Jobs / United States / Pfizer INC

Senior Scientist, Culture Process Development

Pfizer INC · 🇺🇸 United States - Massachusetts - Andover

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 roles3 certified filings for “SENIOR SCIENTIST” (Biochemists and Biophysicists) in MA: $128k–$153k, median $132k. Most were filed at wage level III (67%) — 3 lottery entries, ≈46% 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

40 H-1B filings certified since Oct 2025

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

What You Will Achieve   A Senior Scientist (R 4 ) position is available in the Upstream Process Development group within the Bioprocess R&D organization. The successful applicant will join a team of scientists and engineers focused on developing and optimizing manufacturing processes for recombinant proteins and other modalities for early- and late-phase human clinical trials. In this role, the candidate will be responsible for designing and executing laboratory experiments in bench-top bioreactors and associated scale-down equipment with the goal of developing robust, scalable, and high productivity processes. The work will also involve collaborating with pilot, clinical, and commercial production facilities to ensure accurate technology transfer, successful large-scale production and associated regulatory filing activities. The candidate may also be involved in cutting edge technology development projects that seek to improve production processes and control strategies leveraging various process analytical technologies.   How You Will Achieve It   • Design and execute experiments in appropriate scale-down models in an effort to develop robust, high yield, and scalable manufacturing processes   • Serve as upstream technical lead; ensure accurate technology transfer to pilot and GMP manufacturing facilities; provide technical support during manufacturing campaign as needed   • Timely and accurately document data in electronic lab notebooks; author technical reports and contribute to relevant sections of regulatory submissions such as IND and BLA   • Participate and contribute to discussions in lab and project team meetings on design of experiments and interpretation of data   • Contribute to safe, efficient, and harmonious lab environment; strong lab citizen and collaborative team player   • Occasionally work over the weekend to passage flasks, sample bioreactors or perform other essential tasks   QUALIFICATIONS   Must Have   • PhD degree with 0-3 years of experience in biotechnology/biopharma industry or Master's Degree with 7+ years of post-graduate experience or BA /BS with 9 + years of experience with a degree in Chemical/Biochemical Engineering, Bioengineering, Biotechnology, Cell Biology, Microbiology or relevant field   • Experience in development and characterization of cost effective, scalable mammalian cell culture processes for therapeutics production ; process intensification and continuous manufacturing ; Scale-up/scale-down of cell culture processes   • Good understanding of reactions involved in metabolic pathways and process kinetics in mammalian cells   • Competency in aseptic laboratory technique, ability to design complex experiments, analyze and interpret data   • Self-motivated, organized, and capable of working independently and in a collaborative environment and should have demonstrated ability to drive projects by coming up with innovative solutions   • Demonstrates strong attention to detail, and strong oral and written communication skills   • Has ability to work in a fast-paced team environment with changing priorities   • Demonstrated effectiveness in collaborative projects, and ability to communicate effectively with scientists and management in a highly matrixed organization   • Demonstrated passion for innovation and a creative approach to developing new technologies     Nice To Have   • Expertise in perfusion bioreactor operations, including process setup, control, troubleshooting of mammalian cell culture processes   • Hands-on experience with high-throughput bioreactor platforms, including ambr15 and ambr250 systems   • E xpertise in process modeling , CF D , multivariate data analysis, and AI/ML-based predictive modeling to support process characterization and enhance proc

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Source: Employer career site (Workday) First seen: 2026-10-06 Last confirmed: 2026-10-06 How our data works → Report this job

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