Pfizer

Pfizer

Posted via Workday

Senior Associate Scientist - Bioassay Development

Posted Sep 9, 2026

Role at a glance

Job function
Engineering & R&D Biotechnology & Pharmaceutical R&D
Salary
$68.6K – $114.3K/yr
Location
Pearl River, New York, United States
Work arrangement
On-site
Employment
Full-time
Education
Master's

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About the role

Original posting provided by Pfizer

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Role Summary

This is a laboratory-based position within the Vaccines Early BioProcess Analytical Development group. The individual will perform bioassay sample testing, method development and method qualification studies in support of early vaccine development. Assays include but are not limited to enzyme-linked immunosorbent assays (ELISAs), cell-based assays, or other types of bioassays. The individual will perform sample testing to support process development, formulation development, critical reagents characterization and ongoing stability studies. This is a dynamic position that will require work on fast-moving projects.

Role Responsibilities

In this role, you will:

  • Perform sample testing in support of vaccine development, including bioprocess and formulation development, release, stability, characterization, and adjuvant compatibility studies.

  • Have the ability to perform necessary calculations independently and discuss conclusions with their manager.

  • Document experiments and analyze data from sample testing and method development/qualification experiments using an electronic laboratory notebook with guidance.

  • Contribute to the authoring of technical documents including development reports, analytical test methods, and method qualification reports.

  • Read scientific and technical literature to stay current in the area. Provide daily laboratory operations support.

Qualifications

Must Have

  • BA/BS with 3 to 5 years of relevant experience OR MA/MS degree in biology or related discipline with 0-3 years relevant experience.

  • Prior research experience working in an analytical lab.

  • Good working knowledge of antibody-antigen interactions and bioassay analytical techniques.

  • Strong verbal and written communication skills.

  • Proficiency with personal computers including word processing, spreadsheets, PowerPoint and relevant scientific software is required.

Nice to Have

  • Prior experience working with plate-based immune methods such as ELISA.

  • Prior experience using NGS (ie. Illumina) workflows.

  • Previous experience with automation (ie. Hamilton STAR).

  • Experience with documentation using electronic laboratory notebooks.

  

PHYSICAL/MENTAL REQUIREMENTS

  • Standard laboratory conditions – sitting, standing, primarily lab based.

NON-STANDARD WORK SCHEDULE, TRAVEL OR ENVIRONMENT REQUIREMENTS

  • Work Location Assignment: On Premise

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. Benefits offered include a 401(k) plan with Pfizer Matching Contributions and an additional Pfizer Retirement Savings Contribution, paid vacation, holiday and personal days, paid caregiver/parental and medical leave, and health benefits to include medical, prescription drug, dental and vision coverage. Learn more at Pfizer Candidate Site – U.S. Benefits | (uscandidates.mypfizerbenefits.com). Pfizer compensation structures and benefit packages are aligned based on the location of hire. The United States salary range provided does not apply to Tampa, FL or any location outside of the United States.

Relocation assistance may be available based on business needs and/or eligibility.

Candidates must be authorized to be employed in the U.S. by any employer.

U.S. work visa sponsorship (such as TN, O-1, H-1B, etc.) is not available for this role now or in the future.

Sunshine Act

Pfizer reports payments and other transfers of value to health care providers as required by federal and state transparency laws and implementing regulations.  These laws and regulations require Pfizer to provide government agencies with information such as a health care provider’s name, address and the type of payments or other value received, generally for public disclosure.  Subject to further legal review and statutory or regulatory clarification, which Pfizer intends to pursue, reimbursement of recruiting expenses for licensed physicians may constitute a reportable transfer of value under the federal transparency law commonly known as the Sunshine Act.  Therefore, if you are a licensed physician who incurs recruiting expenses as a result of interviewing with Pfizer that we pay or reimburse, your name, address and the amount of payments made currently will be reported to the government.  If you have questions regarding this matter, please do not hesitate to contact your Talent Acquisition representative.

EEO & Employment Eligibility

Pfizer is committed to equal opportunity in the terms and conditions of employment for all employees and job applicants without regard to race, color, religion, sex, sexual orientation, age, gender identity or gender expression, national origin, disability or veteran status.  Pfizer also complies with all applicable national, state and local laws governing nondiscrimination in employment as well as work authorization and employment eligibility verification requirements of the Immigration and Nationality Act and IRCA.  Pfizer is an E-Verify employer.  This position requires permanent work authorization in the United States.

Pfizer endeavors to make www.pfizer.com/careers accessible to all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process and/or interviewing, please email [email protected]. This is to be used solely for accommodation requests with respect to the accessibility of our website, online application process and/or interviewing. Requests for any other reason will not be returned.

To learn more about acceptable and prohibited uses of AI during the recruitment process, please review our candidate AI-use guidelines available on Pfizer Careers.

Research and Development
Pfizer

About the company

Pfizer

Large Enterprise

Pfizer is a global biopharmaceutical company dedicated to the discovery, development, and manufacturing of innovative healthcare solutions. With a strong focus on improving lives through medications and vaccines, Pfizer has played a significant role in addressing various health challenges, including infectious diseases, chronic illnesses, and rare conditions. The company emphasizes research-driven approaches and collaborative efforts in its mission to enhance global health and empower patients through cutting-edge science and technology. Through its commitment to high standards of safety and efficacy, Pfizer continues to shape the future of medicine.