GNC Engineer - Flight Software Development (C++) (m/f/d)

Mission Brief

Join our Flight Software team and help define how a launch vehicle behaves throughout all phases of flight. This role sits at the intersection of Guidance, Navigation & Control, flight dynamics, mission analysis, simulation and flight software, turning engineering insight into robust C++ and Python implementations that can be tested, verified and flown.

Your Role in Our Space Mission

• Develop, improve and verify GNC algorithms for launch vehicle applications.
• Contribute to guidance strategy, navigation solutions and vehicle control techniques.
• Support trajectory design, mission analysis and flight performance assessment.
• Develop and maintain high-fidelity simulation environments for design, development and verification.
• Model vehicle dynamics, environmental effects, sensors, actuators and subsystem interactions.
• Implement and integrate GNC algorithms within production flight software.
• Create analysis, testing and automation tools using C++, Python and MATLAB.
• Investigate anomalies and unexpected behaviour in simulation, testing and flight operations, driving issues to root cause.

Qualification Checklist

• Background in GNC, flight dynamics, astrodynamics, aerospace engineering, robotics or a related discipline.
• Strong understanding of dynamic systems and vehicle behaviour.
• Experience developing software in C++, Python or similar languages.
• Strong analytical and problem-solving skills.
• Ability to translate complex engineering concepts into practical, testable implementations.
• Ability to work effectively across disciplinary boundaries with systems, avionics and flight software engineers.
• Engineering curiosity combined with technical rigour and attention to detail.
• Comfort moving between equations, simulation results, flight data, software and system-level behaviour.

Bonus Skills

• Launch vehicle, spacecraft, aircraft or autonomous vehicle experience; guidance, navigation, estimation or control algorithm development; validation using test or flight data.
• Experience with Linux development, version control, MATLAB/Simulink and practical software development.

Benefits

• Employee Participation Program: Share in our success through our virtual company share program
• 30 days of vacation: Enjoy the days off to relax and recharge
• Company pension plan: Secure your future with our company pension plan, featuring a 20% employer contribution after the probation period
• Subsidised lunch: Stay energised with delicious, subsidised lunches every day
• Public transport ticket: Commute with ease using a fully financed Deutschlandticket
• Sport Clubs membership: Stay fit with our sponsored sports club memberships (EGYM Wellpass)
• Individual learning allowance: Grow your skills with an individual learning budget granted after the probation period
• Childcare allowance: Receive a childcare allowance for your non-school-age children
• And Much More! Discover additional perks and benefits when you join our team

Who we are

We are Isar Aerospace and we are at the forefront of New Space building a modern space business to enable faster, better and cheaper access to space.

Our mission is to help democratise space and use it for good in order to improve life on Earth now and for the future generations.

We are a fast-growing company aiming to provide sustainable and environmentally friendly launch solutions for small and medium-sized satellites and constellations into Low Earth Orbit. The company is privately funded by world-leading technology investors with strong commitment and support and our team is made of driven and talented people with a real passion for space innovation.

We're making rockets in a way that hasn't been done before disrupting a traditional industry. If you are up for the challenge, want to work on cutting-edge projects and be part of a team changing the world for better, come, join us and launch your career!

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Disclaimer
Isar Aerospace SE is an equal-opportunity employer committed to fairness and inclusivity. We do not prioritize any specific religion, gender, nationality, or background. Due to security clearance requirements, affiliations with countries listed under § 13 para. 1 no. 17 SÜG may affect the application process. All qualified applicants are encouraged to apply.

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