Senior Embedded C++ Software Engineer

ANNAX, a Wabtec company, delivers passenger information, audio, and security solutions for trains, trams, and metros worldwide. Our comprehensive solutions include: Rail Audio - Public announcement and passenger emergency call systems Passenger Experience - Travel information, infotainment, and seat reservation Operations & Security - Video surveillance, operator/conductor interfaces, passenger counting, and fleet management We design and deliver integrated solutions that enhance passenger safety, comfort, and experience on rail networks worldwide. We're looking for an experienced Senior Embedded C++ Software Engineer - Product Development to join our R&D team in Piossasco (near Turin). You'll be part of a newly formed team of 3 engineers (growing to 5-10) with team locations in Piossasco (Italy), Bern (Switzerland), Brunnthal (Germany), and Suzhou (China). Your team will develop the core distributed systems infrastructure and backend components that power our next-generation onboard rail audio platform, working closely with project and integration teams. This is a ground-floor opportunity to shape technical direction, establish modern development practices, and grow with the team as it expands. You'll report to the R&D Technical Lead and collaborate closely with colleagues across our international development sites. The Challenge Our systems connect up to 200 embedded Linux devices to build a distributed audio and travel information solution. The software engineering work spans from the application layer down to hardware interfaces, designing and optimizing real-time audio and communication frameworks across the train. You’ll address technical challenges such as: Framework architecture – design and evolve next-generation distributed audio frameworks Network architecture – configure IP networks Real-time media – deliver low-latency audio and streaming performance Embedded Linux – configure, deploy, and optimize device performance Hardware optimization – tune CPU features and device drivers Cybersecurity – implement and maintain security measures (e.G., compliant with IEC 62443) Key Responsibilities You’ll contribute to the design and development of our next-generation onboard rail audio system with responsibilities including: Collaborate with hardware, system, and software engineers to ensure end-to-end reliability across networked devices Design, implement, and document distributed audio system components Support software architecture decisions Conduct code reviews, mentor junior engineers, and maintain coding standards through automated linting and CI/CD pipelines Debug and optimize performance across networked devices Apply and enforce cybersecurity best practices Contribute to the integration of modern technologies such as containerization and edge computing Required Skills & Tools Must-Have Skills 3+ years of professional experience with modern C++ (C++14/17 or newer) System design experience – able to architect distributed systems and make informed technical decisions, not just implement features Embedded Linux development Deep understanding of Linux systems and command-line tools Scripting (Python, Bash) Solid knowledge of Git Strong grasp of IP networking and distributed systems Development Tools We Use Compilers & Build Systems: GCC, CMake Build Frameworks: Yocto Package Management: Conan, PIP, Debian Documentation: Doxygen, Sphinx, ReST, Markdown, PlantUML Version Control: Git, GitLab CI/CD & Automation: GitLab CI/CD, Ansible, JFrog Scripting: Python, Bash IDEs: Eclipse, Visual Studio Code, CLion Your Profile Bachelor's or Master's degree in Electrical Engineering, Computer Science, or related field Fluent in English (oral and written) – English is our working language, Italian is not required Attention to detail and commitment to high-quality technical execution Passionate about distributed systems and complex technical challenges Willingness to travel occasionally within Europe and internationally Experience in the rail industry is an advantage What We Offer See the impact of your work – your software will be used and seen by passengers every day. Modern development tools and cutting-edge technology stack English-speaking international team environment Professional growth opportunities and the chance to work on complex distributed systems