Jobs / United States / Sanofi US Services INC

Cell Culture Development Associate Scientist

Sanofi US Services INC · 🇺🇸 Framingham, MA

Sponsorship verdict

Sponsorship possible

One solid signal, not two — worth applying, and worth asking about sponsorship early.

  • Employer is on a government sponsor recordThe US Department of Labor certified 47 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first. USCIS also records 29 H-1B approvals in FY2023. Source: LCA disclosure data (US Department of Labor (OFLC)).
  • The posting doesn’t mention sponsorshipSilence isn’t a refusal — ask the recruiter before investing much time.
  • No salary bar for this routeH-1B has no fixed salary bar: the employer must pay at least the prevailing wage for the role and area. Cap-subject employers enter a lottery weighted by wage level. Source: https://www.federalregister.gov/documents/2025/12/29/2025-23853/weighted-selection-process-for-registrants-and-petitioners-seeking-to-file-cap-subject-h-1b, rules effective 2026-02-27.
  • What Sanofi US Services INC paid sponsored hires in similar roles6 certified filings for “Senior Scientist” (Biochemists and Biophysicists) in MA: $100k–$122k, median $101k. Most were filed at wage level I (50%) — 1 lottery entry, ≈15% projected selection odds for cap-subject employers. Source: US Department of Labor LCA disclosure data (Oct 2025 – Jun 2026).
  • Confirmed live todayWhen a source last listed this job as open.

US H-1B: cap-subject employers enter a lottery weighted by wage level — Level I gets 1 entry, Level IV gets 4 (DHS projected selection odds ≈15% at Level I to ≈61% at Level IV). Universities and non-profit research employers are cap-exempt. The $100,000 fee for new petitions from abroad is currently blocked by a court order (appeal pending).

A verdict summarises public evidence; it is not legal advice and never a guarantee — the employer and the immigration authority decide. Sign in to factor in where you can already work.

Start free →

Or apply yourself on the official page →

Sponsor Radar — Sanofi US Services INC

47 H-1B filings certified since Oct 2025

The US Department of Labor certified 47 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first. USCIS also records 29 H-1B approvals in FY2023. Source: LCA disclosure data (US Department of Labor (OFLC)).

Past sponsorship or register membership never guarantees sponsorship for this vacancy or for you. Full Sponsor Radar for Sanofi US Services INC →

About the role

Job title : Cell Culture Development Associate Scientist • Location: Framingham, MA About the job: Sanofi is looking for a cell culture development professional to join the Cell Culture Development Group located in Framingham, MA in the role of Associate Scientist. The Global Cell Culture Development group within Sanofi operates with the mission to develop robust, scalable, and innovative cell culture processes for Sanofi’s diverse early and late-stage biologics pipeline. We are looking for a candidate with excellent scientific and communication skills to join a team of upstream development scientists and engineers. The candidate is expected to work collaboratively with others in the team to complete assigned experiments and follow best laboratory practices. 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: • Execute upstream process development experiments under general supervision; independently execute simple experiments and support complex experiments. • Execute cell separation and harvest experiments evaluating centrifugation and depth filtration strategies. • Maintain laboratory bioreactor automation, including routine setup, calibration and troubleshooting of common issues. • Participate in upstream and cell line development team meetings to support team goals. • Prepare experimental protocols, perform troubleshooting of common cell culture challenges (e.g. contamination), and author templated technical reports with supervision. • Maintain high-quality deliverables, open communication, and a collaborative working environment. • Develop an understanding of the basic technical principles underlying cell culture theory and experimentation (e.g. sterile technique, mass transfer). • Contribute to upstream, cell line development or technology development teams that develop and implement industry leading cell culture production technologies and platforms. • Suggest improvements in the execution of standard cell culture experiments and participate in initiatives to improve upstream process development approaches. • Adhere to all relevant HSE procedures and guidelines, lab guidance documents (LOPs, SOPs) and safety training, including data integrity and documentation practices. • Present experimental results at lab meetings or within the upstream team. About you: Basic Requirements • Bachelor's degree in Biology, Biochemistry, Bioprocessing, Biotechnology, Microbiology, Molecular Biology, Biomedical Engineering, Chemical Engineering, Biochemical Engineering, or a related discipline • Minimum of 3 months of experience or equivalent exposure in a cell culture or biological laboratory setting (coursework, undergraduate research, or internship experience will also be considered) • Working knowledge of aseptic technique • English proficiency Preferred Qualifications • Experience executing cell culture experiments in high throughput models (shake flasks, ambr15) or benchtop bioreactor systems • Experience with ambr250 bioreactors • Experience with cell separation and harvest techniques including centrifugation or depth filtration • Experience using AI tools for literature review, data analysis, or technical writing Why Choose Us?   • Bring the miracles of science to life along

View the official posting →

Source: Employer career site (Workday) First seen: 2026-10-01 Last confirmed: 2026-10-02 How our data works → Report this job

Similar opportunities