Presales Application & Software 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.

At Atos, we help organisations transform the way they design, build, and operate software. As a Presales Application & Software Architect, you will play a key role in shaping complex application modernisation and product engineering opportunities for enterprise and public sector customers.

This is a strategic, customer-facing architecture role focused on helping organisations transition from traditional project-based delivery models to modern, product-centric, cloud-native operating models. Working closely with customers, engineering teams, delivery leaders, and commercial stakeholders, you will define scalable application architectures, transformation roadmaps, and modern engineering solutions that accelerate innovation, improve delivery performance, and reduce technical debt.

You will act as a trusted advisor, guiding customers through application modernisation, software engineering transformation, cloud adoption, and platform engineering initiatives.

The Opportunity

The Presales Application & Software Architect is a strategic customer-facing role within the Atos UK&I Digital Engineering and Application Services Practice.

You will help customers transition from traditional project-based delivery models to product-centric, cloud-native, and service-oriented operating models. Working closely with customer stakeholders, engineering teams, delivery leaders, and commercial teams, you will shape scalable application architectures, modern software engineering platforms, and transformation roadmaps.

This is an opportunity to work with enterprise and public-sector customers on complex digital transformation initiatives, helping them modernise legacy estates, improve software delivery effectiveness, and unlock the benefits of modern engineering practices.

Key Responsibilities

• Lead the design of enterprise application and software engineering transformation solutions.
• Define target application architectures aligned to business capabilities and customer objectives.
• Design modern software solutions using microservices, APIs, event-driven architectures, and cloud-native principles.
• Assess legacy application landscapes and recommend modernisation approaches including replatforming, refactoring, decomposition, and cloud migration.
• Develop product-centric operating models supporting agile delivery, platform engineering, and value-stream-based organisations.
• Define integration architectures leveraging APIs, event streaming, service meshes, and integration platforms.
• Embed security, resilience, observability, and performance best practices into solution designs.
• Collaborate with cloud, infrastructure, security, data, and DevOps specialists to develop end-to-end transformation propositions.
• Support client workshops, bid responses, technical presentations, and solution governance activities.
• Contribute to the evolution of Atos application modernisation offerings, reference architectures, and engineering accelerators.

Skills We Can't Do Without

• Application Architecture & Modernisation - application transformation, legacy modernisation, and cloud adoption.
• Modern Software Architecture - microservices, APIs, event-driven architecture, and cloud-native design.
• Product-Centric Engineering - Agile delivery, product operating models, and platform engineering.
• Cloud & Container Technologies - Azure, AWS, or GCP, plus Kubernetes, OpenShift, Docker, or serverless platforms.
• Presales & Stakeholder Engagement - solution shaping, customer workshops, bid support, and stakeholder management.

Nice to Have

• TOGAF or equivalent architecture certification.
• Azure, AWS, or GCP certifications.
• Experience in Government, Defence, Financial Services, or other regulated sectors.
• Platform engineering and developer experience tooling.
• Large-scale digital transformation programme experience.

Your Benefits, Your Way

• 25 days annual leave (with option to purchase additional days)
• Private Healthcare
• Life Assurance
• Income Protection
• Pension contribution matched up to 10%
• Flexible benefits - tailor your package with options for wellbeing, family support and more

Recruiter Contact:

Please write directly to Ofelia GeorgievaonOfelia Georgieva | LinkedIn|[email protected]

Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all.

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