C

ClearSpace

Autonomous space-debris removal for orbit

GNC Architect

Full-TimeUpdated on 10/21/2026
No salary listed
Expert
Bachelor's, Master's
London, UK
In Person
Aerospace EngineeringFlight Dynamics & GNC

About the job

Requirements
  • At least 10 years of experience in Attitude and Orbit Control Systems (AOCS) or Guidance, Navigation, and Control (GNC) design.
  • Experience designing GNC algorithms, such as navigation filters, guidance strategies, and/or controllers.
  • Experience designing fault-tolerant GNC systems, such as fault-tolerant algorithm or software design.
  • Knowledge and experience of GNC rendezvous and pose-estimation sensors and methods.
  • Experience in satellite trajectory design and analysis, such as walking safety ellipses, passively safe trajectories, abort manoeuvres, and collision-avoidance manoeuvres.
  • Experience in GNC hardware integration and testing.
  • Experience with software packages commonly used for aerospace simulations, such as MATLAB/Simulink and Python.
  • Experience programming in C/C++.
Responsibilities
  • Serve as the Guidance, Navigation, and Control (GN&C) Architect for the mission.
  • Define the GNC architecture for the mission.
  • Define and manage the GNC subsystem requirements.
  • Define the GNC simulator and test specifications.
  • Manage the mission's GNC engineering team.
  • Define risks and risk-mitigation strategies for the GNC subsystem.
  • Contribute to overall system optimisation by capturing the needs of other subsystems and proposing appropriate GNC-level solutions for other disciplines.
  • Interface with program management and the technical team, especially the System Architect and Robotic System Architect.
Desired Qualifications
  • A BSc or MSc degree in aerospace engineering or another relevant engineering or science discipline.
  • Additional languages.
  • Strong analytical skills.

About the company

ClearSpace removes space debris from Earth's orbit using autonomous robotic systems. The flagship mission ClearSpace-1 aims to capture derelict satellites and debris and remove them from orbit, reducing collision risk for future missions. It develops autonomous capture, disposal, and refueling/servicing capabilities under contracts with space agencies, including the ESA. Its goal is to make space activities safer and more sustainable by actively cleaning orbital debris and enabling longer-lived satellites.

Company Size

51-200

Company Stage

Grant

Total Funding

$38.8M

Headquarters

Renens, Switzerland

Founded

2018

Get referred to ClearSpace

See people who can refer or advise you

Simplify Jobs

Simplify's Take

What believers are saying

  • ESA signed a new Phoenix contract on 2026-09-22, advancing TRL 5.
  • PRELUDE targets a 2027 launch, giving ClearSpace a second near-term flight.
  • Intelsat collaboration and the €100 million Phoenix program create a path to commercial contracts.

What critics are saying

  • ClearSpace-1 slipped to 2028 after ESA changed targets and simplified the industrial team.
  • Until Phoenix docks an operational GEO satellite, ClearSpace sells promises, not recurring revenue.
  • If first capture or docking fails, ESA funding credibility and the entire servicing thesis collapse.

What makes ClearSpace unique

  • ESA keeps funding ClearSpace because Phoenix docks with satellites never designed for servicing.
  • ClearSpace spans debris removal, inspection, proximity ops, and GEO life-extension across one platform.
  • Its docking architecture adapts to client satellites, not a new servicing standard.

Help us improve and share your feedback! Did you find this helpful?

Growth & Insights and Company News

Headcount

6 month growth

-4%

1 year growth

-5%

2 year growth

-6%
The Register
Oct 17th, 2026
UK Space Agency asks public to name $76M debris removal mission

The UK Space Agency is asking the public to name its Active Debris Removal Mission. It has picked ClearSpace UK to lead the project, which will remove two UK-registered satellites from Low Earth Orbit, starting in 2029. The UK government is backing the effort with more than £60 million and expects disposal to be completed by 2032. The refuellable spacecraft will grab each satellite, lower it to burn up in the atmosphere, then climb back up to await its next job. Launch is planned from SaxaVord Spaceport in Scotland. Names must be two words, with a 150-word explanation. Swear words, political or offensive terms, backronyms, and anything that risks copyright claims are banned. Rob Atchison, managing director of ClearSpace UK, said the next step is to design, build, and test the spacecraft.

