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From the employer's careers site First seen 2 Nov 2026

Senior Associate Scientist

Pfizer New York On-site senior full-time

Salary

$68,600 to $114,300 per year

Apply on Pfizer

Description

Pfizer's purpose is to deliver breakthroughs that change patients' lives. Research and Development is at the heart of fulfilling Pfizer's purpose as we work to translate advanced science and technologies into the therapies and vaccines that matter most.

As a Senior Associate Scientist in the Early Bioprocess Development within Pfizer Vaccine Research and Development, you will be at the center of our operations and you'll find that everything we do, every day, is in line with an unwavering commitment to quality. You will join a large team of Scientists focused on conjugation process development for manufacturing carbohydrate-based conjugate vaccines.

Primary duties include:

  • Supporting the development and optimization of conjugation methods, purification, and analysis of intermediates and glycoconjugates using chemical and chromatographic methods.
  • Continuously evaluating each process and technique to determine if it is robust, appropriate, and scalable.
  • Collaborating with colleagues within Vaccine Research and Development organization including Early Bioprocess fermentation, purification, analytical and formulation development groups.
  • Participating in the technology transfer of developed process to clinical manufacturing site, both internally and externally, and providing technical support as needed.
  • Fully documenting laboratory experiments in electronic notebook in a timely and compliant manner and preparing technical reports as needed.

The annual base salary for this position ranges from $68,600.00 to $114,300.00. In addition, this position is eligible for participation in Pfizer's Global Performance Plan with a bonus target of 7.5% of the base salary. We offer comprehensive and generous benefits and programs to help our colleagues lead healthy lives and to support each of life's moments.

Skills

Required

  • organic chemistry
  • analytical methods
  • documentation of laboratory experiments
  • verbal and written communication

Nice to have

  • carbohydrate chemistry
  • HPLC
  • MALS
  • UV-Vis
  • NMR
Apply on Pfizer