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.

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.

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

Owns board-level RF hardware for satellite and aerospace phased array systems, covering schematic design, PCB layout, simulation and lab validation. Works across the full lifecycle from concept and part selection through manufacturing, qualification and in-orbit support, presenting design reviews and contributing to proposals.

Teledyne e2v · Chelmsford

Assembly and Test Operator ensuring timely throughput of imaging devices while meeting quality requirements. Duties include microscope inspection, setting up and running tools, maintaining production records and reporting progress to the Line Manager, working in a cleanroom on alternating double day shifts.

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.

Aalyria · London

Build and maintain backend systems for a temporospatial software-defined networking platform used in satellite and airborne mesh networks. Work on orchestration and management of planetary mesh networks spanning land, sea, air and space, using technology originally acquired from Google.

Aalyria · London

Builds backend software for software-defined networking platforms that orchestrate satellite, airborne and deep-space mesh networks, working with technology originally acquired from Google. The role sits within an aerospace-focused engineering team managing communications across any radio or optical spectrum, orbit or hardware.