UK Space Jobs

ClearSpace · London

Act as technical authority for spacecraft propulsion design within the Mechanical, Thermal and Propulsion team, owning the propulsion architecture across the mission lifecycle. Lead concept definition, system-level trade-offs, budgets, requirements and verification, with potential to coordinate the MTP domains on a mission. Involves mentoring engineers and engaging customers, suppliers and institutional stakeholders.

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.

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.

Eutelsat OneWeb · Forfar

Specify and oversee development of mission control and resource management systems for IRIS² and future satellite constellations, covering payload planning, gateway and network configuration. Work spans functional architecture, supplier RFP assessment, trade-offs across subsystems, and integration with IVV teams. Interfaces closely with service and spacecraft operations teams.

Eutelsat OneWeb · Forfar

Design, simulate and integrate 5G NTN RAN architecture, evaluating algorithms, scheduling, QoS and mobility to optimise network performance. Work with RAN vendors and subcontractors through co-engineering and integration, connecting the satellite access network and SMO with the 5G Core, transport, payload and mission operations.

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.

CesiumAstro · Milton Keynes

Owns integration and verification of space-communication systems spanning digital and analogue hardware, building and maintaining test setups and software for modem and link validation at baseband and RF level. Involves calibration and metrology analysis, Python-based modular test tooling, and troubleshooting link performance alongside DSP, hardware and software teams.

CesiumAstro · Milton Keynes

Designs and implements high-speed DSP algorithms for satellite and aerospace communication systems, including filters, equalisers, timing/carrier recovery loops and FFT engines. Builds floating- and fixed-point models in MATLAB or Python to verify VHDL hardware realisations, modelling channel impairments such as noise, Doppler and multipath.

Strongfield · Shanghai, China

This role involves leading the design and development of composite wing box structures for a new civil aircraft program. The engineer will conduct in-depth research on structural components and drive product development within a supportive, internationally integrated aerospace team. The position emphasizes technical leadership and innovation in composite design while offering a balanced lifestyle in Shanghai with opportunities for regional exploration.

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.