Senior IT/OT Solution Architect

Your role

We're looking for an experienced IT/OT Solution Architect to lead the design and delivery of complex technology solutions across operational technology, enterprise IT, industrial data, edge and cloud environments. Acting as the lead technical authority, you'll shape solution strategy from discovery through to implementation, ensuring architectures are secure, resilient, scalable and fit for live industrial operations.
Key Responsibilities:
• Lead end-to-end IT/OT solution architecture across OT, networking, integration, data, enterprise and cloud domains, ensuring a cohesive approach from concept to deployment.
• Translate complex business and operational requirements into clear technical solutions, leading architecture workshops and engaging with senior stakeholders to drive decision-making.
• Define and govern industrial integration and data architectures, including OPC UA, MQTT, APIs, industrial edge technologies, event-driven architectures and cloud-connected solutions.
• Provide architecture assurance and technical leadership throughout delivery, setting standards for security, resilience and performance while mentoring architects and engineers and supporting future solution development.

Your profile

We're seeking a technically credible IT/OT architect with a strong background in industrial environments and a proven ability to design, govern and deliver complex solutions spanning operational technology and enterprise systems. You'll combine deep technical expertise with excellent stakeholder management and leadership capabilities.

• Strong experience within industrial and OT environments, with a practical understanding of PLCs, RTUs, SCADA, historians, industrial communications and OT networking in live production or critical infrastructure settings.
• Proven track record of delivering end-to-end IT/OT solution architectures across OT, edge, enterprise, data and cloud environments, including OPC UA, MQTT, APIs, industrial edge and event-driven integration patterns.
• Experience designing secure, resilient and scalable cloud-based solutions using Microsoft Azure, AWS or equivalent platforms, with knowledge of high availability, recovery, identity, access management and secure-by-design principles.
• Excellent consulting and technical leadership skills, with the ability to engage senior stakeholders, lead multidisciplinary teams, mentor architects and engineers, and guide solutions from early discovery through successful implementation.

Make it real - what does it mean for you?

• Open access to digital learning platforms
• Active employee networks promoting diversity, equity and inclusion like OutFront, CapAbility or Women@Capgemini

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.

Capgemini. Make it real.

Need to know

• All roles will require a level of security clearance; BPSS OR Security Clearance OR Developed Vetting.
• 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.

About Capgemini

Capgemini is an AI-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organisations and make it real with AI, technology and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of over 420,000 team members in more than 50 countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. The Group reported 2025 global revenues of €22.5 billion.
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