Staff/Sr. Staff Engineer, Embedded Firmware

InnoPhase IoT • San Diego, CA

6d

About The Position

InnoPhase IoT is seeking a Staff/Senior Staff Firmware Engineer to join their collaborative team in developing robust and reliable firmware for next-generation IoT devices. The role involves developing firmware, device drivers, and supporting system integration efforts for ULP IoT solutions, with a focus on performance, reliability, and maintainability. Experience with TrustZone and Trusted Firmware-M (TF-M) is required. The company emphasizes working smart, celebrating successes, and providing opportunities for learning and growth in a dynamic environment.

Requirements

• Bachelor’s or master’s degree in electrical engineering, Computer Engineering, or a related field
• 5 - 10 years of experience in embedded firmware development for IoT or embedded systems
• Background or experience in security-related technologies (e.g., cryptography, secure coding practices, cybersecurity)
• Strong proficiency in C/C++ and low-level driver development
• Familiarity with working on SDK-based development
• Familiarity with RTOS environments (e.g., FreeRTOS, Zephyr)
• Hands-on experience with hardware bring-up and debugging tools
• Excellent communication and collaboration skills
• Strong problem-solving skills and attention to detail
• Willingness to learn and contribute to a team-focused environment

Nice To Haves

• Experience with ARM TrustZone and Trusted Firmware-M (TF-M) for secure firmware partitioning

Responsibilities

• Design and develop embedded firmware for IoT devices, targeting ARM Cortex-M micro controllers
• Implement and optimize low-level drivers and integrate with hardware abstraction layers (HAL)
• Develop secure boot and firmware update mechanisms, ensuring robust and reliable device operation
• Collaborate with cross-functional teams (hardware, software, security) to define and implement firmware features
• Debug, test, and validate firmware on target hardware, using J-Link, Oscilloscope and logic analyzers
• Contribute to documentation of firmware architecture, design decisions, and implementation details
• Security-focused system design, secure boot, and trusted execution environments
• Memory partitioning and isolation in ARM Cortex-M micro controllers
• Secure OTA updates and lifecycle management for IoT devices

What This Job Offers

• Job Type: Full-time
• Career Level: Senior