
Defence
Systems Engineer MBSE
Job Description
Salary: £45,000 - 65,000 per year
Requirements:- Analytical systems thinker with the ability to develop and communicate new concepts and architectures, with an understanding of the requirements and needs that drive the design
- Ability to present to and engage with senior internal and external stakeholders
- Ability to influence and drive a narrative
- Willingness to learn and deliver as part of an agile team
- Strong attention to detail, organisational skills, and communication skills
- Ability to work on-site 4 days per week due to workload classification
- Must be a British citizen or a dual UK national with British citizenship
- Willingness to undergo HMG Basic Personnel Security Standard (BPSS) checks after offer stage
- Deliver key system-of-systems concepting activities
- Elicit and decompose requirements
- Carry out architectural processes across the project
- Use model-based engineering tools
- Work with design teams to define and communicate the overall system concept, trade-offs, fundamental design principles, and constraints that balance fulfilment of the need
- Support cross-functional assessment and analysis activities
- Support
- Security
More:
We are seeking innovative and passionate system thinkers to join our dynamic team on an ambitious and pioneering programme. We are working on a ground-breaking Defence initiative to design and deliver next-generation combat air systems for the Royal Air Force through the Global Combat Air Programme, a partnership between the UK, Italy, and Japan. This role offers the chance to contribute to advanced Weapon Effects Management capabilities that reduce cognitive burden and improve coordination of complex weaponry in the battlespace. We offer a salary of up to £47,000 depending on experience, a company bonus of up to £2,500, a pension contribution of up to 14%, paid overtime, up to 15 additional days of flexi leave, flexible working arrangements, enhanced parental leave, fantastic site facilities including subsidised meals and free car parking, and a Healthcare Cash Plan.
last updated 37 week of 2026
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About Defence

Defence
Stevenage
IT
Skills & Technologies
Inferred from job description
Salary Insight
£55,000
This role
£60,000
UK median
This salary is 8% below the UK median for Software Engineers (£60,000/yr).
Based on 2024–2025 UK technology sector benchmarks