Principal Engineer, EMC

Job Summary The Principal Engineer, EMC is a senior individual contributor responsible for leading electromagnetic compatibility (EMC) engineering activities across new product development and sustaining programs. This role serves as a subject matter expert providing technical leadership, design guidance, risk mitigation, and compliance expertise to ensure products meet global EMC and safety requirements. The position partners closely with hardware, software, systems, quality, regulatory, and manufacturing teams to influence product design decisions, resolve complex technical challenges, and support successful product commercialization. This role does not have direct people management responsibility but is expected to lead through expertise, collaboration, and technical influence. Please note this is an onsite position at our Irvine, CA. office. Duties & Responsibilities: Serve as the technical lead and subject matter expert for EMC engineering across assigned product portfolios Partner with engineering teams during concept, design, and verification phases to proactively identify and mitigate EMC risks Provide board-level and system-level troubleshooting related to emissions, immunity, grounding, shielding, filtering, and noise susceptibility Plan, perform, and oversee EMC pre-compliance and formal compliance testing Develop EMC test plans, procedures, reports, design requirements, and technical documentation Interpret and apply applicable standards including IEC 60601-1-2, IEC 61000 series, FCC, CISPR, and other global requirements Assess design changes for potential EMC impact and determine re-test or validation requirements Review data and reports from external test laboratories and provide recommendations for remediation or certification readiness Drive technical problem solving for complex compliance issues that may impact project timelines or regulatory approvals Mentor engineers and cross-functional teams on EMC design best practices and lessons learned Recommend improvements to internal lab capabilities, processes, tools, and engineering standards Support regulatory submissions, audits, investigations, and sustaining engineering needs related to EMC performance Minimum Qualifications Deep technical expertise in EMC principles, testing methodologies, and mitigation techniques Experience troubleshooting complex electronic systems at board and system levels Strong understanding of analog/digital circuitry, PCB layout, grounding, shielding, and filtering concepts Experience guiding products through the full EMC compliance lifecycle from design through certification Proficiency using laboratory instrumentation such as oscilloscopes, spectrum analyzers, network analyzers, receivers, and related equipment Ability to read and interpret schematics, layouts, and technical drawings Strong analytical, written, and verbal communication skills Demonstrated ability to lead cross-functional initiatives through technical expertise and influence Preferred Qualifications Experience within medical device or other regulated product environments Knowledge of IEC 60601 family standards and related healthcare product regulations Experience supporting international certifications and global market approvals Prior mentorship of engineers or leadership of complex technical projects Familiarity with design controls, risk management, and product development lifecycle processes Education Bachelor's degree in Electrical Engineering, Electronics Engineering, Engineering Physics, or related technical discipline required. Advanced 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 salary range for this position is $150,000 - $200k plus benefits. Actual placement within this 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. 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.