Turner Imaging Systems develops innovative medical X-ray imaging devices that improve patient outcomes, expand healthcare access, and drive efficiency. We were awarded the Silver Medal by the 2022 Medical Design Excellence Awards and named Winner of the 2019 Utah Innovation Award for the Smart-C Portable X-ray Imaging System. See turnerxray.com and 3dteeth.com for examples of the amazing products developed by our team. Our company is rapidly growing with generous benefits and compensation.
We are growing our cross-functional engineering team to tackle our next big project, a portable whole-body x-ray imaging system for use in remote locations. Specifically, we need a versatile and motivated Electrical Engineer specializing in switching power supplies to design, build, and optimize high-voltage power supply systems. The ideal candidate will have a strong background in high frequency power electronics, with an emphasis on high-efficiency designs for medical, industrial, or commercial applications. If you share our values of passion, teamwork, customer commitment, integrity, and quality; and, you appreciate the opportunity to make an impact in the world by changing the way healthcare is delivered, this is the role for you.
Role/Responsibilities
- Reports to VP Engineering
- Interface with potential users and outside experts to gather information, understand the product use case, then conceptualize and evaluate potential product solutions
- Designs and develops electrical and computer systems for innovative medical imaging products.
- Engage in all phases of product development, including problem definition, concept, requirement specification, risk analysis, design, prototype, test, failure analysis, and sustaining engineering
- Develop and maintain detailed documentation, including electrical schematics, specifications, test plans, and reports
- Collaborate with mechanical, software, and manufacturing engineering to ensure seamless integration of electrical systems into the overall product design
- Work with cross-functional engineering team to establish priorities, tasks, and timelines for sustaining engineering and new product development activities
- Regular reporting on engineering activities and progress
- Engage with suppliers to find solutions to design problems
- Perform work and document in accordance with internal operating procedures in compliance with ISO 13485
- Identify, generate, and document potential intellectual property opportunities
Qualifications and Skills
- BS Electrical Engineering or similar degree with 5+ years relevant experience
- MS Electrical Engineering or similar degree with 2+ years relevant experience.
- Preferred: Experience with medical product development
- Self-motivated and creative problem solver when presented with conflicting requirements, business demands and technical risks/issues
Design and development knowledge and skills that include:
- Power Electronics Knowledge: MOSFETs, IGBTs, diodes, inductors, and DC-DC converters (buck, boost, buck-boost, SEPIC, flyback, forward, etc.)
- Magnetics Design Experience: inductors and transformers for power supplies including knowledge of core materials, winding techniques, and loss calculation
- Control Theory: control loop design (PID, voltage mode control, current mode control), feedback systems, loop stability, and compensation networks
- Thermal Management: thermal analysis and design for effective heat dissipation, selection of heatsinks, cooling mechanisms, and layout optimization for thermal performance
- PCB Layout for Power Systems: layout design for minimizing parasitics (such as inductance and resistance) and ensuring good current flow, grounding techniques (e.g., single-point vs. multi-point grounding), component placement to minimize EMI
- EMI/EMC Considerations: Understanding EMI/EMC mitigation techniques (shielding, filtering, layout optimization)
- Component Selection: based on efficiency, reliability, cost, size, and performance characteristics under various conditions
- Simulation Tools: Proficient with simulation tools like SPICE, LTspice, or PLECS for circuit verification and familiarity with power supply design software, such as Texas Instruments’ WEBENCH or other vendor-specific tools
- Efficiency Optimization: synchronous rectification, soft-switching techniques, and low-loss components for high efficiency across different load conditions
- Power Supply Protection Design: overvoltage, overcurrent, thermal protection, soft start, inrush current limiting, and short-circuit protection circuits
- Regulatory and Safety Standards: Familiarity with industry standards like IEC, UL, or ISO for isolation requirements and creepage and clearance
- Testing: oscilloscopes, spectrum analyzers, load testers, and other lab equipment for testing; including thermal, EMI, and stress testing
- Firmware Development: microcontroller-based power supply control and digital power supply algorithms (e.g., digital PID)
- Analytical Skills: loss, efficiency, and other critical design calculations of transient and steady-state analysis of power circuits
- Prototyping: Design, build, and test prototypes for rapid verification and validation of designs