Senior Systems Engineer - Defence

Your Role

Capgemini Engineering is looking for a Senior Systems Engineer, with a passion to support cutting edge defence orientated projects and experience of delivering and influencing MBSE processes. You will join our 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-service support. As well as directly supporting the delivery of complex systems engineering projects for our clients, we also offer consultancy services to improve organisation's Systems Engineering & MBSE capabilities and enable digital transformation.

We ensure that we are offering good practice, taking into account both established and emerging technologies and techniques, adopting latest toolsets and frameworks, supplemented by techniques such as mathematical simulation, digital visualisation and our own REVEAL® Requirements Engineering Framework to enhance MBSE and Digital Engineering solutions delivered to our clients.

Capgemini operate a hybrid working model with a combination of office and home-based working, along with occasional travel to client sites.

As a Senior Systems Engineer within Capgemini, you will be working alongside some of the top experts in the country, on some of the largest and most complex client engagements across a variety of projects. You will be given the opportunity to grow and take on responsibility from day one in a challenging but rewarding environment.

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 systems engineering projects.
• Strong knowledge of industry-standard systems engineering processes across the full lifecycle, including requirements management, system design, and verification & validation.
• Demonstrated ability to build strong customer relationships, with proven stakeholder management and experience leading teams to deliver high-value outcomes.
• Hands‑on experience with SysML and the application of MBSE methods, frameworks, and modelling standards 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 to ensure robust traceability and consistency.
• Ability to work effectively in collaborative, multi‑disciplinary environments with strong communication, influencing, and presentation skills.

Make it real - what does it mean for you?

• Exposure to top global companies working with Capgemini (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

Need to know

• All roles will require a level of security clearance; BPSS OR Security Clearance OR Developed Vetting.
• Due to the nature of the project, this role requires sole UK nationality in order to obtain the required level of security clearance.
• Location:

  The preferred location options, in priority order, are as follows:

  • South West (Bristol/Bath)
  • North West (close enough to Barrow to allow regular travel)
  • London (one client option based in central London)
• You can bring your whole self to work. At Capgemini building an inclusive future is part of everyday life and will be part of your working reality. We have built a representative and welcoming environment, for everyone.

Disability Confident Employer

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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