Engineer II – Optical Systems
Johnson & JohnsonAbout the role
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 https://www.jnj.com
Job Function:
R&D Product DevelopmentJob Sub Function:
R&D Mechanical EngineeringJob Category:
Scientific/TechnologyAll Job Posting Locations:
Danvers, Massachusetts, United States of AmericaJob Description:
Johnson & Johnson is currently seeking a Product Development Engineer II to join our Heart Recovery team located in Danvers, MA.
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 https://www.jnj.com/.
Key Responsibilities
Design, development, and testing of advanced optical sensing systems and components, including fiber optics, interferometric sensors, and light-based diagnostic tools
System-level prototypes that integrate mechanical, electrical, optical, and embedded subsystems
Guide PCB design and embedded hardware development to support novel optical platforms
Plan and execute lab experiments to evaluate sensor performance, optimize signal quality, and troubleshoot noise or cross-talk
Collaborate with software, systems, and electrical engineers to support signal processing, calibration, and system integration
Drive the creation of detailed documentation including design inputs, test plans, verification protocols, and technical reports in compliance with FDA guidance
Present design updates, feasibility findings, and risk assessments to technical leadership and cross-functional teams
Contribute to IP generation and technical strategy for future product platforms
Required Qualifications
BS in Mechanical Engineering, Optical Engineering, or a related discipline with a strong concentration in optical sensing or optomechanical systems. Advanced Degree preferred
2+ years of relevant R&D or product development experience (industry or postdoctoral) beyond BS, ideally in medical devices or high-reliability embedded systems
Proficiency in optical system modeling and simulation (e.g., Zemax, FRED, or Code V) and hands-on lab experience with fiber optics, interferometry, or optical sensors
Familiarity with embedded systems, PCB design tools (e.g., Altium), and signal chain integration
Strong problem-solving skills, with the ability to work across disciplines and guide junior team members
Excellent communication and technical documentation skills
Preferred Qualifications
Experience with regulated development in the medical device industry (Class II or III devices)
Knowledge of biomedical signal acquisition and optical-electrical signal processing
Familiarity with SolidWorks or other 3D CAD for optomechanical integration
Proficiency with prototyping tools (3D printing, machining) and lab equipment such as power meters, light sources, spectrometers, and oscilloscopes
Programming skills in Python, C/C++, or MATLAB for sensor data acquisition and analysis
Demonstrated history of innovation, publications, or patent contributions
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.
For more information on how we support the whole health of our e
Apply for this role
Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.
Apply Now →Generate Application KitFree account required — sign up in 30s