AIT Spacecraft Technician

ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement & support sustainable transformation.

Our teams of passionate and agile engineers work on cutting-edge projects that shape the future of technology and sustainability. At ALTEN, we empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrow’s world-today.

Join us and start building tomorrow’s world today!

Seeking an AIT Technician to join our team inLondon to support the assembly, integration, and testing of spacecraft hardware for a major mission within the space sector. You will work hands-on with flight and non-flight equipment, ensuring that all components and subsystems are built, integrated, and tested to the highest reliability standards required for orbital operations.

• Location: London
• On Site: Onsite
• Clearance: Clearable
• Experience Level: Mid - Senior

Key Responsibilities:

• Perform assembly and integration of spacecraft components, subsystems, and harnesses according to engineering documentation and procedures.
• Execute functional tests, electrical checks, and mechanical verifications on flight hardware.
• Support environmental testing activities, including vibration, thermal-vacuum, and EMC campaigns.
• Carry out harness installation, routing, and termination with high-reliability standards.
• Work with engineers to identify, troubleshoot, and resolve integration issues during AIT phases.
• Maintain cleanroom discipline, ensuring proper handling of sensitive spacecraft hardware.
• Complete test logs, integration reports, and non-conformance documentation with accuracy and attention to detail.
• Operate test equipment such as multimeters, oscilloscopes, torque tools, crimping tools, and specialised AIT fixtures.
• Support mechanical assembly tasks, including bracket installation, fastener torquing, and structural integration.
• Follow strict ECSS-style procedures, safety protocols, and quality standards throughout all AIT activities.
• Collaborate with electrical, mechanical, and systems engineering teams to ensure smooth integration workflows.
• Contribute to continuous improvement of AIT processes, tooling, and documentation.

Required Skills:

• Mandatory Space industry experience - hands-on work with spacecraft hardware, satellite subsystems, or high-reliability space components.
• Experience performing AIT tasks on electrical, mechanical, or harness subsystems.
• Ability to follow detailed procedures, drawings, and integration instructions.
• Skilled in using standard AIT tools and test equipment.
• Strong understanding of cleanroom practices and handling of sensitive hardware.
• Ability to identify issues during integration and support engineers in resolving them.

Required Qualifications:

• A Bachelor’s or Master’s degree in Engineering, or equivalent military experience.

Desirable Skills:

• Experience with environmental test campaigns (vibration, TVAC, EMC).
• Knowledge of spacecraft electrical interfaces and data buses.
• Familiarity with ECSS standards or similar high-reliability frameworks.
• Experience with non-conformance reporting and root-cause analysis.
• Exposure to flight hardware acceptance testing and verification activities.

Why join us?

We bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies.

At ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals.

Join a passionate team and help build tomorrow, today.

In short you get:

• A personalised career path and a rewarding management style
• A huge diversity of engineering projects and industries
• Private Medical Insurance
• Cycle & Tech Scheme
• Employee assistance programme
• Life insurance & Pension Scheme
• Social atmosphere, regular gatherings & team buildings
• Flexible way of working (role dependent)

We are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes.

ALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates, regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process, please let us know.

This role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected . Details of this will be discussed with you at interview.