Open Access Government
Oct 16th, 2026
UK launches world-first mission to clean up space junk.

UK launches world-first mission to clean up space junk. October 16, 2026 The UK is continuing its efforts to tackle space pollution with a new mission to remove two defunct satellites from orbit by 2032. This mission has received £60 million in government funding its in place to protect vital satellite services while strengthening Britain's position in the growing space industry. Announced on 15 October 2026, the UK Active Debris Removal (UK ADR) mission will use advanced robotic technology to capture and remove old satellites that could be a threat to spacecraft operating in orbit. The growing threat of space junk. Space debris is becoming a growing serious problem, with hundreds of thousands of tracked objects orbiting Earth at speeds of more than 17,000 miles per hour. Even relatively small pieces of debris can cause significant damage to satellites and other essential space infrastructure. Thousands of active satellites support services people rely on every day, including GPS navigation, weather forecasting, communications and national security. This is why removing dangerous debris is so important to keep these services safe and reliable. The UK ADR mission will capture two inactive satellites using large robotic claws before bringing them into a lower orbit, allowing them to burn up naturally as they re-enter Earth's atmosphere. Spacecraft set for 2029 launch. The spacecraft is scheduled to launch in 2029 from SaxaVord Spaceport in Scotland. The site recently received £30 million in government funding to support the UK's independent launch capabilities. Designed with future missions in mind, the spacecraft will also be refuellable, potentially allowing it to support further satellite servicing and debris removal operations in the years ahead. The UK Space Agency is working with ClearSpace UK to deliver the mission, bringing together British engineers, researchers and industry specialists to develop the technology needed for safe robotic capture in space. Britain's space industry. Although these projects are focusing on cleaning up orbit they will also help develop the UK's expertise in repairing, refuelling and maintaining satellites. These activities form part of the In-orbit Servicing, Assembly and Manufacturing (ISAM) sector, which is expected to grow into a billion-dollar industry within the next decade. The programme is also expected to support specialist jobs and strengthen supply chains across the country, from Southampton to Newcastle. The wider UK space sector is already worth £18.6 billion and supports more than 55,000 skilled jobs.

SatNews
Oct 15th, 2026
ClearSpace wins £61 million prime contract for UK dual-satellite Debris Removal mission.

ClearSpace wins £61 million prime contract for UK dual-satellite Debris Removal mission. October 15, 2026 On Thursday, October 15, 2026, the U.K. government awarded Luxembourg-headquartered in-orbit servicing company ClearSpace a prime contract valued at approximately £61 million ($80 million) to deliver the final operational phase of its national Active Debris Removal (ADR) mission. Selected following a competitive procurement against bids from Astroscale and Starfish Space, ClearSpace will lead the design, manufacturing, and operational execution of a robotic spacecraft tasked with capturing and deorbiting two defunct British satellites. Procurement competition and program heritage. The contract award concludes a multi-year competitive evaluation overseen by the UK Space Agency to establish sovereign national capabilities in space sustainability and in-orbit servicing, assembly, and manufacturing (ISAM). ClearSpace previously executed technical feasibility studies alongside partner Orbit Fab to integrate in-space refueling capabilities under Phase 2 of the Clearing the LEO Environment with Active Removal (CLEAR) study, besting competing concepts including Astroscale's COSMIC debris removal architecture. The servicer's engineering baseline heavily leverages the capture architecture engineered by ClearSpace's Swiss division for an OHB-led European Space Agency (ESA) mission targeting the removal of the Proba-1 satellite, which is likewise scheduled to fly in 2029 following earlier orbital heritage on ClearSpace-1 launch agreements with Arianespace. Dual-Capture architecture and servicer specifications. The ADR spacecraft incorporates autonomous rendezvous and proximity operations (RPO) avionics paired with multi-arm robotic manipulators: * Mission Profile: The servicer will perform orbital phasing to match trajectories with two undisclosed, non-cooperative U.K.-licensed satellites currently adrift in low Earth orbit (LEO). * Mechanical Capture: Uses robotic clamping mechanisms to grapple external structures of targets that lack standardized grappling fixtures or docking adapters. * Deorbit Trajectory: Following capture of the first derelict target, the spacecraft will lower the combined stack's perigee to accelerate atmospheric disposal, release the object into an orbital decay path, and subsequently boost its altitude to rendezvous with and capture the second satellite. Mission manifest and 2029 orbital schedule. ClearSpace UK will manage industrial delivery and mission operations, targeting launch in 2029. By demonstrating sequential capture and disposal across two discrete target spacecraft on a single mission, the program aims to qualify reusable orbital servicing architectures while mitigating debris collision hazards along congested low Earth orbit corridors.

