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…The Satcom team is responsible for the design, delivery and performance of Open Cosmos’ satellite communications services, spanning the space segment, ground infrastructure and general connectivity.We’re now looking for a Senior Spectrum Systems Engineer to take ownership of how spectrum compliance is designed into our satellite systems from day one.What will you be doing?As Senior Spectrum Systems Engineer you’ll take the lead on translating spectrum regulations into system design—using modelling and simulation to ensure compliance without compromising performance.You will:Translate regulatory constraints (EPFD, PFD, EIRP) into system and sub-system requirementsBuild and own end-to-end simulation models for interference and spectrum complianceDefine system design limits (“design-to-compliance”) for payload and user terminalsModel interference, coexistence,



and mitigation strategies across constellationsProduce high-quality datasets to support ITU filings and coordinationLead verification and validation of spectrum compliance (ground and in-orbit)Shape spectrum usage strategies (frequency reuse, beam hopping, power control)Support external regulatory engagement (ITU-R, WRC) with simulation-backed insightWhat You’ll bringStrong systems engineering fundamentals (requirements, V&V), ideally in an MBSE environmentDeep understanding of RF spectrum compliance (EPFD, PFD, EIRP, emissions)Experience with tools like Visualyse EPFD, STK, or similarStrong Python or MATLAB skills for simulation and analysisSolid understanding of LEO systems, link budgets, and orbital dynamicsKnowledge of ITU-R regulations and NGSO systemsFamiliarity with DVB-S2X, 3GPP NTN, or similar standardsThis role will be based in any of our locations.To apply, you must have the legal right to work in your chosen location.When applying, please submit your CV in English.Why Open Cosmos?Work at the cutting edge of space technology with customers around the globe.A mission-driven company making space accessible to help solve real-world challenges.A diverse, ambitious, and supportive team.#J-18808-Ljbffr

📌 Lead Spectrum Systems Engineer: Satellite Compliance (Barcelona)
🏢 EF
📍 Barcelona