Senior Software Test 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 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:

Technology Product & Platform Management

Job Sub Function:

QA/Test Engineering

Job Category:

People Leader

All Job Posting Locations:

Danvers, Massachusetts, United States of America

Job Description:

We are searching for the best talent for Senior Software Test Engineer.

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 https://www.jnj.com/medtech

Responsibilities:

•  Own and maintain the Python/pytest automated test suite; monitor and report on code coverage standards and integrate test reporting into CI/CD pipelines.
•  Design and execute test strategies for an embedded medical device platform, covering OS image builds (Yocto/Bitbake) or similar, embedded C/C++ application logic, Python system tools, and a device management web UI.
• Perform hardware-in-the-loop (HIL) testing: SD card flashing, device boot validation, serial console verification, and environment configuration switching.
• Verify security features including secure boot, PKI signing workflows, and mTLS provisioning including certificate enrollment, key storage, and cloud-based secrets management.
• Test cloud connectivity services including JSON telemetry, video streaming (RTMPS), and OTA software update delivery.
• Contribute to CI/CD quality gates by validating static analysis results, linting outcomes, and unit test reporting; support SBOM generation and CVE triage for embedded Linux components
• Produce IEC 62304-compliant test documentation including test plans, protocols, reports, and requirements traceability matrices.
•  Mentor junior engineers and collaborate across software, cloud, regulatory, and clinical teams on test planning and defect resolution.

Qualifications:

• Bachelors degree in Computer Science, Software Engineering, Electrical Engineering, Biomedical Engineering, or related field.
• 6+ years of software test engineering experience with embedded Linux internals systems and Yocto/Bitbake (or similar) OS image validation.
• 4+ years of Python and pytest experience, including coverage tooling and CI/CD integration.
• 4+ years of CI/CD pipeline experience with integrated quality gates (static analysis, linting, SBOM/CVE reporting).
• Experience with HIL testing: SD card imaging, device boot, serial console, and on-device script verification.
• Experience with PKI, secure boot, and mTLS provisioning testing for embedded hardware.
• Experience testing cloud-connected devices: TLS connectivity, video streaming, and OTA update validation. 

Preferred:

• Master’s degree in Computer Science, Software Engineering, Electrical Engineering, Biomedical Engineering, or related field.
• Knowledge of IEC 62304, FDA design controls, ISO 14971, and FDA cybersecurity guidance.
• Strong communication skills and ability to collaborate across embedded, cloud, and regulatory teams.

Johnson & Johnson is an Equal Opportunity Employer. All qualified applicants will receive consideration for empl