We are seeking an experienced Firmware Security Engineer with strong expertise in embedded firmware development, security, networking, and Linux-based systems. The idóneo 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.
- 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 macOS.
- Experience with Git/GitHub 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, OpenSSL, 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 and layer integration.
- Exper

📌 Firmware Engineer (Barcelona)
🏢 Ascendion
📍 Barcelona