Senior Infrastructure Architect

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. A trusted partner in operating complex and mission-critical environments, Atos supports organizations across highly regulated and sovereign contexts. About Atos Group Atos Group is a global leader in digital transformation with c. 54,000 employees and annual revenue of c. €7.2 billion, operating in 54 countries under two brands - Atos for services and Eviden for products and systems. European number one in cybersecurity and a leader in cloud, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is listed on Euronext Paris. Where Purpose Meets Career Lead the architecture of business-critical infrastructure platforms supporting digital transformation in the Financial Services sector. Shape cloud, hosting, security, and operational technology strategies that influence long-term business success. Join a global technology leader where you can work on large-scale transformation programmes while developing your architecture career within a collaborative and innovative environment. About the Role 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. Key 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. Skills We Can't Do Without 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. Strong experience of architecture governance, risk management, operational resilience, disaster recovery, and service continuity planning. Skills We'd Like 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. Benefits 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 We are a care leaver friendly employer. If you require additional support with your application, please contact our recruiter or send an email to our dedicated support mailbox. As a Disability Confident employer, we welcome applications from all candidates, particularly differently abled applicants. We are committed to making reasonable adjustments throughout our recruitment and assessment process and aim to ensure that applicants who meet the minimum criteria are offered the opportunity to interview. If you would like to discuss this opportunity further, please contact us via our dedicated mailbox: UK-Recruitment-Support@atos.net or directly with the responsible recruiter, Elvira Dupcheva, at elvira.dupcheva@atos.ai Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all. 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.