Jobs / United States / Regeneron Pharmaceuticals INC
Sr. Associate Scientist, R&D Chemistry, Peptidomimetic Purification
Regeneron Pharmaceuticals INC · 🇺🇸 Hawthorne
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 290 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 40 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 Regeneron Pharmaceuticals INC paid sponsored hires in similar roles10 certified filings for “Sr Associate Scientist” (Chemists) in NY: $96k–$115k, median $101k. Most were filed at wage level II (70%) — 2 lottery entries, ≈31% 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).
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Sponsor Radar — Regeneron Pharmaceuticals INC
The US Department of Labor certified 290 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 40 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 Regeneron Pharmaceuticals INC →
About the role
Build Our Future Together We are currently seeking a lab-centric peptide purification chemist to join the R&D (Research & Development) Chemistry group. In this position, they will play a key role in Regeneron’s peptidomimetic antibody-conjugate drug discovery capabilities to enable seamless combination with the company’s existing expertise in biologics and novel genetic medicines. The candidate will drive the purification of peptidomimetic payloads and linker payloads for antibody conjugate drug therapeutics across diverse research areas. Cultural fit with the Regeneron cross-functional teams will be a key driver for success. The R&D Chemistry team is primarily composed of synthetic organic, medicinal chemistry and bioconjugation scientists that work in a highly collaborative environment with other technology, biology and therapeutic area groups. Successful candidates will have a peptide/peptidomimetic purification background and will require a firm understanding of the latest techniques, strategies and instrumentation for HT peptide purification and isolation. We expect they will act as an inspiring and motivating colleague, effective communicator, and strong project team collaborator to help develop novel antibody-conjugated peptidomimetic therapeutics. Discover Your Role • Actively participate and collaborate in the day-to-day activities of the R&D Chemistry Peptidomimetic purification team. • Perform mass-triggered HPLC purification of novel peptidomimetic drug modalities, using modern purification instrumentation/detection and techniques • Troubleshoot and optimize peptide purification methods and enable high throughput purification and isolation. • Identify new strategies and technologies for peptidomimetic purification to improve on existing Regeneron techniques • Actively participate in departmental, cross-functional, leadership, and external meetings to contribute expertise and to represent the vision of the R&D Chemistry Peptidomimetic purification team. • Interact broadly and collaboratively with other Regeneron groups, forging relationships and active collaborations. This role requires: • Bachelor’s degree required, Master’s degree preferred in peptide, peptidomimetic, small molecule purification • Minimum of 5 years of industry experience. • Extensive hands-on experience of the HPLC purification/detection and method troubleshooting of peptidomimetics • Hands-on experience with Waters and/or Agilent purifications systems preferred • Hands-on experience with mass-triggered collection preferred • Experience with high throughput purification • Extensive experience running modern purification/isolation equipment and instrumentation • A track record of success in the field of either peptidomimetics or small molecules purification is required. • Working collaboratively with both internal and external organizations (e.g., CROs) is essential. Does this sound like you? Apply now to take your first step towards living the Regeneron Way! We are committed to building a workplace with an inclusive culture. Regeneron is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion or belief (or lack thereof), sex, sexual orientation, gender identity or expression, gender reassignment, marital or civil partnership status, civil status, pregnancy or parental status, age, disability, nationality, citizenship status, ethnic or national origin, membership of the Traveler community, familial status, genetic information, military or veteran status, or any other characteristic protected under applicable law. Where required, we will provide reasonable accommodation to applicants with known disabilities or chronic illnesses during the recruitm