Defence Mission Systems Engineer

Your Role

Capgemini Engineering is looking for a Defence Mission Systems Engineer, with a passion to support cuttingedge defence orientated projects and experience of delivering and influencing MBSE processes. You will joinour rapidly growing team to support our UK and overseas clients across a variety of defence projects.
Our portfolio of projects includes work at all stages of the system lifecycle, from concept definition to in-servicesupport. As well as directly supporting the delivery of complex systems engineering projects for our clients, wealso offer consultancy services to improve organisation’s Systems Engineering & MBSE capabilities and enabledigital transformation.
We ensure that we are offering good practice, taking into account both established and emerging technologiesand techniques, adopting latest toolsets and frameworks, supplemented by techniques such as mathematicalsimulation, digital visualisation and our own REVEAL® Requirements Engineering Framework to enhanceMBSE and Digital Engineering solutions delivered to our clients.
Capgemini operate a hybrid working model with a combination of office and home-based working, along withoccasional travel to client sites.
As a Senior Systems Engineer within Capgemini, you will be working alongside some of the top experts in thecountry, on some of the largest and most complex client engagements across a variety of projects. You will begiven the opportunity to grow and take on responsibility from day one in a challenging but rewarding andenvironment.

What you’ll do

• Support the delivery of complex systems engineering projects using an MBSE‑based approach, ensuring effective integration across wider engineering processes.
• Proactively engage with stakeholders at a range of organisational levels to elicit, analyse, and refine requirements, driving projects toward successful outcomes aligned with client needs.
• Lead and mentor team members, contributing to capability development, knowledge sharing, and fostering a high‑performing team.
• Contribute to successful project delivery and account growth, through strong client relationships, knowledge capitalisation, continuous improvement, and collaboration.
• Provide technical leadership and authoritative guidance on SE/MBSE approaches, best practices, and modelling standards.
• Support the development and delivery of MBSE transformation initiatives across complex organisations, encompassing people, processes, and tools.
• Develop, configure, and maintain MBSE toolsets and project environments, ensuring robust traceability and effective tool integration

Your Profile

• Engineering or science degree, with substantial experience delivering defence‑related systemsengineering projects.
• Experience of the specification, design, development or test of software intensive mission systems.
• Strong knowledge of industry‑standard systems engineering processes across the full lifecycle, includingrequirements management, system design, and verification & validation.
• Demonstrated ability to build strong customer relationships, with proven stakeholder management andexperience leading teams to deliver high‑value outcomes.
• Hands‑on experience with SysML and the application of MBSE methods, frameworks, and modellingstandards in engineering projects.
• Proficiency with leading MBSE toolsets such as Enterprise Architect, Cameo Systems Modeler, Rhapsody,and Capella.
• Working knowledge of established MBSE frameworks (e.g., Magic Grid, Harmony, Arcadia, CESAM,OOSEM, SYSMOD, CORE).
• Experience integrating requirements management tools and processes within an MBSE approach toensure robust traceability and consistency.
• Ability to work effectively in collaborative, multi‑disciplinary environments with strong communication,influencing, and presentation skills

If you're excited about this role but don’t meet every requirement, we stillencourage you to apply, your uniqueexperience could be just what we need.

Make it real – what does it mean for you?

• Exposure to top global companies working withCapgemini (145 of the Fortune 500 companies)
• Open access to digital learning platforms​
• Active employee networks promoting diversity, equity and inclusion like OutFront, CapAbility or Women@Capgemini​

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Capgemini is proud to be a Disability Confident Employer (Level 2)  under the UK Government’s Disability Confident scheme. As part of our commitment to inclusive recruitment, we will offer an interview to all candidates who:​

• Declare they have a disability, and ​
• Meet the minimum essential criteria for the role.​
• Please opt in during the application process.​

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Capgemini. Make it real.​

Need to know

1. All roles will require a level of security clearance; BPSS OR Security Clearance OR Developed Vetting.
2. Due to the nature of the project, this role requires sole UK nationality in order to obtain the required levelof security clearance.
3. Location: London, South West, or South Coast
4. Hybrid Working: 2 - 3 days in the office, depending on client needs
5. You can bring your whole self to work. At Capgemini building an inclusivefuture is part of everyday lifeand will be part of your working reality. We havebuilt a representative and welcoming environment, foreveryone.

About Capgemini