Space Test 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!

We are looking for a Space Test Technician to join our team in Portsmouth supporting system‑level testing activities within a controlled cleanroom environment. The role focuses on executing established test procedures, operating test equipment, and ensuring compliance with technical specifications.

• Location:  Portsmouth 
• On Site: Full onsite 
• Clearance: Not required
• Experience Level: Junior - Senior 

Key Responsibilities:

• Carry out system tests following defined procedures and performance specifications.
• Operate test benches and associated equipment with accuracy and attention to detail.
• Document test results and escalate issues to engineering when required.
• Follow cleanroom protocols, safety standards, and structured ways of working.
• Work safely on elevated, enclosed platforms as part of routine operations.

Required Skills:

• Ability to follow detailed technical procedures and work to defined specifications.
• Competence in operating test equipment, tools, and system test benches.
• Strong understanding of mechanical, electrical, or system‑level principles.
• Familiarity with structured documentation and reporting practices.
• Comfortable working in cleanroom environments and adhering to strict protocols.
• Ability to work safely at height using approved access equipment.
• Good communication skills for coordinating with engineering and operations teams.
• Strong attention to detail and a methodical, process‑driven approach to tasks.
• Ability to work independently while maintaining high standards of accuracy and compliance.

Required Qualifications:

• A Bachelor’s or Master’s degree in Engineering, or equivalent military experience.
• HND, equivalent vocational qualification, or completion of a technical apprenticeship are all suitable pathways.

Desirable Skills:

• Experience supporting system‑level or environmental testing in technical or regulated industries.
• Familiarity with RF test environments or signal‑based testing.
• Understanding of cleanroom best practices and contamination‑control principles.
• Exposure to aerospace, space, marine, defence, or other complex engineering sectors.
• Experience working with wiring, harnesses, or system‑level assemblies.
• Ability to interpret technical drawings, schematics, or test specifications.

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.