Mechanical Integration and Assembly Engineer - Space

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!

As a Mechanical Integration and Assembly Technician you will join our Portsmouth team to support our activities within the Space sector. 

You will be responsible for the mechanical integration and assembly of aerospace systems, supporting AIT (Assembly, Integration & Test) activities. The role is on-site full-time, across AM/PM shifts, and is suitable for junior technicians who are competent and eager to develop their skills.

• Location: Portsmouth
• On Site: Full time
• Clearance: Clearable
• Experience Level: Mid-level

Key Responsibilities:

• Perform mechanical integration and assembly of aerospace systems
• Support AIT (Assembly, Integration & Test) activities
• Follow engineering drawings, manuals, and technical instructions accurately
• Collaborate with multidisciplinary teams to ensure components are installed correctly
• Report and document assembly progress and any technical issues

Required Skills:

• Competent in mechanical assembly and integration techniques
• Ability to follow technical drawings, schematics, and assembly instructions
• Experience working in multi-disciplinary engineering teams
• Willingness to work across AM/PM shifts on-site full time

Required Qualifications:

• A Bachelor’s or Master’s degree in Engineering, or equivalent military experience.
• Proven experience in mechanical integration or assembly, ideally within aerospace or high-precision manufacturing environments

Desirable Skills:

• Familiarity with AIT processes and aerospace standards
• Experience in component installation, jigs, or tooling
• Knowledge of inspection and quality procedures

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. 

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.