Bioassay Methods Development
Posted on 9/10/2025

Johnson & Johnson
No salary listed
Malvern, PA, USA
In Person
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Non-LDP Intern/Co-OpJob Category:
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Malvern, Pennsylvania, United States of AmericaJob Description:
Johnson and Johnson Innovative Medicine is recruiting for a Co-Op in the Bioassay Methods Development group located in Malvern, PA.
Research & Development Co-op Overview:
At the J&J Innovative Medicine, 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.
The Co-Op, Bioassay Methods Development, will be responsible for the development of cell-based binding and immunoassays in support of potency, structure-function and residual impurity assessment. The individual will be responsible for ongoing method development, as well as the evaluation of new technologies such as multiplexing platforms and laboratory automation.
Life as an R&D Co-op:
The R&D Co-op program provides each student with real-life hands-on experience, coaching and mentoring, networking opportunities, as well as the opportunity to meet people from various schools throughout the country. Each Co-op will be matched with a mentor and will focus on at least one focused project for the 6-month term.
The typical Co-op term is from Jan 2026 – July 2026.
Key Responsibilities:
- Work with team members to explore new immunoassay technologies such as Alphalisa for residual impurity assays.
- Accurately recording data in a timely manner, including maintenance of detailed records in compliance with applicable GMP, safety, and environmental requirements. The successful candidate will ensure data integrity and protocol compliance.
- Designing, troubleshooting, and executing experiments with minimal supervision. Analyzing data, interpreting results, and reporting data in laboratory notebooks. Collaborate with partners to troubleshoot assay problems as they occur.
- Providing status updates to stakeholders and effectively communicating project updates to team.
Qualifications:
Required:
- This is a 6-month position and would require the ideal candidate to be enrolled in a program that supports co-op opportunities.
- The ideal candidate should be rising to Junior or Senior year pursuing a Bachelor's degree in Cellular and/or Molecular Biology, Pharmacology. Immunology, Biochemistry, or other relevant scientific field. Candidates pursuing a Master's degree in same subjects may be considered as well.
- Excellent interpersonal skills with the ability to operate effectively in a dynamic work environment.
Preferred:
- Experience with basic laboratory instrumentation such as balances and plate readers is preferred.
- Experience with pipettors and microtiter plates is preferred.
- Experience with cell culture and aseptic technique is preferred.
- Prior experience in a GMP environment and experience with laboratory automation is preferred.
- Experience in development of bioassays, binding assays, and/or immunochemical techniques is preferred.
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 and 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, please email the Employee Health Support Center([email protected]) or contact AskGS to be directed to your accommodation resource.
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.

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