Job Summary: We are seeking a Junior Avionics Systems Engineer for an aerospace project, collaborating on the development, analysis, validation, and documentation of embedded systems. Key Highlights: 1. Participate in the design, integration, and technical support of avionics systems. 2. Collaborate in the development, analysis, and validation of technical requirements. 3. Opportunities for professional growth and development within an innovative team. Madrid Junior Avionics Systems Engineer Capgemini Engineering, a global leader in engineering services, brings together teams of engineers, scientists, and architects to help the world’s most innovative companies unlock their potential and contribute to a better future. From autonomous vehicles to life-saving robots, our digital technology and software experts think beyond convention, delivering unique R\+D and engineering services across all industries. Join our team and advance your career at a company offering growth opportunities where you can make a difference—and where no two days are ever the same. We are looking for an Avionics Systems Engineer to join an aerospace-sector project, engaging in engineering activities related to embedded systems, avionics architecture, electronic equipment, and aeronautical communication protocols. The primary mission will be to collaborate on the development, analysis, validation, and technical documentation of avionics systems, ensuring their integration, compliance, and alignment with project requirements. What will you do daily? Avionics and Embedded Systems Engineering * Participation in design, integration, and technical support activities for avionics systems. * Technical analysis of avionics architectures, particularly in Helionix environments or equivalent platforms. * Review and validation of electronic equipment and associated embedded systems. Documentation, Certification, and Requirements * Preparation and review of technical and certification documentation. * Analysis, development, and validation of technical requirements. * Management of documentation, technical interfaces, and deliverables associated with the system lifecycle. Protocols and Communication * Work with serial communication protocols applied in aeronautical environments, including MIL‑STD‑1553\. * Support for testing, validation, and verification activities in avionics environments. Multidisciplinary Collaboration * Interaction with engineering, certification, and systems teams to ensure technical coherence of the project. * Use of specialized tools such as DOORS, SNT, IETM, and Microsoft Office for technical and documentation management. What are we looking for? * Degree in Aeronautical Engineering, Telecommunications, Electronics, or related field. * Experience in one or more of the following areas: + Avionics and embedded systems + Avionics architecture (experience in Helionix/helicopter environments is ideal) + Electronic equipment * Knowledge of serial communication protocols (including MIL‑STD‑1553\). * Experience in technical documentation and certification processes. * Ability to develop, analyze, and validate technical requirements. * Native Spanish speaker. * Fluent English (minimum B2/C1 level), especially for technical documentation and collaboration with international teams. A disability certificate will be positively considered within the framework of our inclusion and diversity policy. We value all applications. We offer an extensive training portfolio—both in-person and online—including certifications. Even if you do not meet 100% of the desired qualifications, we would love to meet you. Our commitment to inclusion and equal opportunity is reflected in our Equality Plan and Code of Ethics, which guarantee professional development for all employees and equal opportunity in recruitment—within a discrimination-free environment based on ethnicity, nationality, social origin, age, sexual orientation, gender expression, religion, or any other personal, physical, or social circumstance. What do we offer? * A highly valued work environment, as rated by our professionals. * Wellbeing HUB with initiatives supporting physical and mental health. * Flexible Compensation Plan (medical insurance, transportation, training, childcare, among others). * Continuous training via Mylearning, Capgemini University, digital campuses, and specialized platforms. * Participation in volunteering actions and sustainability, inclusion, and equality initiatives. * Buddy mentoring program. * Life and accident insurance. Why choose us? Capgemini is a global leader in business transformation through technology, operating in over 50 countries with more than 360,000 professionals. With over five decades of experience, our purpose is to drive an inclusive and sustainable future through cloud, data, AI, connectivity, software, and engineering solutions. The Group reported €22,000 million in global revenue in 2022\. Rewrite your future and join our team. **\#LI\-CS21** Ref. code 420395\-es\_ES Posted on 23 Feb 2026 Experience level Experienced professionals Contract type Permanent Location Madrid Business unit Engineering and R\&D Services Brand Capgemini Engineering Professional communities Products \& Systems Engineering