Spacecraft Test Engineer

Company Details

In-Space Missions are world class experts who design, build and operate physical and digital space missions for global customers from our UK site.


About In-Space Missions

In-Space Missions (ISM) are world class experts who design, build and operate space missions for global customers from our UK site. We also offer ‘Space as a Service’ by flying customer payloads on our spacecraft and by providing customers the ability to upload digital applications to operate on our hardware. ISM was founded in 2015 and has grown to comprise approximately 80 staff. The company was acquired by BAE Systems in 2021 but continues to operate as a separate business with our offices and satellite cleanrooms located in Alton, Hampshire in the UK.

Who are you?

As a Spacecraft Test Engineer, you will have worked as a Assembly, Integration and Test (AIT) Engineer or similar and have the knowledge and experience of producing test procedures for subsystem and system level tests. You will be familiar with the use of various test equipment and be educated to at least Level 6 qualification level (bachelor’s degree, apprenticeship degree, NVQ level 6 or similar) in a relevant scientific or engineering discipline;

Experience in some of the following areas is required:

  • Systems Engineering on a small satellite programme, preferably across the full project lifecycle;
  • Technical delivery of complex systems, software and/or electronic hardware;
  • Spacecraft AIT and/or operations;
  • Delivery of space technology and/or space mission studies or R&D projects;
  • Technical pre-sales support during bid activity;
  • Working in and collaborating with multi-disciplinary teams;
  • Interfacing to external clients;
  • Reporting project progress to internal stakeholders;
  • Working with suppliers;
  • Following processes;
  • Knowledge of Space Standards (i.e. ECSS);
  • Knowledge of UK Space Industry.


  • Proficient in use of appropriate technical modelling tools (for example MatLab; STK and/or others such as CAD software packages);
  • Proficient with MS Office Suite (Word, Excel, Powerpoint, Project);
  • Proficient in general programming, e.g. Python, Java, C/C++
  • Excellent communicator, both written and verbal;

What will you be doing here?

This is an exciting role which will suit an enthusiastic, self-starting individual who is happy to work on a range of activities to support the testing of spacecraft and spacecraft equipment. The successful individual will enjoy working as part of a team, will be keen to learn a variety of skills and be comfortable working in a fast-paced environment. It will require someone who takes pride in their work, maintains a high level of professionalism and is capable of problem-solving and seeing ideas through to conclusion.

While the primary responsibilities of the role lie in spacecraft testing, the role will involve elements of design work and require some bid support and other reasonable responsibilities as required by the business. You will be actively encouraged to maintain a current interest in space industry developments and will be encouraged to identify business/technology promotion opportunities.

Responsibilities will include:

  • Working as part of project teams to support mission/service delivery;
  • Producing test and verification plans for the various stages of development;
  • Planning and performing functional, electrical, mechanical and environmental tests at subsystem and spacecraft level;
  • Collaboration with project managers to provide inputs to schedules; risk management plans; budget management and other project artefacts as required;
  • Supporting spacecraft operations.
  • Supporting the Head of Spacecraft Production in all operational activities involved with running the In-Space laboratory, clean room and build/test areas in accordance with the In-Space quality system;
  • Acceptance of spacecraft hardware (platform and payload);
  • Test system assembly;
  • Subsystem and full spacecraft verification;
  • Managing the availability of test equipment (MGSE/EGSE) between different projects;


We have a close-knit and supportive team, with diversity and inclusion being a key to our success. Although we are looking to rapidly expand our team, we are passionate about maintaining our small company ethos, something which is at the heart of our culture. We welcome varying backgrounds, skills, perspectives and life experiences. Here at In-Space Missions we are embracing Hybrid Working. Wherever possible, we offer flexible working arrangements to allow us to balance our work and personal life more effectively.

What can we offer you?

  • 30 days holiday a year plus bank holidays
  • Flexible Working
  • 10% Non-Contributary Pension
  • Private medical insurance and life insurance (provided by AXA)
  • Death in Service
  • Income Protection Scheme
  • Option to join BAE Share Incentive Plan
  • A fun work environment, full of opportunities for career growth
  • Team meetups, including team-building days and office parties!
  • Access to Rewards Plus- Benefits portal offering discounts to a host of retailers

Recruitment Process

If you’ve been shortlisted for the role, our Recruitment team will reach out to schedule an initial conversation and talk you through our interview process in detail.

Additionally, if you don’t meet all of the criteria please still apply. We really enjoy meeting diverse people who might bring a fresh perspective on a problem we need to solve!

Unfortunately, we do not offer sponsorship. Only those with the permanent and unrestricted right to live and work in the UK will be considered for a position within In-Space Missions. Successful candidates for this role may be required to go through Government SC clearance.


Tagged as: AIT, test engineering, engineering, aerospace

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