Jobs / United States / Regeneron Pharmaceuticals INC

Principal Scientist

Regeneron Pharmaceuticals INC · 🇺🇸 RENSS - TEMPEL LN

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 roles60 certified filings for “Principal Scientist” (Biochemists and Biophysicists) in NY: $100k–$153k, median $136k. Most were filed at wage level II (85%) — 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

290 H-1B filings certified since Oct 2025

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

Regeneron is seeking a Principal Analytical Sciences Scientist to support Manufacturing, Process Sciences (PS), and Quality Control (QC) by developing, optimizing, troubleshooting, validating, transferring, and applying analytical procedures across multiple modalities, including iSRNA/siRNA oligonucleotides and peptide therapeutics. You will advance QC capabilities by creating robust, phase‑appropriate and lifecycle‑managed analytical methods, integrating new assays and technologies, and serving as a technical leader who resolves complex issues and elevates analytical strategy for novel modalities. When & Where: Location: Rensselaer, NY Work Model: Monday-Friday 8am-4:30pm Discover Your Role: • Establish, develop, and optimize analytical methods for product and raw materials, with a focus on iSRNA/siRNA and peptide modalities. • Design and review protocols for assay qualification and validation (e.g., ICH Q2 principles), ensuring methods are stability‑indicating and suitable for GMP release and characterization. • Engage with collaborators and vendors to identify, assess, and implement new instrumentation and technology (e.g., LC‑MS, CE, ion‑pair RP‑HPLC, hybridization‑based assays, peptide mapping). • Transfer control test procedures to QC and other relevant departments, including drafting transfer plans, training materials, and acceptance criteria. • Lead troubleshooting and provide analytical support for established test methods, process, and formulation issues (e.g., nuclease sensitivity in iSRNA, peptide oxidation/deamidation). • Conduct investigations (OOS/OOT), support deviation root‑cause analysis, and lead customer complaint assessments with data‑driven conclusions. • Present findings and scientific arguments in meetings and technical reports; communicate risk, impact, and mitigation strategies clearly. • Train and mentor junior team members; author and revise SOPs, protocols, and method lifecycle documents. • Manage the lifecycle of analytical testing methods (development, validation, transfer, change control, periodic review, and retirement). • Design and execute experiments independently to assess and optimize technologies; apply DOE and statistical trending where appropriate. • Produce and maintain accurate, compliant records consistent with data integrity and cGMP expectations. • Represent Analytical Sciences on interdepartmental teams and in program meetings; align analytical strategy with CMC and regulatory milestones. • Demonstrated experience developing and validating analytical methods for iSRNA/siRNA oligonucleotides and peptide therapeutics. • Hands‑on proficiency with LC‑MS/MS, CE, ion‑pair RP‑HPLC, peptide mapping, and oligonucleotide characterization assays. • Proven track record of method transfer to QC, troubleshooting, OOS/OOT investigations, and cross‑functional collaboration. • Strong technical writing, data integrity practices, and presentation skills; ability to mentor and lead. This Role Requires: A PhD in Chemistry, Biochemistry, Biology, or related field, with 3+ years of relevant industry experience in analytical development and QC method lifecycle. • Level determined based on qualifications. 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

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Source: Employer career site (Workday) First seen: 2026-08-30 Last confirmed: 2026-10-03 How our data works → Report this job

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