Senior Scientist, In-vivo CAR-T

At Johnson & Johnson,we believe health is everything. Our strength in healthcare innovation empowers us to build aworld 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 Med Tech, 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

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.

Discovery & Pre-Clinical/Clinical Development

Biotherapeutics R&D

Scientific/Technology

Spring House, Pennsylvania, United States of America

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 Med Tech, 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

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.

We are searching for the best talent for a Senior Scientist, In-vivo CAR-T, to be based on-site in Spring House, PA.

The Senior Scientist will support the development, optimization, and scale-up of lentiviral vector (LVV) drug product processes from early to late-stage development. The role combines hands‑on laboratory work with strong cross‑functional collaboration to ensure robust, scalable, and GMP-ready processes.

• Design and execute LVV process development studies across early and late development stages

• Collaborate with modelling experts, data scientists to identify opportunities where modelling or machine learning can reduce experimental burden, improve robustness, or define process design space.

• Perform hands‑on laboratory work including process design, optimization, and characterization

• Analyze and interpret data to support process understanding, optimization, and decision‑making

• Support process characterization activities, including identification of CPPs and development of robust processes

• Contribute to scale‑up and manufacturing readiness, including support of technology transfer to internal sites or CMOs

• Collaborate cross‑functionally with Analytical Development, MSAT, Quality, Manufacturing, and Regulatory teams to ensure alignment on process strategy and execution

• Document experimental work and results in accordance with GxP and data integrity requirements

• Participate in troubleshooting activities and continuous process improvement initiatives

• Ph.D. 0‑2 years’ experience,
  
  B..S. or M.S. with 4‑6 years’ experience in an appropriate scientific discipline (Life Sciences or Chemical Engineering) is required

• Relevant experience in process development of viral vectors and/or LVV formulation development

• Strong hands‑on laboratory experience in drug product or viral vector development

• Understanding of process scale‑up, technology…