At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn more at jnj.com.

As guided by Our Credo, Johnson & Johnson is responsible to our employees who work with us throughout the world. We provide an inclusive work environment where each person is considered as an individual. At Johnson & Johnson, we respect the diversity and dignity of our employees and recognize their merit.

Job Function:

Discovery & Pre-Clinical/Clinical Development

Job Sub Function:

Biotherapeutics R&D

Job Category:

Scientific/Technology

All Job Posting Locations:

Malvern, Pennsylvania, United States of America

Job Description:

About Innovative Medicine

Our expertise in Innovative Medicine is informed and inspired by patients, whose insights fuel our science-based advancements. Visionaries like you work on teams that save lives by developing the medicines of tomorrow.

Join us in developing treatments, finding cures, and pioneering the path from lab to life while championing patients every step of the way.

Learn more at https://www.jnj.com/innovative-medicine

We are searching for the best talent for Associate Scientist, Protein Characterization by Mass Spectrometry in Malvern, PA.

The Associate Scientist will work in the Characterization group within Analytical Development to develop, design and perform mass spectrometry assays in support of product characterization and process development activities.  Duties and responsibilities include but are not limited to:

• Execute intact/reduced/subunit LC/MS assays for characterizing mAb products
• Perform metabolite analysis using targeted LC/MS methods
• Perform method qualifications and write reports to support analytical development and manufacturing process development, process validations, manufacturing investigations, structure/function characterization, and IND/BLA filing.
• Maintain laboratory notebooks and prepare written protocols and reports in a Good Manufacturing Practice (GMP) compliant manner.

Qualifications:
 

Education:

• B.S./B.A. in Analytical Chemistry, Biochemistry, Biotechnology, Protein Formulations, Chemical Engineering, or a related field with 2+ years of experience, performing progressively advanced duties or the equivalent training/experience

Required:

• Hands-on experience with Mass Spectrometry
• Experience working in a GLP/GMP environment
• Good written and verbal communication skills
   

Preferred:

• Experience with mass spectrometers and associated software from different vendors (Waters, Thermo, Sciex, Shimudzu)
• Experience with 3rd party MS software (eg., Protein Matrix, Genedata Expressionist, etc.)
• Experience with characterization of antibody drug conjugates (ADCs)
• Experience and understanding of pharmaceutical development chemistry, manufacturing and controls (CMC) processes and regulatory requirements for protein biologics

This job posting is anticipated to close on April 3, 2026. The Company may however extend this time-period, in which case the posting will remain available on https://www.careers.jnj.com to accept additional applications.

Johnson & Johnson is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, age, national origin, disability, protected veteran status or other characteristics protected by federal, state or local law. We actively seek qualified candidates who are protected veterans and individuals with disabilities as defined under VEVRAA and Section 503 of the Rehabilitation Act. 

Johnson & Johnson is committed to providing an interview process that is inclusive of our applicants’ needs. If you are an individual with a disability and would like to request an accommodation, external applicants please contact us via https://www.jnj.com/contact-us/careers , internal employees contact AskGS to be directed to your accommodation resource.

#LI-Onsite 

 

 

Required Skills:

 

 

Preferred Skills:

Analytical Reasoning, Biochemistry, Chemistry, Manufacturing, and Control (CMC), Clinical Trial Protocols, Collaborating, Data Quality, Drug Discovery Development, Execution Focus, Molecular Diagnostics, Pharmacogenetics, Problem Solving, Research Documents, Scientific Research, Technologically Savvy, Troubleshooting, Written Expression