Senior Infrastructure Architect

About the Position

We are seeking an experienced Senior Infrastructure Architect to define, govern, and evolve enterprise infrastructure architecture across cloud platforms, hosting services, networking, security, workplace technologies, operational tooling, and platform services.

Operating within a complex and highly regulated Financial Services environment, you will provide technical leadership across strategic transformation programmes, major technology investments, and operational service improvements. You will work closely with executive stakeholders, business leaders, operational teams, suppliers, and customers to ensure infrastructure capabilities support business objectives while delivering resilience, security, scalability, and value for money.

This role is ideal for an experienced infrastructure architecture leader who can combine strategic thinking with pragmatic delivery across both modern cloud platforms and complex legacy estate environments.

Responsibilities

• Define and maintain enterprise infrastructure architecture strategies, roadmaps, and target-state designs aligned with business objectives.
• Lead the design and governance of secure, resilient, highly available infrastructure solutions across cloud, hybrid, and on-premise environments.
• Drive cloud adoption, infrastructure modernisation, platform engineering, automation, and Infrastructure-as-Code best practices.
• Provide architecture leadership for major transformation, migration, and operational resilience programmes.
• Build trusted relationships with senior stakeholders, customers, suppliers, and operational teams while promoting architecture governance and technical excellence.

Requirements

• Significant experience in Infrastructure Architecture, Platform Architecture, Cloud Architecture, or related senior technical leadership roles.
• Proven experience working within large, complex enterprise environments that include cloud platforms, legacy technologies, outsourced services, and multiple suppliers.
• Strong background in Financial Services, Banking, Insurance, Wealth Management, or other highly regulated industries.
• Deep technical expertise in Microsoft Azure, AWS, hybrid cloud environments, infrastructure security, enterprise networking, IAM, and platform services.

Nice to Have

• TOGAF certification and experience applying enterprise architecture frameworks.
• Professional certifications in cloud architecture, cyber security, networking, or IT service management such as Azure Solutions Architect Expert, AWS Solutions Architect Professional, CISSP, or ITIL.

Additional Requirements

• Candidates must be eligible to obtain and maintain SC clearance.
• Location: UK-based. Remote working is available, with national mobility required.

We Offer

• 25 days paid leave plus National Holidays
• Pension Scheme with contributions matched up to 10%
• Private Medical Cover
• Income Protection
• Life Assurance
• Flexible Benefits Programme

About the Company

Atos is the Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. Atos designs, develops, and operates critical digital environments that drive performance, resilience and sovereignty, helping public and private organizations worldwide retain control over their data and infrastructures, while meeting regulatory requirements.

With more than 52,000 employees serving over 4,500 clients across 54 countries, Atos helps modernize core IT systems, accelerate cloud and data transformation, strengthen cybersecurity, and deliver secure digital workplace environments to support its clients, its employees and society. Atos also provides consulting and advisory services through its Atos Amplify brand.

Atos is a recognized leader in its industry across Environment, Social and Governance (ESG) criteria. Find out more on our CSR commitment.

Choose your future. Choose Atos.