Johnson & Johnson Careers

Senior Associate Scientist, Protein Bioconjugation - Targeted Therapeutics

Spring House, Pennsylvania

Job Description

Requisition ID: 1045190402

Janssen Research & Development, L.L.C., a division of Johnson & Johnson's Family of Companies is recruiting for Senior Associate Scientist, Protein Bioconjugation - Target Therapeutics, for our site in Spring House, PA.

At the Janssen Pharmaceutical Companies of Johnson & Johnson, what matters most is helping people live full and healthy lives. We focus on treating, curing and preventing some of the most devastating and complex diseases of our time. And we pursue the most promising science, wherever it might be found.

Janssen Research & Development, LLC discovers and develops innovative medical solutions to address important unmet medical needs in oncology, immunology, neuroscience, infectious diseases and vaccines, and cardiovascular and metabolic diseases. Please visit for more information.

We are Janssen. Our mission drives us. Our patients inspire us. We collaborate with the world for the health of everyone in it.

Thriving on a diverse company culture, celebrating the uniqueness of our employees and committed to inclusion. Proud to be an equal opportunity employer.

The Targeted Therapeutics group is a part of Discovery Sciences in Janssen R&D and is engaged in developing groundbreaking therapeutics that require intracellular and tissue specific delivery, across the modality spectrum (including small molecules, biologics and nucleic acids) in partnership with Janssen therapeutic area teams. In this position, the Senior Associate Scientist will contribute to a team working on design and characterization of drug candidates such as antibody conjugates and nucleic acid conjugates. This scientist will primarily be responsible for conjugation of antibodies, proteins, and peptides to a variety of payloads; purification of these conjugates using standard chromatography methods; and characterization of the molecules with a panel of bioanalytical tools. The scientist will coordinate with team members to design and characterize molecules, and collaborate with therapeutic areas and other groups to advance projects. Additional responsibilities may include laboratory management duties such as maintaining lab instruments and training other scientists.



  • A minimum of a Bachelor’s Degree, in biotechnology, biochemistry, molecular biology or a related discipline with at least 8 years of laboratory experience is required.
  • Laboratory experience in one or more of the following areas is required:
    • protein purification
    • protein chemistry
    • biochemical analysis
  • Experience with the following techniques is required:
    • biomolecule purification using automated chromatography systems
    • bioconjugation methods
  • Additionally, the following skills are highly desired:
    • protein characterization
    • analytical chromatography
    • biophysical methods
    • Mass spectrometry
  • The ideal candidate will have a successful track record of problem solving, good organizational habits, excellent communication skills, and the ability to work under timelines and collaborate within multidisciplinary teams.

Johnson & Johnson is an Affirmative Action and 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, or protected veteran status and will not be discriminated against on the basis of disability. 

Primary Location
United States-Pennsylvania-Spring House-1400�McKean�Road
Janssen Research & Development, LLC. (6084)
Job Function
Requisition ID