Jobs / United States / Pfizer INC
Bacterial Immunoassay Development Senior Scientist
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 transform patients' lives. Central to this mission is our Research and Development team, dedicated to translating advanced science and innovative technologies into impactful therapies and vaccines. Whether you are engaged in discovery sciences, ensuring the safety and efficacy of drugs, or supporting clinical trials, you will leverage cutting-edge design and process development capabilities. Your efforts will accelerate the delivery of best-in-class medicines to patients globally, fulfilling Pfizer's commitment to making a meaningful difference in healthcare. What You Will Achieve In this role, you will: • Apply advanced knowledge of bacterial immunology, immunoassay platforms, and functional assay methodologies to support vaccine development programs. • Serve as a technical expert in the development, optimization, qualification, validation, and lifecycle management of bacterial immunoassays. • Lead assay activities across the development, including assay design, feasibility assessment, method optimization, validation, technology transfer, and clinical sample testing support. • Develop and evaluate innovative approaches, methodologies, and hypotheses to improve assay performance and address scientific challenges. • Resolve moderately complex scientific and technical issues involving assay performance, data interpretation, and clinical study support. • Adapt and refine established methodologies while maintaining data quality, reproducibility, and compliance with applicable quality and regulatory requirements. • Work independently, manage assigned priorities, and engage colleagues and cross-functional partners to address emerging scientific questions and program needs. • Interpret and communicate complex data to project teams and stakeholders to support decisions across preclinical and clinical vaccine programs. • Collaborate with clinical, statistical, regulatory, quality, and laboratory operations partners to support assay implementation and timely delivery of clinical testing data. • Contribute to technical reports, regulatory submissions, scientific publications, and presentations. Here Is What You Need Must have • Advanced knowledge of immunological principles and bacterial vaccine evaluation. • PhD in immunology, microbiology, biological sciences, or a related discipline with 0 to 3 years of experience OR MBA/MS with 7 to 8 years of experience OR BA/BS with 9 to 11 years of experience • Demonstrated experience in immunoassay development, qualification, validation, and clinical testing. • Hands-on experience with ELISA, multiplex immunoassays, functional antibody assays, or related immunological techniques. • Strong capabilities in experimental design, data analysis, troubleshooting, and scientific problem-solving. • Ability to lead scientific initiatives and collaborate effectively across multidisciplinary teams. • Strong written and verbal communication skills. Nice to Have • An equivalent combination of education and relevant industry experience that demonstrates expertise in bacterial immunoassay development, validation, and clinical testing will also be considered. • Proficiency with personal computers, including word processing, spreadsheets, Excel, PowerPoint, and relevant scientific software • Excellent organizational skills and the ability to manage time effectively • Strong interpersonal skills and the ability to work collaboratively within a team • Experience using common AI tools, including generative technologies such as ChatGPT or Microsoft Copilot, to support problem solving and enhance productivity. Demonstrated curiosity for exploring how these tools can improve outcomes and understanding of responsible