Aim high, go beyond

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 Doing

Lead the technical delivery of spacecraft systems from concept and architecture through operations and deorbit

Own system-level architecture, coherence, performance, and reliability across mission phases

Define, manage, and maintain mission and system requirements with full lifecycle traceability





Lead system-level verification and validation planning, execution, and technical resolution activities

Perform system analyses, trade studies, and design optimisation to meet mission and operational objectives

Develop and improve MBSE methodologies, tools, and systems engineering processes across projects

Define robust FMECA and Fault Detection, Isolation and Recovery (FDIR) strategies

Ensure appropriate system margins, resilience, and fault tolerance are embedded into mission designs

Coordinate multidisciplinary engineering teams to deliver integrated spacecraft solutions

Act as the systems interface across engineering, AIT, mission management, operations, suppliers, and external partners

Support bids, customer engagements, reviews, and operational decision-making with systems-level expertise

Mentor and support junior systems and engineers while promoting engineering best practice across the organisation

What You’ll Bring

Strong sy

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