Senior Safety-Critical Software Engineer – Avionics | DO-178C (General Opportunity) – Grupo Oesía Our projects become technology that protects, connects and drives strategic sectors: our own. At Grupo Oesía, we work to ensure innovation delivers real impact, and we are looking for people who want to be part of that challenge. WHAT WILL YOUR MISSION BE? At Tecnobit, part of Grupo Oesía, we are looking for a Senior Safety-Critical Software Engineer to join our Avionics & Communications team in Madrid. We are looking for an experienced engineer with a strong background in real-time embedded software and safety-critical avionics systems, who would like to contribute to advanced technology projects developed in accordance with DO-178C. WHAT WILL YOU DO IN YOUR DAY-TO-DAY ROLE?
• Design and develop real-time embedded software for safety-critical avionics systems.
• Define and manage embedded software requirements for MPSoC-based systems.
• Develop low-level software, drivers and hardware abstraction components.
• Develop and maintain embedded software using C and C++.
• Participate in the development and certification of safety-critical software in accordance with DO-178C.
• Manage and trace software requirements using DOORS.
• Perform software verification and testing activities using LDRA.
• Develop and integrate software in real-time operating system environments.
• Support software integration, testing, verification and validation alongside multidisciplinary engineering teams. WHAT ARE WE LOOKING FOR?
• Degree in Telecommunications Engineering, Computer Engineering, Electronics, Industrial Engineering,



or another relevant engineering discipline.
• Minimum of 5 years of professional experience in embedded software development.
• Experience defining software requirements for real-time embedded systems and MPSoC platforms.
• Strong programming skills in C and C++ for embedded environments.
• Professional experience in low-level software and driver development.
• Experience in the development or certification of safety-critical projects under DO-178C.
• Experience with DOORS for requirements management and traceability.
• Experience with LDRA for software verification and testing.
• Experience with real-time operating systems such as PikeOS, VxWorks or INTEGRITY will be highly valued.
• High level of English and the ability to work effectively within an international engineering environment. What will you find at Grupo Oesía?
• Projects with real technological impact.
• Teams where sharing knowledge is part of everyday work.
• Continuous professional development tailored to each profile and individual.
• An environment where engineering and people grow together. If you are motivated by tackling new technological challenges and being part of projects that leave a lasting impact,



we would be delighted to meet you. About Grupo Oesía Build your career where technology has a purpose. At Grupo Oesía, we develop dual-use digital and industrial engineering projects in strategic sectors, strengthening key capabilities for Spain and Europe through our technology centres and alongside a team of more than 3,800 professionals across Spain, Brussels, Latin America and Asia. At Tecnobit-Grupo Oesía we design, develop, manufacture and maintain technology that is already in operation: intelligent imaging systems, secure tactical communications and simulation centres. A clear example of how the technology we create here delivers real-world impact. We operate from our technology centres across Castilla-La Mancha, Andalusia, Galicia, Valencia and Madrid: innovation hubs that contribute key capabilities to national sovereignty and Europe’s strategic autonomy. But what truly sets us apart are the people who make each of those projects possible. We want you to develop your full potential. That is why we build professional environments based on equal opportunities, inclusion and the recognition of every individual’s talent. We foster an environment where talent can learn, collaborate and continue growing, contributing new ideas and reaching its full potential. Because innovation thrives when different perspectives work towards a shared purpose. If you are looking for a place to grow your career, take on new challenges and be part of impactful projects, we would love to meet you. Engineering the Future, Together.

📌 Critical Avionics Software Engineer (Rivas-Vaciamadrid)
🏢 TECNOBIT (Grupo Oesía)
📍 Rivas-Vaciamadrid