Wire Unwired
Sep 23rd, 2026
Europe warns of orbital collisions as startups race to clean up space.

Europe warns of orbital collisions as startups race to clean up space. A new European report raises alarms over rising orbital collision risks, while companies like ClearSpace, Astroscale, and Indian startups Digantara and Manastu Space push debris-removal solutions. A new European report has raised serious alarms about the growing risk of orbital collisions as Earth's skies become increasingly crowded with satellites and debris. With mega-constellations like Starlink and OneWeb expanding rapidly, regulators warn that orbital traffic is approaching unsustainable levels. The report highlights the danger of cascading debris events - the Kessler Syndrome - where one collision triggers a chain reaction of further crashes. Such a scenario could cripple communications, navigation, and Earth-observation satellites, undermining critical infrastructure worldwide. European space agencies are calling for urgent action: stricter space-traffic management, mandatory deorbiting timelines, and accelerated investment in debris-removal technologies. The report also stresses the need for international coordination, noting that orbital space is a shared global resource. This warning comes as a new wave of companies step up to tackle the debris challenge. Europe's ClearSpace is developing robotic missions to capture and deorbit defunct satellites, while Japan's Astroscale is testing magnetic docking systems for debris removal. India too has emerging players: startups like Manastu Space and Digantara are building propulsion and space-situational awareness solutions, aiming to make debris tracking and removal more affordable and scalable. These ventures highlight how innovation is spreading globally, with Indian firms positioning themselves as key contributors to orbital safety.

ClearSpace
Sep 23rd, 2026
ClearSpace signs ESA contract to advance Phoenix GEO life-extension mission.

