Senior Associate Scientist

Pfizer Inc.

South San Francisco, CA

Job posting number: #7121829 (Ref:4876201 )

Posted: January 23, 2023

Application Deadline: February 10, 2023

Job Description

Senior Associate Scientist, High-Throughput Protein Production

Pfizer’s BioMedicine Design (BMD) High-Throughput Protein Production (HTP) group is seeking a highly motivated scientist to manage and perform antibody expression and purification, from hundreds to thousands of proteins per week. The candidate will play a critical role in production and automation process innovation in a core group that is responsible for high-throughput cloning, expression & purification of antibodies (microgram-to-milligram scale).

The candidate will be part of a team responsible for high throughput automated transfection, purification, quantitation, analytical assessment, and normalization/delivery of protein samples, including conventional antibodies, bispecifics, and occasional non-antibody proteins; data upload in the departmental database/ELNs; and interacting with project teams. The candidate will contribute to group-wide deliverables, work on several projects simultaneously, explore new purification technologies, and present results and updates at group, project, and departmental meetings.

How You Will Achieve It

High-throughput automated antibody purification, quantitation, analytical SEC, normalization, and redox for bispecific antibody generation utilizing the team’s liquid handling automation equipment.

Optimization of automated processes throughout the HTP workflow

Maintaining mammalian cell stocks, transfecting and harvesting conditioned medium in small- and micro-scale.

Managing the purification database, scheduling purifications, and delivering custom arrayed materials to downstream users

Maintaining & troubleshooting of liquid handlers

Development of automated bispecific antibody generation methods using different antibody formats

Close interaction with protein engineering project teams to plan and coordinate protein production

Presentation of purification data at group & project team meetings

Regular review of literature to maintain knowledge of scientific trends and industry processes, advance molecular biology and protein production methods



Bachelor’s degree & 2-4 years of experience, or master’s degree and 1-2 years of experience, in protein purification, biochemistry, biology, chemical engineering or a related discipline, along with a basic understanding of antibodies and protein production.

Demonstrated technical proficiency in protein purification

At least 2 years of experience with using laboratory automation, including writing and troubleshooting protocols

Track record of strong problem solving and organizational skills, orientation to detail

Ability to multi-task, prioritize responsibilities, work under strict deadlines, and remain flexible with changing needs

Ability to work effectively to solve process development problems and implement improved procedures.

Strong written and oral communication skills


Experience with Tecan, Beckman, and/or Lynx liquid handling platforms

Industry experience in protein expression/purification/antibodies/ molecular biology

Experience with high throughput sample tracking and laboratory logistics software

Experience in writing and understanding methods for laboratory automation technologies.


Lifting, sitting, standing, walking, bending, reaching, ability to perform mathematical calculations and ability to perform complex data analysis.

Other Job Details:

Last Day of application: February 9th, 2023
Work Location Assignment: On Premise, colleagues work in a Pfizer site because it’s needed to get their job done. They may have flexibility to work remotely from time to time, but they are primarily on-site.

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.

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More Info

Job posting number:#7121829 (Ref:4876201 )
Application Deadline:2023-2-10
Employer Location:Pfizer Inc.
New York,New York
United States
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