Job.boJob.bo

GNC Engineer (M/F)

AltenBoulogne-BillancourtJob.bopublished 10/29/2026
Apply now View position (jobs.smartrecruiters.com)
1,190 more positions at Alten →
Must-have:Python
Machine translation — original language: French.Show original

About the company

“_ALTEN plays a crucial role in supporting the Aeronautics,Space,Defense_(ASD) sectors, by tackling technological challenges and supporting key issues of sustainable development, decarbonization, and security. We invest in recruiting the best talent, structuring our Centers of Excellence, training for the development of new skills, and innovation_”, Stéphane Dahan, Director of Engineer Recruitment.

ALTEN, a global leader in Engineering and IT Services, is looking for bold engineers to join our specialized teams in the ASD sectors.

Thanks to our preferential partnerships, we guarantee you access to high-value-added projects, whether it is developing innovative flight technologies, participating in revolutionary space missions, or contributing to critical advances in defense.

Are you fascinated by aviation, dream of conquering space, or wish to strengthen the security of our nations? Take off with your career with ALTEN! 🚀

Your tasks

Main Missions You will work on the design, development, simulation, and validation of GNC algorithms to ensure the performance of space missions.

Your main missions will be

  • Design and develop guidance, navigation, and control algorithms.
  • Participate in modeling and GNC performance simulations.
  • Develop control laws and estimation algorithms.
  • Contribute to performance analyses and solution optimization.
  • Participate in the writing of technical documentation.

Requirements

Education/ Experience

  • Minimum Master's degree / Engineering degree with a specialization in robotics, GNC, computer science, or an equivalent scientific and technical field
  • You have proven initial experience (or several years of experience) in GNC, AOCS, or satellite control development.
  • You are comfortable with software development, particularly in C++, and use Python for your simulation, experimentation, or validation work.

You possess the following skills and knowledge

  • Knowledge of trajectory, dynamics, and orbital mechanics
  • Mastery of guidance, navigation, and control algorithms, as well as navigation software (onboard and ground)
  • Knowledge of navigation sensors, telemetry, control loops, and flight data processing
  • Ability to model, test, and qualify avionics or space systems
  • Ability to ensure the capitalization and dissemination of methods and best practices

Personal Qualities

  • Autonomy, rigor, analytical and synthesis skills
  • Good written and oral communication

Languages and mobility

  • Professional proficiency in English (Read, written, and spoken)

What we offer

  • RTT
  • Meal vouchers (60% covered by ALTEN)
  • Contribution to transport costs (Navigo Pass covered at 90%...)
  • Social benefits: holiday vouchers, preferential rates, 1% housing
  • ALTEN Solidaire: volunteering with charitable associations (Les Restos du Cœur, Emmaüs...)
  • Events: annual parties, afterworks, team building, ALTEN Awards...