At Open Cosmos we are solving the world’s biggest challenges from space, providing businesses, governments and researchers access to more readily available information than ever before - ready for the challenge? Then read on…Our Systems Team brings together brilliant Engineers who turn ambitious mission concepts into reality.As Open Cosmos continues to expand, we’re looking for Senior Systems Engineers to lead the technical delivery of complex space missions, driving system architecture, integration, and mission success across the full spacecraft lifecycle. This role plays a key part in shaping engineering best practices while providing technical leadership across multidisciplinary teams.What You’ll Be DoingLead the technical delivery of spacecraft systems from concept and architecture through operations and deorbitOwn system-level architecture, coherence, performance, and reliability across mission phasesDefine, manage, and maintain mission and system requirements with full lifecycle traceabilityLead system-level verification and validation planning, execution, and technical resolution activitiesPerform system analyses, trade studies, and design optimisation to meet mission and operational objectivesDevelop and improve MBSE methodologies, tools, and systems engineering processes across projectsDefine robust FMECA and Fault Detection, Isolation and Recovery (FDIR) strategiesEnsure appropriate system margins, resilience, and fault tolerance are embedded into mission designsCoordinate multidisciplinary engineering teams to deliver integrated spacecraft solutionsAct as the systems interface across engineering, AIT, mission management, operations, suppliers, and external partnersSupport bids, customer engagements, reviews,



and operational decision‑making with systems-level expertiseMentor and support junior systems and engineers while promoting engineering best practice across the organisationWhat You’ll BringStrong systems engineering capability across the full lifecycle of space missions and spacecraft developmentDeep knowledge of spacecraft subsystems including power, OBC, AOCS, communications, propulsion, and thermal/mechanical systemsProficiency with MBSE tools and structured systems engineering methodologiesStrong understanding of requirements management, verification and validation, margins management, and mission assurance activitiesKnowledge of FMECA, FDIR, CONOPS, and resilient spacecraft system design principlesAwareness of regulatory and mission constraints including frequency allocation, debris mitigation, export control, and insurance considerationsCapability to coordinate multidisciplinary engineering teams and manage technical interfaces across complex programmesThese roles can be based in any of our locations.To apply, you must have the legal right to work in your chosen location.Please submit your application in English.Why Open Cosmos?Work at the cutting edge of space technology with customers around the globeA mission‑driven company making space accessible to help solve real‑world challengesA diverse, ambitious, and supportive teamEqual opportunity employerAt Open Cosmos, we are dedicated to fostering a workplace built on respect, dignity, and belonging. As an equal opportunity employer, we actively challenge bias to ensure every candidate and employee feels truly welcome. We celebrate diversity in all its forms and are committed to maintaining an inclusive environment where everyone has the opportunity to thrive.

📌 Senior Systems Engineer (Barcelona)
🏢 Open Cosmos
📍 Barcelona