Embedded Linux Engineer - Helsinki, Uusimaa

Job summary

Embedded Linux Engineer for Sensofusion building Airfence: C-UAS solutions protecting critical infrastructure and government customers from rogue drones.

Responsibilities

• Build, maintain, and harden Embedded Linux images (Buildroot/Yocto/Debian/Ubuntu) for our devices.
• Work close to the metal: debug kernel issues, read traces, and when needed port or adapt kernel drivers to new architectures.
• Implement services and daemons in C/C++ and Python, including device management, telemetry, diagnostics, and update tooling.
• Own cross-compilation toolchains (gcc/clang), packaging (e.g., apt), and CI/CD integration for reproducible builds.
• Drive security & safety hardening: SBOMs, secure boot/TPM where applicable, least-privilege service design, and threat-model-informed mitigations.
• Contribute to embedded QA best practices: unit/integration tests, hardware-in-the-loop, and automated regression suites.
• Bring up software on multiple CPU architectures (ARM/x86_64, others as needed) and collaborate with electronics & systems teams.

Qualifications

• Strong background with Embedded Linux systems.
• Linux kernel & system tools; ability to debug a kernel driver or port it to another architecture is a clear plus.
• Build systems: Buildroot, Yocto, and mainstream distros (Ubuntu/Debian, apt).
• Programming: C/C++ and Python (at least medium level in both).
• Compilers: gcc and clang (cross & native).
• Understanding of security and safety in embedded solutions.
• Best practices of embedded software development and QA.

Desired requirements

• Good if you have experience on Microcontrollers & electronics (basic understanding).

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