Senior Human Resources Generalist

Job DescriptionThe Senior Human Resources Generalist supports HR Business Partners in delivering a full range of HR services within Masimo's dynamic environment. This position plays a critical role in executing and enhancing core HR processes across the employee lifecycle, including employee relations, organizational changes, performance management, engagement initiatives, training, and compliance with employment laws.Acting as a trusted resource to employees and managers, the Senior HR Generalist independently manages employee relations matters and provides guidance on day-to-day HR issues, while partnering closely with HR Business Partners on more complex or strategic initiatives. This role operates with a high level of autonomy within defined scope and serves as a key extension of HR Business Partners in managing day-to-day people matters.Please note this is an onsite position at our Irvine, CA office.Duties & ResponsibilitiesSupport HR Business Partners in delivering HR services across assigned client groupsServe as a primary point of contact for employees and managers, providing guidance on HR policies, procedures, and day-to-day HR mattersIndependently manage employee relations matters, including investigations, performance concerns, corrective actions, and involuntary separations; assess risk, recommend appropriate action, and escalate higher-risk situations as appropriateCoach and influence managers on employee matters, including performance management, feedback, documentation, and policy applicationExecute onboarding and offboarding processes, ensuring a compliant, efficient, and positive employee experienceManage employee lifecycle changes (e.g., promotions, transfers, organizational updates, compensation changes) with a high level of accuracy and judgmentEnsure compliance with federal, state (California), and local employment laws and company policies; independently manage workplace accommodations and the interactive process; proactively identify and escalate potential risksPartner cross-functionally with Payroll, Talent Acquisition, Legal, and other teams to ensure aligned and efficient HR operationsSupport and drive execution of HR programs, including performance management, engagement initiatives, and training effortsTrack and analyze trends in employee relations, turnover, and other HR metrics; provide actionable insights and recommendations to HRBPsIdentify and lead process improvements to enhance efficiency, scalability, and employee experienceSupport HR audits, documentation, and maintenance of employee records to ensure complianceManage unemployment (EDD) claims and workers' compensation cases, including follow-up and resolutionDevelop and distribute HR communications, tools, and resources for employees and managersLead or contribute to HR projects and initiatives, driving execution and outcomesExercise sound judgment in interpreting policies and making recommendations with minimal oversightMinimum & Preferred Qualifications and ExperienceMinimum Qualifications5–8+ years of progressive Human Resources experienceStrong employee relations experience, including independently managing investigations and workplace issuesDemonstrated ability to coach and influence managersSolid knowledge of California employment law and HR best practicesAbility to operate with a high level of autonomy while effectively partnering with HR Business PartnersStrong organizational skills with the ability to manage multiple prioritiesStrong HRIS proficiency (e.g., Workday, Oracle), including transactions, reporting, data audits, and workforce analytics support.Proficiency in Microsoft Office Suite (Excel, Word, Outlook, PowerPoint)Excellent interpersonal and communication skillsPreferred Qualifications:Experience in medical device, healthcare, or a regulated industryExperience leading HR projects or process improvement initiativesHR certification (PHR/SPHR or SHRM-CP/SCP)EducationBachelor's degree in Human Resources, Business Administration, or related field required.Language RequirementsAbility to read, write, and communicate effectively in English.Ability to draft clear business correspondence, policies, and employer communications.Ability to facilitate professional conversations with employees, managers, and cross-functional partners.Compensation: The anticipated salary range for this position is $88,000 - $108,000 plus benefits. 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, and cafe. All benefits are subject to eligibility requirements.Physical Requirements/Work EnvironmentThis 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.