Sr. Associate Scientist
About this role
Senior Associate Scientist (R2)
A Senior Associate Scientist (R2) position is available in the Upstream Process Development group within the Bioprocess R&D organization. The successful applicant will join a team of scientists and engineers focused on developing and optimizing manufacturing processes for recombinant proteins and other modalities for early- and late-phase human clinical trials. In this role, the candidate will be responsible for designing and executing laboratory experiments in bench-top bioreactors and associated scale-down equipment with the goal of developing robust, scalable, and high productivity processes.
The work will also involve working with pilot, clinical, and commercial production facilities to ensure accurate technology transfer, successful large-scale production and associated regulatory filing activities. The candidate may also be involved in cutting edge technology development projects that seek to improve production processes and control strategies leveraging various process analytical technologies.
Qualifications
Must Have
- Bachelor's degree with 3 years' industrial experience or Master's degree with 0-2 years experience in Chemical / Biochemical Engineering, Cell Biology, Biotechnology, Biomedical Engineering or a relevant field
- Relevant research experience in a laboratory setting is required.
- Ability to grasp scientific concepts, interpret complex data, and formulate new hypothesis.
- Competency in aseptic laboratory technique and the ability to design and carry out complex experiments and interpret data.
- Demonstrated effectiveness in collaborative projects, and ability to communicate effectively with scientists and management in a highly matrixed organization.
Nice To Have
- Hands-on experience with high-throughput bioreactor platforms, including ambr15 and ambr250 systems
- Expertise in fed-batch / perfusion bioreactor operations, including process setup, control, troubleshooting, and scale-up of mammalian cell culture processes
- Proficiency in process modeling and multivariate data analysis for process characterization, and predictive process understanding
- Experience with Python programming, workflow automation, or app development to create tools that improve experimental planning, data analysis, visualization, and knowledge-sharing for process development scientists
Physical/Mental Requirements
- Lifting, sitting, standing, walking, bending, ability to perform mathematical calculations and ability to perform complex data analysis
Non-Standard Work Schedule, Travel or Environment Requirements
- May require occasional work on the weekend for essential tasks
- May need to travel occasionally to attend internal meetings or external conferences
Other Job Details
· 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.
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.
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.
- Lifting, sitting, standing, walking, bending, ability to perform mathematical calculations and ability to perform complex data analysis
Details
Organization
Pfizer
Location
United States (US)
Position type
Research
Posted
November 6, 2026
Last seen on the employer's board
November 6, 2026
Source
jobRxiv
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