Principal Electrical Engineer
Job DescriptionPosition SummaryThe Principal Electrical Engineer - Power Electronics will lead the design and development of
low-cost, high-efficiency coil driver amplifiers for distributed motion control architectures.
This position focuses on
current-controlled power electronics systems used to drive large arrays of electromagnetic actuators. The system architecture includes
FPGA-based current loop control, PWM generation, and EtherCAT distributed communication networks.
The role will directly contribute to the development of a
scalable distributed coil control platform, supporting applications such as levitation systems and next-generation robotic actuation platforms.
Key ResponsibilitiesPower Electronics Design- Design and develop coil driver amplifiers using half-bridge and H-bridge topologies
- Support systems operating at DC bus voltages up to 200V
- 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
Current Control System Development- 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
Key Competencies- Strong analytical and problem-solving skills
- Ability to lead complex hardware development efforts
- Cross-functional collaboration across electrical, controls, and system engineering
- Hands-on troubleshooting and debugging capability
Success Criteria- Demonstrated stable current control across multi-coil systems
- Achievement of target cost per driver module
- Reduced noise and improved current feedback performance
- Successful hardware validation and scalability demonstration
CompensationBase Salary Range: $132,456.81 USD to $179,206.28 USD
Factors which may affect starting pay within this range may include geography/market, skills, education, experience and other qualifications of the successful candidate.
This position is also eligible for an annual discretionary bonus.
BenefitsAt Brooks, we offer the following benefits for this position, subject to applicable eligibility requirements:
- Medical, Dental, Vision and Disability Insurance
- 401(k) Plan
- Exempt employees are provided company paid holidays and Flexible Vacation to enjoy personal time off and incidental sickness.
Have a question about our benefits and compensation package? Your recruiter can share more with you during the hiring process.
Work Location & FlexibilityAt Brooks, we aim to foster a collaborative and engaging environment while offering flexibility where possible. Work arrangements may include a mix of in-office and remote work, depending on the nature of the role and business needs. Specific expectations will be shared during the interview process.
