Jobs / United States / Sanofi US Services INC
Senior Scientist Genomic Medicine BioAnalytics Characterization
Sanofi US Services INC · 🇺🇸 Waltham, 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.
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Sponsor Radar — Sanofi US Services INC
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: Senior Scientist Genomic Medicine BioAnalytics Characterization • Location: Waltham, MA About the Job: We are seeking a motivated Senior Scientist to join our BioAnalytics Characterization group in the Genomic Medicine Unit within Sanofi. Candidates with no previous experience in the field of genomic medicine are still encouraged to apply – we are looking primarily for someone with strong mass spectrometry characterization experience and are committed to bridging any knowledge gaps through dedicated onboarding and training. This role offers a unique opportunity to build expertise in the rapidly growing field of genomic medicine, including viral gene therapies and lipid nanoparticles. The future of medicine is being shaped today at Sanofi — apply now and position yourself at the forefront of the next generation of transformative therapeutics. The Genomic Medicine Unit at Sanofi is dedicated to the establishment of best-in-class platforms to support development of life-changing advanced gene therapy products. The BioAnalytics Characterization group uses advanced analytical techniques for in-depth structural and functional characterization of gene therapy products in support of drug development, from pre-candidate selection through commercialization. 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: • Develop and implement advanced characterization strategies for gene therapy candidates, including viral vectors and nonviral particles • Utilize a robust and sensitive LC-MS platform to profile HCP clearance throughout purification process and quantitatively monitor impurities of concern to support CMC product development • Establish HCP impurity method detection limits and precision, and oversee transfer and comparability to automated sample preparation methods within facility • Utilize LC-MS proteomics platform in profiling differential protein expression in cell lysates to support Cell Culture Process Development • Develop LC-MS characterization methods of nonviral particles including RNA impurity determination and oligonucleotide mapping • Collaborate cross functionally and support process/formulation development through comprehensive LC-MS characterization (peptide mapping, HCP analysis, and oligonucleotide analysis) • Establish new end-to-end automated data workflows (e.g. from data upload and application specific data processing to reporting in ELN) • Author technical documentation including reports, protocols, and regulatory filings (IND/IMPD/BLA) • Contribute to scientific literature and present at internal and external conferences About You: Education: • Ph.D. in Biochemistry or Chemistry-life science related field, OR • M.S. with 4+ years of industry experience Experience & Technical Skills: • Extensive LC-MS experience in protein characterization, identification and protein quantitation • Proficiency with Thermo and/or AbSciex instruments and at least one peptide mapping/proteomics software such as Spectronaut, Genedata Expressionist, Protein Metrics, Skyline, or Proteome Discoverer • Demonstrated success implementing novel analytical technologies Preferred Qualifications: • Experience with automation and AI-driven analytical workflow