Jobs / United States / Pfizer INC
Senior Associate Scientist, Viral Vaccines
Pfizer INC · 🇺🇸 United States - New York - Pearl River
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 40 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 9 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 Pfizer INC paid sponsored hires in similar roles2 certified filings for “SCIENTIST” (Biochemists and Biophysicists) in NY: $101k–$126k, median $113k. Most were filed at wage level II (50%) — 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).
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 — Pfizer INC
The US Department of Labor certified 40 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 9 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 Pfizer INC →
About the role
Use Your Power for Purpose At Pfizer, our purpose is to deliver breakthroughs that change patients’ lives. As a Senior Associate Scientist Biology, you will be at the forefront of our mission, contributing to the development of innovative therapies and vaccines that have the potential to transform patient care. Reporting to the Research & Development division, you will leverage advanced science and cutting-edge technologies to make a tangible impact on global health. Your work will be instrumental in ensuring drug safety and efficacy, supporting clinical trials, and accelerating the delivery of top-tier medicines to patients worldwide. What You Will Achieve As a Senior Associate Scientist, you will join Pfizer's Viral Vaccines organization, a team dedicated to advancing innovative vaccines that help protect people from serious infectious diseases around the world. In this role, you will become part of a highly collaborative virology team responsible for generating and supplying viral reagents to support pre-clinical vaccine research. Viruses of particular interest will include Respiratory Syncytial Virus (RSV), Epstein Barr Virus (EBV), and human cytomegalovirus (HCMV), pathogens that contribute to significant disease burden across vulnerable populations worldwide. Responsibilities will include producing and optimizing high-titer virus stocks, maintaining mammalian cell cultures, performing viral characterization assays, managing reagent inventories, and coordinating the distribution of critical viral reagents across vaccine research programs. Beyond laboratory operations, you will contribute to scientific collaboration and innovation by ensuring data and information transfer between groups, developing and integrating immunoassays, and supporting high-throughput testing activities for non-clinical research programs. Your efforts will help generate the robust scientific data required to assess vaccine performance and guide development strategies. Your work will be essential to ensuring that research teams have access to the high-quality viral materials needed to evaluate vaccine candidates and accelerate scientific decision-making. The viral reagents, data, and scientific insights you help generate will directly contribute to programs aimed at preventing infectious diseases, improving public health, and bringing promising vaccine candidates closer to the people who need them most. Through your technical expertise, problem-solving abilities, and commitment to quality, you will play an important role in helping Pfizer deliver breakthroughs that change patients' lives. How You Will Achieve In this role, you will: • Conduct various assays to monitor immune responses elicited by vaccine candidates and document laboratory work involving bio-functional assays thoroughly • Maintain cell lines, process red blood cells weekly, and prepare samples for testing, assisting with molecular and virology work • Generate plasmid constructs for RNA and reverse genetic virus stocks, optimizing RNA vaccines • Ensure compliance with SOP guidelines, cGLP, and/or cGMP guidelines, and execute qualifications and validations of new instruments and custom methods • Contribute to work group goals, collaborate with team members, and participate as a team member • Prioritize work to meet project deadlines, apply technical skills to assignments, and organize work according to departmental priorities • Choose between alternatives to solve moderately complex problems, follow procedures with general instructions, and work under moderate supervision with regular review • Collaborate with the Primary Pharmacology Group to ensure alignment around assay technology selection, assay quality criteria, and validation requirements • Interact with external vendo