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Senior Power System Engineer

ClearSpace

ClearSpace

United Kingdom · London, UK
Posted on Oct 23, 2025

At ClearSpace, we believe in reusability, in affordability driving disruption, and that no progress is real unless it is sustainable.

Our company was founded in 2018 out of the realization that in-orbit servicing and space debris removal are vital services for the future of space exploration and operations. Today ClearSpace has assembled an expert engineering team and is leading the way toward sustainable space operations. From a garage in Switzerland, we now operate across UK and Europe, and are working with world-leading institutions and companies to bring our dream of a sustainable space ecosystem to life.

Motivated to join us and make a difference beyond earth? We are currently looking for a Senior Avionics Engineer to join the team.

The Role

As a key member of our Avionics Team you will be responsible for the power subsystems for existing developments, from design to procurement and integration, and drive our spacecraft power designs for the future.

Responsibilities

System Engineering

• Provide power subsystem engineering, both high level architecture and detailed electronics design, from specification to integration

• Act as the technical point of contact on the Avionics subsystem with key stakeholders: internal project teams, customers, subcontractors.

• Perform requirements engineering (analysis, flow-up and down) related to spacecraft power systems, and the power interfaces of other on-board hardware

• Develop and maintain power subsystem architecture for ClearSpace missions

• Maintain spacecraft power budgets and parametric models for the power subsystem

• Analyse EMC constraints for power subsystem and identify mitigation measures

• Support the definition of power related test equipment

• Define validation, verification and test plans

• Support integration and test of power subsystem, including generation of reports

• Support flight operations

• Generate documentation for the full project lifetime (e.g. Design, Development and Verification Plan; FMEA; design review documentation; in-orbit subsystem operational procedures)

• Support to customer and project reviews

Unit definition and procurement

• Write and support Requests for Proposals (RFPs) to external companies for avionics units reviewing responses and supporting-down selections

• Provide subcontractor management and technical supervision for key hardware deliverables, both power units and supporting other avionics procurements

• Review and assess power electronics aspects of all spacecraft equipment supporting other disciplines

Internal developments

• Support architecture and product development for future spacecraft power systems

• Contribute to detailed power electronics design for in-house developments