Senior Associate Scientist - Process Development

Why Patients Need You Pfizer’s purpose is to deliver breakthroughs that change patients’ lives. Process Development is at the heart of fulfilling this purpose as we translate advanced science into streamlined, robust processes that deliver medicines to patients globally. What You Will Achieve As a Senior Associate Scientist within the Early Bioprocess Development (EBPD) group in the Vaccines organization, you will apply cutting-edge technologies to accelerate the development of high-quality protein subunit vaccines. This role is highly technical and collaborative, requiring deep hands-on expertise in molecular biology, cell culture, and data-driven process optimization. Your goals will be: Optimize cell line development workflows to improve subunit protein expression, overall productivity, process efficiency and biological robustness of the production systems Execute fermentation to characterize key performance indicators including cell fitness, growth, recovery, protein production yield, protein purity etc. Perform data analysis to identify patterns, establishing quantitative correlations between input parameters such as DNA sequences and output values such as protein yield and quality. Present experimental data and strategic conclusions at cross-functional meetings, contributing to team-wide knowledge sharing. How You Will Achieve It Collaborating with multi-disciplinary teams and working closely with the cell culture, purification, mRNA production and analytical groups. Maintain impeccable, timely records in Electronic Laboratory Notebooks (ELNs) and author comprehensive technical/production reports. Draft, review, and contribute to internal technical reports and external scientific publications. Contribute to building a culture that embraces excellence, urgency, partnerships with key stakeholders, continuous learning and improvement, increasing technical skill base and other cross-functional expertise. Ensure all tasks and responsibilities are carried out according to scientific, ethical and regulatory standards. Qualifications Must-Have B.S. degree with 3 to 5 years of relevant industry or research experience, or M.S. in bioengineering, biochemistry, chemical engineering or related fields with 0 to 3 years of experience Experience in aseptic cell culture techniques, including cell passaging and maintenance, transfection, monitoring cell morphology and viability. Experience in using flow cytometry, and cell sorting cytometers as well as flow cytometry analysis software such as FlowJo. Knowledge and hands-on experience in molecular biology techniques including DNA/RNA extraction, PCR, ddPCR, RT-PCR, ligation, cloning, transformation, gel electrophoresis, SDS-PAGE, western blot, ELISA. Well organized, self-motivated, team-oriented with high attention to detail. Strong collaborative spirit and communication skills. Nice-to-Have Experience in setting up, feeding, sampling and controlling benchtop or single-use bioreactors (batch, fed-batch) Hands-on knowledge and experience with NGS sequencing platforms. OTHER JOB DETAILS Work Location Assignment: On site 
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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 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