Software Engineer; f​/m​/d

Mission Brief

As a Software Engineer in the Ground Control Systems team, you will contribute directly to the development and maintenance of critical libraries and tools for our in‑house software. You will work on software that operates hardware and real missions, where correctness, robustness and clarity truly matter. This role offers the opportunity to shape foundational systems used across teams, balancing clean architecture with real‑time and operational constraints.

Your work will be utilised in aiding the development of new aerospace technologies and platforms.

• Implement and maintain modular control system libraries and reusable software components in Python, C#, TwinCAT, etc.
• Contribute to real‑time system code running on RTOS environments, including sensor/actuator interaction.
• Develop and support driver‑level and HAL‑layer software.
• Help design and implement system interaction logic and state‑machine‑based behaviors.
• Build simulation tools and testing frameworks to support software validation.
• Work cross‑functionally with hardware engineers, PLC engineers and UX teams to ensure coherent, safe system behaviour.

• At least 4 years of experience in Software Engineering with RTOS environments.
• Strong foundation in software engineering fundamentals.
• Experience with Python and .NET, and familiarity with at least one programming language used in real‑time or PLC/embedded contexts (e.g. C#, C/C++, Rust).
• Understanding of control systems, deterministic behaviour and basic real‑time constraints.
• Hands‑on experience with testing practices for embedded or automation systems (unit tests, HIL/SIL, integration tests).
• Competence with CI/CD pipelines, version control and structured development workflows.
• Organised and proactive with high attention to detail and can‑do attitude with outstanding communication skills.
• Fluent in English.

• Previous experience with simulation models (e.g. MATLAB/Simulink).
• Previously released desktop applications and/or libraries for control systems.
• Experience with Beckhoff TwinCAT.

• Employee Participation Program:
  Share in our success through our virtual company share programme.
• 30 days of vacation:
  Enjoy the days off to relax and recharge.
• Company pension plan:
  Secure your future with a 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.

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Isar Aerospace SE is an equal‑opportunity employer committed to fairness and inclusivity. We do not prioritise 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.