Staff/Sr. Staff Engineer, Embedded Firmware

Innophaseiot; San Diego (CA); On-site; USD 100,000 - 130,000; Full time

Job summary

Innophaseiot in San Diego is looking for a Staff/Senior Staff Firmware Engineer to develop embedded firmware and device drivers for next-generation IoT devices. The ideal candidate should have 5-10 years of experience in embedded firmware development and strong proficiency in C/C++. Experience with TrustZone and secure firmware partitioning is essential.

The role offers the chance to work within a collaborative team, focusing on developing robust firmware while ensuring security and performance. Candidates will benefit from a dynamic work environment that nurtures learning and skill enhancement.

Qualifications

• 5 - 10 years of experience in embedded firmware development for IoT or embedded systems.
• Strong problem-solving skills and attention to detail.
• Familiarity with RTOS environments (e.g., FreeRTOS, Zephyr).

Responsibilities

• Design and develop embedded firmware for IoT devices targeting ARM Cortex-M microcontrollers.
• Implement and optimize low-level drivers and integrate with hardware abstraction layers (HAL).
• Collaborate with cross-functional teams to define and implement firmware features.

Skills

Embedded firmware development

C/C++ proficiency

Security-focused design

Low-level driver development

SDK-based development

Education

Bachelor's or master's degree in electrical engineering, Computer Engineering, or related field

Tools

J-Link

Oscilloscope

Logic analyzers

Job description

About InnoPhase IoT

If you are keen to work with a bunch of brilliant people with various backgrounds, if you share the same value of working smart and celebrating successes, if you have enthusiasm for big technology in a small company, if your goals are to learn and experience different aspects of work--not just singing the same song every day, you’ll find your playground at Innophase IoT.

We’re seeking a Staff/Senior Staff Firmware Engineer to join our collaborative team in developing robust and reliable firmware for next-generation IoT devices. In this role, you will develop firmware, device drivers and support system integration efforts for ULP IoT solution, focusing on performance, reliability, and maintainability. Experience with TrustZone and Trusted Firmware-M (TF-M) is required.

Key Responsibilities:

• Design and develop embedded firmware for IoT devices, targeting ARM Cortex-M micro controllers
• Experience with ARM TrustZone and Trusted Firmware-M (TF-M) for secure firmware partitioning desired
• 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

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