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QC Testing Assistant Researcher, Protein

Genscript

Piscataway, New Jersey, United States (Piscataway, New Jersey) permanent

Posted: January 16, 2026

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Quick Summary

We are seeking a QC Testing Assistant Researcher to join our team in Piscataway, NJ, to assist with protein testing and quality control.

Job Description

About GenScript

GenScript Biotech Corporation (Stock Code: 1548.HK) is a global biotechnology group. Founded in 2002, GenScript has an established global presence across North America, Europe, the Greater China, and Asia Pacific. GenScript's businesses encompass four major categories based on its leading gene synthesis technology, including operation as a Life Science CRO, enzyme and synthetic biology products, biologics development and manufacturing, and cell therapy.

GenScript is committed to striving towards its vision of being the most reliable biotech company in the world to make humans and nature healthier through biotechnology.

About ProBio

ProBio proactively provides end-to-end CDMO service from drug discovery to commercialization with proactive strategies, professional solutions and efficient processes in cell and gene therapy, vaccine, biologics discovery and antibody protein drug to accelerate drug development for customers. ProBio’s total cell and gene therapy solution covers CMC of plasmid and virus for IND filing as well as clinical manufacturing and commercial manufacturing.

GenScript is seeking a QC Testing Assistant Researcher for our US Protein Production team in Piscataway, NJ. This role involves performing analytical testing and characterization of protein products to support research, development, and production activities, and completing the test data analysis work in a timely manner.

The estimated salary range is $60,000 - $75,000, depending on experience.

Job Responsibilities:

• Be responsible for generating Certificate of Analysis (COA) documents to ensure stable daily production.

• Be responsible for performing and reviewing Quality Control (QC) testing data (such as SDS-PAGE, Capillary Electrophoresis -SDS (CE - SDS), HPLC Chromatograms etc.) to ensure accuracy and adherence to requirements and specifications.

• Be responsible for collecting issues from this position and its upstream/downstream processes, promoting problem analysis and resolution to improve the accuracy of this position.

• Summarize and analyze the experimental data as required, upload the data to the recording system, analyze and sort out the non - compliant data, and assist in the delivery of the final samples for delivery.

• Conduct experimental operations, draft and review records in accordance with the quality management and compliance requirements of the department. Complete other tasks assigned by superiors.

• Support continuous improvement initiatives and additional tasks as assigned by the supervisor.

Job Requirements:

• BS/MS in biology-related majors are preferred, Chemical, Food, Pharmaceutical, Medicine or other related disciplines with relevant experience is preferred.

• Hands-on experience with analytical instruments such as HPLC, SDS-PAGE, ELISA, UV-Vis, or similar is preferred.

• Ability to work independently and collaboratively in a fast-paced team environment.

• Good communication skills and the ability to clearly document and present data.

• Fresh graduates are welcome to apply. Abide by the relevant rules and regulations involved in the position.

#LI-EB1

#GS

GenScript USA Inc/ProBio Inc. is a proud equal opportunity/affirmative action employer committed to attracting, retaining, and maximizing the performance of a diverse and inclusive workforce. It is the Company's policy to ensure equal employment opportunity without discrimination or harassment based on race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity or expression, age, disability, national origin, marital or domestic/civil partnership status, genetic information, citizenship status, uniformed service member or veteran status, or any other characteristic protected by law.

GenScript USA Inc./ProBio Inc. maintains a drug-free workplace.

Please note: Genscript USA Inc./ProBio Inc. will only contact candidates through verified application sources. GenScript/Probio does not request personal information from candidates through individual email or any other platform.

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