Principal Electrical Engineer

Key Responsibilities

• Design and develop coil driver amplifiers using half-bridge and H-bridge topologies
• Optimize for efficiency, cost, and reliability in high-volume applications
• Address observed prototype issues including: PCB reliability and component failures, noise in current feedback loops, interconnect robustness and serviceability
• Develop and optimize closed-loop current control systems, including: Precision current sensing (shunt + amplifier), PI/PID control loops, low-latency feedback control
• Ensure stable operation across: Wide variation in coil inductance, Large numbers of independently controlled coils
• FPGA and Digital Control Integration: Implement or co-develop: Current loop control algorithms on FPGA platforms, High-performance PWM generation, Interface with multi-channel control architectures using: Parallel or synchronous SPI communication
• Distributed System Architecture: Develop driver modules operating within a distributed EtherCAT control network, Support scalable architectures capable of controlling: Tens to hundreds of actuators per subsystem, Collaborate with system teams on partitioning control between: Central controllers and distributed driver nodes
• Hardware Development and Validation: Select and design: MOSFETs, gate drivers, and current sensing circuits, Protection and filtering circuitry (snubbers, transient suppression), Lead PCB-level implementation including layout guidance for: High-current switching paths, Noise-sensitive analog measurement circuits, Define and execute design verification testing (DVT)
• Cost and Reliability Optimization: Design to meet aggressive cost targets: Drive design trade-offs balancing: Performance, Manufacturability, Scalability, Improve system KPIs including: Standby power consumption, Thermal efficiency, Mean time between failures (MTBF)

Required Qualifications

• Bachelor’s or Master’s degree in Electrical Engineering
• Minimum 8 years of experience in power electronics design
• Strong expertise in: MOSFET-based power stages (half/full bridge), Medium voltage DC systems (up to ~200V)
• Hands-on experience with: Current sensing techniques (shunt, differential amplifiers), Control loop design (PI/PID)
• Experience designing systems for: EMI/EMC robustness, Thermal performance, Reliability and failure analysis

Preferred Qualifications

• Experience with FPGA-based control systems (e.g., Lattice, Xilinx, Zynq)
• Familiarity with: EtherCAT or distributed real-time control networks
• Experience with: Motor drives (BLDC, SRM), Electromagnetic or multi-coil actuator systems
• Experience in: High-channel-count control systems, Real-time embedded control architectures