Zephyr Security Engineer - Secure RTOS & Trusted Execution

ac6-formation; France; On-site; EUR 60,000 - 80,000; Full time

Job summary

AC6 is seeking a Zephyr Security Engineer who will design secure real-time systems using Zephyr and implement security protocols like authentication and encryption. Candidates should have over 5 years of experience in embedded systems security and advanced knowledge in Zephyr RTOS security.

Join a pioneering team where you'll work on critical embedded security projects and help improve security standards in Zephyr RTOS ecosystems.

Qualifications

• 5+ years expertise in embedded systems security and RTOS.
• Advanced skills in Zephyr RTOS security or secure RTOS (FreeRTOS, QNX).
• Strong knowledge of embedded cryptography and secure boot.

Responsibilities

• Design secure real-time systems with Zephyr and Trusted Execution Environment.
• Implement Zephyr RTOS security: authentication, encryption, attestation.
• Integrate embedded cryptography in Zephyr RTOS applications.

Skills

Embedded systems security

Zephyr RTOS security

Trusted Execution Environment

Embedded cryptography

IoT security

Job description

AC6 is seeking a Zephyr Security Engineer expert in securing real‑time systems with Zephyr RTOS.

Your missions:

• Design secure real‑time systems with Zephyr and Trusted Execution Environment
• Implement Zephyr RTOS security: authentication, encryption, attestation
• Master Zephyr security layers: kernel security, memory protection, secure boot
• Integrate embedded cryptography in Zephyr RTOS applications
• Ensure Zephyr RTOS hardening on secure architectures (ARM TrustZone, etc)
• Train on Zephyr Security best practices and secure architecture
• Evaluate security risks in real‑time RTOS projects

Required profile:

• 5+ years expertise in embedded systems security and RTOS
• Advanced skills in Zephyr RTOS security or secure RTOS (FreeRTOS, QNX)
• Mastery of Trusted Execution Environment (ARM TrustZone, M‑class TEE)
• Strong knowledge of embedded cryptography and secure boot
• Experience in IoT security and critical real‑time systems
• Ability to train and advise on secure Zephyr architecture

Why AC6:

AC6 is a pioneer in Zephyr Security and secure real‑time systems. You'll work on the most sensitive embedded security projects and help raise security standards in Zephyr RTOS ecosystems.