Space Systems Engineer
Confirmed on the employer's own hiring board on Oct 27, 2026. First seen by Alion on Aug 12, 2026. BAE Systems scores B on the Alion truth index.
Location(s): UK, Europe & Africa : UK : Alton || UK, Europe & Africa : UK : Christchurch || UK, Europe & Africa : UK : Frimley || UK, Europe & Africa : UK : Guildford || UK, Europe & Africa : UK : Leeds || UK, Europe & Africa : UK : London || UK, Europe & Africa : UK : Warton
BAE Systems Digital Intelligence is home to 4,500 digital, cyber and intelligence experts. We work collaboratively across 10 countries to collect, connect and understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments.
Job Title: Space Systems Engineer
Location: Alton, Guildford, London, Leeds, Warton, Christchurch (Hybrid working) with regular travel to Christchurch, Dorset.
Grade: GG10-GG11
Who we are
Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow - shaping a safer future, for all of us.
From the depths of the ocean, to the far reaches of space - there’s no limit to where a career at BAE Systems could take you.
Role Description
We are seeking a motivated and technically strong Systems Engineer with a focus on supporting projects involving multi-domain integration and future concept development.
In this role, you will support system of systems engineering for the development of multi-domain architecture concepts that integrate space systems with air, maritime, subsea and land assets.
You will identify future operational challenges and opportunities for cross domain capability enhancement and support the identification key technology enablers.
You’ll work closely with multidisciplinary teams and play a key role in ensuring technical coherence, system performance, and successful delivery of mission objectives.
Core duties include
- Support or lead study and demonstration activities for multi-domain integration and future concept development;
- Work with stakeholders to define functional, performance, and interoperability requirements.
- Perform mission needs analysis, trade studies, and system architecture development;
- Define, manage, and validate system-level requirements and interfaces;
- Perform technology horizon scanning to determine feasibility and strategic impact (5-20 year outlook).
- Use or help define modelling approaches for mission effectiveness and architecture trades:
- Conduct functional analyses, budgets (mass, power, data, thermal), and performance modelling;
- Mission concept development in support of studies, R&D activities and bids;
- Support engagement with external industry for equipment and technology development;
- Produce inputs for internal and customer reviews and present progress to internal stakeholder and external customers.
Essential Requirements
- 5+ years experience in systems engineering within the space sector;
- Experience in the delivery of space technology and/or space mission concept studies or R&D projects;
- Confidence in translating ambiguous, early-stage concepts into well-formed capability requirements;
- Hands-on experience with satellite programmes preferably across the full project lifecycle;
- Good knowledge of the space industry and existing space missions;
- (Desirable) Defence or military operational experience utilising space assets and/or data to provide operational context to multi-domain activities.
- (Desirable) Understanding of C5ISR principles and experience with military communication standards and systems;
- Working knowledge of typical spacecraft subsystems (AOCS, Comms, EPS, Payloads, OBC/Software, OBDH);
- Experience in defining, managing, and verifying system-level requirements;
- Comfortable working in an Agile environment and ability to plan Sprint activities for yourself and team members;
- Experience with industry standards and frameworks (e.g. ECSS, NASA, NAF);
Why BAE Systems
Here you’ll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work - this is a place where you can grow your career with confidence and be empowered to be your best. You’ll be recognised for your contribution and enjoy rewards tailored to what’s most important to you and your family - support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make.
A place where everyone can thrive.
We’re committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do.
We welcome applications from all candidates and give full, fair and open consideration to everyone. If you require any reasonable adjustments during the recruitment process, please
contact our recruitment team to discuss any further support you may need. Connect with us at baesystems.com/connect
Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks.
Life at BAE Systems Digital Intelligence
We are embracing Hybrid Working. This means you and your colleagues may be working in different locations, such as from home, another BAE Systems office or client site, some or all of the time, and work might be going on at different times of the day.
By embracing technology, we can interact, collaborate and create together, even when we’re working remotely from one another. Hybrid Working allows for increased flexibility in when and where we work, helping us to balance our work and personal life more effectively, and enhance well-being.
Diversity and inclusion are integral to the success of BAE Systems Digital Intelligence. We are proud to have an organisational culture where employees with varying perspectives, skills, life experiences and backgrounds - the best and brightest minds - can work together to achieve excellence and realise individual and organisational potential.