Orbitography Engineer - Space - Toulouse (M/F)

Company Description CS, a subsidiary of the Sopra Steria group, is a leading technological player in the design, integration, and operation of critical systems. Present in 7 countries with more than 2600 passionate employees, we operate at the heart of sovereignty, security, and performance issues, in strategic sectors such as defense, space, energy, industry, transport, aeronautics, and cybersecurity. Our difference? Unique expertise in real-time systems, sovereign and sustainable solutions, and a strong culture of innovation, driven by 15% of our turnover invested in R&D. We support our clients in the success of their most complex programs, from air traffic control to anti-drone warfare, including nuclear systems and satellite control centers. By joining CS, you join a human and innovative company. We deliver much more than systems, we build trust. We go beyond expressed needs, we prepare for tomorrow's challenges. More than just experts, we shape innovation. Explore, observe, secure the space of tomorrow. With 50 years of expertise, our Space Business Unit is a trusted partner of space agencies, prime contractors, and satellite operators across Europe. With recognized know-how, it actively contributes to strengthening the performance, security, and innovation of the space ecosystem. Our teams provide expertise across the entire mission life cycle: Earth observation, navigation and telecommunication systems, science and interplanetary exploration, Space surveillance and security. Driven by AI and our sovereign solutions, we push the technological boundaries of European space programs every day. Joining this Business Unit means shaping the future of space alongside passionate experts. Job Description We are recruiting an Orbitography Engineer to join our Space business unit within the Flight Dynamics Systems & Navigation activity management. Our entity specializes in the fields of orbitography, space mechanics, navigation, and SCAO. Your missions As part of the reinforcement of our activities in the field of navigation systems and EGNOS V3 projects, you will join our team at our premises and your missions will be to: Design and implement algorithms to determine the corrections for position and clock biases of the EGNOS V3 system satellites Act as the main technical referent on orbitography algorithms Be the technical interface with the client on all subjects related to orbitography Participate in maintenance, evolution, and software support activities Technical environment Embedded Software GNSS Satellite navigation systems (GNSS: GPS, Galileo, GLONASS, BeiDou) Space mechanics including orbitography DO 178 (DAL C) and V-cycle C Language English: reading, writing, speaking Qualifications With a Master's degree (Bac+5), engineering school in computer science or university equivalent in the field of space mechanics, you have a minimum of 3 years of experience in orbitography and algorithmics. You master the concepts related to orbit determination as well as the development of scientific and algorithmic software. Mastery of the C language and estimation methods (least squares and Kalman filtering...) is indispensable for the performance of your duties. Do you have good interpersonal skills and enjoy teamwork? Are you rigorous and know how to adapt to the processes and constraints related to the project? Are you also proactive and a source of proposals? Then you are the gem we are looking for! Additional Information Join a company where people, innovation, and impact meet. At CS, we offer: An enriching employee experience, driven by a work environment designed to promote flexibility, autonomy, and daily well-being. A complete integration process designed to onboard every talent from day one and an Academy to develop your skills, enrich your expertise, and build professional paths that reflect who you are. A strong societal commitment: more than 3000 associations supported, an active disability policy, an inclusive culture, a responsible digital approach, and partnerships like Elles bougent to inspire tomorrow's female talents... and many other benefits to discover by joining us! Our singularity? The unique alliance between technological expertise, critical projects, and human commitment. An innovative and responsible company, we build an ethical, inclusive, and future-oriented environment. Open to all talents, we believe that diversity is an asset. The...