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ETH Zurich | Space brings together space-related research, education, and technology development across ETH Zurich, working with academic, industrial, and institutional partners to develop new space missions, instruments, and technologies. The objective is to establish and grow a centralized pool of space engineering expertise within ETH Zurich | Space, supporting ETH Zurich-led space projects and technology programs. This position is offered as a fixed-term appointment for an initial period of two years, with the possibility of extension.

Tasks

  • Provide flight software and software systems engineering expertise across multiple ETH Zurich space projects.
  • Contribute from early mission formulation and software architecture through implementation, integration, verification, launch preparation, and operations.
  • Take technical ownership of assigned flight software developments and act as the primary software interface to systems engineering, avionics, payload teams, mission operations, and external platform providers.
  • Translate mission concept of operations into spacecraft behaviors and define flight software architectures and functional decompositions.
  • Allocate hardware-software functions and define associated software requirements and interfaces.
  • Translate mission and system requirements into software specifications, interface control documents, operational concepts, and verification plans.
  • Develop embedded flight software in C and C++ and supporting tools and test scripts (e.g., Python), including device drivers, telemetry and telecommand handling, onboard data management, application software, and fault-management functions.
  • Integrate flight software with onboard computers, sensors, actuators, payload electronics, communication interfaces, ground systems, and externally supplied spacecraft platforms.
  • Set up and maintain flat-sat flight software testbeds.
  • Perform software-related trade studies covering processing capacity, memory, timing, bandwidth, autonomy, reliability, and fault tolerance.
  • Develop real-time, event-driven, autonomous, synchronization, and GNC-related software functions where required.
  • Establish and maintain software baselines, configuration control, versioning, build automation, continuous integration, release management, and requirements traceability.
  • Develop and execute flight software unit tests, conduct integration, software-in-the-loop, processor-in-the-loop, hardware-in-the-loop, and system-level verification and validation activities.
  • Support software risk management, anomaly investigation, non-conformance handling, and technical review boards.
  • Support spacecraft and payload assembly, integration, and test activities, commissioning, in-flight software updates, telemetry analysis, and mission operations.
  • Contribute to technical reviews, early-stage mission concepts, proposals, and software feasibility studies.
  • Provide technical guidance to junior engineers, researchers, and student teams.

Requirements

  • Master’s degree in computer science, electrical engineering, computer engineering, aerospace engineering, robotics, or a related field.
  • 5+ years of professional experience in flight software, embedded software, or mission-critical software systems.
  • Strong programming skills in C and C++ for resource-constrained embedded targets.
  • Experience with real-time operating systems, embedded Linux, or bare-metal development.
  • Experience in software systems engineering, including architecture definition, functional decomposition, hardware-software allocation, requirements management, and interface control.
  • Ability to translate mission and spacecraft requirements into software specifications, operational concepts, and verification strategies.
  • Experience integrating flight software with avionics hardware, sensors, actuators, communication buses, payloads, or ground systems.
  • Understanding of telemetry and telecommand, onboard data handling, timing, autonomy, fault management, and spacecraft operations.
  • Hands-on experience with software integration, debugging, automated testing, and hardware-in-the-loop environments.
  • Experience with configuration management, version control, release processes, technical baselines, and requirements traceability.
  • Ability to assess software-related technical resources, including processing capacity, memory, timing, bandwidth, and reliability margins.
  • Strong analytical, organizational, and communication skills, with the ability to work effectively in multidisciplinary and multicultural teams.
  • Knowledge of radiation effects, redundancy, memory protection, watchdogs, and FDIR.
  • Excellent command of English, both written and spoken; German is an advantage but not required.
  • Experience developing flight software for CubeSats, small satellites, scientific instruments, planetary systems, or Class D/Gamma-type missions (plus).
  • Experience leading or coordinating software-related and functional AIT activities, including test planning, execution, anomaly resolution, and system-level functional verification (plus).
  • Experience integrating payload software with spacecraft platforms supplied by external industrial partners (plus).
  • Familiarity with ECSS software engineering and software product assurance standards, NASA software practices, or comparable development frameworks (plus).
  • Experience with spacecraft protocols and buses such as SpaceWire, CAN, UART, SPI, I²C, Ethernet, or CCSDS-based services (plus).
  • Experience with flight software frameworks or operating systems such as NASA cFS, F Prime, RTEMS, FreeRTOS, Zephyr, or equivalent (plus).
  • Experience with autonomous systems, robotic software, relative navigation, formation flying, or distributed spacecraft coordination (plus).
  • Experience with FPGA or firmware interfaces and hardware-software co-design (plus).
  • Experience with EGSE, simulators, ground software, commissioning, or in-orbit operations (plus).
  • Experience collaborating with international partners, space agencies, research institutions, or spacecraft suppliers (plus).
  • Good knowledge of flight software suppliers (plus).

Benefits

  • A dynamic, international, and interdisciplinary work environment at one of the world’s leading technical universities.
  • A motivated team sharing a passion for space, science, and engineering.
  • The opportunity to contribute to space missions from early concept and software architecture through integration, launch, and operations.
  • Work across spacecraft, payload, robotics, autonomy, and distributed-system applications.
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Über uns
Die ETH Zürich ist eine technisch-naturwissenschaftliche Hochschule des Bundes mit Sitz in Zürich. Wir betreiben Lehre, Forschung und Wissenstransfer in Bereichen wie Ingenieurwissenschaften, Naturwissenschaften, Architektur, Mathematik, Informatik, Management sowie Sozial- und Geisteswissenschaften. Unsere Ausbildung umfasst Bachelor-, Master-, Doktorats- und Weiterbildungsangebote und ist eng mit internationaler Spitzenforschung verbunden. Als Teil des ETH-Bereichs entwickeln wir wissenschaftliche Grundlagen, Technologien und Lösungen für Gesellschaft, Wirtschaft und globale Herausforderungen.
Das Team

A motivated team sharing a passion for space, science, and engineering, working in a dynamic, international, and interdisciplinary environment.

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