Sr Engineer III, Electronics

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 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 which makes everything possible.

The Sr Engineer III, Electronics

The Sr Engineer III, Electronics is responsible for leading the design, development, verification, and support of complex electronic hardware used in Masimo’s medical device products. This role provides advanced technical contribution across the hardware development lifecycle, including architecture definition, circuit design, board‑level implementation, verification, troubleshooting, and sustaining engineering. Working closely with cross-functional partners, this engineer independently drives complex technical solutions, supports critical product decisions, and contributes to product performance, reliability, and compliance objectives. This position reports to the Sr Director, Instrument Hardware and is part of the Hardware Engineering department located in Irvine, CA and will be an on‑site role.

In This Role, You Will Have The Opportunity To:

Lead design and development of analog and digital electronic circuits for medical device applications.

Own hardware design activities across the engineering lifecycle, including architecture, schematic development, implementation, verification, and sustaining support.

Collaborate closely with software, mechanical, systems, manufacturing, and quality engineering teams to integrate hardware solutions into finished products.

The Essential Requirements Of The Job Include:

B.S. Degree in Electrical Engineering or related technical discipline with 10+ years of progressive experience in electronics design, development, and troubleshooting.

Strong expertise in analog and digital circuit design.

Strong experience with schematic capture tools such as PADS, OrCAD, Altium, or equivalent.

Experience supporting PCB layout, board bring‑up, and high‑speed design methodologies.

Familiarity with full product development lifecycle from concept through production.

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

Experience designing within medical devices or other regulated product development environments.

Familiarity with IEC 60601‑1 and related compliance standards.

Experience supporting EMC/EMI design, testing, and troubleshooting.

Exposure to signal integrity and power integrity design considerations.

Experience with electrical simulation tools such as PSPICE, Multisim, or equivalent.

Programming experience in C for embedded systems support.

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. Check out our benefits at Danaher Benefits Info.

The annual salary range for this role is $130,000 - $170,000. 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. 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.

We partner with customers across the globe to help them solve their most complex challenges, architecting solutions that bring the power of science to life. For more information, visit

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Danaher is a leading global life sciences, biotechnology, and diagnostics innovator, helping to solve many of the world’s most important health challenges, ultimately improving quality of life for billions of people today, while setting the foundation for a healthier, more sustainable tomorrow. The Danaher ecosystem is made up of more than 15 businesses united by a shared commitment to innovate for tangible impact.

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