Principal Scientist, Bioassay Methods Development
Johnson & JohnsonRole Overview
Johnson & Johnson is hiring a Principal Scientist, Bioassay Methods Development. This is a full-time role in Malvern, Pennsylvania, United States of America. posted today. applications are still in the early window, before most candidates have applied. Full responsibilities, required qualifications, and the apply link are listed in the description below.
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Job description
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 DevelopmentJob Sub Function:
Biotherapeutics R&DJob Category:
Scientific/TechnologyAll Job Posting Locations:
Malvern, Pennsylvania, United States of AmericaJob Description:
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
Johnson and Johnson is currently seeking a Principal Scientist, Bioassay Methods Development, located in Malvern, PA.
The Principal Scientist, Bioassay Methods Development, will be responsible for the development of cell-based bioassays and binding assays to be used as QC potency assays and in support of structure-function and biological characterization studies, to better understand mechanism of action for new molecular entities in clinical development and for commercial products. This role will also build and maintain strong relationships with Discovery partners to gain earlier insight into products entering development, increasing speed and facilitating readiness for cell-based assay development. The individual will be accountable for method development, qualification, validation, and transfer activities as well as the evaluation of new technologies.
Key Responsibilities:
- Designing, troubleshooting, and executing experiments independently. Analyzing data, interpreting results, and reporting data in laboratory notebooks. Collaborate with partners to troubleshoot assay problems as they occur. Maintain awareness of the current literature relevant to methods.
- Establishing and strengthening partnerships with Discovery teams to understand emerging product attributes, anticipated assay needs, and development timelines, enabling earlier planning and readiness for cell-based assay development.
- Authoring protocols and reports. Performing and coordinating testing to support analytical development, manufacturing process development, process validations, and manufacturing investigations across functional groups.
- 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.
- Authoring and reviewing analytical sections of regulatory submissions (INDs, BLAs, MAAs).
- Providing technical support with development and QC laboratories is expected and the successful candidate will also support Quality Assurance, Regulatory Affairs and Process Development groups for all phases of product development as well as ongoing support of analytical methods for marketed products.
- Lead matrix teams, with potential responsibility for supervising 2–3 direct reports.
Qualifications
Education:
- A minimum of a Bachelor's degree in Biology, Pharmacology. Immunology, Biochemistry, or other relevant scientific fields, with at least 9 years of industry experience, a Master's degree with at least 7 years of industry experience, or a PhD with 4 years of relevant experience is required.
Experience and Skills:
Required:
- Experience in development of bioassays, binding assays, and/or immunochemical techniques.
- Experience with cell culture and aseptic technique.
- Prior experience in the biotechnology or pharmaceutical industry (therapeutic proteins/antibodies, cell and gene therapies, and/or vaccines).
- Previous leadership experience (matrix leadership, coaching, mentoring, leading projects) is required.
- The ability to communicate ideas and influence others is essential.
- Strong technical writing and verbal communication skills.
- Excellent interpersonal skills with the ability to operate effectively in a dynamic work environment.
Preferred:
- Experience with direct people management, coaching, and employee career development.
- Experience with automated liquid handlers (e.g. Tecan or Hamilton).
- Experience with flow cytometry.
- Experience with Biacore and/or other surface plasmon resonance technology.
- Prior experience in a GMP environment.
- Preferred skills would include method robustness, DoE, method design, and familiarity with assay validation parameters.
Required Skills:
Preferred Skills:
About Johnson & Johnson
Johnson & Johnson
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Frequently Asked Questions
How do I apply for the Principal Scientist, Bioassay Methods Development position at Johnson & Johnson?
Use the Apply button above to submit your application directly to Johnson & Johnson. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Where is the Principal Scientist, Bioassay Methods Development position at Johnson & Johnson located?
This position is based in Malvern, Pennsylvania, United States of America. Johnson & Johnson has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.
What does a Principal Scientist, Bioassay Methods Development at Johnson & Johnson earn?
Johnson & Johnson has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.
When was the Principal Scientist, Bioassay Methods Development role at Johnson & Johnson posted?
This role was posted on July 24, 2026 (today). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
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