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 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 L

📌 Firmware Engineer (Barcelona)
🏢 Ascendion
📍 Barcelona