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Associate Scientist, Process Development

Chesterfield, Missouri
Closing date
May 20, 2022

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Science, Pharmaceutical, Supply Chain, Quality Assurance
Full Time
Organization Type
Jobseeker Type
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Why Patients Need You

Everything we do, every day, is in line with an unwavering commitment to the quality and the delivery of safe and effective products to patients. Our science and risk-based compliant quality culture is flexible, innovative, and customer oriented. Whether you are involved in development, maintenance, compliance or analysis through research programs, your contribution will directly impact patients.

What You Will Achieve

The purpose of the Associate Scientist position in the Downstream Process Development group is to provide the planning and execution of experiments designed to aid in defining manufacturing processes for biopharmaceuticals. We're seeking a passionate and creative individual to join our dynamic team of scientists and engineers focused on developing innovate, robust, and scalable downstream processes for early- and late-stage clinical programs. The work will also involve working with pilot-, clinical-, and commercial-scale facilities to ensure accurate technology transfer. You will also be involved in the development of cutting-edge technology to support our processes. The successful candidate will have a Bachelor's degree in Chemical Engineering or Chemistry/Biochemistry and have a working knowledge preferably in recovery operations, chromatography, and filtration design principles.

How You Will Achieve

The successful applicant will join a larger team of scientists across multiple sites focused on developing scalable, robust, efficient, and innovative recovery and purification processes (for DNA, RNA, recombinant proteins, and biological macromolecules) suitable for clinical material production and commercialization.
  • Responsibilities will include support purification activities to produce drug substance with appropriate quality.
  • This position requires the design and execution of experiments using these technologies.
  • Responsibilities will include small-scale studies and support transfers to pilot and commercial facilities.
  • This position will be expected to develop and test new hypotheses to improve the fundamental understanding of downstream processes.
  • This position will support process validation, quality by design, regulatory approaches, and quality systems.
  • This position will be expected to contribute to the preparation of technical reports and external publications and make oral presentations to scientists and management.
  • Performs all duties associated with the operation of effective research laboratories.
  • The successful candidate must be able to endorse change to business infrastructure to ensure pipeline, legacy and technology success.


  • BS in a biological or engineering discipline (Chemical/Biochemistry, Chemical/Biochemical Engineering, Biotechnology, or equivalent). Experience in laboratory research (0-2 years) is required.
  • A good understanding of protein-chemistry, analytics, and bioprocess technology.
  • Requires competency in aseptic laboratory technique and the ability to carry out complex experiments and interpret data.
  • Demonstrated ability to drive for results and generate innovate research independently.
  • Applicant should be self-motivated, organized, and capable of working independently, and in collaborative and diverse teams.
  • The successful candidate will possess strong oral and written communication skills.

  • 0-2 years of relevant experience preferably in DNA/RNA/protein/biomolecules purification techniques.
  • Strong analytical and computer skills and/or sound understanding of statistical experimental design and analysis.
  • Strong understanding of statistical experimental design and analysis is a benefit.

Other Job Details:
  • Last Date to Apply for Job: May 25th, 2022

Pfizer requires all U.S. new hires to be fully vaccinated for COVID-19 prior to the first date of employment. As required by applicable law, Pfizer will consider requests for Reasonable Accommodations.

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.

Research and Development

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