Mechanical Technician - 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 Technician, you will join our team in Portsmouth to support our activities within the Space sector. 

You will support mechanical assembly and production activities within a structured engineering environment. Working from clear work instructions, you will use hand tools and standard software packages to complete build and assembly tasks to quality and safety standards.

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

Key Responsibilities:

• Carry out mechanical assembly using hand tools
• Follow detailed work instructions and technical documentation
• Support build, modification, and mechanical fitting activities
• Use standard computer software (Microsoft Office / Google packages) for documentation and tracking
• Maintain a clean and safe working environment
• Work collaboratively with production and engineering teams

Required Skills:

• Basic mechanical hand skills and experience using hand tools
• Ability to read and follow work instructions accurately
• Comfortable using standard computer software packages
• Good attention to detail and willingness to learn
• Positive, proactive attitude

Required Qualifications:

• Relevant hands on mechanical experience, or equivalent military experience.

Desirable Skills:

• Experience within aerospace, defence, or manufacturing environments
• Experience working to quality standards
• Practical workshop experience

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.