UK Space Jobs

Satellite Flight Operator

Operate and monitor satellites in real time, ensuring mission success through careful telemetry analysis, anomaly response, and execution of planned activities. Work within a mission-critical team to maintain spacecraft health and improve operational processes across the satellite lifecycle.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom

Applied AI Engineer: Space & EO (Data)

This role involves developing AI applications using satellite and Earth Observation (EO) data to solve real-world problems. The engineer will build computer vision models for image analysis, design LLM-driven workflows with RAG and tool-calling, and integrate AI capabilities into the scalable DataCosmos platform. Collaboration with commercial teams and rapid iteration on customer-driven pilots are key aspects of the role.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
Hybrid Permanent

Senior Antenna and RF Payload Engineer

This role involves leading the design and validation of antenna and RF payload systems for satellite communications, including phased arrays, reflectors, and beamforming technologies. The engineer will perform electromagnetic simulations, define RF specifications, ensure regulatory compliance, and support prototyping and environmental testing. Collaboration with cross-functional teams is essential to deliver high-performance space and ground segment solutions.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent

Air Interface Architect

The Air Interface Architect will define and govern the physical and MAC layer architecture for Open Cosmos' LEO satellite communication system, ensuring high performance and scalability. The role involves designing waveforms, resource allocation, coding, modulation, and handover frameworks, while aligning with 3GPP NR-NTN and DVB-S2X standards. Responsibilities include system-level simulation, modem architecture definition, and integration with core network functions for non-terrestrial networks.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent

Senior Digital Comms Payload Engineer

This role involves defining digital subsystem architectures for satellite communication payloads, translating system requirements into scalable processing solutions, and leading digital-in-the-loop prototyping. The engineer will assess advanced silicon technologies for space applications, define high-speed interfaces, and support secure hardware integration across space and ground systems. Collaboration spans payload, network, and security domains to deliver resilient, high-performance satellite comms solutions.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent

Satellite Payload Processing Engineer

Design and build end-to-end processing pipelines to transform raw satellite data into calibrated, orthorectified, and analysis-ready Earth Observation (EO) products. Collaborate with mission engineers, sales, and customers to define product specifications and ensure data usability across multiple payloads. Integrate workflows into scalable, automated systems while supporting payload calibration, validation, and multi-sensor operations.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent

Production Manager

Manages daily satellite assembly, integration, and test (AIT) operations across multiple shifts at Open Cosmos’ UK site. Leads team leads, ensures production plans are executed safely and on schedule, and maintains alignment with engineering, quality, and supply chain functions. Focuses on operational efficiency, KPIs, and consistent process execution in a high-tech manufacturing environment.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent

Operations Engineer (AIT Production)

This role involves developing and optimizing satellite manufacturing processes within a high-tech production environment. The engineer will apply Lean and Six Sigma methodologies to improve efficiency, quality, and scalability in satellite assembly and testing. Responsibilities include data analysis, SOP development, cross-functional collaboration, and ensuring compliance with safety and quality standards during production.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent

Electronics Engineer – Satellite Manufacturing (AIT Production)

This role involves hands-on integration, testing, and validation of electronic assemblies for satellites, including troubleshooting PCBs and supporting production. The engineer will develop test procedures, ensure compliance with aerospace standards, and collaborate across engineering and manufacturing teams to deliver reliable, space-ready hardware.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent

Senior Mission Manager

This role involves leading complex space missions from concept through to launch and in-orbit operations, coordinating cross-functional teams and acting as the primary liaison with customers and partners. The Senior Mission Manager ensures technical, contractual, and regulatory requirements are met while managing risks, timelines, and resources. The position supports mission scaling and continuous improvement within a high-reliability engineering environment.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent

Thermal Systems Engineer

The role involves leading thermal engineering efforts across satellite missions, including thermal modelling, test planning and execution, and hands-on support during AIT (Assembly, Integration, and Testing). The engineer collaborates with cross-functional teams to ensure spacecraft thermal performance in orbit and contributes to product development and process improvements within a fast-paced, innovative space technology environment.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent

Senior AOCS Systems Engineer

This role involves leading the design, analysis, and testing of Attitude and Orbit Control Systems (AOCS) for satellite missions within a systems engineering environment. The engineer will develop simulation models, conduct lab validation, and support mission operations and pre-sales activities. Collaboration with suppliers and cross-functional teams is key to delivering high-performance spacecraft systems for Earth observation, telecom, and demonstration missions.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent

FPGA Architect

The role involves designing and leading FPGA architecture for spacecraft systems, translating mission requirements into robust digital solutions, and ensuring reliability and performance across the full lifecycle. The engineer will develop high-speed data pipelines, implement fault-tolerant designs, and collaborate with electronics and software teams. Emphasis is placed on verification, reusable IP frameworks, and technical leadership in a multidisciplinary space technology environment.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent

Senior Spectrum Systems Engineer

This role involves leading spectrum compliance for satellite systems, translating regulations like EPFD and PFD into technical design requirements. The engineer will develop end-to-end simulation models for interference and coexistence, support ITU filings, and guide frequency usage strategies across LEO constellations. Work includes both ground and in-orbit verification, with strong emphasis on regulatory alignment and system-level performance.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent

Head of Spectrum & Regulatory Affairs

Leads the strategic management and protection of Open Cosmos' global spectrum assets, ensuring compliance with international regulations and coordinating frequency rights across jurisdictions. Translates complex regulatory requirements into technical constraints for satellite operations and represents the company before regulators and industry bodies. Focuses on long-term spectrum planning, ITU filings, and cross-functional collaboration with engineering and mission operations teams.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent