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(Sr) Technician, Upstream Process

Genscript

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

Posted: May 12, 2026

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Quick Summary

GenScript Biotech Corporation is a global biotechnology group with a strong presence in North America, Europe, the Greater China, and Asia Pacific. They are committed to striving for excellence in biotech services, including gene synthesis, enzyme and synthetic biology products, biologics development and manufacturing, and cell therapy. This Senior Technician position requires a strong background in biotechnology and a passion for innovation.

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, a subsidiary of GenScript, is a global CDMO offering end-to-end services from discovery to GMP for plasmids, antibodies, and cell & gene therapies. We bring together multidisciplinary expertise to accelerate development and manufacturing through customized, and comprehensive services. ProBio has established companies in the United States, the Netherlands, South Korea, and China (Hong Kong, Shanghai, and Nanjing) and other regions to serve global customers, and has helped customers in the United States, Europe, Asia Pacific and other regions obtain more than 150 IND approvals since October 2017.

About the job:

The (Sr) Technician, Upstream Process will work within the Upstream Processing group and performs the following activities while executing upstream operations:

• Preparation of stock solutions, buffers and media.

• Filtration of stock solutions, buffers and media.

• Set-up and operate disposable fermenters / bioreactors and other disposable bioprocess equipment including depth filtration.

• Passage and expansion of microbial and mammalian cell lines

• The (Sr) Technician, Upstream Process supports relevant regulatory requirements and company Standard Operating Procedures (SOPs) as appropriate.

Location: Pennington, New Jersey

Responsibilities:

• Executes routine complex manufacturing assignments per written procedures; recognizes deviations from procedures and raises issue to management for resolution.

• Adheres to current Good Manufacturing Practices (cGMP) and Standard Operating Procedures (SOPs).

• Performs routine microbial and mammalian cell culture using aseptic techniques. Monitors microbial fermenters and mammalian cell cultures bioreactors.

• Weighs and checks raw materials, assembles process equipment, and monitors processes.

• Completes work instructions and maintains clean room environment to comply with regulatory requirements. Removes red bag waste as required.

• Operates all production equipment in assigned functional area such as disposable fermenters, bioreactors, other disposable Bioprocess equipment, and media preparation equipment as per written procedures.

• Authors solution preparation Master Batch Records (MBRs) by transferring technical information from scientific and development documents.

• Proposes and routes revisions to existing SOP’s for functional area equipment.

• Works to become proficient on common bioprocessing equipment.

• Participates in low risk deviations investigations. Assists in the implementation of Corrective Action / Preventative Actions (CAPA) action items within agreed upon timelines.

• Conducts Safety and GMP self-auditing walkthroughs, documenting observations for assignment and closure dates. Tracks and ensures closure of observations.

• Logs and submits samples in Laboratory Information Management System (LIMS); tracks results and compiles data.

• Reviews own work for completeness on executed Master Batch Records (MBRs).

• Coordinate the tracking and return of executed records to Quality department for review.

• Coordinates with Logistics to ensure needed materials are delivered to the production area timely. Monitors future needs against material supply to alert Logistics of shortfalls.

• Performs other tasks and assignments as needed and specified by management.

Qualifications:

• Bachelor’s degree in science or engineering with a 0 – 5 years relevant experience or an Associate’s degree in science or engineering with a minimum of 3 years relevant experience or a High school diploma with a minimum of 7 years relevant experience.

• Demonstrated ability to follow written instructions and procedures.

• Demonstrated ability to pay strict attention to detail.

• Proficiency with Microsoft Office.

• Excellent verbal and written communication and skills.

• Ability to work collaboratively as part of a team, in a fast-paced, matrixed, team environment consisting of internal and external team members.

The estimated pay range for the role is between $60,000 - $75,000 based on qualifications and experience.

#PB

#AH

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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