
Senior Embedded Firmware Security Engineer (m/w/d)
Elatec GmbH2 days ago
Puchheim, GermanySenior
Responsibilities
- Implement and debug embedded firmware in C/C++ for ARM Cortex-M33 platforms, including HAL, drivers, middleware, and peripheral integration.
- Design and implement Secure Boot/SafeBoot, Root of Trust, key storage, PKI, and Secure Element integrations.
- Configure and integrate Zephyr RTOS using Kconfig and West on target MCUs.
- Develop and maintain threat models, security requirements, security designs, architecture documentation, and module/interface descriptions.
- Coordinate security assessments and penetration tests and help establish vulnerability-management and Secure Development Lifecycle processes.
- Provide embedded-security expertise through design reviews, coaching, and collaboration with hardware development and product management.
Requirements
- Completed degree in computer science, electrical engineering, or a comparable qualification, or equivalent documented professional experience.
- At least 8 years of practical embedded-development experience with C/C++ on ARM microcontrollers and deep knowledge of ARM Cortex-M33 security mechanisms.
- Expert knowledge and practical experience with Secure Boot/SafeBoot, Root of Trust, PKI, key management, and Secure Elements.
- Practical experience with TrustZone, TF-M, or PSA on Cortex-M33 is required.
- Strong practical experience with Zephyr RTOS, including configuration, drivers, Kconfig, and West.
- Experience with threat modeling, security reviews, and developing security-hardening or vulnerability-management processes across an SDLC.
- Very good English and conversational German skills, with a structured, independent working style and strong security awareness.
- Preferred experience includes OTA updates, rollback mechanisms, HSM/TPM, GitLab CI, Azure DevOps, Docker-based build environments, and static-analysis tools.
Benefits
- 30 vacation days.
- €300 health budget.
- 30% employer contribution to company pension provision.
- Company events and additional benefits.
- Technical key role with direct influence on product decisions and close collaboration with hardware engineering, product management, and external security partners.
- Hands-on access to RFID-reader platforms, evaluation boards, Secure Elements, and HSM hardware.
- Professional and personal development opportunities within an international technology group.
- The posting states that only a CV is required and no cover letter is necessary.
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.