Jobs / United States / Sanofi US Services INC
Post-Doc Scientist Antibody Discovery & Engineering
Sanofi US Services INC · 🇺🇸 Vitry-sur-Seine
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
About the Role We are looking for a highly motivated and talented Post-Doctoral Researcher to join our team in the Large Molecule Research platform at Sanofi. This position offers a unique opportunity to work on an ambitious and cutting-edge project focused on the discovery and engineering of 2-in-1 antibodies for the development of innovative therapeutic antibodies. This is a complex and challenging project that will require strong scientific autonomy, versatility across multiple methodologies, and excellent collaborative skills in a cross-functional environment. Key Responsibilities • Developing and implementing state-of-the-art technological methods for innovative antibody discovery using display technologies (phage display and/or yeast display) • Engineer and optimize 2-in-1 bispecific antibody formats for therapeutic applications • Perform biochemical and biophysical characterization of antibody candidates • Establishing robust and transferable methodologies, ready to be deployed in support of therapeutic areas • Conduct high-throughput screening and analyze large datasets with strong analytical rigor • Work in close collaboration with cross-functional teams • Present findings internally and contribute to publications and/or patent filings • Ensuring seamless integration of these new methods into the existing discovery pipeline Required Profile • PhD in Protein Engineering or a related field • Industrial experience would be an asset • Demonstrated expertise in antibody discovery and/or engineering • Strong hands-on experience with display technologies (phage display and/or yeast display) • Solid knowledge of screening methodologies and biochemistry techniques • Bilingual: digitally fluent, and experimental mindset • Strong data analysis skills and ability to draw meaningful scientific conclusions • Ability to work autonomously while being a strong team player • Experience in cross-functional collaboration is a plus • Excellent written and oral communication skills in English What We Offer • A stimulating scientific environment within a world-leading biopharmaceutical company • Access to state-of-the-art technologies and platforms • Opportunities to contribute to innovative therapeutic programs A collaborative and inclusive team culture 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 !