Software System Engineer

OHB Czechspace is looking for a Software System Engineer to join our team and contribute to the development of next-generation spacecraft. In this role, you will be responsible for defining, maintaining, and validating the spacecraft software architecture and requirements, ensuring full alignment with system-level needs and interfaces across onboard and ground segments. This is an onsite position, located in Brno, Czech Republic. The position is offered as a fixed-term contract for 3 years, with the possibility of extension. We are primarily considering candidates based in the EU or with existing eligibility to work in the EU. Software System Engineer is responsible for the definition, consistency, and validation of the S/C software architecture and requirements, ensuring alignment with system-level needs and interfaces. Elaboration of software system architecture and design for spacecraft onboard and ground segments. Ensures proper definition, completeness, and compliance of SW requirements. The Software System Engineer is accountable for spacecraft software configuration, releases, and interfaces across all segments. Acts as the focal point for all spacecraft software aspects, including coordination across avionics, payload, and ground segment, and ensures software releases and compliance. Mission level tasks: Making or escalating (if needed) relevant technical decisions within the area of responsibility, ensuring alignment and reporting impacts Proposing and implementing solutions for technical issues within the area of responsibility, including coordination and impact reporting Technical CRM of assigned resources Review and approve of all relevant documents FDIR within the scope of responsibility Ensure consistency between software and system-level interfaces Responsibility for S/C SCOE Provide SW level trade-offs and support the Mission Architect in relevant System-level trade-offs Spacecraft development level tasks: Define and maintain the spacecraft-level software architecture and develop and maintain the Software System Specification (SSS) Ensures the information flow w.r.t. System level SW architecture Responsible for the prioritisation of the SCSW Accountable for the SCSW releases Responsible for all SCSW related documents. Creating, maintaining and controlling of assigned requirements. Analyse System Requirements Document (SRD) and derive software-relevant requirements (Ensure bidirectional traceability) Ensure consistency and completeness of software requirements across: P/F, P/L, Ground Segment Support definition and evaluation of requirements compliance, deviations, and waivers Act as the technical focal point for all spacecraft software interfaces, including: Avionics ↔ Payload Spacecraft ↔ Ground Segment SW Engineering Team Define and maintain software-related ICDs Define, plan and supervised the software verification approach and strategy, including but not limited to: Avionics SW verification and validation with respect to SSS (Requirements Baseline level) Support AIT and System Engineering Support AIT and System Engineering from SW point of view during test campaign preparation and execution and PFM model integration, validation and launch Consideration of the aspects of IT and cyber security