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UK Space Jobs

Latest UK roles, updated daily.

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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

Artificial Intelligence Space Engineer

This role involves designing and developing trustworthy AI components for space systems, combining data-driven and symbolic AI techniques. The engineer will work on NLP, multimodal human-machine dialogue, machine learning, and knowledge-based reasoning, integrating scientific methods into engineering processes. Emphasis is placed on ethical design, innovation, and cross-disciplinary collaboration in a high-tech space environment.

Thales Alenia Space Italy

Radiation Engineer

This role involves ensuring the radiation robustness and reliability of electronic components and subsystems used in satellites. The engineer will analyze, test, and qualify electronic devices against space radiation effects, develop irradiation test plans, execute test campaigns, interpret results, and provide hardening recommendations to design teams. The position works across international programs and collaborates with agencies like ESA, requiring strong technical analysis and communication skills.

Thales Alenia Space Belgium

Business Development Opportunities

This role involves identifying and closing new business opportunities across enterprise, institutional, and government markets. You will build strong customer relationships, collaborate with technical teams, and represent Open Cosmos at industry events. The position offers opportunities for growth at various career levels, from early career to established leaders.

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

Test Engineer (Data)

A Test Engineer in the Data team ensures the quality and reliability of the DataCosmos geospatial data platform by designing automated and manual tests, validating data flows, and supporting CI/CD pipelines. The role involves testing frontend, API, and data layers while collaborating with engineering and product teams to define test coverage and improve testing practices.

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

Earth Observation Presales Engineer

The Earth Observation Presales Engineer supports customer discovery and solution design by combining satellite imagery, geospatial analytics, and Open Cosmos's platforms. The role involves technical feasibility studies, mission simulations, and customer demonstrations, working closely with business development and engineering teams. It requires strong technical and communication skills to translate customer needs into viable Earth Observation solutions.

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

System Performance & Modelling Engineer

Develop high-fidelity simulation frameworks for LEO satellite communication systems, modelling end-to-end performance across orbital dynamics, air interface, payload, and network layers. Analyse system capacity, latency, reliability, and resource allocation to optimise constellation performance and support architectural trade studies.

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

Backend Engineer (DataCosmos)

This role involves designing and maintaining scalable backend services and APIs for DataCosmos, a geospatial data platform that processes and delivers satellite data. The engineer will work extensively with Go and Python, cloud-native technologies like Docker and Kubernetes, and contribute to CI/CD and infrastructure improvements. Collaboration with cross-functional teams is key to delivering solutions for real-world space missions.

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

Embedded Systems Engineer

Design and develop real-time embedded software and firmware for satellite communications systems, spanning both space and ground infrastructure. Work on FPGA-based solutions, low-level hardware control, and high-reliability communication protocols in a multidisciplinary engineering environment. Focus on fault tolerance, performance optimisation, and integration across RF, DSP, and embedded systems.

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

Senior Network Engineer

This role involves designing and implementing advanced network architectures for a dynamic low Earth orbit (LEO) satellite constellation. The engineer will develop custom routing solutions using Segment Routing and IS-IS, integrate control and data planes on specialised hardware, and validate performance under orbital dynamics using simulations and digital twins. Collaboration with cross-functional teams is key to evolving a resilient, high-throughput space-based communications platform.

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

Inventory & Logistics Coordinator (Harwell, Oxfordshire)

This role involves managing inventory and logistics operations for satellite hardware and components at Open Cosmos' Harwell facility. You'll handle goods in/out processes, maintain accurate stock records, support audits and reconciliations, and coordinate shipments of mission-critical materials. Working closely with engineering and procurement teams, the position ensures smooth material flow and traceability within a high-precision satellite integration environment.

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

Mechanical Engineer

This role involves leading mechanical design for satellites, subsystems, and ground support equipment, using 3D CAD tools to produce precise models and drawings. The engineer will apply GD&T standards, support assembly and testing in cleanroom environments, and collaborate across disciplines to deliver flight-ready hardware. Work spans from design through to integration and testing within a dynamic, mission-driven space technology environment.

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

Customer Support Specialist (DataCosmos)

Provide first-line technical support for a geospatial data platform, onboarding users, troubleshooting issues, and collaborating with engineering teams to improve customer experience. Focus on enabling global customers to effectively use satellite data and imagery products.

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

2nd Line IT Support Engineer

This role involves resolving escalated IT support issues across Windows, Linux, macOS, and mobile platforms, managing identity and access systems, and supporting infrastructure such as networks, MDM solutions, and cloud services. The engineer will troubleshoot complex technical problems, manage device lifecycles, and contribute to system upgrades and security hardening. Emphasis is placed on automation, user support, and maintaining secure, compliant IT environments in a growing space technology company.

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

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