Job Summary:
We are seeking a highly skilled Senior Engineer, Software Test to lead the design, development, and execution of test strategies for medical device systems. This role combines hands-on system-level testing with ownership of scalable automation frameworks to ensure product quality, reliability, and regulatory compliance.
The ideal candidate will drive both verification & validation activities and test automation infrastructure, working cross-functionally with software, hardware, systems, and quality teams to deliver high-quality medical devices.
Key Responsibilities
Test Engineering & Validation
Design and develop comprehensive test strategies, plans, and test cases for medical device systems
Execute and oversee functional, integration, system-level, and performance testing
Lead verification and validation (V&V) activities in compliance with regulatory standards
Perform root cause analysis on defects and drive resolution with cross-functional teams
Review requirements and system architecture to ensure testability and coverage
Develop test reports, traceability matrices, and validation documentation
Automation & Framework Development
Design, develop, and maintain scalable automated test frameworks and infrastructure
Build automated test scripts using languages such as Python, C/C++, or similar
Integrate automated testing into CI/CD pipelines to enable continuous validation
Improve test efficiency, coverage, and reliability through automation and tooling
Evaluate and implement new tools and technologies to enhance test capabilities
Cross-Functional Collaboration
Partner with software, hardware, systems, and quality teams to define test strategies and quality goals
Support system integration, product bring-up, and troubleshooting efforts
Collaborate with manufacturing and field teams on failure analysis and issue resolution
Mentor junior engineers and provide technical leadership in test methodologies
Minimum Qualifications
Bachelor's or Master's degree in Computer Engineering, Computer Science, Biomedical Engineering, or related field
5+ years of experience in medical device testing, system validation, or software quality engineering
Strong understanding of system-level testing across hardware, software, and integrated systems
Experience with test automation frameworks and scripting (Python, C/C++, or similar)
Solid knowledge of verification & validation processes and defect tracking systems
Hands-on experience with lab equipment and system-level debugging
Strong analytical and problem-solving skills
Preferred Qualifications
Medical Device industry experience.
Background in Agile/Scrum development environments.
Experience with CI/CD systems and automated test pipelines
Experience with Linux/Unix environments
Background in both hardware and software system testing
Experience mentoring or leading engineering efforts
Education:
Compensation: The anticipated range for this position is $100,000 - $120,000. Actual placement within the range is dependent on multiple factors, including but not limited to skills, education, and experience. This position also qualifies for up to 10% annual bonus based on Company, department, and individual performance. Masimo offers benefits such as Medical, Dental, Vision, Life/AD&D, Disability Insurance, 401(k), Vacation, Sick, Holiday, Paid Maternity Leave, Flexible Spending Accounts, voluntary Accident, Critical Illness, Hospital, Long-Term Care, Employee Assistance Program, Pet Insurance, on-site Wellness Clinic, Fitness Center, Café. All benefits are subject to eligibility requirements.
Physical requirements/Work Environment:
ONSITE position Monday - Friday in Irvine, CA. This position primarily works in an office environment. It requires frequent sitting, standing and walking. Daily use of a computer and other computing and digital devices is required. May stand for extended periods when facilitating meetings or walking in the facilities.
The physical demands of the position described herein are essential functions of the job and employees must be able to successfully perform these tasks for extended periods. Reasonable accommodation may be made for those individuals with real or perceived disabilities to perform the essential functions of the job described.
Masimo (NASDAQ: MASI) is a global medical technology company that develops and manufactures innovative noninvasive patient monitoring technologies, including medical devices and a wide array of sensors. A key medical technology innovator, Masimo is responsible for the invention of award-winning noninvasive technologies that are revolutionizing patient monitoring, including Masimo SET® pulse oximetry, Masimo Rainbow Pulse CO-Oximetry and new Masimo noninvasive and continuous total hemoglobin (SpHb™) monitoring technology. The recent introduction of the first-and-only FDA-cleared technology that noninvasively and continuously measures total hemoglobin without a painful needle stick and invasive blood draw is expected to open new markets and significantly expand the company’s growth opportunities.