Systems Engineer

Company Details

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As a Systems Engineer, you will be happy to work on a range of activities from technical studies to small spacecraft systems and subsystems. You will be comfortable working as part of a team to deliver projects to a variety of customers including institutional, academic and commercial organisations. You will enjoy working as part of a team, be willing to flex priorities to support others where necessary and be comfortable with a fast-paced environment. You will take pride in your work, and be able to present a professional face to clients, suppliers and partners.

The role requires some knowledge and experience of designing, developing, building or operating small spacecraft, a willingness to learn and the ability to work with others to identify and resolve technical issues. The right attitude is equally as important as background and experience.

While the primary responsibilities of the role lie in project delivery, the role may 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 are expected to pro-actively identify business/technology promotion opportunities.

Responsibilities will include:

  • Co-ordinating and managing technical inputs to spacecraft design and development from internal and external parties including (but not limited to):
    • Payload providers;
    • Sub-contractors and suppliers (including launch providers);
    • Users;
    • Customers;
    • Regulatory authorities.
  • Definition and/or management of requirements from Mission and System Level and derivation of technical requirements to subsystem and equipment level (with support from senior team members and specialists);
  • Management and tracking of requirements through project delivery;
  • Derivation and management of system technical budgets and margins, with support from senior team members as required, including (but not limited to):
    • Mass budget;
    • Power budget;
    • RF link budget;
    • Thermal budget;
    • Delta-V budget.
  • Management of spacecraft interfaces;
  • Supporting the definition of spacecraft test and flight harnesses and MGSE/EGSE.
  • Management and execution of Validation and Verification activities at a subsystem and system level (including lab testing).
  • Collaboration with project managers to provide inputs to schedules; risk management plans; budget management and other project artefacts as required;
  • Technical pre-sales support to prospecting and bid activities;
  • Provision of technical inputs into technical consultancy activities such as customer supports, studies and R&D projects;
  • Supporting spacecraft operations.

You will report into a senior member of the Space Systems Team and your work will be prioritized in discussion with them.


  • Educated to at least degree -level or equivalent in a relevant scientific or engineering discipline;
  • Proven ability to work well as a member of a team.

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;
  • Confident working in project delivery and bid teams.


  • Self-starter;
  • Autonomous worker;
  • Positive and helpful attitude;
  • Willingness to learn;
  • Attention to detail;
  • Organised;
  • Calm and professional approach to work.


In-Space Missions Ltd is an innovative and exciting space company operating out of dedicated satellite manufacturing facilities in Alton, Hampshire, UK. Formed in 2015, In-Space has grown to become the leading UK owned space prime, offering the first payload rideshare service in Europe as well as dedicated spacecraft-design/build/operate capability to customers across large and small industry alike, government, space agencies and academia.

In-Space successfully launched Faraday Phoenix in July 2021, its first payload rideshare satellite on-orbit and has multiple more satellites in build due to launch during 2022 and 2023. In-Space has a fun and dedicated team who value hard work, a positive attitude and solution-focused thinking. We welcome applicants who will embrace their role and take responsibility for their work. Working in a small company needs flexibility which works both ways, ensuring that everyone has a good work-life balance.

In September 2021, In-Space was delighted to announce its acquisition by BAE Systems and the company continues to work as a separate legal entity and business unit with close links into its new parent.

In-Space has a close-knit and supportive team, with diversity and inclusion being a key to our success. This year we are looking to rapidly expand our team in order to deliver our growing order book whilst maintaining our small company ethos and agility, something which is at the heart of our culture. We welcome varying backgrounds, skills, perspectives and life experiences.

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