Principal Scientist - Particle Characterization

Andover, Massachusetts
November 25 2021
Position Type
Full Time
Organization Type
Job Type
Staff Scientist
Role Description

Principal Scientist- Particle Characterization, is a position within the Pharmaceutical Research & Development (PhRD) department in Pfizer's Biotherapeutics Pharmaceutical Sciences organization. This scientific leadership role will be responsible for subvisible and visible particle characterization and forensic investigations of particles in drug product supporting Pfizer's biotherapeutics portfolio. The position lies in a dynamic and highly interdisciplinary environment to support pre-clinical, clinical, and commercial development. In addition, the candidate should be able to contribute to the development of particle characterization strategy both analytically and to support regulatory submissions. This position requires exceptional time management and communications skills with strong attention to detail. A breadth of knowledge of analytical tools and techniques as it relates to particle characterization for both visible and subvisible particle characterization in the pharmaceutical industry is required.


The incumbent candidate will be responsible for defining strategy for particle characterization in biotherapeutic products, performing critical experiments in support of developing, evaluating, and characterizing formulations/processes, components and supporting delivery technologies for diverse therapeutic modalities including (but not limited to) mammalian and microbial fermentation-derived candidate molecules, vaccines, plasmids, RNA-based medicines, peptides, and targeted delivery strategies. This individual functions cooperatively with other members of the team to achieve the project goals. The incumbent displays technical awareness in various aspects of drug discovery and development, a strong drive in learning new techniques and scientific commitment, and impactful scientific and technical contributions within the PhRD team and the respective project teams. Specific responsibilities include:

Role Responsibilities
  • Design, execute and analyze experiments for particle characterization of existing and novel modalities.
  • Define the appropriate parenteral dosage form, formulation, process design, scale-up approaches, identify critical parameters, and define the design space
  • Development of novel characterization techniques to characterize both visible and subvisible particles to support process development and formulation design.
  • Develop and be abreast of new technologies to aid in forensic assessment of particles
  • Lead experiments to confirm robust process performance across the control space. Compile experimental and analytical results, perform data interpretation, summarize, and report on data with conclusions and recommended next steps
  • Provide technical representation and subject matter expertise (SME) in cross-functional formulation, process, and analytical investigations for commercial production processes
  • Collect and share relevant academic literature, leverage external consultants/SMEs, and establish new collaborations with internal groups. Optimize current processes to ensure robust manufacturing of Pfizer's biotherapeutic portfolio
  • Interface extensively in a matrixed environment with the process and analytical development teams for process investigation support, assess new analytical technologies, support ongoing process characterization and post-approval changes.
  • Maintain accountability for project success and results delivery.
  • Communicate research and development findings internally and externally.

Educational Background

Required : M.S. with 8 or more years of industrial experience, or B.S. with 10 or more years in Pharmacy, Chemistry, Biomedical Eng, Chemical Eng, Biochemistry, Biotechnology, material science or equivalent scientific field,

Preferred :

Ph.D. with 4 or more years industrial experience in Pharmaceutical Sciences, Analytical Chemistry, Biophysics, Biomedical Eng, Chemical Eng, Biochemistry, Biotechnology, Material science or equivalent scientific field preferably in particle characterization, biotherapeutic formulation development and scale-up


Minimum :
  • Solid foundation in particle characterization technologies (i.e. microscopy, FTIR, light obscuration, flow imaging)
  • Effective communication skills and the ability to write detailed technical reports
  • Experience with regulatory filings and submissions.
  • A strong interest and motivation to learn new technologies and concepts is expected
  • Exceptional organizational, communication, and critical thinking skills, and the ability to thrive in an interdependent and idea-rich environment
  • Strong work ethic and attention to detail

  • Expert understanding and leadership of technical area necessary for biotherapeutic particle characterization
  • Excellent leadership skills
  • Working knowledge of GLP/GMP requirements.
  • Experience in authoring regulatory submissions (IND, IMPD, BLA, MAA)
  • Solid understanding of QbD concept in design, execution, and interpretation of formulation and process development experiments.
  • Ability to demonstrate autonomy in representing the functional area.

Additional Posting Information
  • Eligible for Employee Referral Bonus
  • Eligible for Relocation Package
  • #LI-PFE

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


Similar jobs

Similar jobs