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Associate Scientist, Biofunctional Assays at Pfizer · United…
Job Description
Associate Scientist, Biofunctional Assays
Location: United States - New York - Pearl River
Posting end date: August, 24 2026
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, which strives to convert advanced science and cutting-edge technologies into impactful therapies and vaccines. Whether you are engaged in discovery sciences, ensuring drug safety and efficacy, or supporting clinical trials, your role is crucial. You will leverage innovative design and process development capabilities to expedite the delivery of top tier medicines to patients globally. By integrating advanced scientific knowledge with practical applications, we aim to bring the most effective treatments to those in need, fulfilling our commitment to improving health outcomes worldwide.
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, which strives to convert advanced science and cutting-edge technologies into impactful therapies and vaccines. Whether you are engaged in discovery sciences, ensuring drug safety and efficacy, or supporting clinical trials, your role is crucial. You will leverage innovative design and process development capabilities to expedite the delivery of top tier medicines to patients globally. By integrating advanced scientific knowledge with practical applications, we aim to bring the most effective treatments to those in need, fulfilling our commitment to improving health outcomes worldwide.
What You Will Achieve
- Conduct bifunctional immunological assays to support vaccine clinical development, adhering to Good Clinical Laboratory Practice (GCLP) requirements.
- Perform lab work within both BSL-2 and BSL-3 environments.
- Maintain a detailed inventory of freezer reagents, including controls, proficiency panels, and reference standards.
- Present progress on assay development and sample analysis to colleagues and senior management.
- Collect and analyze data to support troubleshooting, qualification, and other lab projects.
- Provide critical data review of both clinical and nonclinical data.
- Build team skills and collaborate effectively within the work group.
- Stay current on all departmental and corporate training.
- Organize work to meet deadlines and apply technical skills.
- Follow procedures for assigned tasks and seek guidance when necessary.
- Perform other tasks as assigned.
Here Is What You Need (Minimum Requirements)
- Bachelor's Degree with 0-2 years of laboratory experience in a relevant field of science
- Willingness to work in a BSL-2 and BSL-3 environment
- Strong attention to detail
- High level of self-motivation and organization
- Ability to collaborate and work effectively in a team environment
- Willingness to take self-directed initiative and help advance independent projects
- Good verbal and written communication skills
- Has a good foundation in general scientific practice and in the principles and concepts of a relevant scientific discipline.
- Experience in developing and troubleshooting bioassays designed to assess antibody functionality
- Proficiency in computer skills, including word processing, Excel, PowerPoint, and relevant scientific software
Bonus Points If You Have (Preferred Requirements)
- Knowledge of mammalian cells and aseptic techniques
- Experience in developing and troubleshooting bioassays designed to assess antibody functionality
- Ability to manage multiple tasks and projects simultaneously
- Strong problem-solving skills
- Excellent communication skills
- Ability to work independently and as part of a team
- Strong organizational skills
- Ability to manage multiple tasks and projects simultaneously
- Experience using common AI tools, including generative technologies such
as ChatGPT or Microsoft Copilot, to support problem solving and enhance
Other Job Details
- Newly hired employees must agree to a background investigation that will include fingerprinting and Security Risk Assessment approval (background investigation conducted by the U.S. Department of Justice/FBI on individuals requiring access to select agents and toxins, in accordance with the Public Health Security and Bioterrorism Response Act of 2002).
- Candidates will be subjected to pre-and/or post-hiring drug screening as a condition of continued employment.
PHYSICAL/MENTAL REQUIREMENTS
Ability to adhere to BSL-3 safety requirements, including wearing a fitted respirator and Tyvek suit for a few hours at a time
Relocation support available
Work Location Assignment: On Premise
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 disabilityrecruitment@pfizer.com. 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