Spacecraft AIT Engineer

ALTEN – Portsmouth, England, United Kingdom

Are you passionate about engineering? Do you want to make a difference? Join us and start building tomorrow's world today!

ALTEN is seeking a Spacecraft AIT Engineer to support cutting‑edge satellite missions within a cleanroom and launch‑preparation environment. You’ll be joining our dynamic team of consultants delivering hands‑on mechanical integration, testing, and alignment activities for high‑value space systems.

• Working in cleanroom environments, following AIT and ESD safety rules.
• Reading and interpreting MICD documentation and 3D models (e.g., CATIA, Solid Works, NX).
• Supporting hardware alignment activities using laser or optical methods.
• Carrying out precision mechanical measurements using tools such as micrometers, calipers, and laser trackers.
• Assisting with wiring, adhesive application, and MLI (Multi‑Layer Insulation) installation (training will be provided).
• Operating MGSE (Mechanical Ground Support Equipment) including lifting tools and handling frames (training will be provided).
• Supporting environmental testing such as vibration, thermal vacuum (TVAC), acoustic, and mass property testing (training will be provided).
• Contributing to technical documentation and reporting during test campaigns.
• Supporting launch campaign activities such as integration, fit checks and transport preparation (training will be provided).

• Minimum Bachelor's in Mechanical Engineering, Aerospace Engineering, Systems Engineering or related.
• Previous experience in mechanical assembly, integration, or testing of space or aerospace systems.
• Familiarity with cleanroom procedures and ESD precautions.
• Ability to interpret technical documentation such as mechanical drawings and interface control documents.
• Experience with measurement and alignment tools (CMMs, micrometers, laser trackers).
• Ability to work independently to strict procedures and standards.

This role will 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  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.

We foster a community of dually talented individuals who are both entrepreneurs and technology specialists. Our teams embody the spirit of innovation and entrepreneurship, enabling us to develop solutions most efficiently. Our commitment to sustainable growth is unwavering, and we continuously strive for accelerated transformation and continuous improvement. Through ALTEN labs, mentoring programs, internal universities, and more, we are always pushing boundaries and embracing new possibilities.

We offer incredible opportunities to join inspiring projects in the most innovative companies. We prioritise your career development with personalised support plans tailored to your own aspirations. We're here to empower you and help you reach your full potential.

• A personalised career path and a rewarding management style
• A chance to work on the most exciting engineering projects and technologies along with Premium Customers
• A huge diversity of engineering projects and industries
• A competitive salary
• Private Medical Insurance
• Pension Scheme
• Cycle‑to‑work Scheme among many additional benefits
• Social atmosphere, regular gatherings, and team buildings
• Flexible way of working (role dependent)