We are seeking an experienced Firmware Security Engineer with strong expertise in embedded firmware development, security, networking, and Linux-based systems. The adecuado candidate will design, develop, test, and integrate secure firmware components for embedded devices while working closely with cross-functional engineering teams. Experience with C/C++, Python, Embedded Linux, security protocols, networking, debugging tools, and firmware validation is highly preferred. Key Requirements Strong experience in Embedded Firmware Development and Software Engineering. Hands-on experience with C, C++ (11/14), Python, and TCL programming languages. Experience with concurrent programming, multithreaded, and multi-process systems . Strong understanding of firmware architecture, software design patterns, and scalable embedded software design . Experience developing Qt/QML user interfaces . Hands-on experience with HTTP/REST APIs and secure web services . Good knowledge of Assembly (when required), RTOS concepts, and embedded systems development .



Strong experience working in Linux (embedded and development environments), Windows, and mac OS . Experience with Git/Git Hub version control systems. Hands-on debugging experience using JTAG, GDB, logic analyzers, oscilloscopes, and memory debugging tools . Experience with unit testing frameworks (GTest/GMock) . Experience using Make, CMake , and Jenkins or similar CI/CD tools . Familiarity with GCC ARM toolchains, package managers (apt, pip), and Docker-based development environments . Strong understanding of authentication and authorization technologies including Kerberos, SASL, and LDAP . Experience implementing TLS/SSL, Open SSL, PKI, certificate management, and secure communication protocols . Knowledge of HTTPS, Secure REST APIs, and embedded security best practices . Experience using Wireshark for networking analysis, packet capture, and protocol debugging. Hands-on experience with Yocto for Embedded Linux image customization a

📌 Firmware engineer (Cantabria)
🏢 Ascendion
📍 Cantabria