Junior Embedded Software Engineer - Secure IoT Firmware

Job Title

Junior Embedded Software Engineer - Secure IoT Firmware (m/f/d)

Role Summary

Work on firmware for secure device provisioning, trusted execution, and over-the-air updates on Arm Cortex-M microcontrollers for connected IoT devices. The role sits on an embedded security team focused on device lifecycle, secure key provisioning, and integration with backend device-management microservices.

This position involves security-sensitive tasks and may require adherence to security certification processes; a careful and reliable working style is required.

Experience Level

Entry-level / Junior. Suitable for candidates early in their career; no explicit years-of-experience stated.

Responsibilities

Main engineering responsibilities:

• Develop and test provisioning firmware to securely bind devices to OEMs at manufacturing sites (RTP provisioning).
• Implement and validate a security framework for trusted execution on Arm Cortex-M MCUs, including core components and example applications.
• Build and test secure key provisioning applications running on FreeRTOS and Zephyr RTOS.
• Develop and maintain OTA firmware update flows for connected devices.
• Manage distribution and release of embedded software through multiple distribution portals.
• Contribute to architecture and design of secure device management solutions.
• Collaborate with backend teams on microservices responsible for device abstraction and integration.

Requirements

Must-have technical skills and traits; nice-to-have items listed separately.

• Strong C programming skills.
• Solid understanding of 32-bit microcontroller architectures and embedded software design.
• Exposure to embedded software verification methodologies (unit testing, integration testing).
• Comfortable learning new tools, standards, and protocols quickly; reliable and detail-oriented, particularly for security tasks.

Nice to have:

• Assembler experience.
• Knowledge of embedded security concepts: cryptographic algorithms, Arm TrustZone, secure boot.
• Scripting experience in Python or Groovy for build/test automation.
• Object-oriented programming experience in Java (useful for backend collaboration).
• Experience with RTOS environments such as FreeRTOS and Zephyr.

Education Requirements

University degree in Software Engineering, Computer Science, Electrical Engineering, or a related field.

About the Company

Company: NXP Semiconductors

Headquarters: Nijmegen, Netherlands

NXP Semiconductors N.V. is a global semiconductor company that provides High Performance Mixed Signal and Standard Product solutions. With over 45,000 employees and operations in more than 35 countries, NXP is a leader in secure connectivity solutions for embedded applications, catering to automotive, industrial IoT, mobile, and communication infrastructure markets. The company is committed to innovation and sustainability, advancing a smarter, safer, and more sustainable world through technology.