Senior Associate Scientist

We’re in relentless pursuit of breakthroughs that change patients’ lives. We innovate every day to make the world a healthier place. Pfizer Research & Development serves as the beating heart of Pfizer's trailblazing product pipeline, the essence of our mission to bring life-changing medicines to the world. Pfizer offers competitive compensation and benefits programs designed to meet the diverse needs of our colleagues. As a Senior Associate Scientist Chemistry at Pfizer, you will perform routine sample testing, assay verification, and qualification studies in support of early vaccine development. Assays include standard analytical separations (HPLC, gel electrophoresis, etc.) and spectroscopic techniques (UV-Vis, fluorescence). This is a laboratory-based position within the Vaccine Research and Development Analytical Development Group. What You Will Achieve In this role, you will: Under direct supervision perform routine sample testing in support of vaccine development. This includes preparing samples, setting up and running the instruments, and analyzing data. Document experiments, analyze data, and provide reporting using an electronic laboratory notebook in accordance with Pfizer/GCLP requirements. With guidance will execute assay routine analysis of vaccine candidates. With guidance, draft and revise laboratory methods and reports. Plan daily workflow to complete the tasks/experiments outlined by the supervisor. Contribute and participate in general laboratory maintenance activities (such as buffer preparation, reagent formulations, maintenance of equipment, managing laboratory waste). Here Is What You Need (Minimum Requirements) BS or MS in Chemistry, Biochemistry or related discipline plus 2 or more years of related work experience in analytical characterization of biomolecules. Technical proficiencies in liquid chromatography (HPLC/UPLC), Capillary electrophoresis and spectroscopy (UV/VIS, Fluorescence) Previous experience with characterization of biomolecules (proteins, polysaccharides, lipid nanoparticles). Familiarity with data analysis software such as ChemStation, OpenLab, or Empower. Good interpersonal, verbal, and written skills. Motivated, detail-oriented, with good laboratory skills. Bonus Points If You Have (Preferred Requirements) Thrive in a fast-paced environment. Experience using common AI tools, including generative technologies such as ChatGPT or Microsoft Copilot, to support problem solving and enhance productivity. Understanding of responsible AI practices, including risk management and ethical use. Experience with LC-MS characterization of proteins. Use Your Power for Purpose As a Senior Associate Scientist Chemistry at Pfizer, you will perform routine sample testing, assay verification, and qualification studies in support of early vaccine development. Assays include standard analytical separations (HPLC, gel electrophoresis, etc.) and spectroscopic techniques (UV-Vis, fluorescence). This is a laboratory-based position within the Vaccine Research and Development Analytical Development Group. What You Will Achieve In this role, you will: Under direct supervision perform routine sample testing in support of vaccine development. This includes preparing samples, setting up and running the instruments, and analyzing data. Document experiments, analyze data, and provide reporting using an electronic laboratory notebook in accordance with Pfizer/GCLP requirements. With guidance will execute assay routine analysis of vaccine candidates. With guidance, draft and revise laboratory methods and reports. Plan daily workflow to complete the tasks/experiments outlined by the supervisor. Contribute and participate in general laboratory maintenance activities (such as buffer preparation, reagent formulations, maintenance of equipment, managing laboratory waste). Here Is What You Need (Minimum Requirements) BS or MS in Chemistry, Biochemistry or related discipline plus 2 or more years of related work experience in analytical characterization of biomolecules. Technical proficiencies in liquid chromatography (HPLC/UPLC), Capillary electrophoresis and spectroscopy (UV/VIS, Fluorescence) Previous experience with characterization of biomolecules (proteins, polysaccharides, lipid nanoparticles). Familiarity with data analysis software such as ChemStation, OpenLab, or Empower. Good interpersonal, verbal, and written skills. Motivated, detail-oriented, with good laboratory skills. Bonus Points If You Have (Preferred Requirements) Thrive in a fast-paced environment. Experience using common AI tools, including generative technologies such as ChatGPT or Microsoft Copilot, to support problem solving and enhance productivity. Understanding of responsible AI practices, including risk management and ethical use. Experience with LC-MS characterization of proteins. 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 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 View email address on click.appcast.io . 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 . 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