfer analytical methods in GMP.
• Perform routine cell culture and associated activities.
• Prepare data, SOPs and reports; communicate results to the team.
• Support equipment maintenance to ensure GMP-compliant lab operations.
• Deliver timely analytical results and documentation for clinical development.

Skills

ELISA

qPCR

MSD

Cell-based assays

Education

Bachelor’s degree in Biology/Biochemistry/Immunology/Related

Master’s degree (optional)

Tools

ELN

LIMS

Job description

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. #GD-SA #LI-SA #LI-Onsite #vhd Pursue progress, discover extraordinary 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. At Sanofi, we provide equal opportunities to all regardless of race, colour, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, ability or gender identity. Watch our ALL IN video and check out our Diversity Equity and Inclusion actions at sanofi.com! US and Puerto Rico Residents Only Sanofi Inc. and its U.S. affiliates are Equal Opportunity and Affiliated ... US and Puerto Rico Residents Only Sanofi Inc. and its U.S. affiliates are Equal Opportunity and affirmative action employers committed to a culturally inclusive and diverse workforce. All qualified applicants will receive consideration for employment without regard to race; color; creed; religion; national origin; age; ancestry; nationality; natural or protective hairstyles; 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: $75.000,00 - $108.333,33 All compensation will be determined commensurate with demonstrated experience. Employees may be eligible to participate in Company employee benefit programs. Additional benefits information can be found through the LINK. We are an R&D driven, AI‑powered biopharma company committed to improving people’s lives and creating compelling growth. Our team is guided by one purpose: we chase the miracles of science to improve people’s lives. We want to build a healthier, more resilient world, and turn the impossible into the possible by discovering, developing, and delivering medicines and vaccines for millions of people around the world. Discover more about us visiting www.sanofi.com or via our movie We are Sanofi Start a career that makes a difference. Reinvention is in our DNA. It’s what drove our evolution from a small French enterprise to one of the world’s leading biopharma companies. Whether it’s using AI to shorten drug‑discovery times or building trust in healthcare, you could be helping our teams make life better for patients, partners, and communities. This is where you grow your career. We open the door for you to explore new opportunities, push your limits, and connect with people who are driven by a shared purpose: we chase the miracles of science to improve people’s lives.