Principal R&D Engineer

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.

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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.

R&D Product Development

R&D Software/Systems Engineering

Scientific/Technology

Irvine, California, United States of America

Johnson & Johnson Med Tech Electrophysiology is recruiting for a Principal Engineer to support the Electrophysiology (EP) business unit based in Irvine, CA.

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

Fueled by innovation at the intersection of biology and technology, we’re developing the next generation of smarter, less invasive, more personalized treatments.

Are you passionate about improving and expanding the possibilities of Cardiovascular? Ready to join a team that’s reimagining how we heal? Our Cardiovascular team develops leading solutions for heart recovery, electrophysiology, and stroke. You will join a proud heritage of continually elevating standards of care for stroke, heart failure and atrial fibrillation (AFib) patients.

Your unique talents will help patients on their journey to wellness. Learn more at

The Principal Engineer plays a critical role in advancing catheter development within the R&D ULS Team by driving projects from concept to commercial, validating designs, and enabling reliable transitioning toward development and early production. This role emphasizes hands‑on technical leadership, rapid problem solving, and mentorship of junior engineers, with regular collaboration across internal and external research partners.

The Principal Engineer contributes to the R&D team to deliver clinically relevant devices while supporting process improvements and knowledge transfer to commercial.

This position offers the opportunity to shape the future of medical devices by supporting high-risk, high-reward innovations that align with our long-term strategic goals of market leadership and patient impact. The Principal Engineer will operate within the R&D organization agility, fostering a culture of rapid experimentation, iterative development, and scientific excellence.

In accordance với all applicable federal, state and local laws/regulations and Corporate Johnson & Johnson, procedures and guidelines, this position:

• Leading expert individual contributor who is viewed as a valuable resource by peers in a scientific/technology field. Consults on critical methods and research to achieve operational, functional, and/or business targets with measurable impact on department results. Masters knowledge…