As a leading company for engineering and IT services, SII Deutschland GmbH specializes in the development and support of complex systems – from the concept idea to approval. We know that the passion and motivation of our employees are the key to our success. That is why we are always looking for motivated talents who want to enrich our team and drive our company. Are you passionate about satellite and space development? Do you have an affinity for complex systems? Then become part of our international team! You can expect varied and exciting projects in a wide range of aerospace sectors. Aufgaben You will write the model specification according to user and satellite's system requirements. Development of the model using SimTG and C++. You will integrate system models in the numerical simulation bench and support system‑level validation activities. You will prepare and maintain model documentation and test specifications. You will verify and validate test models using SimOPS and Java, ensuring compliance with requirements. You will create test plans, execute integration tests, and generate test reports for validation coverage. Qualifikationen Master's Degree in Aerospace Engineering, Software Engineering or a similar qualification. At least 4 years of experience in satellite systems or space simulation environments. Proficiency in C++ and Java programming languages. Experience in managing projects in the aerospace sector. Familiarity with CI/CD tools (Git, Jira, etc.) and software testing practices. Experience with embedded software engineering. Ability to write technical documentation and system specifications. Experience with SimTG, SimOPS, and Eclipse environments is a plus. Strong problem‑solving attitude, teamwork skills, and capacity for autonomous work. Very good English skills written and spoken – German is a plus. Ansprechpartner Bei Fragen zu dieser Position wenden Sie sich bitte an: SII Deutschland GmbH Jessica Lindlein Tel. +49 (0) 172 10 260 57 #J-18808-Ljbffr