ClearSpace signs ESA contract to advance Phoenix GEO life-extension mission. Building on development supported by Luxembourg, the new phase with ESA will mature Phoenix's rendezvous, docking and servicing technologies towards commercial GEO life-extension services. Luxembourg, 23 September 2026. ClearSpace has signed a contract with the European Space Agency (ESA) for the next phase of Phoenix, its GEO satellite life-extension mission. Phoenix is being developed to enable a servicing spacecraft to rendezvous with and dock to an operational satellite, providing additional propulsion and attitude-control capability. By taking over functions such as station-keeping and repositioning, Phoenix is designed to help satellite operators extend the useful life and operational value of assets already in orbit, while also supporting responsible end-of-life operations. The broader Phoenix development programme is currently estimated at approximately €100 million. The newly signed contract supports the next stage of this development, advancing the mission architecture and the core rendezvous, proximity operations, docking and servicing technologies required for future commercial operations. The activity is funded under ESA's Industrial Competitiveness programme line within the Agency's Advanced Research in Telecommunications Systems (ARTES) programme. The agreement marks an important progression for Phoenix, building on the programme's development done by ClearSpace Luxembourg with the support of the Government of Luxembourg and the Luxembourg Space Agency (LSA). Luxembourg's early support enabled ClearSpace and its industrial partners to develop the Phoenix concept, establish its technical foundations and demonstrate the potential of satellite life extension as a future in-orbit service. The new phase under ESA ARTES provides a European framework through which these technologies can be further matured and brought closer to operational and commercial deployment. At the centre of Phoenix is ClearSpace's versatile new docking capability, designed to allow a servicing spacecraft to establish a safe, predictable and secure mechanical connection with a satellite already operating in geostationary orbit from first touch to firm connection. ClearSpace's docking capability provides one seamless path from contact to control. Reliable docking is a critical capability for satellite life extension. Once connected, a servicing spacecraft can provide propulsion and attitude-control support for station-keeping, repositioning and end-of-life operations, opening the possibility of extending the productive lifetime of valuable space assets. Laurent Jaffart, Director of Resilience, Navigation and Connectivity at ESA said: "ESA is dedicated to helping Europe build the capabilities needed for the next generation of in-orbit services. In cooperation with our Member States and European industry, we're taking Phoenix to the next level by working to mature the dual-use technologies that will deliver clear benefits for sustainability, resilience, and the competitiveness of Europe's space industry. Together, we will strengthen our position in this emerging market." Luc Piguet, CEO and co-founder of ClearSpace, said: "Phoenix is the result of a shared ambition to make in-orbit servicing a practical and valuable capability for satellite operators. ClearSpace is deeply grateful to ESA, to Luxembourg and the Luxembourg Space Agency, and to the Member States whose continued commitment to European space capabilities has made this progress possible. Their support has allowed ambitious ideas to be transformed into technologies, missions and increasingly tangible services. "We are fully committed to the mission: working with ESA, its Member States, our industrial partners and our customers to build a safe, competitive and commercially sustainable European in-orbit servicing capability." The next phase of Phoenix will further mature the mission architecture, docking system and associated rendezvous and proximity operations required to deliver GEO life-extension services. Phoenix forms part of ClearSpace's growing in-orbit servicing portfolio, spanning inspection, rendezvous and proximity operations, capture, active debris removal and satellite life extension. About Phoenix Phoenix is ClearSpace's programme to develop life-extension services for satellites in geostationary orbit. The mission is designed to rendezvous with and dock to an operational satellite, providing additional propulsion and attitude-control capability to extend its useful life. Following its initial development with support from Luxembourg, Phoenix is entering its next stage under the European Space Agency's ARTES programme, advancing the technologies and mission architecture required for commercially viable GEO servicing. Phoenix is being developed around an adaptable servicing architecture designed to work across different spacecraft platforms and operational scenarios. This flexibility is important to the commercial model: the same core servicing technologies must be capable of addressing a diverse GEO satellite fleet and evolving alongside future spacecraft platforms. About ClearSpace ClearSpace is an in-orbit services company developing technologies and missions that enable safe, sustainable and economically valuable operations in space. Its capabilities span inspection, rendezvous and proximity operations, capture, active debris removal and satellite life extension. ClearSpace was founded in Switzerland and is headquartered in Luxembourg, with teams operating across Europe in Switzerland, the United Kingdom, Luxembourg, Germany and France. Its missions include ClearSpace-1, ESA's Active Debris Removal mission; PRELUDE, an in-orbit inspection and proximity operations mission; and Phoenix, focused on extending the operational life of satellites in geostationary orbit. About ESA's ARTES Industrial Competitiveness programme The European Space Agency (ESA) is Europe's gateway to space, coordinating the financial and intellectual resources of its Member States to conduct space programmes and activities. The Industrial Competitiveness programme line of ESA's Advanced Research in Telecommunications Systems (ARTES) maintains and improves competitiveness for European and Canadian satellite communications industries. It is designed to support the innovative development of technology, products and systems by reducing costs and time-to-market, as well as the development of sustainable systems from ground to in-orbit validation. Through its two components, ARTES Technology and Growth and ARTES Partnership Projects, this programme enables organisations to transform promising concepts into market-ready solutions, covering the entire development cycle. ClearSpace Media contact Hyeonsook Hong Kaiser (She/Her) [email protected] +352 28 51 89 28 Luxembourg