The Senior Human Resources Business Partner serves as a strategic advisor to executive and senior leadership across R&D, Quality & Regulatory, and General & Administrative (G&A) functions, shaping people and organizational strategies that enable business performance, transformation, and sustainable growth. This role partners with leaders to anticipate organizational needs, strengthen leadership and talent capability, and translate business strategy into integrated workforce solutions. Through strong business acumen, organizational insight, and data-driven decision-making, the Senior Human Resources Business Partner influences critical talent and organizational decisions and leads complex initiatives that advance Masimo’s business and People Strategy.
This is an onsite position at our Irvine, CA. headquarters.
Duties & Responsibilities
Minimum & Preferred Qualifications and Experience
Minimum Qualifications
10+ years of progressive Human Resources experience, including significant strategic HR Business Partner experience supporting executives and senior leadership within complex organizations.
Demonstrated ability to operate as a strategic advisor to executives and translate business strategy into organizational, workforce, and talent strategies.
Extensive experience in organizational design, workforce planning, talent and succession management, leadership development, performance management, and organizational effectiveness.
Proven experience leading complex organizational change, transformation, restructuring, or other large-scale workforce initiatives.
Strong business and financial acumen with the ability to understand business models, functional strategies, organizational dependencies, and the people implications of business decisions.
Demonstrated ability to influence executive decisions, challenge constructively, navigate organizational complexity, and build alignment across senior stakeholders.
Strong analytical capability with demonstrated experience leveraging workforce data, business metrics, and external insights to inform organizational strategy and decision-making.
Strong judgment and executive presence with the ability to navigate highly complex, sensitive, and confidential organizational and employee matters.
Exceptional communication, coaching, facilitation, and stakeholder management skills with the ability to influence effectively across all levels of the organization.
Preferred Qualifications
Experience supporting R&D, Engineering, Quality, Regulatory, or corporate/G&A functions.
Experience within medical device, healthcare, life sciences, technology, or another highly regulated industry.
Experience supporting complex, matrixed, global, or geographically dispersed organizations.
Experience leading significant organizational transformation, integration, restructuring, or operating model changes.
Experience partnering on executive talent, succession, and leadership development strategies.
Experience with HRIS platforms and people analytics tools, such as Workday.
HR certification such as SHRM-SCP, SPHR, or equivalent.
Education
Bachelor’s degree in Human Resources, Business Administration, Organizational Development, or a related field required; advanced degree preferred.
CompensationThe anticipated salary range for this position is $150,000 - $190,000Actual 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 15% annual bonus based on Company, department, and individual performance.
Language 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. Some domestic and international travel may be required based on business needs. 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. Our work is making a measurable difference in the world by saving, extending and improving the lives of people of all ages, in all walks of life
For more than 30 years, our innovative medical technologies and noninvasive patient monitoring solutions have been solving ‘unsolvable’ problems. The result is a portfolio of clinically-proven products that lead the way in innovation, performance and patient safety by giving health care providers the information they need to optimize clinical decision-making.
Masimo is for‘what-ifers’, ‘never-say-never-ers’, and ‘world changers’—people who look beyond what others see. We're looking for people who can, do, and will make a difference.
We think you'll like what you see.