Senior Software Engineer - C++ Flight Software (m​/f​/d

Mission Brief

We are looking for a highly experienced software engineer to strengthen and shape our flight software capability. You will work on challenging aspects of launch vehicle software, including flight logic, mission sequencing, simulation environments and vehicle control software, while raising engineering standards through expertise, judgement and execution.

• Lead or make major contributions to the design and implementation of complex flight software systems.
• Make pragmatic architectural decisions that balance correctness, maintainability, performance and long-term platform evolution.
• Help improve engineering standards, development practices and technical direction in areas of strong expertise.
• Mentor engineers through design reviews, code reviews and day-to-day technical collaboration.
• Design and implement vehicle flight modes, mission sequencing and autonomy logic.
• Develop and improve simulation environments used for software development and validation.
• Write high-quality C++ and develop supporting tools and automation using Python and MATLAB.
• Investigate complex or difficult-to-reproduce issues through disciplined, data-driven root-cause analysis.

• Strong software engineering ability demonstrated through delivery of complex technical systems.
• Deep practical experience with C++ and software architecture.
• Strong understanding of software design, testing, debugging and maintainability.
• Ability to understand and improve large or complex codebases.
• Ability to raise the engineering standard of a team - through review culture, knowledge sharing and making technical reasoning visible to others.
• Strong analytical and problem-solving skills.
• Good engineering judgement and ability to make trade-offs explicit.
• Ability to work effectively across multiple technical disciplines.
• Disciplined, detail-oriented mindset with a strong commitment to software quality and root-cause problem solving.

• Experience in aerospace, space systems, robotics, autonomous systems, simulation, modelling, control systems, scientific computing, safety-critical software, embedded/real-time systems or distributed software.
• Experience with MATLAB/Simulink, Linux, Git, CI/CD, SIL or HIL environments.

• 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

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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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.