Senior Embedded Firmware Security Engineer (m/w/d)
Elatec GmbH2 days ago
Puchheim, GermanySenior
Responsibilities
- Develop and debug embedded firmware in C/C++ for ARM Cortex-M33 platforms, including HAL, drivers, middleware, and peripheral integration.
- Lead embedded device security as the Subject Matter Lead, including secure boot/SafeBoot, root of trust, key storage, PKI, key management, and secure-element integration.
- Configure and integrate Zephyr RTOS on target microcontrollers using Kconfig and West.
- Develop and maintain security concepts, requirements, threat models, design reviews, security assessments, and penetration-test coordination.
- Document security-related architecture decisions and create interface and module specifications for the engineering team.
- Define embedded architecture and security best practices across the product portfolio.
- Transfer security knowledge, coach colleagues, and collaborate with product management, hardware engineering, and external security partners.
Requirements
- A completed degree in computer science, electrical engineering, or a comparable qualification, or equivalent demonstrated professional experience.
- At least 8 years of practical embedded-development experience with C/C++ on ARM microcontrollers.
- Deep understanding of the ARM Cortex-M33 platform and its security mechanisms.
- Expert knowledge and practical experience with Secure Boot/SafeBoot, root of trust, PKI, key management, and secure elements.
- Required practical experience with TrustZone, TF-M, or PSA on Cortex-M33.
- Strong practical experience with Zephyr RTOS, including configuration, drivers, Kconfig, and West.
- Experience with threat modeling, security reviews, vulnerability-management or hardening processes, and secure development lifecycle practices.
- Very good English and conversational German communication skills.
- Preferred experience with OTA updates, rollback mechanisms, HSM/TPM, GitLab CI, Azure DevOps, Docker-based build environments, or static analysis tools.
Benefits
- 30 vacation days.
- €300 health budget.
- 30% employer contribution to the company pension scheme.
- Company events and additional benefits.
- Technical key role with direct influence on product decisions and close collaboration with hardware engineering and product management.
- Opportunities for professional and personal development within an international technology group.
- Hands-on access to current RFID reader platforms, evaluation boards, secure elements, and HSM hardware.
- AI-supported workplace with tools such as Claude Code.
- Application requires only a CV; a cover letter is not required.
About Elatec GmbH
Elatec GmbH builds multi-technology RFID/NFC readers and mobile authentication solutions used for physical and digital access control across printers, kiosks, EV chargers, lockers, and more. It sells hardware, firmware/SDKs, and configuration services to OEMs, system integrators, and enterprises worldwide. Founded in 1988 and headquartered in Puchheim, Germany, Elatec is part of Allegion plc.