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Matt Wallaert
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Lead Enterprise Architect

Capgemini

Capgemini

IT
United Kingdom
Posted on Nov 5, 2025

About the role you’re considering

We’re seeking an experienced Managed Services Lead Architect who wants to apply their skills and experience within an exciting and vibrant Account. The client is experiencing a period of significant change, and digital transformation is at the forefront of their business strategy. As an Account Lead Architect, you will flourish, having responsibility for the end-to-end architecture of the contracted services as well as being the focal point for ensuring its technical integrity. Being part of an enthusiastic Business Technologist community will enable you to maintain awareness of the latest technologies and innovations within the Capgemini Portfolio and apply these to your technology landscape. You will also provide inspiration and act as a role model for a talented and enthusiastic team of Domain Architects and Engineers on the account.

Hybrid working: The places that you work from day to day will vary according to your role, your needs, and those of the business; it will be a blend of Company offices, client sites, and your home; noting that you will be unable to work at home 100% of the time.

If you are offered this position, you will go through a series of pre-employment checks, including identity, nationality (single or dual) or immigration status, employment history dating back 3 continuous years, and unspent criminal record check (known as Disclosure and Barring Service)

Your Role

As an integral part of the Capgemini Architecture community, you’ll have fantastic opportunities to develop both yourself, and our collective capabilities. As part of the Account team, you’ll be empowered to provide:

  • Governance of change within, and take ownership of, the end-to-end Account Architecture within Managed Services contracts, ensuring delivery quality and adherence to standards.
  • Key stakeholder management for internal, as well as external parties.
  • Strategic mapping of the technology landscape strategy including roadmaps, and future state architectures, fully aligned with contractual commitments and client needs.
  • Trusted advice to the Client by cultivating strong symbiotic Client relationships.
  • Direction and guidance on technical aspects, ensuring adherence to standards and practices while aligning with client requirements.

You can bring your whole self to work. At Capgemini, striving for equity, diversity and inclusion is part of everyday life, and will be part of your working reality. We have built an inclusive and welcoming environment, for everyone.

Your Skills and Experience

A proven track record of governing and owning the end-to-end architecture of a complex technology landscape. Can demonstrate experience of operating as a Lead Architect within the constraints and complexities of large Managed Services accounts. Able to demonstrate a knowledge of contracts and commercials as well as proven stakeholder management and client relationship skills.

Your Security Clearance

To be successfully appointed to this role, it is a requirement to obtain Security Check (SC) clearance.
To obtain SC clearance, the successful applicant must have resided continuously within the United Kingdom for the last 5 years, along with other criteria and requirements.

Throughout the recruitment process, you will be asked questions about your security clearance eligibility such as, but not limited to, country of residence and nationality. Some posts are restricted to sole UK Nationals for security reasons; therefore, you may be asked about your citizenship in the application process.

What does ‘Get The Future You Want' mean for you?

Your wellbeing
You’d be joining an accredited Great Place to work for Wellbeing in 2023. Employee wellbeing is vitally important to us as an organisation. We see a healthy and happy workforce a critical component for us to achieve our organisational ambitions. To help support wellbeing we have trained ‘Mental Health Champions’ across each of our business areas, and we have invested in wellbeing apps such as Thrive and Peppy.

Shape your path
You will be empowered to explore, innovate, and progress. You will benefit from Capgemini’s ‘learning for life’ mindset, meaning you will have countless training and development opportunities from thinktanks to hackathons, and access to 250,000 courses with numerous external certifications from AWS, Microsoft, Harvard ManageMentor, Cybersecurity qualifications and much more.

Why you should consider Capgemini

Growing clients’ businesses while building a more sustainable, more inclusive future is a tough ask. When you join Capgemini, you’ll join a thriving company and become part of a diverse collective of free-thinkers, entrepreneurs and industry experts. We find new ways technology can help us reimagine what’s possible. It’s why, together, we seek out opportunities that will transform the world’s leading businesses, and it’s how you’ll gain the experiences and connections you need to shape your future. By learning from each other every day, sharing knowledge, and always pushing yourself to do better, you’ll build the skills you want. You’ll use your skills to help our clients leverage technology to innovate and grow their business. So, it might not always be easy, but making the world a better place rarely is.

About Capgemini

Capgemini is a global business and technology transformation partner, helping organisations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fuelled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem. The Group reported 2024 global revenues of €22.1 billion.