Leader in Engineering and Enterprise IT Services, ALTEN has nearly 60,000 employees, 88% of whom are engineers. With a presence in more than 30 countries, the Group supports its customers' development strategies in the areas of innovation, R&D and technological information systems.

Why choose ALTEN?   

The opportunity to take part in the greatest technological challenges;  

Close support in a collaborative work environment;  

A real career gas pedal in France and internationally 

• develop and adapt software models (C/C++ <14) for satellite simulator or other aerospace simulations
• understand the systems modelling of a satellite or other aerospace platforms and it’s breakdown into subsystem and components, both on a functional and technical of the functional and technical level
• are familiar with modelling approaches such as Simulink, Cameo or similar to analyse the system functions and building blocks
• perform integration, verification, and validation activities (e.g., SIL) on system level and component level
• support debugging, root cause analysis, and optimization in a Linux-based environment
• collaborate with multidisciplinary teams across system engineering, software, and testing

• a degree in aerospace engineering, computer science, or a comparable technical field
• eligible to the V.I.E contract
• solid programming skills in C/C++ and Java
• system modelling understanding (System of Systems)
• hands-on experience with Linux environments
• experience with simulation environments, test benches, or SIL/HIL setups
• familiarity with avionics, onboard software, or satellite systems
• strong analytical skills to understand complex systems and interfaces
• very good English skills

Our Three Pillars of Commitment to Sustainable Development

ALTEN’s approach to sustainability and corporate social responsibility is built on three fundamental pillars:

People
We celebrate the richness of diversity among our employees, representing over 100 nationalities. We are committed to fostering an inclusive environment where everyone can thrive and make meaningful contributions.
We support skills development and actively guide our talents in their personal and professional growth.

Environment
Our mission is to minimize our environmental impact while promoting sustainable growth. We are committed to achieving carbon neutrality by 2050 — a goal that drives our operations and shapes our strategic initiatives.

Sustainable Innovation
At ALTEN, we view the challenges of sustainable development as opportunities for research and innovation. With 31% of our internal R&D dedicated to sustainable innovation, we are determined to transform these challenges into value-creating, progress-driven solutions.