Engineer II, Algorithm

The Engineer II, Algorithm supports the design, development, testing, and optimization of advanced signal processing and physiological measurement algorithms used in Masimo’s medical technologies and monitoring platforms.

This role contributes to the development of next-generation noninvasive monitoring solutions through data analysis, modeling, experimentation, and cross-functional engineering collaboration.

The Engineer II works closely with algorithm, software, systems, hardware, clinical, and regulatory teams to develop robust, scalable, and clinically reliable algorithms that support product innovation and performance improvements across Masimo’s portfolio.

Please note this is an onsite position at our Irvine, CA. office.

• Design, develop, implement, test, and optimize signal processing and physiological measurement algorithms for medical device applications.
• Analyze physiological and clinical data sets to evaluate algorithm performance, accuracy, robustness, and reliability.
• Support development activities across the algorithm lifecycle, including concept development, feasibility analysis, prototyping, verification, validation, and product integration.
• Apply statistical analysis, numerical modeling, machine learning, and digital signal processing techniques to solve complex biomedical engineering problems.
• Develop software tools, scripts, and simulation environments to support algorithm development and data analysis activities.
• Collaborate with software, hardware, systems, clinical, and quality engineering teams to support product development initiatives.
• Participate in clinical data collection activities, experimental design, and analysis of human subject study data.
• Contribute to root cause investigations, troubleshooting efforts, and continuous improvement activities related to algorithm performance.
• Document technical designs, development activities, verification results, and engineering analyses in accordance with design control and quality system requirements.
• Support regulatory submissions and technical documentation activities as needed.
• Participate in technical reviews, design discussions, and cross-functional project meetings.
• Stay current with emerging technologies, industry trends, and advancements in biomedical signal processing, AI/ML applications, and physiological monitoring.

• 2–5 years of related engineering experience in algorithm development, signal processing, biomedical engineering, software engineering, or a related technical discipline
• Experience with digital signal processing, statistical analysis, optimization methods, and numerical modeling
• Strong programming and software development skills using MATLAB, Python, C/C++, or similar technical computing languages
• Experience analyzing large data sets and developing data-driven solutions
• Strong analytical, problem-solving, and troubleshooting skills
• Ability to work effectively in a fast-paced, collaborative, and highly technical environment
• Strong written and verbal communication skills
• Ability to manage multiple priorities and contribute across concurrent projects

• Experience developing algorithms for biomedical, physiological, wearable, or medical device applications
• Familiarity with machine learning, AI, or advanced data analytics techniques
• Understanding of human physiology and biomedical signal acquisition methods
• Understanding of embedded systems and software development principles
• Experience working within regulated environments such as FDA, ISO 13485, or IEC 62304
• Exposure to clinical study design, clinical data analysis, or verification and validation activities
• Experience with cloud-based data analysis tools, version control systems, and collaborative software development workflows

Bachelor’s degree in Electrical Engineering, Biomedical Engineering, Computer Engineering, Computer Science, Applied Mathematics, Physics, or a related technical field required.

Master’s or PhD degree preferred.

Language requirements:

• Ability to read, write, and communicate effectively in English
• Ability to interpret technical documents, schematics, and written instructions
• Ability to clearly document technical findings and communicate with cross-functional team members

Compensation + Benefits: The anticipated range for this position is $120,000 - $150,000. 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:

This position primarily works in an office environment and requires frequent sitting, standing, and walking.

Daily use of a computer and other digital devices is required.

This role may require standing for extended periods when facilitating meetings or walking through 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 accommodations may be made for those individuals with real or perceived disabilities to perform the essential functions of the job described.