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Optical Systems Engineer

Open Cosmos - Barcelona, Spain - In-office

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Open Cosmos is seeking Optical Systems Engineers to lead the development of optical payloads for Earth observation missions. You will own the complete journey from concept through launch and in-orbit operations, combining deep optical engineering expertise with systems thinking and programme ownership to deliver flight-ready space systems. Key Responsibilities: - Take technical ownership of optical payload developments, working across engineering teams, partners, and suppliers to deliver high-performance missions at speed - Own end-to-end development of optical payloads, from requirements and concept definition through design, testing, launch and in-orbit commissioning - Act as the technical authority for optical payload work packages, ensuring mission performance and delivery - Perform mission analysis and system design for optical Earth observation systems, defining requirements, CONOPS and system budgets - Drive optical payload performance, managing image quality metrics such as MTF, SNR, resolution and detector behaviour - Lead design trade-offs to optimise performance, cost, risk and schedule across the payload and spacecraft system - Plan and support AIT/AIV activities, including optical alignment, calibration, characterisation and testing - Coordinate engineering across satellite subsystems and external suppliers to deliver integrated mission solutions - Support technical proposals, customer discussions and new mission concepts that push the boundaries of Earth observation from space Open Cosmos is a mission-driven company making space accessible to help solve real-world challenges. The company works at the cutting edge of space technology with customers around the globe and maintains a diverse, ambitious, and supportive team. Requirements: - Strong capability in optical space systems, Earth observation and remote sensing - Ability to develop optical payloads from concept through to commissioning - Deep understanding of image quality metrics and budgets (MTF, SNR, resolution, detectors) - Knowledge of optical system manufacturing, alignment, calibration and testing - Strong systems engineering capability (requirements, CONOPS, system budgets, FMECA/FDIR) - Understanding of satellite subsystems and multidisciplinary engineering environments - Legal right to work in chosen location - Fluency in English for application and communication

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