Senior Firmware Engineer - Digital Power Conversion & Control Systems in , us

We empower smarter business operations by connecting equipment, software, and services to protect, control and optimize assets within electrical infrastructures. The business provides customers, across various industries, with end-to-end product and service solutions ensuring the reliability and protection of their electrical infrastructure. We provide the latest industry insights and technology to develop solutions needed to meet customers evolving challenges, including innovative critical power solutions designed for high reliability and performance. Our culture is one of quality and operational excellence fueled and supported by talented people, tools and processes, and expertise.

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The Senior Firmware Engineer will lead the development of embedded firmware and digital control systems for next- DC-DC power conversion platforms used in AI infrastructure, hyperscale data centers, telecom, and advanced computing applications. This role will work closely with the Lead Power Electronics Engineer to develop advanced Intermediate Bus Converter (IBC), multiphase buck, and high-density power architectures.

The ideal candidate has strong experience programming DSPs, microcontrollers, and digital control loops for high-performance power electronics systems. This position requires expertise in real-time embedded systems, digital compensators, communication interfaces, power sequencing, telemetry, and protection algorithms for high-efficiency power supplies operating in demanding environments.

The Senior Firmware Engineer will play a key role in enabling intelligent digital power management, adaptive control, system monitoring, and firmware architectures for future high-density power products.

Digital Power Firmware Development

Develop embedded firmware for digitally controlled power conversion systems including:

Intermediate Bus Converters (IBC)
Multiphase buck converters
Isolated and non-isolated DC-DC converters
GaN and SiC based power architectures

Implement digital control algorithms for voltage, current, and power regulation.
Develop firmware for:

PWM
Current balancing
Soft-start and sequencing
Fault protection
Telemetry and monitoring
Thermal management
Adaptive compensation and optimization

Design and optimize high-speed real-time control loops for high-efficiency power supplies.
DSP and Microcontroller Programming
Program and debug DSPs, ARM microcontrollers, and digital power controllers.
Develop low-level firmware drivers and hardware abstraction layers.
Optimize firmware for deterministic real-time performance.
Support firmware architecture scalability across multiple product platforms.
Work with FPGA or programmable logic interfaces when required.
Communication & System Management
Implement digital communication protocols including:

PMBus
I2C
SPI
UART
CAN
GPIO-based control interfaces

Develop telemetry, configuration, diagnostics, and fault logging features.
Support integration with system-level power management architectures.
Control Systems & Power Electronics Collaboration
Collaborate closely with the Lead Power Electronics Engineer on:

Digital control loop development
Compensation tuning
System stability analysis
Startup and transient optimization
Protection strategies

Assist with hardware bring-up, validation, and debugging of new power products.
Support control algorithm modeling and verification.
Validation & Product Development
Develop automated test and validation firmware tools.
Support lab characterization including:

Efficiency optimization
Dynamic response testing
EMI troubleshooting
Fault validation
Thermal characterization

Participate in prototype debugging and production release activities.
Support reliability and compliance testing activities.
Required Qualifications

Bachelor's or Master's degree in Electrical Engineering, Computer Engineering, or related field.
7+ years of embedded firmware development experience.
Strong experience with digital power conversion systems.
Strong programming experience in:

C
C++
Embedded real-time systems

Experience programming:

TI C2000 DSPs
Microchip dsPIC
STM32
NXP or similar embedded controllers

Strong understanding of:

Switching power supply topologies
Control theory
Digital compensators
PWM architectures
ADC sampling techniques
Power sequencing and protection

Experience with lab equipment including oscilloscopes, analyzers, and power measurement systems.
Experience debugging embedded systems in hardware environments.
Qualifications
Experience with digitally controlled IBC architectures.
Experience with AI server power delivery systems.
Experience with multiphase VRM control.
Knowledge of GaN and SiC power systems.
Familiarity with MATLAB/Simulink or control modeling tools.
Experience with FPGA-assisted control systems.
Experience implementing PMBus telemetry and datacenter power management features.
Familiarity with power integrity and transient response optimization.
Experience supporting high-current low-voltage power architectures.
Desired Skills
Strong analytical and debugging skills.
Ability to work cross-functionally with hardware, magnetics, mechanical, and systems teams.
Strong understanding of embedded architecture for scalable product development.
Ability to work in fast-paced advanced power development environments.
Self-driven with strong ownership mentality.
Strong communication and technical documentation skills.
Typical Applications
AI accelerators
GPU power delivery
Hyperscale datacenter power systems
Telecom infrastructure
High-current low-voltage computing platforms
Advanced distributed power architectures