Electronics / Avionics Engineer

Electronics / Avionics Engineer Sassenheim, The Netherlands Your (space) mission As the Electronics / Avionics Engineer at cosine you play a key role in shaping the electronic backbone of high-performance optical payloads that operate at the frontier of space. You help define and realise robust avionics architectures that enable Earth observation, environmental monitoring, defence-related remote sensing and planetary science missions. From concept to procurement and integration, your work ensures that every electronic subsystem performs reliably in the most demanding space environments. You translate complex system needs into practical, buildable and procurable solutions that directly contribute to mission success and high-impact decision-making from orbit. Tasks & responsibilities In this role you will: - Define and support the electronics and avionics architecture of optical payloads and translate system requirements into robust electronic concepts, interfaces and specifications - Drive procurement activities for electronic subsystems, including supplier selection, technical alignment, quotations and make-or-buy decisions - Act as the technical interface with suppliers and subcontractors, ensuring alignment on design, quality, delivery and performance expectations - Support engineering reviews, including requirements, design, test readiness and manufacturing data assessments - Contribute to system-level integration, verification and test of electronic subsystems across development and production phases - Support risk management activities including obsolescence analysis, component availability and procurement planning Your profile We are looking for candidates with the following qualifications: - A Master's degree in electronics engineering, avionics, aerospace engineering, electrical engineering or a related field - Experience in electronics or avionics development for aerospace, space, defense or other high-reliabil...