Navigation Engineer - Space - Toulouse

About the company

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 2,600 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 are joining 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 bring their 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.

Join a company where humanity, innovation, and impact meet.

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.

Your tasks

We are recruiting a Navigation Engineer to join our Space business unit within the Flight Dynamics Systems & Navigation activity direction. 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 Navigation team and your missions will be to:

• Lead the implementation of all navigation algorithms for the EGNOS V3 system
• Act as the primary technical referent on subjects related to navigation
• Be the main technical interface on all RAMS subjects, particularly Safety analyses
• Participate in maintenance, evolution, and support activities for the PCF

Requirements

With a Master's degree (Bac+5), engineering school in computer science or university equivalent in the field of space mechanics and navigation, you have a minimum of 3 years of experience in scientific and algorithmic software development in C language.

Do you master navigation concepts in the GNSS field and have knowledge in real-time and signal processing?

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!

What we offer

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 3,000 associations supported, an active disability policy, an inclusive culture, a responsible digital approach, and partnerships such as Elles bougent to inspire the female talents of tomorrow.

…and many other benefits to discover by joining us!

How to apply

The next steps If your profile matches, you will be invited to a technical interview with one of our Operational Managers, to discuss your skills and your vision of the profession. You will then meet Elodie or Laura for an exchange about your background, your aspirations, and our company culture. Finally, because we value transparency and respect, we are committed to providing you with personalized feedback by telephone, regardless of the outcome of the process.

Other

The technical environment

• GNSS Embedded Software
• Satellite navigation systems (GNSS: GPS, Galileo, GLONASS, BeiDou) and SBAS augmentation systems (EGNOS, WAAS, MSAS, GAGAN)
• DO 178 (DAL C) and V-model
• C language
• English: read, write, spoken

#hiring #gnss #c #CSGROUP An inclusive and committed employer, our company works every day to fight against all forms of discrimination and promote a respectful working environment. That is why, committed to diversity and inclusion, we encourage all applications and all profiles.