Sr. Associate Scientist, Bioassay & Impurity Sciences

Why Patients Need YouAt Pfizer, our purpose is to deliver breakthroughs that change patients’ lives—and our Research and Development teams are at the forefront of making that happen. We bring together advanced science and innovative technologies to turn bold ideas into therapies and vaccines that matter most.Whether you’re passionate about discovery science, advancing product and process understanding, or supporting clinical development, you’ll have the opportunity to make a real impact. Here, you’ll work with cutting-edge tools and collaborate with talented teams to accelerate the development of best-in-class medicines for patients around the world.What You Will AchieveIn this role, you will independently execute routine experiments with minimal variability and support more complex studies under guidance. You will analyze data, document findings in electronic laboratory notebooks, and prepare clear summaries and reports. You will collaborate cross-functionally and communicate results to team and departmental audiences. You may also contribute to the development and continuous improvement of potency assay workflows, including the implementation of automated solutions to enhance robustness, throughput, and data quality.How You Will Achieve ItIndependently execute routine experiments with minimal variability in design and executionPlan and perform more complex experiments with appropriate guidanceApply scientific principles to support assay development, process and product understanding, and related activitiesAnalyze and interpret data; troubleshoot experimental issues and identify unexpected results with guidanceDevelop and refine experimental protocolsAccurately document experimental work in electronic laboratory notebooksSummarize and clearly communicate results to team and departmental audiencesAuthor technical reports, protocols, and supporting documentationCollaborate effectively across cross-functional teams to achieve project goalsLeverage scientific literature to inform experimental design and data interpretationSupport lab operations, including equipment maintenance and continuous improvement initiativesContribute to the development, optimization, and implementation of automated potency assay workflows to improve robustness, throughput, and data qualityQualificationsMust-HaveBA/BS with at least 3+ years of experience or MBA/MS with any years of experienceDemonstrate technical expertise in immunological and cell-based assays, including ELISAs, cytotoxicity assays, tissue culture, and molecular biology techniquesExperience with mammalian cell culture and aseptic techniqueExperience with high-throughput liquid handling and automation platformsStrong scientific curiosity and understanding of potency assaysAbility to critically evaluate, adapt, and apply scientific techniquesUnderstanding of project scope and how individual work contributes to broader departmental and organizational goalsHighly motivated and able to work effectively in a fast-paced, matrixed environmentStrong interpersonal skills with the ability to collaborate in a multidisciplinary teamExcellent written and verbal communication skillsWell-organized, independent, and solution-oriented with a creative approach to problem-solving Nice-to-HavePharmaceutical and biotech drug discovery experienceExperience in developing and troubleshooting bioassays designed to assess functionalityExperience with live-cell imaging systemsExperience with Hamilton liquid handlersExperience using common AI tools, including generative technologies such as ChatGPT or Microsoft Copilot, to support problem solving and enhancePHYSICAL/MENTAL REQUIREMENTSPosition requires occasional light lifting and periods of standing, sitting or walking.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. 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