Senior Electronics Engineering

Sr Engineer II, Electronics
The Sr Engineer II, Electronics is responsible for the design, development, verification, and support of electronic hardware used in Masimo's medical device products. This role provides strong technical contribution across the hardware development lifecycle, including circuit design, board-level implementation, verification, troubleshooting, and sustaining engineering. Working closely with cross-functional teams, this engineer independently executes complex technical assignments, supports product development activities, and contributes to product performance, reliability, and compliance objectives.
This is an onsite position at our Irvine, CA office.
Design and develop analog and digital electronic circuits for medical device applications
Support hardware development activities across the engineering lifecycle, including schematic design, implementation, verification, and sustaining engineering
Perform circuit board and flex cable design activities, including schematic entry and collaboration with PCB layout teams
Develop, document, execute, and analyze board-level and system-level verification test plans
Perform electrical design calculations, tolerance analysis, and technical performance evaluations
Troubleshoot electrical issues at component, board, and system levels and support root cause analysis investigations
Support development of system and board-level requirements for assigned projects
Evaluate, select, and support qualification of electronic components and custom assemblies such as displays, touch panels, batteries, and related subsystems
Collaborate with software, mechanical, systems, manufacturing, and quality engineering teams to integrate hardware solutions into finished products
Participate in design reviews and contribute technical input during major project milestones
Manage assigned technical tasks, deliverables, and timelines within project scope.
Contribute to continuous improvement efforts related to design quality, reliability, manufacturability, and engineering efficiency
6-8 years of progressive experience in electronics design, development, and troubleshooting

• Strong experience in analog and digital circuit design
• Strong troubleshooting skills using standard electronic lab instrumentation such as oscilloscopes, logic analyzers, and multimeters
• Experience supporting embedded systems and firmware interaction during board bring-up and testing
• Familiarity with full product development lifecycle from concept through production
• Proficiency with Microsoft Office tools

Experience designing within medical device or other regulated product development environments
Familiarity with IEC 60601-1 and related regulatory or compliance standards
Experience supporting EMC/EMI design, testing, and troubleshooting
Experience with electrical simulation tools such as PSPICE, Multisim, or equivalent
Programming experience in C for embedded systems support
Familiarity with Matlab or similar engineering analysis tools
Exposure to embedded Linux environments
Bachelor's degree in Electrical Engineering or related technical discipline required; 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
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, Café. Daily use of a computer and other computing and digital devices is required. May stand for extended periods when facilitating meetings or walking in the facilities.
Reasonable accommodation may be made for those individuals with real or perceived disabilities to perform the essential functions of the job described.