Power Electronics Design Engineer

• Lead or mentor design and development of electrical components, sub-systems, and/or systems for medical devices.
• Apply and mentor others on advanced engineering theories, principles, and concepts.
• Conduct, design, and select advanced prototyping and testing.
• Lead and guide in correction of complex product design issues.
• Conduct technology exploration and influence application in the business.
• Translate user needs to design inputs/ specifications and produce complex system level designs independently.
• Develop a number of invention disclosures, patents or trade secrets.
• Independently make design tradeoff decisions while designing multiple components of the system.
• Lead the Design and Implementation of High Energy Electrical Sub Systems for Patient- Connected Medical Devices,
• Translate clinical and system-level needs into electrical requirements, specifications and architectures.

• Contribute to competitive and market strategy by demonstrating in-depth knowledge of the market, customer dynamics and competitive offerings.
• Apply strong understanding of clinical procedures to enhance product development.
• Contribute to and execute customer facing activities like voice of customer and customer centric design in partnership with internal and external stakeholders.
• Demonstrates financial acumen.

• Mentor others as a business unit expert on the usage of industry standards, including design requirements and test strategies per applicable regulations.
• Lead others to create and refine engineering documentation, such as the Design History file and creates more progressive technical content.
• Contribute to R&D procedures and development of industry standards working closely with cross-functional business units.

• Work cooperatively with R&D, Quality, Manufacturing, Regulatory, Clinical, Marketing and Project Management to ensure project success, both leading and influencing other leaders on the team.
• Identify and lead the creation of or improvements to procedures, policies, processes, systems, and technology required.
• Execute and lead segments of complex product development to advance projects through the design /development/launch process.
• Contribute to complex product development through release and lead one technical area of expertise.
• Hold self and others accountable to deliver high quality results with passion, energy and drive to meet business priorities.
• Mentor, develop and inspire others in current and future roles.

• Ability to lead or teach electrical engineers in electrical design.
• Advanced understanding of the design of complex components and sub-systems.
• Ability to apply advanced circuit and electrical system test methods.
• Advanced understanding of manufacturing and testing methods.
• Ability to apply standard technologies used in industry.
• Ability to perform complex electrical stackups.
• Advanced understanding of statistical methods.
• Advanced knowledge of sub-system, system, and environmental interactions.

• Understands the advanced theory and methods of Power Electronics and Energy Delivery, RF, Electromagnetics, Measurement Sensing and Control Interfaces, Standards & Control theory and can lead teams in its application while demonstrating:
• Direct, hands-on experience designing custom magnetics, including high-frequency isolation transformers

• Deep, in-depth power electronics design expertise, Experience with resonant and quasi-resonant topologies (e.g. Class D, E, F, LLC or related)
• Experience designing HV DC/DC converters
• Experience with power amplifier design for high-energy delivery into non-linear loads
• Design experience involving kV-range peak voltages, high crest factors, and dynamic loading
• Experience operating in the kHz to low-MHz frequency domain (explicitly not GHz wireless or antenna systems)

• Proficiency in the design and analysis of RF circuits including simulation and EMI/EMC
• Ability to use network analyzers and other test and measurement equipment to characterize performance and troubleshoot issues
• Ability to guide printed-circuit and cable design in order to meet RF performance criteria
• Understanding of various RF protocol communication standards (e.g. ISO 15693, etc.)

• Knowledge of electromagnetic compatibility (EMC) requirements from internationally recognized standards
• Ability work closely with software, mechanical, and electrical engineering disciplines to implement EMC best practices and execute testing at internal/external labs
• Understanding of parasitic effects within systems, cables, and PCB designs, including resulting system effects
• Expertise in Electromagnetic energy control concepts, including impedance control methodologies, EM energy control concepts, and current control concepts
• Understanding of wavelength calculations, Fourier analysis of waveforms, shielding mechanisms, and conducted, radiated, capacitive, and inductive coupling mechanisms

• Experience designing circuits in environments with high dv/dt and high common-mode noise
• Ability to define clean electrical interfaces and constraints for embedded software, DSP, or FPGA-based control systems

• Understanding of the regulatory requirements of standards and their applicability and the interaction of standards with risk management
• Proficiency in reading standards correctly (scope, transition periods, use of Parts 1 and 2 of standards series), and understanding of the interplay between standards
• Knowledge of use terms (e.g. normal condition, essential performance, MOOP, MOPP, PEMS, PESS), and ability to create insulation diagrams
• Ability to conduct standard testing, analyze results, root cause issues; and provide cost-effective, manufacturable design recommendations

• Expertise in time domain and frequency domain analysis techniques to characterize, analyze, and optimize system performance and accuracy
• Proficiency in MATLAB/Simulink (or equivalent) to create dynamic models of physical systems and simulate them
• Ability to conceptualize, develop, optimize, and integrate new algorithms for monitoring and controlling complex electromechanical systems
• Understanding of design and tuning techniques for PID controllers and other topologies (e.g., state space controllers, Kalman filters, observers)

• Bachelor's degree in EE or related discipline & 6+ years of work experience

Stryker