Senior Embedded Firmware Engineer - Power & PMBus

Highbrow LLC; Dallas (TX); On-site; USD 120,000 - 160,000; Full time

Job summary

Highbrow LLC is seeking a Senior Embedded Firmware Engineer in Dallas, TX to join the hardware-focused team. The role emphasizes developing PMBus/I2C-based control and telemetry, and working closely with power electronics and mission-critical systems engineering.

The candidate will own firmware from design through verification, implement automated unit tests, and ensure compliance with MISRA C:2023 standards. On-site presence is required for collaboration and testing.

Qualifications

• 7+ years of embedded firmware development experience.
• 3+ years of hands-on bare-metal C development.
• Experience with MISRA C and static-analysis tools.
• Experience with PMBus/SMBus and power-management firmware.
• Experience with firmware for mission-critical or safety-critical systems.
• Experience with debugging firmware on target hardware.

Responsibilities

• Develop and maintain PMBus/I2C-based command, control, configuration, and telemetry functionality.
• Work with MCU peripherals (GPIO, ADCs, timers, interrupts, etc.) on power-conversion hardware.
• Analyze firmware interaction with power-conversion hardware and sensors/interfaces.
• Support bring-up, debugging, characterization, and verification on PSC hardware.
• Develop automated unit tests, test harnesses, mocks, and stubs for firmware modules.
• Follow Test-Driven Development (TDD) practices for new functionality and firmware changes.
• Perform regression testing after firmware changes and defect fixes.
• Perform static analysis and resolve findings to MISRA C:2023 as applicable.
• Support hardware-in-the-loop and system-level testing.
• Analyze fault conditions and support fault-injection testing where applicable.
• Participate in requirements analysis, architecture reviews, and customer discussions.
• Contribute to firmware documentation and verification evidence.
• Maintain source code, unit tests, build artifacts under Git.

Skills

Embedded firmware

C programming

Hardware debugging

TDD

Power electronics

MISRA C

Unit testing

Git

Tools

PMBus/SMBus

Static analysis tools

Power analyzers

Lab equipment

Job description

Highbrow LLC is seeking a Senior Embedded Firmware Engineer in Dallas, TX to join the hardware-focused team. The role emphasizes developing PMBus/I2C-based control and telemetry, and working closely with power electronics and mission-critical systems engineering.

The candidate will own firmware from design through verification, implement automated unit tests, and ensure compliance with MISRA C:2023 standards. On-site presence is required for collaboration and testing.