Salary: 56.000 - 96.000 € per year Requirements: Completed studies (Diploma or Master) in aerospace engineering, electronics, software development or equivalent qualification Ideally several years of professional experience in defence and security systems engineering projects Ideally several years of experience in the data exchange of active or passive missile defence systems Strong competence in self-organizing and work planning High motivation, pro-active working approach, and strong sense of responsibility Strong competence in working in a multicultural team Excellent communication, presentation, and documentation skills Experience with applicable standards and processes (NATO) Ability and willingness to achieve a German security clearance Ideally, experience with model-based system engineering (MBSE) Fluency in both spoken and written English Responsibilities: Analyse the external and internal systems needs, missions needs, and customer requirements Define information and data that shall be transferred within the system and with external systems based on NATO standards Derive different solutions for data dissemination within the system and with external systems (e.g. ground based radars, missile defence systems, civil systems) Negotiate the solutions with other companies Define architecture options for data dissemination and perform trade studies for ground and space system elements Specify the selected solution and option preferable in a model-based system engineering approach Implement one or more possible solutions in a software demonstrator Write the interface control document for the selected solution and option Work in an international team of experts from OHB and project partners Technologies: Security System Engineer More: At OHB System AG, we are a large system integrator for space-based solutions in Europe, leading several large-scale projects in defence systems. We focus on integration and interoperability of space-based solutions with various defence architectures. We are currently seeking a Senior System Engineer to extend our expertise in data exchange, especially in alignment with NATO standards. Our team comprises experts from diverse backgrounds, fostering a collaborative and multicultural environment. last updated 11 week of 2026