Engineer II, Software Test

Danaher Corporation; Irvine (CA); On-site; USD 80,000 - 105,000; Full time

Job summary

Masimo, a Danaher operating company, is seeking an Engineer II, Software Test in Irvine, CA. The role focuses on design, development, and execution of test strategies for medical device systems, combining manual and automated testing to ensure quality and regulatory compliance.

You will build automated scripts in Python, TCL, and collaborate cross-functionally with software, hardware, systems, and quality teams to meet test goals and support bring-up.

Qualifications

• B.S. in computer science, computer engineering, software engineering, biomedical engineering, or related technical discipline.
• 3+ years of experience in medical device testing, system validation, or software quality engineering.
• Hands-on experience with lab equipment and system-level debugging.

Responsibilities

• Design and develop test strategies, plans and cases for medical device systems.
• Execute functional, integration, system-level and performance testing.
• Review requirements and architecture to ensure testability.
• Develop test reports, traceability matrices and validation docs.
• Build automated test scripts using Python, TCL, or similar.
• Collaborate with software, hardware, systems and quality teams to define test quality goals.
• Support system integration, bring-up and troubleshooting.

Skills

Medical device testing

System validation

Software quality engineering

Test automation

Education

Bachelor's degree in computer science/engineering

Tools

Python

C/C++

Job description

Bring more to life.

Are you ready to accelerate your potential and make a real difference within life sciences, diagnostics and biotechnology?

At Masimo, one of Danaher’s (https://danaher.com/our-businesses) 15+ operating companies, our work saves lives—and we’re all united by a shared commitment to innovate for tangible impact.

You’ll thrive in a culture of belonging where you and your unique viewpoint matter. And by harnessing Danaher’s system of continuous improvement, you help turn ideas into impact – innovating at the speed of life.

Masimo is a global medical technology company that develops and produces a wide array of industry-leading monitoring technologies, including non-invasive measurements, sensors, patient monitors, and automation and connectivity solutions. Our mission is, Masimo innovations empower clinicians to transform patient care. When you join our team, you’ll be part of a culture that’s driven by passion, challenging the status quo, and making an impact in the lives of others.

Learn about the Danaher Business System (https://www.danaher.com/how-we-work/danaher-business-system) which makes everything possible.

The Engineer II, Software Test is responsible for design, development, and execution of test strategies for medical device systems. This role combines hands‑on system-level testing with ownership of creating manual and automated test cases to ensure product quality, reliability, and regulatory compliance.

The position reports to the Sr Manager, Instrument Software Test and is part of the Software Test Engineering department located in Irvine, CA and will be an on‑site role.

In This Role, You Will Have The Opportunity To:

• Design and develop comprehensive test strategies, plans, and test cases for medical device systems.
• Execute and oversee functional, integration, system‑level, and performance testing.
• Review requirements and system architecture to ensure testability and coverage.
• Develop test reports, traceability matrices, and validation documentation.
• Build automated test scripts using languages such as Python, TCL, or similar.
• Partner with software, hardware, systems, and quality teams to define test strategies and quality goals
• Support system integration, product bring‑up, and troubleshooting efforts.

The Essential Requirements Of The Job Include:

• B.S. Degree in computer science, computer engineering, software engineering, biomedical engineering, or related technical discipline.
• 3+ 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
• Hands‑on experience with lab equipment and system‑level debugging.
• Experience with test automation frameworks and scripting (Python, C/C++, or similar).

It would be a plus if you also possess previous experience in:

• Familiarity with IEC 62304, ISO 13485, FDA Quality System Regulation, or other applicable software quality standards.
• Proficient in industry-standard communication protocols, including RS-232, I²C, SPI, and TCP/IP, for hardware and software integration, debugging, and validation.
• Strong analytical and problem‑solving skills.

Masimo, a Danaher operating company, offers a broad array of comprehensive, competitive benefit programs that add value to our lives. Whether it’s a health care program or paid time off, our programs contribute to life beyond the job.

The annual salary range for this role is $80,000 – $105,000. This is the range that we in good faith believe is the range of possible compensation for this role at the time of this posting. This range may be modified in the future.

This job is also eligible for up to a 10% annual bonus/incentive pay.

We offer comprehensive package of benefits including paid time off, medical/dental/vision insurance and 401(k) to eligible employees.

Note: No amount of pay is considered to be wages or compensation until such amount is earned, vested, and determinable. The amount and availability of any bonus, commission, benefits, or any other form of compensation and benefits that are allocable to a particular employee remains in the Company’s sole discretion unless and until paid and may be modified at the Company’s sole discretion, consistent with the law.

Danaher Corporation and all Danaher Companies are committed to equal opportunity regardless of race, color, national origin, religion, sex, age, marital status, disability, veteran status, sexual orientation, gender identity, or other characteristics protected by law.

The U.S. EEO posters are available here (http://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf) .

For candidates who are based outside of New York City or who are applying for roles outside of New York City, for more information about conditions of any job offer please click here (https://jobs.danaher.com/global/en/notice-to-us-candidates-based-in/applying-for-roles-outside-nyc) .

We comply with federal and state disability laws and make reasonable accommodations for applicants and employees with disabilities. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact:1-202-419-7762 or [e-mail].