UK Space Jobs

ClearSpace · London

Owns the spacecraft thermal architecture across all mission phases, defining control strategies, thermal budgets and hardware such as MLI, radiators, heat pipes and heaters. Leads thermal modelling in ESATAN-TMS, verification and TVAC testing, and may coordinate the Mechanical, Thermal and Propulsion domains on a mission. Acts as technical authority liaising with customers, suppliers and partners while mentoring thermal engineers.

ClearSpace · London

Defines and evolves the flight software architecture and technical roadmap, supporting projects with architecture baselines, design decisions and standards. Acts as Software Subsystem Lead on selected missions, owning software design, system specification and delivery of scope, cost, schedule and quality, while mentoring the FSW team and coordinating external suppliers.

Gregory Martin International · Chippenham · £60,000 – £80,000 pa

Consultants work directly within customer teams to analyse problems, capture requirements, create architectures and assess options using systems engineering methods, then present evidence-based recommendations. Projects typically support defence and security research and procurement, with a focus on space, C4ISTAR and satellite systems, and the role also involves leading bids and building client relationships.

Eutelsat OneWeb · London

Oversees the UK-based innovation team, managing ongoing partnership programmes with ESA, UKSA and other space agencies while identifying and structuring new collaborative initiatives. Coordinates contract changes, project reviews and stakeholder reporting, working with startups, engineering, finance and procurement across the UK and Europe.

Gregory Martin International · Portsmouth · £60,000 – £80,000 pa

Lead major systems engineering consulting projects for defence clients, providing technical oversight, architecture development and integration strategies while mentoring junior staff. The role combines client delivery with business development, bids and subject-matter expertise in MBSE, requirements engineering and capability development across defence, telecoms and space domains.

Surrey Satellite Technology · Guildford

Design, analyse, verify and deliver spacecraft power subsystems and analogue electronics, from battery charge/discharge regulators and DC-DC converters to power distribution and drive electronics. Acts as power subsystem lead on missions, working from concept through launch and operational life alongside technical leads across disciplines.

Orion Electrotech · Wiltshire

Lead propulsion system development from concept through qualification and in-service support, integrating gas turbine, rocket, reciprocating, battery-electric and emerging technologies. Own requirements, architecture, interfaces and configuration control while leading testing programmes and mentoring engineers across multidisciplinary teams.

NewOrbit Space · Reading

Lead a team building the on-board flight-software stack for very low Earth orbit satellites, covering real-time control flows, autonomy, mode management and FDIR. You'll design and test deterministic C/C++ services on RTOS or Embedded Linux, integrate subsystems over I2C/SPI/CAN/SpaceWire, and take software from simulation through launch to on-orbit operations with over-the-air updates.

NewOrbit Space · Reading

Lead new business development with government and large space sector customers, personally winning and closing high-value satellite contracts from sourcing through negotiation. Own commercial strategy, pipeline forecasting and board reporting, and build a wider sales team as the business scales, working closely with engineering and delivery.

Holt Executive · Oxfordshire · £40,000 – £85,000 pa

Design, develop and validate flight dynamics software for defence and space missions, covering orbital mechanics, trajectory design and mission analysis. The role blends algorithm development in Python and MATLAB with requirements capture, verification and Agile Scrum delivery, acting as technical interface with suppliers and operations teams.

Holt Executive · Oxfordshire · £65,000 – £98,000 pa

Leads a team of systems engineers while actively contributing to the design and development of complex spacecraft systems across the full lifecycle, from mission concept to integration and verification. Focuses on technical trade-offs, requirements management, and cross-disciplinary coordination within a high-tech space organisation. Offers leadership responsibility alongside hands-on engineering in a collaborative, international environment.

Eutelsat OneWeb · Forfar

Leads end-to-end system sizing and performance assessment for next-generation satellite communication networks, spanning user terminals, space, ground and network segments. Defines performance budgets, coordinates modelling and simulation, and drives cross-domain trade studies to meet capacity, latency, availability and scalability targets. Interfaces with suppliers and business stakeholders to justify design choices and ensure traceability.

CesiumAstro · Cambridge

Performs complex mixed-signal PCB layout in Altium Designer for aerospace electronics, owning dense boards that combine 30 GHz RF, power and digital with advanced stackups. Also manages component libraries, generates symbols and footprints, and maintains schematic, layout and BOM templates while collaborating closely with hardware and mechanical engineers.

CesiumAstro · Cambridge

Owns end-to-end design of complex electronics modules for satellites and aerospace systems, covering architecture, schematic, PCB layout in Altium, analysis, bring-up and production release. Also leads teams of hardware engineers, mentors staff and presents design reviews to customers and executives.

Copello · Bristol · £40,000 – £75,000 pa

Hands-on structural analysis role covering static strength analysis of metallic and composite aerospace structures across Defence, Security and Space. You will build and post-process FEA models in Nastran, ANSYS and Altair, analyse components and full-airframe load cases, produce stress reports and support structural testing, working with design, manufacturing, test teams, customers and suppliers.