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Job Title: Protein Scientist, Expression Science
Company Name: Johnson & Johnson
Location: Spring House, PA
Position Type: Full Time
Post Date: 11/19/2022
Expire Date: 11/29/2022
Job Categories: Biotechnology and Pharmaceutical, Healthcare, Practitioner and Technician, Information Technology, Internet/E-Commerce, Science, Quality Control, Research & Development, Medical, Web Technology
Job Description
Protein Scientist, Expression Science

Janssen Research & Development, LLC is recruiting for a Protein Expression Scientist, Expression Sciences located in Spring House, PA.


At the Janssen Pharmaceutical Companies of Johnson & Johnson, we are working to create a world without disease. Transforming lives by finding new and better ways to prevent, intercept, treat and cure disease inspires us. We bring together the best minds and pursue the most promising science. We are Janssen. We collaborate with the world for the health of everyone in it. Learn more at www.janssen.com and follow us @JanssenGlobal. Janssen Research & Development, LLC is part of the Janssen Pharmaceutical Companies. 


Are you an outstanding scientist with experience in high throughput protein expression and characterization? Are you looking to apply your expertise to design novel biotherapeutics sought at addressing the most difficult disease challenges? We at Janssen Biotherapeutics are looking for a highly motivated scientist to join our team committed to the ambitious mission of changing the future of medicine. As a member of the Biologics Discovery team, you will apply the latest high throughput technologies to express and screen novel lead molecules for addressing unmet medical needs.


Key Responsibilities:

  • Perform high throughput expression and characterization of therapeutic molecules.

  • Proactively implement strategies using ‘groundbreaking’ technologies and improve existing processes to align with project needs enabling delivery of lead candidates in a timely fashion

  • Hands-on experience with protein expression and characterization technologies using established high throughput robotic platforms and analytical methods to ensure the highest quality therapeutic lead proteins.

  • Ability to take an integral role in project and functional teams to drive project advancement.

  • Maintain accurate laboratory notebooks and write reports, summaries, protocols, and manuscripts.

Qualifications & Requirements



  • PhD in Molecular Biology, Biochemistry, Biotechnology, Biophysics or related field.

  • B.Sc. or M.Sc in Molecular Biology, Biochemistry, Biotechnology, or related field with 6 years of post-graduation experience



  • Excel at culturing various cell lines such CHO and HEK.

  • Strong written and oral communication skills.


Preferred skills:

  • Experience with running and optimizing Bioreactor.

  • Demonstrated excellence at CHO/HEK transient transfection or engineering CHO/HEK cell line for altering expression level/post translational modification such as glycoengineering.

  • Familiar with affinity and non-affinity protein purification technologies.

  • Experience with protein engineering of therapeutic proteins such as antibodies and cytokines.

  • Knowledge of plasmid DNA design for optimizing protein expression.


At Johnson & Johnson, we’re on a mission to change the trajectory of health for humanity. That starts by creating the world’s healthiest workforce. Through cutting-edge programs and policies, we empower the physical, mental, emotional, and financial health of our employees and the ones they love. As such, candidates offered employment must show proof of COVID-19 vaccination or secure an approved accommodation prior to the commencement of employment to support the well-being of our employees, their families, and the communities in which we live and work.


For more information on how we support the whole health of our employees throughout their wellness, career, and life journey, please visit www.careers.jnj.com.


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.

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Company Name: Johnson & Johnson
Company Description:

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