We are seeking for Firmware Security Engineer who involves in software development and support for Large Format printers, including requirements gathering, coding, testing, bug fixing, and documentation. Key skills include C/C++11/14, Python, concurrent programming, Qt-QML UI development, embedded systems, Linux, version control (Git), debugging, unit testing, build systems, and CI tools. Strong expertise in security (Kerberos, TLS/SSL, OpenSSL) and networking (REST APIs, Wireshark) is required. The job also involves troubleshooting prototype builds, assessing software impacts on manufacturing, and coordinating with cross-functional teams.
Responsibilities:

Capture of the requirements of the software component
Proposal of the functionality of the software component
Development, test and integration of the software component assigned
Document and publish development work (in English)

Programming and Technical Skills:

Programming languages: C, C++ 11/14, Python, TCL
Programming skills: Concurrent programming, multithreaded and multi-process systems.
Software architecture & design:



Application of modern design patterns for maintainable and scalable firmware design
Webservices knowledge: HTTP/API REST
Embedded systems tools: Assembly (when required), RTOS concepts
Operating Systems: Linux (embedded and development environment), Windows for tooling, MacOS
Version control systems: Git/GitHub
Debugging tools: JTAG, GDB, logic analyzers, oscilloscopes, memory corruption/leakage tools
Testing tools: Unit testing (Gtest/Gmock)
Build systems: Make, CMake
Continuous Integration tools: Jenkins or similar
Other essential tools:
Cross-compilers and toolchains (e.g., GCC for ARM)
Package managers (e.g., apt, pip)
Virtualization or container tools (e.g., Docker for build environments)

Security & Networking Expertise:

Authentication & Authorization protocols: Kerberos, SASL, LDAP integration for identity and directory services
Cryptography and secure communication: TLS/SSL proto

📌 Security Engineer (Barcelona)
🏢 Ascendion
📍 Barcelona